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[Vendor] Update go-redis to v8.5.0 (#13749)

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* Update go-redis to v8.4.0

* github.com/go-redis/redis/v8  v8.4.0 -> v8.5.0

* Apply suggestions from code review

Co-authored-by: zeripath <art27@cantab.net>

* TODO

* Use the Queue termination channel as the default context for pushes

Signed-off-by: Andrew Thornton <art27@cantab.net>

* missed one

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
This commit is contained in:
6543 2021-02-10 22:28:32 +01:00 committed by GitHub
parent 4cffc46f65
commit ac97ea573c
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GPG Key ID: 4AEE18F83AFDEB23
139 changed files with 16117 additions and 4965 deletions
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2
go.mod
View File

@ -35,7 +35,7 @@ require (
github.com/go-git/go-billy/v5 v5.0.0
github.com/go-git/go-git/v5 v5.2.0
github.com/go-ldap/ldap/v3 v3.2.4
github.com/go-redis/redis/v7 v7.4.0
github.com/go-redis/redis/v8 v8.5.0
github.com/go-sql-driver/mysql v1.5.0
github.com/go-swagger/go-swagger v0.26.0
github.com/go-testfixtures/testfixtures/v3 v3.4.1

46
go.sum
View File

@ -241,6 +241,7 @@ github.com/denisenkom/go-mssqldb v0.9.0 h1:RSohk2RsiZqLZ0zCjtfn3S4Gp4exhpBWHyQ7D
github.com/denisenkom/go-mssqldb v0.9.0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/dlclark/regexp2 v1.1.6/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
@ -281,7 +282,6 @@ github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4
github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8SPQ=
github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
@ -291,13 +291,11 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gliderlabs/ssh v0.2.2 h1:6zsha5zo/TWhRhwqCD3+EarCAgZ2yN28ipRnGPnwkI0=
github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
github.com/gliderlabs/ssh v0.3.1 h1:L6VrMUGZaMlNIMN8Hj+CHh4U9yodJE3FAt/rgvfaKvE=
github.com/gliderlabs/ssh v0.3.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2 h1:Ujru1hufTHVb++eG6OuNDKMxZnGIvF6o/u8q/8h2+I4=
github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a h1:FQqoVvjbiUioBBFUL5up+h+GdCa/AnJsL/1bIs/veSI=
github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
@ -338,7 +336,6 @@ github.com/go-openapi/analysis v0.18.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpR
github.com/go-openapi/analysis v0.19.2/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk=
github.com/go-openapi/analysis v0.19.4/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk=
github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2rCu0v0ObL0AU=
github.com/go-openapi/analysis v0.19.10 h1:5BHISBAXOc/aJK25irLZnx2D3s6WyYaY9D4gmuz9fdE=
github.com/go-openapi/analysis v0.19.10/go.mod h1:qmhS3VNFxBlquFJ0RGoDtylO9y4pgTAUNE9AEEMdlJQ=
github.com/go-openapi/analysis v0.19.16 h1:Ub9e++M8sDwtHD+S587TYi+6ANBG1NRYGZDihqk0SaY=
github.com/go-openapi/analysis v0.19.16/go.mod h1:GLInF007N83Ad3m8a/CbQ5TPzdnGT7workfHwuVjNVk=
@ -346,7 +343,6 @@ github.com/go-openapi/errors v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQH
github.com/go-openapi/errors v0.18.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0=
github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94=
github.com/go-openapi/errors v0.19.3/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94=
github.com/go-openapi/errors v0.19.6 h1:xZMThgv5SQ7SMbWtKFkCf9bBdvR2iEyw9k3zGZONuys=
github.com/go-openapi/errors v0.19.6/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
github.com/go-openapi/errors v0.19.7/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
github.com/go-openapi/errors v0.19.8/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
@ -357,7 +353,6 @@ github.com/go-openapi/inflect v0.19.0/go.mod h1:lHpZVlpIQqLyKwJ4N+YSc9hchQy/i12f
github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
github.com/go-openapi/jsonpointer v0.18.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w=
github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
@ -372,7 +367,6 @@ github.com/go-openapi/loads v0.18.0/go.mod h1:72tmFy5wsWx89uEVddd0RjRWPZm92WRLhf
github.com/go-openapi/loads v0.19.0/go.mod h1:72tmFy5wsWx89uEVddd0RjRWPZm92WRLhf7AC+0+OOU=
github.com/go-openapi/loads v0.19.2/go.mod h1:QAskZPMX5V0C2gvfkGZzJlINuP7Hx/4+ix5jWFxsNPs=
github.com/go-openapi/loads v0.19.3/go.mod h1:YVfqhUCdahYwR3f3iiwQLhicVRvLlU/WO5WPaZvcvSI=
github.com/go-openapi/loads v0.19.5 h1:jZVYWawIQiA1NBnHla28ktg6hrcfTHsCE+3QLVRBIls=
github.com/go-openapi/loads v0.19.5/go.mod h1:dswLCAdonkRufe/gSUC3gN8nTSaB9uaS2es0x5/IbjY=
github.com/go-openapi/loads v0.19.6/go.mod h1:brCsvE6j8mnbmGBh103PT/QLHfbyDxA4hsKvYBNEGVc=
github.com/go-openapi/loads v0.19.7/go.mod h1:brCsvE6j8mnbmGBh103PT/QLHfbyDxA4hsKvYBNEGVc=
@ -391,7 +385,6 @@ github.com/go-openapi/spec v0.18.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsd
github.com/go-openapi/spec v0.19.2/go.mod h1:sCxk3jxKgioEJikev4fgkNmwS+3kuYdJtcsZsD5zxMY=
github.com/go-openapi/spec v0.19.3/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
github.com/go-openapi/spec v0.19.6/go.mod h1:Hm2Jr4jv8G1ciIAo+frC/Ft+rR2kQDh8JHKHb3gWUSk=
github.com/go-openapi/spec v0.19.8 h1:qAdZLh1r6QF/hI/gTq+TJTvsQUodZsM7KLqkAJdiJNg=
github.com/go-openapi/spec v0.19.8/go.mod h1:Hm2Jr4jv8G1ciIAo+frC/Ft+rR2kQDh8JHKHb3gWUSk=
github.com/go-openapi/spec v0.19.15/go.mod h1:+81FIL1JwC5P3/Iuuozq3pPE9dXdIEGxFutcFKaVbmU=
github.com/go-openapi/spec v0.20.0/go.mod h1:+81FIL1JwC5P3/Iuuozq3pPE9dXdIEGxFutcFKaVbmU=
@ -403,7 +396,6 @@ github.com/go-openapi/strfmt v0.19.0/go.mod h1:+uW+93UVvGGq2qGaZxdDeJqSAqBqBdl+Z
github.com/go-openapi/strfmt v0.19.2/go.mod h1:0yX7dbo8mKIvc3XSKp7MNfxw4JytCfCD6+bY1AVL9LU=
github.com/go-openapi/strfmt v0.19.3/go.mod h1:0yX7dbo8mKIvc3XSKp7MNfxw4JytCfCD6+bY1AVL9LU=
github.com/go-openapi/strfmt v0.19.4/go.mod h1:eftuHTlB/dI8Uq8JJOyRlieZf+WkkxUuk0dgdHXr2Qk=
github.com/go-openapi/strfmt v0.19.5 h1:0utjKrw+BAh8s57XE9Xz8DUBsVvPmRUB6styvl9wWIM=
github.com/go-openapi/strfmt v0.19.5/go.mod h1:eftuHTlB/dI8Uq8JJOyRlieZf+WkkxUuk0dgdHXr2Qk=
github.com/go-openapi/strfmt v0.19.11/go.mod h1:UukAYgTaQfqJuAFlNxxMWNvMYiwiXtLsF2VwmoFtbtc=
github.com/go-openapi/strfmt v0.20.0 h1:l2omNtmNbMc39IGptl9BuXBEKcZfS8zjrTsPKTiJiDM=
@ -413,7 +405,6 @@ github.com/go-openapi/swag v0.18.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/
github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.7/go.mod h1:ao+8BpOPyKdpQz3AOJfbeEVpLmWAvlT1IfTe5McPyhY=
github.com/go-openapi/swag v0.19.9 h1:1IxuqvBUU3S2Bi4YC7tlP9SJF1gVpCvqN0T2Qof4azE=
github.com/go-openapi/swag v0.19.9/go.mod h1:ao+8BpOPyKdpQz3AOJfbeEVpLmWAvlT1IfTe5McPyhY=
github.com/go-openapi/swag v0.19.12/go.mod h1:eFdyEBkTdoAf/9RXBvj4cr1nH7GD8Kzo5HTt47gr72M=
github.com/go-openapi/swag v0.19.13 h1:233UVgMy1DlmCYYfOiFpta6e2urloh+sEs5id6lyzog=
@ -421,7 +412,6 @@ github.com/go-openapi/swag v0.19.13/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/
github.com/go-openapi/validate v0.18.0/go.mod h1:Uh4HdOzKt19xGIGm1qHf/ofbX1YQ4Y+MYsct2VUrAJ4=
github.com/go-openapi/validate v0.19.2/go.mod h1:1tRCw7m3jtI8eNWEEliiAqUIcBztB2KDnRCRMUi7GTA=
github.com/go-openapi/validate v0.19.3/go.mod h1:90Vh6jjkTn+OT1Eefm0ZixWNFjhtOH7vS9k0lo6zwJo=
github.com/go-openapi/validate v0.19.10 h1:tG3SZ5DC5KF4cyt7nqLVcQXGj5A7mpaYkAcNPlDK+Yk=
github.com/go-openapi/validate v0.19.10/go.mod h1:RKEZTUWDkxKQxN2jDT7ZnZi2bhZlbNMAuKvKB+IaGx8=
github.com/go-openapi/validate v0.19.12/go.mod h1:Rzou8hA/CBw8donlS6WNEUQupNvUZ0waH08tGe6kAQ4=
github.com/go-openapi/validate v0.19.15/go.mod h1:tbn/fdOwYHgrhPBzidZfJC2MIVvs9GA7monOmWBbeCI=
@ -429,9 +419,10 @@ github.com/go-openapi/validate v0.20.1 h1:QGQ5CvK74E28t3DkegGweKR+auemUi5IdpMc4x
github.com/go-openapi/validate v0.20.1/go.mod h1:b60iJT+xNNLfaQJUqLI7946tYiFEOuE9E4k54HpKcJ0=
github.com/go-redis/redis v6.15.2+incompatible h1:9SpNVG76gr6InJGxoZ6IuuxaCOQwDAhzyXg+Bs+0Sb4=
github.com/go-redis/redis v6.15.2+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
github.com/go-redis/redis/v7 v7.4.0 h1:7obg6wUoj05T0EpY0o8B59S9w5yeMWql7sw2kwNW1x4=
github.com/go-redis/redis/v7 v7.4.0/go.mod h1:JDNMw23GTyLNC4GZu9njt15ctBQVn7xjRfnwdHj/Dcg=
github.com/go-redis/redis/v8 v8.4.0 h1:J5NCReIgh3QgUJu398hUncxDExN4gMOHI11NVbVicGQ=
github.com/go-redis/redis/v8 v8.4.0/go.mod h1:A1tbYoHSa1fXwN+//ljcCYYJeLmVrwL9hbQN45Jdy0M=
github.com/go-redis/redis/v8 v8.5.0 h1:L3r1Q3I5WOUdXZGCP6g44EruKh0u3n6co5Hl5xWkdGA=
github.com/go-redis/redis/v8 v8.5.0/go.mod h1:YmEcgBDttjnkbMzDAhDtQxY9yVA7jMN6PCR5HeMvqFE=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
@ -476,8 +467,6 @@ github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRx
github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
github.com/gogs/chardet v0.0.0-20191104214054-4b6791f73a28 h1:gBeyun7mySAKWg7Fb0GOcv0upX9bdaZScs8QcRo8mEY=
github.com/gogs/chardet v0.0.0-20191104214054-4b6791f73a28/go.mod h1:Pcatq5tYkCW2Q6yrR2VRHlbHpZ/R4/7qyL1TCF7vl14=
@ -678,7 +667,6 @@ github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJS
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
@ -757,7 +745,6 @@ github.com/lunny/log v0.0.0-20160921050905-7887c61bf0de/go.mod h1:3q8WtuPQsoRbat
github.com/lunny/nodb v0.0.0-20160621015157-fc1ef06ad4af/go.mod h1:Cqz6pqow14VObJ7peltM+2n3PWOz7yTrfUuGbVFkzN0=
github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/magiconair/properties v1.8.4 h1:8KGKTcQQGm0Kv7vEbKFErAoAOFyyacLStRtQSeYtvkY=
github.com/magiconair/properties v1.8.4/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
@ -812,7 +799,6 @@ github.com/mholt/archiver/v3 v3.5.0/go.mod h1:qqTTPUK/HZPFgFQ/TJ3BzvTpF/dPtFVJXd
github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
github.com/miekg/dns v1.1.30 h1:Qww6FseFn8PRfw07jueqIXqodm0JKiiKuK0DeXSqfyo=
github.com/miekg/dns v1.1.30/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
github.com/minio/md5-simd v1.1.0 h1:QPfiOqlZH+Cj9teu0t9b1nTBfPbyTl16Of5MeuShdK4=
github.com/minio/md5-simd v1.1.0/go.mod h1:XpBqgZULrMYD3R+M28PcmP0CkI7PEMzB3U77ZrKZ0Gw=
github.com/minio/md5-simd v1.1.1 h1:9ojcLbuZ4gXbB2sX53MKn8JUZ0sB/2wfwsEcRw+I08U=
github.com/minio/md5-simd v1.1.1/go.mod h1:XpBqgZULrMYD3R+M28PcmP0CkI7PEMzB3U77ZrKZ0Gw=
@ -830,7 +816,6 @@ github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS4
github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
github.com/mitchellh/mapstructure v1.3.2 h1:mRS76wmkOn3KkKAyXDu42V+6ebnXWIztFSYGN7GeoRg=
github.com/mitchellh/mapstructure v1.3.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
github.com/mitchellh/mapstructure v1.3.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
github.com/mitchellh/mapstructure v1.4.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
@ -883,17 +868,19 @@ github.com/olivere/elastic/v7 v7.0.22/go.mod h1:VDexNy9NjmtAkrjNoI7tImv7FR4tf5zU
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.8.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
github.com/onsi/ginkgo v1.14.2 h1:8mVmC9kjFFmA8H4pKMUhcblgifdkOIXPvbhN1T36q1M=
github.com/onsi/ginkgo v1.14.2/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY=
github.com/onsi/ginkgo v1.15.0 h1:1V1NfVQR87RtWAgp1lv9JZJ5Jap+XFGKPi00andXGi4=
github.com/onsi/ginkgo v1.15.0/go.mod h1:hF8qUzuuC8DJGygJH3726JnCZX4MYbRB8yFfISqnKUg=
github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/onsi/gomega v1.10.3 h1:gph6h/qe9GSUw1NhH1gp+qb+h8rXD8Cy60Z32Qw3ELA=
github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc=
github.com/onsi/gomega v1.10.5 h1:7n6FEkpFmfCoo2t+YYqXH0evK+a9ICQz0xcAy9dYcaQ=
github.com/onsi/gomega v1.10.5/go.mod h1:gza4q3jKQJijlu05nKWRCW/GavJumGt8aNRxWg7mt48=
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492/go.mod h1:Ngi6UdF0k5OKD5t5wlmGhe/EDKPoUM3BXZSSfIuJbis=
github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74=
@ -970,7 +957,6 @@ github.com/quasoft/websspi v1.0.0 h1:5nDgdM5xSur9s+B5w2xQ5kxf5nUGqgFgU4W0aDLZ8Mw
github.com/quasoft/websspi v1.0.0/go.mod h1:HmVdl939dQ0WIXZhyik+ARdI03M6bQzaSEKcgpFmewk=
github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
@ -1003,7 +989,6 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeV
github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546 h1:pXY9qYc/MP5zdvqWEUH6SjNiu7VhSjuVFTFiTcphaLU=
github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726/go.mod h1:3yhqj7WBBfRhbBlzyOC3gUxftwsU0u8gqevxwIHQpMw=
github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d h1:qQWKKOvHN7Q9c6GdmUteCef2F9ubxMpxY1IKwpIKz68=
github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d/go.mod h1:vq0tzqLRu6TS7Id0wMo2N5QzJoKedVeovOpHjnykSzY=
github.com/siddontang/ledisdb v0.0.0-20190202134119-8ceb77e66a92/go.mod h1:mF1DpOSOUiJRMR+FDqaqu3EBqrybQtrDDszLUZ6oxPg=
github.com/siddontang/rdb v0.0.0-20150307021120-fc89ed2e418d/go.mod h1:AMEsy7v5z92TR1JKMkLLoaOQk++LVnOKL3ScbJ8GNGA=
@ -1118,7 +1103,6 @@ github.com/yuin/goldmark v1.1.22/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1 h1:ruQGxdhGHe7FWOJPT0mKs5+pD2Xs1Bm/kdGlHO04FmM=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.1 h1:eVwehsLsZlCJCwXyGLgg+Q4iFWE/eTIMG0e8waCmm/I=
github.com/yuin/goldmark v1.3.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
@ -1152,7 +1136,10 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opentelemetry.io/otel v0.14.0 h1:YFBEfjCk9MTjaytCNSUkp9Q8lF7QJezA06T71FbQxLQ=
go.opentelemetry.io/otel v0.14.0/go.mod h1:vH5xEuwy7Rts0GNtsCW3HYQoZDY+OmBJ6t1bFGGlxgw=
go.opentelemetry.io/otel v0.16.0 h1:uIWEbdeb4vpKPGITLsRVUS44L5oDbDUCZxn8lkxhmgw=
go.opentelemetry.io/otel v0.16.0/go.mod h1:e4GKElweB8W2gWUqbghw0B8t5MCTccc9212eNHnOHwA=
go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@ -1278,7 +1265,6 @@ golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwY
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201224014010-6772e930b67b h1:iFwSg7t5GZmB/Q5TjiEAsdoLDrdJRC1RiF2WhuV29Qw=
golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210119194325-5f4716e94777 h1:003p0dJM77cxMSyCPFphvZf/Y5/NXf5fzg6ufd1/Oew=
golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
@ -1288,9 +1274,7 @@ golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4Iltr
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43 h1:ld7aEMNHoBnnDAX15v1T6z31v8HwR2A9FYOuAhWqkwc=
golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58 h1:Mj83v+wSRNEar42a/MQgxk9X42TdEmrOl9i+y8WbxLo=
golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210126194326-f9ce19ea3013 h1:55H5j7lotzuFCEOKDsMch+fRNUQ9DgtyHOUP31FNqKc=
golang.org/x/oauth2 v0.0.0-20210126194326-f9ce19ea3013/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
@ -1369,11 +1353,10 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201126233918-771906719818/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 h1:myAQVi0cGEoqQVR5POX+8RR2mrocKqNN1hmeMqhX27k=
golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221 h1:/ZHdbVpdR/jk3g30/d4yUL0JU9kksj8+F/bnQUVLGDM=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@ -1382,7 +1365,6 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@ -1454,10 +1436,9 @@ golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc
golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
golang.org/x/tools v0.0.0-20200929161345-d7fc70abf50f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
golang.org/x/tools v0.0.0-20201022035929-9cf592e881e9 h1:sEvmEcJVKBNUvgCUClbUQeHOAa9U0I2Ce1BooMvVCY4=
golang.org/x/tools v0.0.0-20201022035929-9cf592e881e9/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20201125231158-b5590deeca9b h1:Lq5JUTFhiybGVf28jB6QRpqd13/JPOaCnET17PVzYJE=
golang.org/x/tools v0.0.0-20201125231158-b5590deeca9b/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -1594,7 +1575,6 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

33
modules/cache/cache_redis.go vendored
View File

@ -8,10 +8,11 @@ import (
"fmt"
"time"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/nosql"
"gitea.com/go-chi/cache"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
"github.com/unknwon/com"
)
@ -28,7 +29,7 @@ type RedisCacher struct {
func (c *RedisCacher) Put(key string, val interface{}, expire int64) error {
key = c.prefix + key
if expire == 0 {
if err := c.c.Set(key, com.ToStr(val), 0).Err(); err != nil {
if err := c.c.Set(graceful.GetManager().HammerContext(), key, com.ToStr(val), 0).Err(); err != nil {
return err
}
} else {
@ -36,7 +37,7 @@ func (c *RedisCacher) Put(key string, val interface{}, expire int64) error {
if err != nil {
return err
}
if err = c.c.Set(key, com.ToStr(val), dur).Err(); err != nil {
if err = c.c.Set(graceful.GetManager().HammerContext(), key, com.ToStr(val), dur).Err(); err != nil {
return err
}
}
@ -44,12 +45,12 @@ func (c *RedisCacher) Put(key string, val interface{}, expire int64) error {
if c.occupyMode {
return nil
}
return c.c.HSet(c.hsetName, key, "0").Err()
return c.c.HSet(graceful.GetManager().HammerContext(), c.hsetName, key, "0").Err()
}
// Get gets cached value by given key.
func (c *RedisCacher) Get(key string) interface{} {
val, err := c.c.Get(c.prefix + key).Result()
val, err := c.c.Get(graceful.GetManager().HammerContext(), c.prefix+key).Result()
if err != nil {
return nil
}
@ -59,14 +60,14 @@ func (c *RedisCacher) Get(key string) interface{} {
// Delete deletes cached value by given key.
func (c *RedisCacher) Delete(key string) error {
key = c.prefix + key
if err := c.c.Del(key).Err(); err != nil {
if err := c.c.Del(graceful.GetManager().HammerContext(), key).Err(); err != nil {
return err
}
if c.occupyMode {
return nil
}
return c.c.HDel(c.hsetName, key).Err()
return c.c.HDel(graceful.GetManager().HammerContext(), c.hsetName, key).Err()
}
// Incr increases cached int-type value by given key as a counter.
@ -74,7 +75,7 @@ func (c *RedisCacher) Incr(key string) error {
if !c.IsExist(key) {
return fmt.Errorf("key '%s' not exist", key)
}
return c.c.Incr(c.prefix + key).Err()
return c.c.Incr(graceful.GetManager().HammerContext(), c.prefix+key).Err()
}
// Decr decreases cached int-type value by given key as a counter.
@ -82,17 +83,17 @@ func (c *RedisCacher) Decr(key string) error {
if !c.IsExist(key) {
return fmt.Errorf("key '%s' not exist", key)
}
return c.c.Decr(c.prefix + key).Err()
return c.c.Decr(graceful.GetManager().HammerContext(), c.prefix+key).Err()
}
// IsExist returns true if cached value exists.
func (c *RedisCacher) IsExist(key string) bool {
if c.c.Exists(c.prefix+key).Val() == 1 {
if c.c.Exists(graceful.GetManager().HammerContext(), c.prefix+key).Val() == 1 {
return true
}
if !c.occupyMode {
c.c.HDel(c.hsetName, c.prefix+key)
c.c.HDel(graceful.GetManager().HammerContext(), c.hsetName, c.prefix+key)
}
return false
}
@ -100,17 +101,17 @@ func (c *RedisCacher) IsExist(key string) bool {
// Flush deletes all cached data.
func (c *RedisCacher) Flush() error {
if c.occupyMode {
return c.c.FlushDB().Err()
return c.c.FlushDB(graceful.GetManager().HammerContext()).Err()
}
keys, err := c.c.HKeys(c.hsetName).Result()
keys, err := c.c.HKeys(graceful.GetManager().HammerContext(), c.hsetName).Result()
if err != nil {
return err
}
if err = c.c.Del(keys...).Err(); err != nil {
if err = c.c.Del(graceful.GetManager().HammerContext(), keys...).Err(); err != nil {
return err
}
return c.c.Del(c.hsetName).Err()
return c.c.Del(graceful.GetManager().HammerContext(), c.hsetName).Err()
}
// StartAndGC starts GC routine based on config string settings.
@ -132,7 +133,7 @@ func (c *RedisCacher) StartAndGC(opts cache.Options) error {
}
}
return c.c.Ping().Err()
return c.c.Ping(graceful.GetManager().HammerContext()).Err()
}
func init() {

2
modules/nosql/manager.go
View File

@ -9,7 +9,7 @@ import (
"sync"
"time"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
"github.com/syndtr/goleveldb/leveldb"
)

2
modules/nosql/manager_redis.go
View File

@ -10,7 +10,7 @@ import (
"strconv"
"strings"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
)
var replacer = strings.NewReplacer("_", "", "-", "")

10
modules/queue/queue_bytefifo.go
View File

@ -163,6 +163,11 @@ func (q *ByteFIFOQueue) Shutdown() {
log.Debug("%s: %s Shutdown", q.typ, q.name)
}
// IsShutdown returns a channel which is closed when this Queue is shutdown
func (q *ByteFIFOQueue) IsShutdown() <-chan struct{} {
return q.closed
}
// Terminate this queue and close the queue
func (q *ByteFIFOQueue) Terminate() {
log.Trace("%s: %s Terminating", q.typ, q.name)
@ -185,6 +190,11 @@ func (q *ByteFIFOQueue) Terminate() {
log.Debug("%s: %s Terminated", q.typ, q.name)
}
// IsTerminated returns a channel which is closed when this Queue is terminated
func (q *ByteFIFOQueue) IsTerminated() <-chan struct{} {
return q.terminated
}
var _ (UniqueQueue) = &ByteFIFOUniqueQueue{}
// ByteFIFOUniqueQueue represents a UniqueQueue formed from a UniqueByteFifo

32
modules/queue/queue_redis.go
View File

@ -5,10 +5,14 @@
package queue
import (
"context"
"fmt"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/nosql"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
)
// RedisQueueType is the type for redis queue
@ -43,6 +47,8 @@ func NewRedisQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue, error)
return nil, err
}
byteFIFO.ctx = graceful.NewChannelContext(byteFIFOQueue.IsTerminated(), fmt.Errorf("queue has been terminated"))
queue := &RedisQueue{
ByteFIFOQueue: byteFIFOQueue,
}
@ -53,13 +59,13 @@ func NewRedisQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue, error)
}
type redisClient interface {
RPush(key string, args ...interface{}) *redis.IntCmd
LPop(key string) *redis.StringCmd
LLen(key string) *redis.IntCmd
SAdd(key string, members ...interface{}) *redis.IntCmd
SRem(key string, members ...interface{}) *redis.IntCmd
SIsMember(key string, member interface{}) *redis.BoolCmd
Ping() *redis.StatusCmd
RPush(ctx context.Context, key string, args ...interface{}) *redis.IntCmd
LPop(ctx context.Context, key string) *redis.StringCmd
LLen(ctx context.Context, key string) *redis.IntCmd
SAdd(ctx context.Context, key string, members ...interface{}) *redis.IntCmd
SRem(ctx context.Context, key string, members ...interface{}) *redis.IntCmd
SIsMember(ctx context.Context, key string, member interface{}) *redis.BoolCmd
Ping(ctx context.Context) *redis.StatusCmd
Close() error
}
@ -67,6 +73,7 @@ var _ (ByteFIFO) = &RedisByteFIFO{}
// RedisByteFIFO represents a ByteFIFO formed from a redisClient
type RedisByteFIFO struct {
ctx context.Context
client redisClient
queueName string
}
@ -82,8 +89,9 @@ func NewRedisByteFIFO(config RedisByteFIFOConfiguration) (*RedisByteFIFO, error)
fifo := &RedisByteFIFO{
queueName: config.QueueName,
}
fifo.ctx = graceful.GetManager().TerminateContext()
fifo.client = nosql.GetManager().GetRedisClient(config.ConnectionString)
if err := fifo.client.Ping().Err(); err != nil {
if err := fifo.client.Ping(graceful.GetManager().ShutdownContext()).Err(); err != nil {
return nil, err
}
return fifo, nil
@ -96,12 +104,12 @@ func (fifo *RedisByteFIFO) PushFunc(data []byte, fn func() error) error {
return err
}
}
return fifo.client.RPush(fifo.queueName, data).Err()
return fifo.client.RPush(fifo.ctx, fifo.queueName, data).Err()
}
// Pop pops data from the start of the fifo
func (fifo *RedisByteFIFO) Pop() ([]byte, error) {
data, err := fifo.client.LPop(fifo.queueName).Bytes()
data, err := fifo.client.LPop(fifo.ctx, fifo.queueName).Bytes()
if err == nil || err == redis.Nil {
return data, nil
}
@ -115,7 +123,7 @@ func (fifo *RedisByteFIFO) Close() error {
// Len returns the length of the fifo
func (fifo *RedisByteFIFO) Len() int64 {
val, err := fifo.client.LLen(fifo.queueName).Result()
val, err := fifo.client.LLen(fifo.ctx, fifo.queueName).Result()
if err != nil {
log.Error("Error whilst getting length of redis queue %s: Error: %v", fifo.queueName, err)
return -1

19
modules/queue/unique_queue_redis.go
View File

@ -4,7 +4,12 @@
package queue
import "github.com/go-redis/redis/v7"
import (
"fmt"
"code.gitea.io/gitea/modules/graceful"
"github.com/go-redis/redis/v8"
)
// RedisUniqueQueueType is the type for redis queue
const RedisUniqueQueueType Type = "unique-redis"
@ -46,6 +51,8 @@ func NewRedisUniqueQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue,
return nil, err
}
byteFIFO.ctx = graceful.NewChannelContext(byteFIFOQueue.IsTerminated(), fmt.Errorf("queue has been terminated"))
queue := &RedisUniqueQueue{
ByteFIFOUniqueQueue: byteFIFOQueue,
}
@ -86,7 +93,7 @@ func NewRedisUniqueByteFIFO(config RedisUniqueByteFIFOConfiguration) (*RedisUniq
// PushFunc pushes data to the end of the fifo and calls the callback if it is added
func (fifo *RedisUniqueByteFIFO) PushFunc(data []byte, fn func() error) error {
added, err := fifo.client.SAdd(fifo.setName, data).Result()
added, err := fifo.client.SAdd(fifo.ctx, fifo.setName, data).Result()
if err != nil {
return err
}
@ -98,12 +105,12 @@ func (fifo *RedisUniqueByteFIFO) PushFunc(data []byte, fn func() error) error {
return err
}
}
return fifo.client.RPush(fifo.queueName, data).Err()
return fifo.client.RPush(fifo.ctx, fifo.queueName, data).Err()
}
// Pop pops data from the start of the fifo
func (fifo *RedisUniqueByteFIFO) Pop() ([]byte, error) {
data, err := fifo.client.LPop(fifo.queueName).Bytes()
data, err := fifo.client.LPop(fifo.ctx, fifo.queueName).Bytes()
if err != nil && err != redis.Nil {
return data, err
}
@ -112,13 +119,13 @@ func (fifo *RedisUniqueByteFIFO) Pop() ([]byte, error) {
return data, nil
}
err = fifo.client.SRem(fifo.setName, data).Err()
err = fifo.client.SRem(fifo.ctx, fifo.setName, data).Err()
return data, err
}
// Has returns whether the fifo contains this data
func (fifo *RedisUniqueByteFIFO) Has(data []byte) (bool, error) {
return fifo.client.SIsMember(fifo.setName, data).Result()
return fifo.client.SIsMember(fifo.ctx, fifo.setName, data).Result()
}
func init() {

27
modules/session/redis.go
View File

@ -21,10 +21,11 @@ import (
"sync"
"time"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/nosql"
"gitea.com/go-chi/session"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
)
// RedisStore represents a redis session store implementation.
@ -90,7 +91,7 @@ func (s *RedisStore) Release() error {
return err
}
return s.c.Set(s.prefix+s.sid, string(data), s.duration).Err()
return s.c.Set(graceful.GetManager().HammerContext(), s.prefix+s.sid, string(data), s.duration).Err()
}
// Flush deletes all session data.
@ -127,20 +128,20 @@ func (p *RedisProvider) Init(maxlifetime int64, configs string) (err error) {
}
p.c = nosql.GetManager().GetRedisClient(uri.String())
return p.c.Ping().Err()
return p.c.Ping(graceful.GetManager().ShutdownContext()).Err()
}
// Read returns raw session store by session ID.
func (p *RedisProvider) Read(sid string) (session.RawStore, error) {
psid := p.prefix + sid
if !p.Exist(sid) {
if err := p.c.Set(psid, "", p.duration).Err(); err != nil {
if err := p.c.Set(graceful.GetManager().HammerContext(), psid, "", p.duration).Err(); err != nil {
return nil, err
}
}
var kv map[interface{}]interface{}
kvs, err := p.c.Get(psid).Result()
kvs, err := p.c.Get(graceful.GetManager().HammerContext(), psid).Result()
if err != nil {
return nil, err
}
@ -158,13 +159,13 @@ func (p *RedisProvider) Read(sid string) (session.RawStore, error) {
// Exist returns true if session with given ID exists.
func (p *RedisProvider) Exist(sid string) bool {
v, err := p.c.Exists(p.prefix + sid).Result()
v, err := p.c.Exists(graceful.GetManager().HammerContext(), p.prefix+sid).Result()
return err == nil && v == 1
}
// Destroy deletes a session by session ID.
func (p *RedisProvider) Destroy(sid string) error {
return p.c.Del(p.prefix + sid).Err()
return p.c.Del(graceful.GetManager().HammerContext(), p.prefix+sid).Err()
}
// Regenerate regenerates a session store from old session ID to new one.
@ -176,17 +177,17 @@ func (p *RedisProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err
return nil, fmt.Errorf("new sid '%s' already exists", sid)
} else if !p.Exist(oldsid) {
// Make a fake old session.
if err = p.c.Set(poldsid, "", p.duration).Err(); err != nil {
if err = p.c.Set(graceful.GetManager().HammerContext(), poldsid, "", p.duration).Err(); err != nil {
return nil, err
}
}
if err = p.c.Rename(poldsid, psid).Err(); err != nil {
if err = p.c.Rename(graceful.GetManager().HammerContext(), poldsid, psid).Err(); err != nil {
return nil, err
}
var kv map[interface{}]interface{}
kvs, err := p.c.Get(psid).Result()
kvs, err := p.c.Get(graceful.GetManager().HammerContext(), psid).Result()
if err != nil {
return nil, err
}
@ -205,7 +206,11 @@ func (p *RedisProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err
// Count counts and returns number of sessions.
func (p *RedisProvider) Count() int {
return int(p.c.DBSize().Val())
size, err := p.c.DBSize(graceful.GetManager().HammerContext()).Result()
if err != nil {
return 0
}
return int(size)
}
// GC calls GC to clean expired sessions.

21
vendor/github.com/dgryski/go-rendezvous/LICENSE generated vendored Normal file
View File

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2017-2020 Damian Gryski <damian@gryski.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

79
vendor/github.com/dgryski/go-rendezvous/rdv.go generated vendored Normal file
View File

@ -0,0 +1,79 @@
package rendezvous
type Rendezvous struct {
nodes map[string]int
nstr []string
nhash []uint64
hash Hasher
}
type Hasher func(s string) uint64
func New(nodes []string, hash Hasher) *Rendezvous {
r := &Rendezvous{
nodes: make(map[string]int, len(nodes)),
nstr: make([]string, len(nodes)),
nhash: make([]uint64, len(nodes)),
hash: hash,
}
for i, n := range nodes {
r.nodes[n] = i
r.nstr[i] = n
r.nhash[i] = hash(n)
}
return r
}
func (r *Rendezvous) Lookup(k string) string {
// short-circuit if we're empty
if len(r.nodes) == 0 {
return ""
}
khash := r.hash(k)
var midx int
var mhash = xorshiftMult64(khash ^ r.nhash[0])
for i, nhash := range r.nhash[1:] {
if h := xorshiftMult64(khash ^ nhash); h > mhash {
midx = i + 1
mhash = h
}
}
return r.nstr[midx]
}
func (r *Rendezvous) Add(node string) {
r.nodes[node] = len(r.nstr)
r.nstr = append(r.nstr, node)
r.nhash = append(r.nhash, r.hash(node))
}
func (r *Rendezvous) Remove(node string) {
// find index of node to remove
nidx := r.nodes[node]
// remove from the slices
l := len(r.nstr)
r.nstr[nidx] = r.nstr[l]
r.nstr = r.nstr[:l]
r.nhash[nidx] = r.nhash[l]
r.nhash = r.nhash[:l]
// update the map
delete(r.nodes, node)
moved := r.nstr[nidx]
r.nodes[moved] = nidx
}
func xorshiftMult64(x uint64) uint64 {
x ^= x >> 12 // a
x ^= x << 25 // b
x ^= x >> 27 // c
return x * 2685821657736338717
}

22
vendor/github.com/go-redis/redis/v7/.travis.yml generated vendored
View File

@ -1,22 +0,0 @@
dist: xenial
language: go
services:
- redis-server
go:
- 1.12.x
- 1.13.x
- tip
matrix:
allow_failures:
- go: tip
env:
- GO111MODULE=on
go_import_path: github.com/go-redis/redis
before_install:
- curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.21.0

46
vendor/github.com/go-redis/redis/v7/CHANGELOG.md generated vendored
View File

@ -1,46 +0,0 @@
# Changelog
## v7.2
- Existing `HMSet` is renamed to `HSet` and old deprecated `HMSet` is restored for Redis 3 users.
## v7.1
- Existing `Cmd.String` is renamed to `Cmd.Text`. New `Cmd.String` implements `fmt.Stringer` interface.
## v7
- *Important*. Tx.Pipeline now returns a non-transactional pipeline. Use Tx.TxPipeline for a transactional pipeline.
- WrapProcess is replaced with more convenient AddHook that has access to context.Context.
- WithContext now can not be used to create a shallow copy of the client.
- New methods ProcessContext, DoContext, and ExecContext.
- Client respects Context.Deadline when setting net.Conn deadline.
- Client listens on Context.Done while waiting for a connection from the pool and returns an error when context context is cancelled.
- Add PubSub.ChannelWithSubscriptions that sends `*Subscription` in addition to `*Message` to allow detecting reconnections.
- `time.Time` is now marshalled in RFC3339 format. `rdb.Get("foo").Time()` helper is added to parse the time.
- `SetLimiter` is removed and added `Options.Limiter` instead.
- `HMSet` is deprecated as of Redis v4.
## v6.15
- Cluster and Ring pipelines process commands for each node in its own goroutine.
## 6.14
- Added Options.MinIdleConns.
- Added Options.MaxConnAge.
- PoolStats.FreeConns is renamed to PoolStats.IdleConns.
- Add Client.Do to simplify creating custom commands.
- Add Cmd.String, Cmd.Int, Cmd.Int64, Cmd.Uint64, Cmd.Float64, and Cmd.Bool helpers.
- Lower memory usage.
## v6.13
- Ring got new options called `HashReplicas` and `Hash`. It is recommended to set `HashReplicas = 1000` for better keys distribution between shards.
- Cluster client was optimized to use much less memory when reloading cluster state.
- PubSub.ReceiveMessage is re-worked to not use ReceiveTimeout so it does not lose data when timeout occurres. In most cases it is recommended to use PubSub.Channel instead.
- Dialer.KeepAlive is set to 5 minutes by default.
## v6.12
- ClusterClient got new option called `ClusterSlots` which allows to build cluster of normal Redis Servers that don't have cluster mode enabled. See https://godoc.org/github.com/go-redis/redis#example-NewClusterClient--ManualSetup

128
vendor/github.com/go-redis/redis/v7/README.md generated vendored
View File

@ -1,128 +0,0 @@
# Redis client for Golang
[![Build Status](https://travis-ci.org/go-redis/redis.png?branch=master)](https://travis-ci.org/go-redis/redis)
[![GoDoc](https://godoc.org/github.com/go-redis/redis?status.svg)](https://godoc.org/github.com/go-redis/redis)
[![Airbrake](https://img.shields.io/badge/kudos-airbrake.io-orange.svg)](https://airbrake.io)
Supports:
- Redis 3 commands except QUIT, MONITOR, SLOWLOG and SYNC.
- Automatic connection pooling with [circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support.
- [Pub/Sub](https://godoc.org/github.com/go-redis/redis#PubSub).
- [Transactions](https://godoc.org/github.com/go-redis/redis#example-Client-TxPipeline).
- [Pipeline](https://godoc.org/github.com/go-redis/redis#example-Client-Pipeline) and [TxPipeline](https://godoc.org/github.com/go-redis/redis#example-Client-TxPipeline).
- [Scripting](https://godoc.org/github.com/go-redis/redis#Script).
- [Timeouts](https://godoc.org/github.com/go-redis/redis#Options).
- [Redis Sentinel](https://godoc.org/github.com/go-redis/redis#NewFailoverClient).
- [Redis Cluster](https://godoc.org/github.com/go-redis/redis#NewClusterClient).
- [Cluster of Redis Servers](https://godoc.org/github.com/go-redis/redis#example-NewClusterClient--ManualSetup) without using cluster mode and Redis Sentinel.
- [Ring](https://godoc.org/github.com/go-redis/redis#NewRing).
- [Instrumentation](https://godoc.org/github.com/go-redis/redis#ex-package--Instrumentation).
- [Cache friendly](https://github.com/go-redis/cache).
- [Rate limiting](https://github.com/go-redis/redis_rate).
- [Distributed Locks](https://github.com/bsm/redislock).
API docs: https://godoc.org/github.com/go-redis/redis.
Examples: https://godoc.org/github.com/go-redis/redis#pkg-examples.
## Installation
go-redis requires a Go version with [Modules](https://github.com/golang/go/wiki/Modules) support and uses import versioning. So please make sure to initialize a Go module before installing go-redis:
``` shell
go mod init github.com/my/repo
go get github.com/go-redis/redis/v7
```
Import:
``` go
import "github.com/go-redis/redis/v7"
```
## Quickstart
``` go
func ExampleNewClient() {
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
pong, err := client.Ping().Result()
fmt.Println(pong, err)
// Output: PONG <nil>
}
func ExampleClient() {
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
err := client.Set("key", "value", 0).Err()
if err != nil {
panic(err)
}
val, err := client.Get("key").Result()
if err != nil {
panic(err)
}
fmt.Println("key", val)
val2, err := client.Get("key2").Result()
if err == redis.Nil {
fmt.Println("key2 does not exist")
} else if err != nil {
panic(err)
} else {
fmt.Println("key2", val2)
}
// Output: key value
// key2 does not exist
}
```
## Howto
Please go through [examples](https://godoc.org/github.com/go-redis/redis#pkg-examples) to get an idea how to use this package.
## Look and feel
Some corner cases:
``` go
// SET key value EX 10 NX
set, err := client.SetNX("key", "value", 10*time.Second).Result()
// SORT list LIMIT 0 2 ASC
vals, err := client.Sort("list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()
// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := client.ZRangeByScoreWithScores("zset", &redis.ZRangeBy{
Min: "-inf",
Max: "+inf",
Offset: 0,
Count: 2,
}).Result()
// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := client.ZInterStore("out", &redis.ZStore{
Keys: []string{"zset1", "zset2"},
Weights: []int64{2, 3}
}).Result()
// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := client.Eval("return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()
// custom command
res, err := client.Do("set", "key", "value").Result()
```
## See also
- [Golang PostgreSQL ORM](https://github.com/go-pg/pg)
- [Golang msgpack](https://github.com/vmihailenco/msgpack)
- [Golang message task queue](https://github.com/vmihailenco/taskq)

22
vendor/github.com/go-redis/redis/v7/cluster_commands.go generated vendored
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@ -1,22 +0,0 @@
package redis
import "sync/atomic"
func (c *ClusterClient) DBSize() *IntCmd {
cmd := NewIntCmd("dbsize")
var size int64
err := c.ForEachMaster(func(master *Client) error {
n, err := master.DBSize().Result()
if err != nil {
return err
}
atomic.AddInt64(&size, n)
return nil
})
if err != nil {
cmd.SetErr(err)
return cmd
}
cmd.val = size
return cmd
}

2643
vendor/github.com/go-redis/redis/v7/commands.go generated vendored
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File diff suppressed because it is too large Load Diff

15
vendor/github.com/go-redis/redis/v7/go.mod generated vendored
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@ -1,15 +0,0 @@
module github.com/go-redis/redis/v7
require (
github.com/golang/protobuf v1.3.2 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/onsi/ginkgo v1.10.1
github.com/onsi/gomega v1.7.0
golang.org/x/net v0.0.0-20190923162816-aa69164e4478 // indirect
golang.org/x/sys v0.0.0-20191010194322-b09406accb47 // indirect
golang.org/x/text v0.3.2 // indirect
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
gopkg.in/yaml.v2 v2.2.4 // indirect
)
go 1.11

47
vendor/github.com/go-redis/redis/v7/go.sum generated vendored
View File

@ -1,47 +0,0 @@
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.10.1 h1:q/mM8GF/n0shIN8SaAZ0V+jnLPzen6WIVZdiwrRlMlo=
github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/gomega v1.7.0 h1:XPnZz8VVBHjVsy1vzJmRwIcSwiUO+JFfrv/xGiigmME=
github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e h1:o3PsSEY8E4eXWkXrIP9YJALUkVZqzHJT5DOasTyn8Vs=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/ntt0swNk5oYBziWeTCvY=
golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

81
vendor/github.com/go-redis/redis/v7/internal/consistenthash/consistenthash.go generated vendored
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@ -1,81 +0,0 @@
/*
Copyright 2013 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package consistenthash provides an implementation of a ring hash.
package consistenthash
import (
"hash/crc32"
"sort"
"strconv"
)
type Hash func(data []byte) uint32
type Map struct {
hash Hash
replicas int
keys []int // Sorted
hashMap map[int]string
}
func New(replicas int, fn Hash) *Map {
m := &Map{
replicas: replicas,
hash: fn,
hashMap: make(map[int]string),
}
if m.hash == nil {
m.hash = crc32.ChecksumIEEE
}
return m
}
// Returns true if there are no items available.
func (m *Map) IsEmpty() bool {
return len(m.keys) == 0
}
// Adds some keys to the hash.
func (m *Map) Add(keys ...string) {
for _, key := range keys {
for i := 0; i < m.replicas; i++ {
hash := int(m.hash([]byte(strconv.Itoa(i) + key)))
m.keys = append(m.keys, hash)
m.hashMap[hash] = key
}
}
sort.Ints(m.keys)
}
// Gets the closest item in the hash to the provided key.
func (m *Map) Get(key string) string {
if m.IsEmpty() {
return ""
}
hash := int(m.hash([]byte(key)))
// Binary search for appropriate replica.
idx := sort.Search(len(m.keys), func(i int) bool { return m.keys[i] >= hash })
// Means we have cycled back to the first replica.
if idx == len(m.keys) {
idx = 0
}
return m.hashMap[m.keys[idx]]
}

24
vendor/github.com/go-redis/redis/v7/internal/internal.go generated vendored
View File

@ -1,24 +0,0 @@
package internal
import (
"math/rand"
"time"
)
// Retry backoff with jitter sleep to prevent overloaded conditions during intervals
// https://www.awsarchitectureblog.com/2015/03/backoff.html
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
retry = 0
}
backoff := minBackoff << uint(retry)
if backoff > maxBackoff || backoff < minBackoff {
backoff = maxBackoff
}
if backoff == 0 {
return 0
}
return time.Duration(rand.Int63n(int64(backoff)))
}

8
vendor/github.com/go-redis/redis/v7/internal/log.go generated vendored
View File

@ -1,8 +0,0 @@
package internal
import (
"log"
"os"
)
var Logger = log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile)

112
vendor/github.com/go-redis/redis/v7/internal/pool/pool_sticky.go generated vendored
View File

@ -1,112 +0,0 @@
package pool
import (
"context"
"sync"
)
type StickyConnPool struct {
pool *ConnPool
reusable bool
cn *Conn
closed bool
mu sync.Mutex
}
var _ Pooler = (*StickyConnPool)(nil)
func NewStickyConnPool(pool *ConnPool, reusable bool) *StickyConnPool {
return &StickyConnPool{
pool: pool,
reusable: reusable,
}
}
func (p *StickyConnPool) NewConn(context.Context) (*Conn, error) {
panic("not implemented")
}
func (p *StickyConnPool) CloseConn(*Conn) error {
panic("not implemented")
}
func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
p.mu.Lock()
defer p.mu.Unlock()
if p.closed {
return nil, ErrClosed
}
if p.cn != nil {
return p.cn, nil
}
cn, err := p.pool.Get(ctx)
if err != nil {
return nil, err
}
p.cn = cn
return cn, nil
}
func (p *StickyConnPool) putUpstream() {
p.pool.Put(p.cn)
p.cn = nil
}
func (p *StickyConnPool) Put(cn *Conn) {}
func (p *StickyConnPool) removeUpstream(reason error) {
p.pool.Remove(p.cn, reason)
p.cn = nil
}
func (p *StickyConnPool) Remove(cn *Conn, reason error) {
p.removeUpstream(reason)
}
func (p *StickyConnPool) Len() int {
p.mu.Lock()
defer p.mu.Unlock()
if p.cn == nil {
return 0
}
return 1
}
func (p *StickyConnPool) IdleLen() int {
p.mu.Lock()
defer p.mu.Unlock()
if p.cn == nil {
return 1
}
return 0
}
func (p *StickyConnPool) Stats() *Stats {
return nil
}
func (p *StickyConnPool) Close() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.closed {
return ErrClosed
}
p.closed = true
if p.cn != nil {
if p.reusable {
p.putUpstream()
} else {
p.removeUpstream(ErrClosed)
}
}
return nil
}

56
vendor/github.com/go-redis/redis/v7/internal/util.go generated vendored
View File

@ -1,56 +0,0 @@
package internal
import (
"context"
"time"
"github.com/go-redis/redis/v7/internal/util"
)
func Sleep(ctx context.Context, dur time.Duration) error {
t := time.NewTimer(dur)
defer t.Stop()
select {
case <-t.C:
return nil
case <-ctx.Done():
return ctx.Err()
}
}
func ToLower(s string) string {
if isLower(s) {
return s
}
b := make([]byte, len(s))
for i := range b {
c := s[i]
if c >= 'A' && c <= 'Z' {
c += 'a' - 'A'
}
b[i] = c
}
return util.BytesToString(b)
}
func isLower(s string) bool {
for i := 0; i < len(s); i++ {
c := s[i]
if c >= 'A' && c <= 'Z' {
return false
}
}
return true
}
func Unwrap(err error) error {
u, ok := err.(interface {
Unwrap() error
})
if !ok {
return nil
}
return u.Unwrap()
}

62
vendor/github.com/go-redis/redis/v7/script.go generated vendored
View File

@ -1,62 +0,0 @@
package redis
import (
"crypto/sha1"
"encoding/hex"
"io"
"strings"
)
type scripter interface {
Eval(script string, keys []string, args ...interface{}) *Cmd
EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd
ScriptExists(hashes ...string) *BoolSliceCmd
ScriptLoad(script string) *StringCmd
}
var _ scripter = (*Client)(nil)
var _ scripter = (*Ring)(nil)
var _ scripter = (*ClusterClient)(nil)
type Script struct {
src, hash string
}
func NewScript(src string) *Script {
h := sha1.New()
_, _ = io.WriteString(h, src)
return &Script{
src: src,
hash: hex.EncodeToString(h.Sum(nil)),
}
}
func (s *Script) Hash() string {
return s.hash
}
func (s *Script) Load(c scripter) *StringCmd {
return c.ScriptLoad(s.src)
}
func (s *Script) Exists(c scripter) *BoolSliceCmd {
return c.ScriptExists(s.hash)
}
func (s *Script) Eval(c scripter, keys []string, args ...interface{}) *Cmd {
return c.Eval(s.src, keys, args...)
}
func (s *Script) EvalSha(c scripter, keys []string, args ...interface{}) *Cmd {
return c.EvalSha(s.hash, keys, args...)
}
// Run optimistically uses EVALSHA to run the script. If script does not exist
// it is retried using EVAL.
func (s *Script) Run(c scripter, keys []string, args ...interface{}) *Cmd {
r := s.EvalSha(c, keys, args...)
if err := r.Err(); err != nil && strings.HasPrefix(err.Error(), "NOSCRIPT ") {
return s.Eval(c, keys, args...)
}
return r
}

509
vendor/github.com/go-redis/redis/v7/sentinel.go generated vendored
View File

@ -1,509 +0,0 @@
package redis
import (
"context"
"crypto/tls"
"errors"
"net"
"strings"
"sync"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
)
//------------------------------------------------------------------------------
// FailoverOptions are used to configure a failover client and should
// be passed to NewFailoverClient.
type FailoverOptions struct {
// The master name.
MasterName string
// A seed list of host:port addresses of sentinel nodes.
SentinelAddrs []string
SentinelUsername string
SentinelPassword string
// Following options are copied from Options struct.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(*Conn) error
Username string
Password string
DB int
MaxRetries int
MinRetryBackoff time.Duration
MaxRetryBackoff time.Duration
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
}
func (opt *FailoverOptions) options() *Options {
return &Options{
Addr: "FailoverClient",
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
DB: opt.DB,
Username: opt.Username,
Password: opt.Password,
MaxRetries: opt.MaxRetries,
MinRetryBackoff: opt.MinRetryBackoff,
MaxRetryBackoff: opt.MaxRetryBackoff,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolSize: opt.PoolSize,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
TLSConfig: opt.TLSConfig,
}
}
// NewFailoverClient returns a Redis client that uses Redis Sentinel
// for automatic failover. It's safe for concurrent use by multiple
// goroutines.
func NewFailoverClient(failoverOpt *FailoverOptions) *Client {
opt := failoverOpt.options()
opt.init()
failover := &sentinelFailover{
masterName: failoverOpt.MasterName,
sentinelAddrs: failoverOpt.SentinelAddrs,
username: failoverOpt.SentinelUsername,
password: failoverOpt.SentinelPassword,
opt: opt,
}
c := Client{
baseClient: newBaseClient(opt, failover.Pool()),
ctx: context.Background(),
}
c.cmdable = c.Process
c.onClose = failover.Close
return &c
}
//------------------------------------------------------------------------------
type SentinelClient struct {
*baseClient
ctx context.Context
}
func NewSentinelClient(opt *Options) *SentinelClient {
opt.init()
c := &SentinelClient{
baseClient: &baseClient{
opt: opt,
connPool: newConnPool(opt),
},
ctx: context.Background(),
}
return c
}
func (c *SentinelClient) Context() context.Context {
return c.ctx
}
func (c *SentinelClient) WithContext(ctx context.Context) *SentinelClient {
if ctx == nil {
panic("nil context")
}
clone := *c
clone.ctx = ctx
return &clone
}
func (c *SentinelClient) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *SentinelClient) ProcessContext(ctx context.Context, cmd Cmder) error {
return c.baseClient.process(ctx, cmd)
}
func (c *SentinelClient) pubSub() *PubSub {
pubsub := &PubSub{
opt: c.opt,
newConn: func(channels []string) (*pool.Conn, error) {
return c.newConn(context.TODO())
},
closeConn: c.connPool.CloseConn,
}
pubsub.init()
return pubsub
}
// Ping is used to test if a connection is still alive, or to
// measure latency.
func (c *SentinelClient) Ping() *StringCmd {
cmd := NewStringCmd("ping")
_ = c.Process(cmd)
return cmd
}
// Subscribe subscribes the client to the specified channels.
// Channels can be omitted to create empty subscription.
func (c *SentinelClient) Subscribe(channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.Subscribe(channels...)
}
return pubsub
}
// PSubscribe subscribes the client to the given patterns.
// Patterns can be omitted to create empty subscription.
func (c *SentinelClient) PSubscribe(channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.PSubscribe(channels...)
}
return pubsub
}
func (c *SentinelClient) GetMasterAddrByName(name string) *StringSliceCmd {
cmd := NewStringSliceCmd("sentinel", "get-master-addr-by-name", name)
_ = c.Process(cmd)
return cmd
}
func (c *SentinelClient) Sentinels(name string) *SliceCmd {
cmd := NewSliceCmd("sentinel", "sentinels", name)
_ = c.Process(cmd)
return cmd
}
// Failover forces a failover as if the master was not reachable, and without
// asking for agreement to other Sentinels.
func (c *SentinelClient) Failover(name string) *StatusCmd {
cmd := NewStatusCmd("sentinel", "failover", name)
_ = c.Process(cmd)
return cmd
}
// Reset resets all the masters with matching name. The pattern argument is a
// glob-style pattern. The reset process clears any previous state in a master
// (including a failover in progress), and removes every slave and sentinel
// already discovered and associated with the master.
func (c *SentinelClient) Reset(pattern string) *IntCmd {
cmd := NewIntCmd("sentinel", "reset", pattern)
_ = c.Process(cmd)
return cmd
}
// FlushConfig forces Sentinel to rewrite its configuration on disk, including
// the current Sentinel state.
func (c *SentinelClient) FlushConfig() *StatusCmd {
cmd := NewStatusCmd("sentinel", "flushconfig")
_ = c.Process(cmd)
return cmd
}
// Master shows the state and info of the specified master.
func (c *SentinelClient) Master(name string) *StringStringMapCmd {
cmd := NewStringStringMapCmd("sentinel", "master", name)
_ = c.Process(cmd)
return cmd
}
// Masters shows a list of monitored masters and their state.
func (c *SentinelClient) Masters() *SliceCmd {
cmd := NewSliceCmd("sentinel", "masters")
_ = c.Process(cmd)
return cmd
}
// Slaves shows a list of slaves for the specified master and their state.
func (c *SentinelClient) Slaves(name string) *SliceCmd {
cmd := NewSliceCmd("sentinel", "slaves", name)
_ = c.Process(cmd)
return cmd
}
// CkQuorum checks if the current Sentinel configuration is able to reach the
// quorum needed to failover a master, and the majority needed to authorize the
// failover. This command should be used in monitoring systems to check if a
// Sentinel deployment is ok.
func (c *SentinelClient) CkQuorum(name string) *StringCmd {
cmd := NewStringCmd("sentinel", "ckquorum", name)
_ = c.Process(cmd)
return cmd
}
// Monitor tells the Sentinel to start monitoring a new master with the specified
// name, ip, port, and quorum.
func (c *SentinelClient) Monitor(name, ip, port, quorum string) *StringCmd {
cmd := NewStringCmd("sentinel", "monitor", name, ip, port, quorum)
_ = c.Process(cmd)
return cmd
}
// Set is used in order to change configuration parameters of a specific master.
func (c *SentinelClient) Set(name, option, value string) *StringCmd {
cmd := NewStringCmd("sentinel", "set", name, option, value)
_ = c.Process(cmd)
return cmd
}
// Remove is used in order to remove the specified master: the master will no
// longer be monitored, and will totally be removed from the internal state of
// the Sentinel.
func (c *SentinelClient) Remove(name string) *StringCmd {
cmd := NewStringCmd("sentinel", "remove", name)
_ = c.Process(cmd)
return cmd
}
type sentinelFailover struct {
sentinelAddrs []string
opt *Options
username string
password string
pool *pool.ConnPool
poolOnce sync.Once
mu sync.RWMutex
masterName string
_masterAddr string
sentinel *SentinelClient
pubsub *PubSub
}
func (c *sentinelFailover) Close() error {
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
return c.closeSentinel()
}
return nil
}
func (c *sentinelFailover) closeSentinel() error {
firstErr := c.pubsub.Close()
c.pubsub = nil
err := c.sentinel.Close()
if err != nil && firstErr == nil {
firstErr = err
}
c.sentinel = nil
return firstErr
}
func (c *sentinelFailover) Pool() *pool.ConnPool {
c.poolOnce.Do(func() {
opt := *c.opt
opt.Dialer = c.dial
c.pool = newConnPool(&opt)
})
return c.pool
}
func (c *sentinelFailover) dial(ctx context.Context, network, _ string) (net.Conn, error) {
addr, err := c.MasterAddr()
if err != nil {
return nil, err
}
if c.opt.Dialer != nil {
return c.opt.Dialer(ctx, network, addr)
}
return net.DialTimeout("tcp", addr, c.opt.DialTimeout)
}
func (c *sentinelFailover) MasterAddr() (string, error) {
addr, err := c.masterAddr()
if err != nil {
return "", err
}
c.switchMaster(addr)
return addr, nil
}
func (c *sentinelFailover) masterAddr() (string, error) {
c.mu.RLock()
sentinel := c.sentinel
c.mu.RUnlock()
if sentinel != nil {
addr := c.getMasterAddr(sentinel)
if addr != "" {
return addr, nil
}
}
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
addr := c.getMasterAddr(c.sentinel)
if addr != "" {
return addr, nil
}
_ = c.closeSentinel()
}
for i, sentinelAddr := range c.sentinelAddrs {
sentinel := NewSentinelClient(&Options{
Addr: sentinelAddr,
Dialer: c.opt.Dialer,
Username: c.username,
Password: c.password,
MaxRetries: c.opt.MaxRetries,
DialTimeout: c.opt.DialTimeout,
ReadTimeout: c.opt.ReadTimeout,
WriteTimeout: c.opt.WriteTimeout,
PoolSize: c.opt.PoolSize,
PoolTimeout: c.opt.PoolTimeout,
IdleTimeout: c.opt.IdleTimeout,
IdleCheckFrequency: c.opt.IdleCheckFrequency,
TLSConfig: c.opt.TLSConfig,
})
masterAddr, err := sentinel.GetMasterAddrByName(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: GetMasterAddrByName master=%q failed: %s",
c.masterName, err)
_ = sentinel.Close()
continue
}
// Push working sentinel to the top.
c.sentinelAddrs[0], c.sentinelAddrs[i] = c.sentinelAddrs[i], c.sentinelAddrs[0]
c.setSentinel(sentinel)
addr := net.JoinHostPort(masterAddr[0], masterAddr[1])
return addr, nil
}
return "", errors.New("redis: all sentinels are unreachable")
}
func (c *sentinelFailover) getMasterAddr(sentinel *SentinelClient) string {
addr, err := sentinel.GetMasterAddrByName(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: GetMasterAddrByName name=%q failed: %s",
c.masterName, err)
return ""
}
return net.JoinHostPort(addr[0], addr[1])
}
func (c *sentinelFailover) switchMaster(addr string) {
c.mu.RLock()
masterAddr := c._masterAddr
c.mu.RUnlock()
if masterAddr == addr {
return
}
c.mu.Lock()
defer c.mu.Unlock()
if c._masterAddr == addr {
return
}
internal.Logger.Printf("sentinel: new master=%q addr=%q",
c.masterName, addr)
_ = c.Pool().Filter(func(cn *pool.Conn) bool {
return cn.RemoteAddr().String() != addr
})
c._masterAddr = addr
}
func (c *sentinelFailover) setSentinel(sentinel *SentinelClient) {
if c.sentinel != nil {
panic("not reached")
}
c.sentinel = sentinel
c.discoverSentinels()
c.pubsub = sentinel.Subscribe("+switch-master")
go c.listen(c.pubsub)
}
func (c *sentinelFailover) discoverSentinels() {
sentinels, err := c.sentinel.Sentinels(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: Sentinels master=%q failed: %s", c.masterName, err)
return
}
for _, sentinel := range sentinels {
vals := sentinel.([]interface{})
for i := 0; i < len(vals); i += 2 {
key := vals[i].(string)
if key == "name" {
sentinelAddr := vals[i+1].(string)
if !contains(c.sentinelAddrs, sentinelAddr) {
internal.Logger.Printf("sentinel: discovered new sentinel=%q for master=%q",
sentinelAddr, c.masterName)
c.sentinelAddrs = append(c.sentinelAddrs, sentinelAddr)
}
}
}
}
}
func (c *sentinelFailover) listen(pubsub *PubSub) {
ch := pubsub.Channel()
for {
msg, ok := <-ch
if !ok {
break
}
if msg.Channel == "+switch-master" {
parts := strings.Split(msg.Payload, " ")
if parts[0] != c.masterName {
internal.Logger.Printf("sentinel: ignore addr for master=%q", parts[0])
continue
}
addr := net.JoinHostPort(parts[3], parts[4])
c.switchMaster(addr)
}
}
}
func contains(slice []string, str string) bool {
for _, s := range slice {
if s == str {
return true
}
}
return false
}

1
vendor/github.com/go-redis/redis/v7/.gitignore → vendor/github.com/go-redis/redis/v8/.gitignore generated vendored
View File

@ -1,2 +1,3 @@
*.rdb
testdata/*/
.idea/

9
vendor/github.com/go-redis/redis/v7/.golangci.yml → vendor/github.com/go-redis/redis/v8/.golangci.yml generated vendored
View File

@ -7,9 +7,18 @@ linters:
disable:
- funlen
- gochecknoglobals
- gochecknoinits
- gocognit
- goconst
- godox
- gosec
- maligned
- wsl
- gomnd
- goerr113
- exhaustive
- nestif
- nlreturn
- exhaustivestruct
- wrapcheck
- errorlint

4
vendor/github.com/go-redis/redis/v8/.prettierrc generated vendored Normal file
View File

@ -0,0 +1,4 @@
semi: false
singleQuote: true
proseWrap: always
printWidth: 100

20
vendor/github.com/go-redis/redis/v8/.travis.yml generated vendored Normal file
View File

@ -0,0 +1,20 @@
dist: xenial
language: go
services:
- redis-server
go:
- 1.14.x
- 1.15.x
- tip
matrix:
allow_failures:
- go: tip
go_import_path: github.com/go-redis/redis
before_install:
- curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s --
-b $(go env GOPATH)/bin v1.32.2

5
vendor/github.com/go-redis/redis/v8/CHANGELOG.md generated vendored Normal file
View File

@ -0,0 +1,5 @@
# Changelog
> :heart: [**Uptrace.dev** - distributed traces, logs, and errors in one place](https://uptrace.dev)
See https://redis.uptrace.dev/changelog/

0
vendor/github.com/go-redis/redis/v7/LICENSE → vendor/github.com/go-redis/redis/v8/LICENSE generated vendored
View File

7
vendor/github.com/go-redis/redis/v7/Makefile → vendor/github.com/go-redis/redis/v8/Makefile generated vendored
View File

@ -3,6 +3,7 @@ all: testdeps
go test ./... -short -race
go test ./... -run=NONE -bench=. -benchmem
env GOOS=linux GOARCH=386 go test ./...
go vet
golangci-lint run
testdeps: testdata/redis/src/redis-server
@ -18,3 +19,9 @@ testdata/redis:
testdata/redis/src/redis-server: testdata/redis
cd $< && make all
tag:
git tag $(VERSION)
git tag extra/rediscmd/$(VERSION)
git tag extra/redisotel/$(VERSION)
git tag extra/rediscensus/$(VERSION)

159
vendor/github.com/go-redis/redis/v8/README.md generated vendored Normal file
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@ -0,0 +1,159 @@
# Redis client for Golang
[![Build Status](https://travis-ci.org/go-redis/redis.png?branch=master)](https://travis-ci.org/go-redis/redis)
[![PkgGoDev](https://pkg.go.dev/badge/github.com/go-redis/redis/v8)](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc)
[![Documentation](https://img.shields.io/badge/redis-documentation-informational)](https://redis.uptrace.dev/)
[![Chat](https://discordapp.com/api/guilds/752070105847955518/widget.png)](https://discord.gg/rWtp5Aj)
> :heart: [**Uptrace.dev** - distributed traces, logs, and errors in one place](https://uptrace.dev)
- Join [Discord](https://discord.gg/rWtp5Aj) to ask questions.
- [Documentation](https://redis.uptrace.dev)
- [Reference](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc)
- [Examples](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#pkg-examples)
- [RealWorld example app](https://github.com/uptrace/go-treemux-realworld-example-app)
## Ecosystem
- [Redis Mock](https://github.com/go-redis/redismock).
- [Distributed Locks](https://github.com/bsm/redislock).
- [Redis Cache](https://github.com/go-redis/cache).
- [Rate limiting](https://github.com/go-redis/redis_rate).
## Features
- Redis 3 commands except QUIT, MONITOR, and SYNC.
- Automatic connection pooling with
[circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support.
- [Pub/Sub](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#PubSub).
- [Transactions](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-TxPipeline).
- [Pipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-Pipeline) and
[TxPipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-TxPipeline).
- [Scripting](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Script).
- [Timeouts](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Options).
- [Redis Sentinel](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewFailoverClient).
- [Redis Cluster](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewClusterClient).
- [Cluster of Redis Servers](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-NewClusterClient--ManualSetup)
without using cluster mode and Redis Sentinel.
- [Ring](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewRing).
- [Instrumentation](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#ex-package--Instrumentation).
## Installation
go-redis supports 2 last Go versions and requires a Go version with
[modules](https://github.com/golang/go/wiki/Modules) support. So make sure to initialize a Go
module:
```shell
go mod init github.com/my/repo
```
And then install go-redis/v8 (note _v8_ in the import; omitting it is a popular mistake):
```shell
go get github.com/go-redis/redis/v8
```
## Quickstart
```go
import (
"context"
"github.com/go-redis/redis/v8"
)
var ctx = context.Background()
func ExampleClient() {
rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
err := rdb.Set(ctx, "key", "value", 0).Err()
if err != nil {
panic(err)
}
val, err := rdb.Get(ctx, "key").Result()
if err != nil {
panic(err)
}
fmt.Println("key", val)
val2, err := rdb.Get(ctx, "key2").Result()
if err == redis.Nil {
fmt.Println("key2 does not exist")
} else if err != nil {
panic(err)
} else {
fmt.Println("key2", val2)
}
// Output: key value
// key2 does not exist
}
```
## Look and feel
Some corner cases:
```go
// SET key value EX 10 NX
set, err := rdb.SetNX(ctx, "key", "value", 10*time.Second).Result()
// SET key value keepttl NX
set, err := rdb.SetNX(ctx, "key", "value", redis.KeepTTL).Result()
// SORT list LIMIT 0 2 ASC
vals, err := rdb.Sort(ctx, "list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()
// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := rdb.ZRangeByScoreWithScores(ctx, "zset", &redis.ZRangeBy{
Min: "-inf",
Max: "+inf",
Offset: 0,
Count: 2,
}).Result()
// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := rdb.ZInterStore(ctx, "out", &redis.ZStore{
Keys: []string{"zset1", "zset2"},
Weights: []int64{2, 3}
}).Result()
// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := rdb.Eval(ctx, "return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()
// custom command
res, err := rdb.Do(ctx, "set", "key", "value").Result()
```
## Run the test
go-redis will start a redis-server and run the test cases.
The paths of redis-server bin file and redis config file are definded in `main_test.go`:
```
var (
redisServerBin, _ = filepath.Abs(filepath.Join("testdata", "redis", "src", "redis-server"))
redisServerConf, _ = filepath.Abs(filepath.Join("testdata", "redis", "redis.conf"))
)
```
For local testing, you can change the variables to refer to your local files, or create a soft link to the corresponding folder for redis-server and copy the config file to `testdata/redis/`:
```
ln -s /usr/bin/redis-server ./go-redis/testdata/redis/src
cp ./go-redis/testdata/redis.conf ./go-redis/testdata/redis/
```
Lastly, run:
```
go test
```
## See also
- [Fast and flexible HTTP router](https://github.com/vmihailenco/treemux)
- [Golang PostgreSQL ORM](https://github.com/go-pg/pg)
- [Golang msgpack](https://github.com/vmihailenco/msgpack)
- [Golang message task queue](https://github.com/vmihailenco/taskq)

441
vendor/github.com/go-redis/redis/v7/cluster.go → vendor/github.com/go-redis/redis/v8/cluster.go generated vendored
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25
vendor/github.com/go-redis/redis/v8/cluster_commands.go generated vendored Normal file
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@ -0,0 +1,25 @@
package redis
import (
"context"
"sync/atomic"
)
func (c *ClusterClient) DBSize(ctx context.Context) *IntCmd {
cmd := NewIntCmd(ctx, "dbsize")
var size int64
err := c.ForEachMaster(ctx, func(ctx context.Context, master *Client) error {
n, err := master.DBSize(ctx).Result()
if err != nil {
return err
}
atomic.AddInt64(&size, n)
return nil
})
if err != nil {
cmd.SetErr(err)
return cmd
}
cmd.val = size
return cmd
}

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vendor/github.com/go-redis/redis/v7/command.go → vendor/github.com/go-redis/redis/v8/command.go generated vendored
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2790
vendor/github.com/go-redis/redis/v8/commands.go generated vendored Normal file
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0
vendor/github.com/go-redis/redis/v7/doc.go → vendor/github.com/go-redis/redis/v8/doc.go generated vendored
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35
vendor/github.com/go-redis/redis/v7/error.go → vendor/github.com/go-redis/redis/v8/error.go generated vendored
View File

@ -6,8 +6,8 @@ import (
"net"
"strings"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
var ErrClosed = pool.ErrClosed
@ -24,15 +24,16 @@ type Error interface {
var _ Error = proto.RedisError("")
func isRetryableError(err error, retryTimeout bool) bool {
func shouldRetry(err error, retryTimeout bool) bool {
switch err {
case io.EOF, io.ErrUnexpectedEOF:
return true
case nil, context.Canceled, context.DeadlineExceeded:
return false
case io.EOF:
return true
}
if netErr, ok := err.(net.Error); ok {
if netErr.Timeout() {
if v, ok := err.(timeoutError); ok {
if v.Timeout() {
return retryTimeout
}
return true
@ -51,6 +52,10 @@ func isRetryableError(err error, retryTimeout bool) bool {
if strings.HasPrefix(s, "CLUSTERDOWN ") {
return true
}
if strings.HasPrefix(s, "TRYAGAIN ") {
return true
}
return false
}
@ -60,19 +65,25 @@ func isRedisError(err error) bool {
}
func isBadConn(err error, allowTimeout bool) bool {
if err == nil {
switch err {
case nil:
return false
case context.Canceled, context.DeadlineExceeded:
return true
}
if isRedisError(err) {
// Close connections in read only state in case domain addr is used
// and domain resolves to a different Redis Server. See #790.
return isReadOnlyError(err)
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
return false
return !netErr.Temporary()
}
}
return true
}
@ -106,3 +117,9 @@ func isLoadingError(err error) bool {
func isReadOnlyError(err error) bool {
return strings.HasPrefix(err.Error(), "READONLY ")
}
//------------------------------------------------------------------------------
type timeoutError interface {
Timeout() bool
}

11
vendor/github.com/go-redis/redis/v8/go.mod generated vendored Normal file
View File

@ -0,0 +1,11 @@
module github.com/go-redis/redis/v8
go 1.13
require (
github.com/cespare/xxhash/v2 v2.1.1
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f
github.com/onsi/ginkgo v1.15.0
github.com/onsi/gomega v1.10.5
go.opentelemetry.io/otel v0.16.0
)

97
vendor/github.com/go-redis/redis/v8/go.sum generated vendored Normal file
View File

@ -0,0 +1,97 @@
github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
github.com/onsi/ginkgo v1.14.2 h1:8mVmC9kjFFmA8H4pKMUhcblgifdkOIXPvbhN1T36q1M=
github.com/onsi/ginkgo v1.14.2/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY=
github.com/onsi/ginkgo v1.15.0/go.mod h1:hF8qUzuuC8DJGygJH3726JnCZX4MYbRB8yFfISqnKUg=
github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/onsi/gomega v1.10.4 h1:NiTx7EEvBzu9sFOD1zORteLSt3o8gnlvZZwSE9TnY9U=
github.com/onsi/gomega v1.10.4/go.mod h1:g/HbgYopi++010VEqkFgJHKC09uJiW9UkXvMUuKHUCQ=
github.com/onsi/gomega v1.10.5/go.mod h1:gza4q3jKQJijlu05nKWRCW/GavJumGt8aNRxWg7mt48=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.opentelemetry.io/otel v0.16.0 h1:uIWEbdeb4vpKPGITLsRVUS44L5oDbDUCZxn8lkxhmgw=
go.opentelemetry.io/otel v0.16.0/go.mod h1:e4GKElweB8W2gWUqbghw0B8t5MCTccc9212eNHnOHwA=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb h1:eBmm0M9fYhWpKZLjQUUKka/LtIxf46G4fxeEz5KJr9U=
golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

56
vendor/github.com/go-redis/redis/v8/internal/arg.go generated vendored Normal file
View File

@ -0,0 +1,56 @@
package internal
import (
"fmt"
"strconv"
"time"
)
func AppendArg(b []byte, v interface{}) []byte {
switch v := v.(type) {
case nil:
return append(b, "<nil>"...)
case string:
return appendUTF8String(b, Bytes(v))
case []byte:
return appendUTF8String(b, v)
case int:
return strconv.AppendInt(b, int64(v), 10)
case int8:
return strconv.AppendInt(b, int64(v), 10)
case int16:
return strconv.AppendInt(b, int64(v), 10)
case int32:
return strconv.AppendInt(b, int64(v), 10)
case int64:
return strconv.AppendInt(b, v, 10)
case uint:
return strconv.AppendUint(b, uint64(v), 10)
case uint8:
return strconv.AppendUint(b, uint64(v), 10)
case uint16:
return strconv.AppendUint(b, uint64(v), 10)
case uint32:
return strconv.AppendUint(b, uint64(v), 10)
case uint64:
return strconv.AppendUint(b, v, 10)
case float32:
return strconv.AppendFloat(b, float64(v), 'f', -1, 64)
case float64:
return strconv.AppendFloat(b, v, 'f', -1, 64)
case bool:
if v {
return append(b, "true"...)
}
return append(b, "false"...)
case time.Time:
return v.AppendFormat(b, time.RFC3339Nano)
default:
return append(b, fmt.Sprint(v)...)
}
}
func appendUTF8String(dst []byte, src []byte) []byte {
dst = append(dst, src...)
return dst
}

3
vendor/github.com/go-redis/redis/v7/internal/hashtag/hashtag.go → vendor/github.com/go-redis/redis/v8/internal/hashtag/hashtag.go generated vendored
View File

@ -1,8 +1,9 @@
package hashtag
import (
"math/rand"
"strings"
"github.com/go-redis/redis/v8/internal/rand"
)
const slotNumber = 16384

151
vendor/github.com/go-redis/redis/v8/internal/hscan/hscan.go generated vendored Normal file
View File

@ -0,0 +1,151 @@
package hscan
import (
"errors"
"fmt"
"reflect"
"strconv"
)
// decoderFunc represents decoding functions for default built-in types.
type decoderFunc func(reflect.Value, string) error
var (
// List of built-in decoders indexed by their numeric constant values (eg: reflect.Bool = 1).
decoders = []decoderFunc{
reflect.Bool: decodeBool,
reflect.Int: decodeInt,
reflect.Int8: decodeInt,
reflect.Int16: decodeInt,
reflect.Int32: decodeInt,
reflect.Int64: decodeInt,
reflect.Uint: decodeUint,
reflect.Uint8: decodeUint,
reflect.Uint16: decodeUint,
reflect.Uint32: decodeUint,
reflect.Uint64: decodeUint,
reflect.Float32: decodeFloat,
reflect.Float64: decodeFloat,
reflect.Complex64: decodeUnsupported,
reflect.Complex128: decodeUnsupported,
reflect.Array: decodeUnsupported,
reflect.Chan: decodeUnsupported,
reflect.Func: decodeUnsupported,
reflect.Interface: decodeUnsupported,
reflect.Map: decodeUnsupported,
reflect.Ptr: decodeUnsupported,
reflect.Slice: decodeSlice,
reflect.String: decodeString,
reflect.Struct: decodeUnsupported,
reflect.UnsafePointer: decodeUnsupported,
}
// Global map of struct field specs that is populated once for every new
// struct type that is scanned. This caches the field types and the corresponding
// decoder functions to avoid iterating through struct fields on subsequent scans.
globalStructMap = newStructMap()
)
func Struct(dst interface{}) (StructValue, error) {
v := reflect.ValueOf(dst)
// The dstination to scan into should be a struct pointer.
if v.Kind() != reflect.Ptr || v.IsNil() {
return StructValue{}, fmt.Errorf("redis.Scan(non-pointer %T)", dst)
}
v = v.Elem()
if v.Kind() != reflect.Struct {
return StructValue{}, fmt.Errorf("redis.Scan(non-struct %T)", dst)
}
return StructValue{
spec: globalStructMap.get(v.Type()),
value: v,
}, nil
}
// Scan scans the results from a key-value Redis map result set to a destination struct.
// The Redis keys are matched to the struct's field with the `redis` tag.
func Scan(dst interface{}, keys []interface{}, vals []interface{}) error {
if len(keys) != len(vals) {
return errors.New("args should have the same number of keys and vals")
}
strct, err := Struct(dst)
if err != nil {
return err
}
// Iterate through the (key, value) sequence.
for i := 0; i < len(vals); i++ {
key, ok := keys[i].(string)
if !ok {
continue
}
val, ok := vals[i].(string)
if !ok {
continue
}
if err := strct.Scan(key, val); err != nil {
return err
}
}
return nil
}
func decodeBool(f reflect.Value, s string) error {
b, err := strconv.ParseBool(s)
if err != nil {
return err
}
f.SetBool(b)
return nil
}
func decodeInt(f reflect.Value, s string) error {
v, err := strconv.ParseInt(s, 10, 0)
if err != nil {
return err
}
f.SetInt(v)
return nil
}
func decodeUint(f reflect.Value, s string) error {
v, err := strconv.ParseUint(s, 10, 0)
if err != nil {
return err
}
f.SetUint(v)
return nil
}
func decodeFloat(f reflect.Value, s string) error {
v, err := strconv.ParseFloat(s, 0)
if err != nil {
return err
}
f.SetFloat(v)
return nil
}
func decodeString(f reflect.Value, s string) error {
f.SetString(s)
return nil
}
func decodeSlice(f reflect.Value, s string) error {
// []byte slice ([]uint8).
if f.Type().Elem().Kind() == reflect.Uint8 {
f.SetBytes([]byte(s))
}
return nil
}
func decodeUnsupported(v reflect.Value, s string) error {
return fmt.Errorf("redis.Scan(unsupported %s)", v.Type())
}

87
vendor/github.com/go-redis/redis/v8/internal/hscan/structmap.go generated vendored Normal file
View File

@ -0,0 +1,87 @@
package hscan
import (
"reflect"
"strings"
"sync"
)
// structMap contains the map of struct fields for target structs
// indexed by the struct type.
type structMap struct {
m sync.Map
}
func newStructMap() *structMap {
return new(structMap)
}
func (s *structMap) get(t reflect.Type) *structSpec {
if v, ok := s.m.Load(t); ok {
return v.(*structSpec)
}
spec := newStructSpec(t, "redis")
s.m.Store(t, spec)
return spec
}
//------------------------------------------------------------------------------
// structSpec contains the list of all fields in a target struct.
type structSpec struct {
m map[string]*structField
}
func (s *structSpec) set(tag string, sf *structField) {
s.m[tag] = sf
}
func newStructSpec(t reflect.Type, fieldTag string) *structSpec {
out := &structSpec{
m: make(map[string]*structField),
}
num := t.NumField()
for i := 0; i < num; i++ {
f := t.Field(i)
tag := f.Tag.Get(fieldTag)
if tag == "" || tag == "-" {
continue
}
tag = strings.Split(tag, ",")[0]
if tag == "" {
continue
}
// Use the built-in decoder.
out.set(tag, &structField{index: i, fn: decoders[f.Type.Kind()]})
}
return out
}
//------------------------------------------------------------------------------
// structField represents a single field in a target struct.
type structField struct {
index int
fn decoderFunc
}
//------------------------------------------------------------------------------
type StructValue struct {
spec *structSpec
value reflect.Value
}
func (s StructValue) Scan(key string, value string) error {
field, ok := s.spec.m[key]
if !ok {
return nil
}
return field.fn(s.value.Field(field.index), value)
}

33
vendor/github.com/go-redis/redis/v8/internal/instruments.go generated vendored Normal file
View File

@ -0,0 +1,33 @@
package internal
import (
"context"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/metric"
)
var (
// WritesCounter is a count of write commands performed.
WritesCounter metric.Int64Counter
// NewConnectionsCounter is a count of new connections.
NewConnectionsCounter metric.Int64Counter
)
func init() {
defer func() {
if r := recover(); r != nil {
Logger.Printf(context.Background(), "Error creating meter github.com/go-redis/redis for Instruments", r)
}
}()
meter := metric.Must(otel.Meter("github.com/go-redis/redis"))
WritesCounter = meter.NewInt64Counter("redis.writes",
metric.WithDescription("the number of writes initiated"),
)
NewConnectionsCounter = meter.NewInt64Counter("redis.new_connections",
metric.WithDescription("the number of connections created"),
)
}

29
vendor/github.com/go-redis/redis/v8/internal/internal.go generated vendored Normal file
View File

@ -0,0 +1,29 @@
package internal
import (
"time"
"github.com/go-redis/redis/v8/internal/rand"
)
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
panic("not reached")
}
if minBackoff == 0 {
return 0
}
d := minBackoff << uint(retry)
if d < minBackoff {
return maxBackoff
}
d = minBackoff + time.Duration(rand.Int63n(int64(d)))
if d > maxBackoff || d < minBackoff {
d = maxBackoff
}
return d
}

24
vendor/github.com/go-redis/redis/v8/internal/log.go generated vendored Normal file
View File

@ -0,0 +1,24 @@
package internal
import (
"context"
"fmt"
"log"
"os"
)
type Logging interface {
Printf(ctx context.Context, format string, v ...interface{})
}
type logger struct {
log *log.Logger
}
func (l *logger) Printf(ctx context.Context, format string, v ...interface{}) {
_ = l.log.Output(2, fmt.Sprintf(format, v...))
}
var Logger Logging = &logger{
log: log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile),
}

0
vendor/github.com/go-redis/redis/v7/internal/once.go → vendor/github.com/go-redis/redis/v8/internal/once.go generated vendored
View File

52
vendor/github.com/go-redis/redis/v7/internal/pool/conn.go → vendor/github.com/go-redis/redis/v8/internal/pool/conn.go generated vendored
View File

@ -1,26 +1,30 @@
package pool
import (
"bufio"
"context"
"net"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/proto"
"go.opentelemetry.io/otel/trace"
)
var noDeadline = time.Time{}
type Conn struct {
usedAt int64 // atomic
netConn net.Conn
rd *proto.Reader
bw *bufio.Writer
wr *proto.Writer
Inited bool
pooled bool
createdAt time.Time
usedAt int64 // atomic
}
func NewConn(netConn net.Conn) *Conn {
@ -29,7 +33,8 @@ func NewConn(netConn net.Conn) *Conn {
createdAt: time.Now(),
}
cn.rd = proto.NewReader(netConn)
cn.wr = proto.NewWriter(netConn)
cn.bw = bufio.NewWriter(netConn)
cn.wr = proto.NewWriter(cn.bw)
cn.SetUsedAt(time.Now())
return cn
}
@ -46,7 +51,7 @@ func (cn *Conn) SetUsedAt(tm time.Time) {
func (cn *Conn) SetNetConn(netConn net.Conn) {
cn.netConn = netConn
cn.rd.Reset(netConn)
cn.wr.Reset(netConn)
cn.bw.Reset(netConn)
}
func (cn *Conn) Write(b []byte) (int, error) {
@ -54,35 +59,48 @@ func (cn *Conn) Write(b []byte) (int, error) {
}
func (cn *Conn) RemoteAddr() net.Addr {
if cn.netConn != nil {
return cn.netConn.RemoteAddr()
}
return nil
}
func (cn *Conn) WithReader(ctx context.Context, timeout time.Duration, fn func(rd *proto.Reader) error) error {
err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout))
if err != nil {
return err
return internal.WithSpan(ctx, "redis.with_reader", func(ctx context.Context, span trace.Span) error {
if err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout)); err != nil {
return internal.RecordError(ctx, span, err)
}
return fn(cn.rd)
if err := fn(cn.rd); err != nil {
return internal.RecordError(ctx, span, err)
}
return nil
})
}
func (cn *Conn) WithWriter(
ctx context.Context, timeout time.Duration, fn func(wr *proto.Writer) error,
) error {
err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout))
if err != nil {
return err
return internal.WithSpan(ctx, "redis.with_writer", func(ctx context.Context, span trace.Span) error {
if err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout)); err != nil {
return internal.RecordError(ctx, span, err)
}
if cn.wr.Buffered() > 0 {
cn.wr.Reset(cn.netConn)
if cn.bw.Buffered() > 0 {
cn.bw.Reset(cn.netConn)
}
err = fn(cn.wr)
if err != nil {
return err
if err := fn(cn.wr); err != nil {
return internal.RecordError(ctx, span, err)
}
return cn.wr.Flush()
if err := cn.bw.Flush(); err != nil {
return internal.RecordError(ctx, span, err)
}
internal.WritesCounter.Add(ctx, 1)
return nil
})
}
func (cn *Conn) Close() error {

52
vendor/github.com/go-redis/redis/v7/internal/pool/pool.go → vendor/github.com/go-redis/redis/v8/internal/pool/pool.go generated vendored
View File

@ -8,11 +8,13 @@ import (
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v8/internal"
)
var ErrClosed = errors.New("redis: client is closed")
var ErrPoolTimeout = errors.New("redis: connection pool timeout")
var (
ErrClosed = errors.New("redis: client is closed")
ErrPoolTimeout = errors.New("redis: connection pool timeout")
)
var timers = sync.Pool{
New: func() interface{} {
@ -38,8 +40,8 @@ type Pooler interface {
CloseConn(*Conn) error
Get(context.Context) (*Conn, error)
Put(*Conn)
Remove(*Conn, error)
Put(context.Context, *Conn)
Remove(context.Context, *Conn, error)
Len() int
IdleLen() int
@ -60,13 +62,16 @@ type Options struct {
IdleCheckFrequency time.Duration
}
type lastDialErrorWrap struct {
err error
}
type ConnPool struct {
opt *Options
dialErrorsNum uint32 // atomic
lastDialErrorMu sync.RWMutex
lastDialError error
lastDialError atomic.Value
queue chan struct{}
@ -158,6 +163,7 @@ func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
}
}
p.connsMu.Unlock()
return cn, nil
}
@ -179,6 +185,7 @@ func (p *ConnPool) dialConn(ctx context.Context, pooled bool) (*Conn, error) {
return nil, err
}
internal.NewConnectionsCounter.Add(ctx, 1)
cn := NewConn(netConn)
cn.pooled = pooled
return cn, nil
@ -204,16 +211,15 @@ func (p *ConnPool) tryDial() {
}
func (p *ConnPool) setLastDialError(err error) {
p.lastDialErrorMu.Lock()
p.lastDialError = err
p.lastDialErrorMu.Unlock()
p.lastDialError.Store(&lastDialErrorWrap{err: err})
}
func (p *ConnPool) getLastDialError() error {
p.lastDialErrorMu.RLock()
err := p.lastDialError
p.lastDialErrorMu.RUnlock()
return err
err, _ := p.lastDialError.Load().(*lastDialErrorWrap)
if err != nil {
return err.err
}
return nil
}
// Get returns existed connection from the pool or creates a new one.
@ -313,15 +319,15 @@ func (p *ConnPool) popIdle() *Conn {
return cn
}
func (p *ConnPool) Put(cn *Conn) {
func (p *ConnPool) Put(ctx context.Context, cn *Conn) {
if cn.rd.Buffered() > 0 {
internal.Logger.Printf("Conn has unread data")
p.Remove(cn, BadConnError{})
internal.Logger.Printf(ctx, "Conn has unread data")
p.Remove(ctx, cn, BadConnError{})
return
}
if !cn.pooled {
p.Remove(cn, nil)
p.Remove(ctx, cn, nil)
return
}
@ -332,7 +338,7 @@ func (p *ConnPool) Put(cn *Conn) {
p.freeTurn()
}
func (p *ConnPool) Remove(cn *Conn, reason error) {
func (p *ConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.removeConnWithLock(cn)
p.freeTurn()
_ = p.closeConn(cn)
@ -403,8 +409,10 @@ func (p *ConnPool) closed() bool {
}
func (p *ConnPool) Filter(fn func(*Conn) bool) error {
var firstErr error
p.connsMu.Lock()
defer p.connsMu.Unlock()
var firstErr error
for _, cn := range p.conns {
if fn(cn) {
if err := p.closeConn(cn); err != nil && firstErr == nil {
@ -412,7 +420,6 @@ func (p *ConnPool) Filter(fn func(*Conn) bool) error {
}
}
}
p.connsMu.Unlock()
return firstErr
}
@ -453,7 +460,7 @@ func (p *ConnPool) reaper(frequency time.Duration) {
}
_, err := p.ReapStaleConns()
if err != nil {
internal.Logger.Printf("ReapStaleConns failed: %s", err)
internal.Logger.Printf(context.Background(), "ReapStaleConns failed: %s", err)
continue
}
case <-p.closedCh:
@ -470,6 +477,7 @@ func (p *ConnPool) ReapStaleConns() (int, error) {
p.connsMu.Lock()
cn := p.reapStaleConn()
p.connsMu.Unlock()
p.freeTurn()
if cn != nil {

58
vendor/github.com/go-redis/redis/v8/internal/pool/pool_single.go generated vendored Normal file
View File

@ -0,0 +1,58 @@
package pool
import "context"
type SingleConnPool struct {
pool Pooler
cn *Conn
stickyErr error
}
var _ Pooler = (*SingleConnPool)(nil)
func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool {
return &SingleConnPool{
pool: pool,
cn: cn,
}
}
func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *SingleConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
if p.stickyErr != nil {
return nil, p.stickyErr
}
return p.cn, nil
}
func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {}
func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.cn = nil
p.stickyErr = reason
}
func (p *SingleConnPool) Close() error {
p.cn = nil
p.stickyErr = ErrClosed
return nil
}
func (p *SingleConnPool) Len() int {
return 0
}
func (p *SingleConnPool) IdleLen() int {
return 0
}
func (p *SingleConnPool) Stats() *Stats {
return &Stats{}
}

110
vendor/github.com/go-redis/redis/v7/internal/pool/pool_single.go → vendor/github.com/go-redis/redis/v8/internal/pool/pool_sticky.go generated vendored
View File

@ -2,6 +2,7 @@ package pool
import (
"context"
"errors"
"fmt"
"sync/atomic"
)
@ -30,9 +31,11 @@ func (e BadConnError) Unwrap() error {
return e.wrapped
}
type SingleConnPool struct {
//------------------------------------------------------------------------------
type StickyConnPool struct {
pool Pooler
level int32 // atomic
shared int32 // atomic
state uint32 // atomic
ch chan *Conn
@ -40,37 +43,29 @@ type SingleConnPool struct {
_badConnError atomic.Value
}
var _ Pooler = (*SingleConnPool)(nil)
var _ Pooler = (*StickyConnPool)(nil)
func NewSingleConnPool(pool Pooler) *SingleConnPool {
p, ok := pool.(*SingleConnPool)
func NewStickyConnPool(pool Pooler) *StickyConnPool {
p, ok := pool.(*StickyConnPool)
if !ok {
p = &SingleConnPool{
p = &StickyConnPool{
pool: pool,
ch: make(chan *Conn, 1),
}
}
atomic.AddInt32(&p.level, 1)
atomic.AddInt32(&p.shared, 1)
return p
}
func (p *SingleConnPool) SetConn(cn *Conn) {
if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
p.ch <- cn
} else {
panic("not reached")
}
}
func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
func (p *StickyConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *SingleConnPool) CloseConn(cn *Conn) error {
func (p *StickyConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
// In worst case this races with Close which is not a very common operation.
for i := 0; i < 1000; i++ {
switch atomic.LoadUint32(&p.state) {
@ -82,7 +77,7 @@ func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
return cn, nil
}
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
case stateInited:
if err := p.badConnError(); err != nil {
return nil, err
@ -98,60 +93,38 @@ func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
panic("not reached")
}
}
return nil, fmt.Errorf("redis: SingleConnPool.Get: infinite loop")
return nil, fmt.Errorf("redis: StickyConnPool.Get: infinite loop")
}
func (p *SingleConnPool) Put(cn *Conn) {
func (p *StickyConnPool) Put(ctx context.Context, cn *Conn) {
defer func() {
if recover() != nil {
p.freeConn(cn)
p.freeConn(ctx, cn)
}
}()
p.ch <- cn
}
func (p *SingleConnPool) freeConn(cn *Conn) {
func (p *StickyConnPool) freeConn(ctx context.Context, cn *Conn) {
if err := p.badConnError(); err != nil {
p.pool.Remove(cn, err)
p.pool.Remove(ctx, cn, err)
} else {
p.pool.Put(cn)
p.pool.Put(ctx, cn)
}
}
func (p *SingleConnPool) Remove(cn *Conn, reason error) {
func (p *StickyConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
defer func() {
if recover() != nil {
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
}
}()
p._badConnError.Store(BadConnError{wrapped: reason})
p.ch <- cn
}
func (p *SingleConnPool) Len() int {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
return 0
case stateInited:
return 1
case stateClosed:
return 0
default:
panic("not reached")
}
}
func (p *SingleConnPool) IdleLen() int {
return len(p.ch)
}
func (p *SingleConnPool) Stats() *Stats {
return &Stats{}
}
func (p *SingleConnPool) Close() error {
level := atomic.AddInt32(&p.level, -1)
if level > 0 {
func (p *StickyConnPool) Close() error {
if shared := atomic.AddInt32(&p.shared, -1); shared > 0 {
return nil
}
@ -164,16 +137,16 @@ func (p *SingleConnPool) Close() error {
close(p.ch)
cn, ok := <-p.ch
if ok {
p.freeConn(cn)
p.freeConn(context.TODO(), cn)
}
return nil
}
}
return fmt.Errorf("redis: SingleConnPool.Close: infinite loop")
return errors.New("redis: StickyConnPool.Close: infinite loop")
}
func (p *SingleConnPool) Reset() error {
func (p *StickyConnPool) Reset(ctx context.Context) error {
if p.badConnError() == nil {
return nil
}
@ -183,21 +156,21 @@ func (p *SingleConnPool) Reset() error {
if !ok {
return ErrClosed
}
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
p._badConnError.Store(BadConnError{wrapped: nil})
default:
return fmt.Errorf("redis: SingleConnPool does not have a Conn")
return errors.New("redis: StickyConnPool does not have a Conn")
}
if !atomic.CompareAndSwapUint32(&p.state, stateInited, stateDefault) {
state := atomic.LoadUint32(&p.state)
return fmt.Errorf("redis: invalid SingleConnPool state: %d", state)
return fmt.Errorf("redis: invalid StickyConnPool state: %d", state)
}
return nil
}
func (p *SingleConnPool) badConnError() error {
func (p *StickyConnPool) badConnError() error {
if v := p._badConnError.Load(); v != nil {
err := v.(BadConnError)
if err.wrapped != nil {
@ -206,3 +179,24 @@ func (p *SingleConnPool) badConnError() error {
}
return nil
}
func (p *StickyConnPool) Len() int {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
return 0
case stateInited:
return 1
case stateClosed:
return 0
default:
panic("not reached")
}
}
func (p *StickyConnPool) IdleLen() int {
return len(p.ch)
}
func (p *StickyConnPool) Stats() *Stats {
return &Stats{}
}

29
vendor/github.com/go-redis/redis/v7/internal/proto/reader.go → vendor/github.com/go-redis/redis/v8/internal/proto/reader.go generated vendored
View File

@ -5,7 +5,7 @@ import (
"fmt"
"io"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
const (
@ -71,13 +71,25 @@ func (r *Reader) ReadLine() ([]byte, error) {
func (r *Reader) readLine() ([]byte, error) {
b, err := r.rd.ReadSlice('\n')
if err != nil {
if err != bufio.ErrBufferFull {
return nil, err
}
full := make([]byte, len(b))
copy(full, b)
b, err = r.rd.ReadBytes('\n')
if err != nil {
return nil, err
}
full = append(full, b...)
b = full
}
if len(b) <= 2 || b[len(b)-1] != '\n' || b[len(b)-2] != '\r' {
return nil, fmt.Errorf("redis: invalid reply: %q", b)
}
b = b[:len(b)-2]
return b, nil
return b[:len(b)-2], nil
}
func (r *Reader) ReadReply(m MultiBulkParse) (interface{}, error) {
@ -181,7 +193,7 @@ func (r *Reader) ReadArrayReply(m MultiBulkParse) (interface{}, error) {
}
}
func (r *Reader) ReadArrayLen() (int64, error) {
func (r *Reader) ReadArrayLen() (int, error) {
line, err := r.ReadLine()
if err != nil {
return 0, err
@ -190,7 +202,11 @@ func (r *Reader) ReadArrayLen() (int64, error) {
case ErrorReply:
return 0, ParseErrorReply(line)
case ArrayReply:
return parseArrayLen(line)
n, err := parseArrayLen(line)
if err != nil {
return 0, err
}
return int(n), nil
default:
return 0, fmt.Errorf("redis: can't parse array reply: %.100q", line)
}
@ -216,7 +232,8 @@ func (r *Reader) ReadScanReply() ([]string, uint64, error) {
}
keys := make([]string, n)
for i := int64(0); i < n; i++ {
for i := 0; i < n; i++ {
key, err := r.ReadString()
if err != nil {
return nil, 0, err

11
vendor/github.com/go-redis/redis/v7/internal/proto/scan.go → vendor/github.com/go-redis/redis/v8/internal/proto/scan.go generated vendored
View File

@ -4,10 +4,13 @@ import (
"encoding"
"fmt"
"reflect"
"time"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
// Scan parses bytes `b` to `v` with appropriate type.
// nolint: gocyclo
func Scan(b []byte, v interface{}) error {
switch v := v.(type) {
case nil:
@ -99,6 +102,10 @@ func Scan(b []byte, v interface{}) error {
case *bool:
*v = len(b) == 1 && b[0] == '1'
return nil
case *time.Time:
var err error
*v, err = time.Parse(time.RFC3339Nano, util.BytesToString(b))
return err
case encoding.BinaryUnmarshaler:
return v.UnmarshalBinary(b)
default:
@ -124,7 +131,7 @@ func ScanSlice(data []string, slice interface{}) error {
for i, s := range data {
elem := next()
if err := Scan([]byte(s), elem.Addr().Interface()); err != nil {
err = fmt.Errorf("redis: ScanSlice index=%d value=%q failed: %s", i, s, err)
err = fmt.Errorf("redis: ScanSlice index=%d value=%q failed: %w", i, s, err)
return err
}
}

58
vendor/github.com/go-redis/redis/v7/internal/proto/writer.go → vendor/github.com/go-redis/redis/v8/internal/proto/writer.go generated vendored
View File

@ -1,26 +1,32 @@
package proto
import (
"bufio"
"encoding"
"fmt"
"io"
"strconv"
"time"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
type writer interface {
io.Writer
io.ByteWriter
// io.StringWriter
WriteString(s string) (n int, err error)
}
type Writer struct {
wr *bufio.Writer
writer
lenBuf []byte
numBuf []byte
}
func NewWriter(wr io.Writer) *Writer {
func NewWriter(wr writer) *Writer {
return &Writer{
wr: bufio.NewWriter(wr),
writer: wr,
lenBuf: make([]byte, 64),
numBuf: make([]byte, 64),
@ -28,19 +34,16 @@ func NewWriter(wr io.Writer) *Writer {
}
func (w *Writer) WriteArgs(args []interface{}) error {
err := w.wr.WriteByte(ArrayReply)
if err != nil {
if err := w.WriteByte(ArrayReply); err != nil {
return err
}
err = w.writeLen(len(args))
if err != nil {
if err := w.writeLen(len(args)); err != nil {
return err
}
for _, arg := range args {
err := w.writeArg(arg)
if err != nil {
if err := w.WriteArg(arg); err != nil {
return err
}
}
@ -51,11 +54,11 @@ func (w *Writer) WriteArgs(args []interface{}) error {
func (w *Writer) writeLen(n int) error {
w.lenBuf = strconv.AppendUint(w.lenBuf[:0], uint64(n), 10)
w.lenBuf = append(w.lenBuf, '\r', '\n')
_, err := w.wr.Write(w.lenBuf)
_, err := w.Write(w.lenBuf)
return err
}
func (w *Writer) writeArg(v interface{}) error {
func (w *Writer) WriteArg(v interface{}) error {
switch v := v.(type) {
case nil:
return w.string("")
@ -93,7 +96,8 @@ func (w *Writer) writeArg(v interface{}) error {
}
return w.int(0)
case time.Time:
return w.string(v.Format(time.RFC3339Nano))
w.numBuf = v.AppendFormat(w.numBuf[:0], time.RFC3339Nano)
return w.bytes(w.numBuf)
case encoding.BinaryMarshaler:
b, err := v.MarshalBinary()
if err != nil {
@ -107,18 +111,15 @@ func (w *Writer) writeArg(v interface{}) error {
}
func (w *Writer) bytes(b []byte) error {
err := w.wr.WriteByte(StringReply)
if err != nil {
if err := w.WriteByte(StringReply); err != nil {
return err
}
err = w.writeLen(len(b))
if err != nil {
if err := w.writeLen(len(b)); err != nil {
return err
}
_, err = w.wr.Write(b)
if err != nil {
if _, err := w.Write(b); err != nil {
return err
}
@ -145,21 +146,8 @@ func (w *Writer) float(f float64) error {
}
func (w *Writer) crlf() error {
err := w.wr.WriteByte('\r')
if err != nil {
if err := w.WriteByte('\r'); err != nil {
return err
}
return w.wr.WriteByte('\n')
}
func (w *Writer) Buffered() int {
return w.wr.Buffered()
}
func (w *Writer) Reset(wr io.Writer) {
w.wr.Reset(wr)
}
func (w *Writer) Flush() error {
return w.wr.Flush()
return w.WriteByte('\n')
}

45
vendor/github.com/go-redis/redis/v8/internal/rand/rand.go generated vendored Normal file
View File

@ -0,0 +1,45 @@
package rand
import (
"math/rand"
"sync"
)
// Int returns a non-negative pseudo-random int.
func Int() int { return pseudo.Int() }
// Intn returns, as an int, a non-negative pseudo-random number in [0,n).
// It panics if n <= 0.
func Intn(n int) int { return pseudo.Intn(n) }
// Int63n returns, as an int64, a non-negative pseudo-random number in [0,n).
// It panics if n <= 0.
func Int63n(n int64) int64 { return pseudo.Int63n(n) }
// Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n).
func Perm(n int) []int { return pseudo.Perm(n) }
// Seed uses the provided seed value to initialize the default Source to a
// deterministic state. If Seed is not called, the generator behaves as if
// seeded by Seed(1).
func Seed(n int64) { pseudo.Seed(n) }
var pseudo = rand.New(&source{src: rand.NewSource(1)})
type source struct {
src rand.Source
mu sync.Mutex
}
func (s *source) Int63() int64 {
s.mu.Lock()
n := s.src.Int63()
s.mu.Unlock()
return n
}
func (s *source) Seed(seed int64) {
s.mu.Lock()
s.src.Seed(seed)
s.mu.Unlock()
}

11
vendor/github.com/go-redis/redis/v8/internal/safe.go generated vendored Normal file
View File

@ -0,0 +1,11 @@
// +build appengine
package internal
func String(b []byte) string {
return string(b)
}
func Bytes(s string) []byte {
return []byte(s)
}

20
vendor/github.com/go-redis/redis/v8/internal/unsafe.go generated vendored Normal file
View File

@ -0,0 +1,20 @@
// +build !appengine
package internal
import "unsafe"
// String converts byte slice to string.
func String(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
// Bytes converts string to byte slice.
func Bytes(s string) []byte {
return *(*[]byte)(unsafe.Pointer(
&struct {
string
Cap int
}{s, len(s)},
))
}

73
vendor/github.com/go-redis/redis/v8/internal/util.go generated vendored Normal file
View File

@ -0,0 +1,73 @@
package internal
import (
"context"
"time"
"github.com/go-redis/redis/v8/internal/proto"
"github.com/go-redis/redis/v8/internal/util"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/trace"
)
func Sleep(ctx context.Context, dur time.Duration) error {
return WithSpan(ctx, "time.Sleep", func(ctx context.Context, span trace.Span) error {
t := time.NewTimer(dur)
defer t.Stop()
select {
case <-t.C:
return nil
case <-ctx.Done():
return ctx.Err()
}
})
}
func ToLower(s string) string {
if isLower(s) {
return s
}
b := make([]byte, len(s))
for i := range b {
c := s[i]
if c >= 'A' && c <= 'Z' {
c += 'a' - 'A'
}
b[i] = c
}
return util.BytesToString(b)
}
func isLower(s string) bool {
for i := 0; i < len(s); i++ {
c := s[i]
if c >= 'A' && c <= 'Z' {
return false
}
}
return true
}
//------------------------------------------------------------------------------
var tracer = otel.Tracer("github.com/go-redis/redis")
func WithSpan(ctx context.Context, name string, fn func(context.Context, trace.Span) error) error {
if span := trace.SpanFromContext(ctx); !span.IsRecording() {
return fn(ctx, span)
}
ctx, span := tracer.Start(ctx, name)
defer span.End()
return fn(ctx, span)
}
func RecordError(ctx context.Context, span trace.Span, err error) error {
if err != proto.Nil {
span.RecordError(err)
}
return err
}

0
vendor/github.com/go-redis/redis/v7/internal/util/safe.go → vendor/github.com/go-redis/redis/v8/internal/util/safe.go generated vendored
View File

0
vendor/github.com/go-redis/redis/v7/internal/util/strconv.go → vendor/github.com/go-redis/redis/v8/internal/util/strconv.go generated vendored
View File

0
vendor/github.com/go-redis/redis/v7/internal/util/unsafe.go → vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go generated vendored
View File

10
vendor/github.com/go-redis/redis/v7/iterator.go → vendor/github.com/go-redis/redis/v8/iterator.go generated vendored
View File

@ -1,6 +1,7 @@
package redis
import (
"context"
"sync"
)
@ -21,7 +22,7 @@ func (it *ScanIterator) Err() error {
}
// Next advances the cursor and returns true if more values can be read.
func (it *ScanIterator) Next() bool {
func (it *ScanIterator) Next(ctx context.Context) bool {
it.mu.Lock()
defer it.mu.Unlock()
@ -43,13 +44,14 @@ func (it *ScanIterator) Next() bool {
}
// Fetch next page.
if it.cmd.args[0] == "scan" {
switch it.cmd.args[0] {
case "scan", "qscan":
it.cmd.args[1] = it.cmd.cursor
} else {
default:
it.cmd.args[2] = it.cmd.cursor
}
err := it.cmd.process(it.cmd)
err := it.cmd.process(ctx, it.cmd)
if err != nil {
return false
}

114
vendor/github.com/go-redis/redis/v7/options.go → vendor/github.com/go-redis/redis/v8/options.go generated vendored
View File

@ -12,7 +12,10 @@ import (
"strings"
"time"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"go.opentelemetry.io/otel/label"
"go.opentelemetry.io/otel/trace"
)
// Limiter is the interface of a rate limiter or a circuit breaker.
@ -26,6 +29,7 @@ type Limiter interface {
ReportResult(result error)
}
// Options keeps the settings to setup redis connection.
type Options struct {
// The network type, either tcp or unix.
// Default is tcp.
@ -38,21 +42,23 @@ type Options struct {
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
// Hook that is called when new connection is established.
OnConnect func(*Conn) error
OnConnect func(ctx context.Context, cn *Conn) error
// Use the specified Username to authenticate the current connection with one of the connections defined in the ACL
// list when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
// Use the specified Username to authenticate the current connection
// with one of the connections defined in the ACL list when connecting
// to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
Username string
// Optional password. Must match the password specified in the
// requirepass server configuration option (if connecting to a Redis 5.0 instance, or lower),
// or the User Password when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
// or the User Password when connecting to a Redis 6.0 instance, or greater,
// that is using the Redis ACL system.
Password string
// Database to be selected after connecting to the server.
DB int
// Maximum number of retries before giving up.
// Default is to not retry failed commands.
// Default is 3 retries; -1 (not 0) disables retries.
MaxRetries int
// Minimum backoff between each retry.
// Default is 8 milliseconds; -1 disables backoff.
@ -117,6 +123,9 @@ func (opt *Options) init() {
opt.Network = "tcp"
}
}
if opt.DialTimeout == 0 {
opt.DialTimeout = 5 * time.Second
}
if opt.Dialer == nil {
opt.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
netDialer := &net.Dialer{
@ -132,9 +141,6 @@ func (opt *Options) init() {
if opt.PoolSize == 0 {
opt.PoolSize = 10 * runtime.NumCPU()
}
if opt.DialTimeout == 0 {
opt.DialTimeout = 5 * time.Second
}
switch opt.ReadTimeout {
case -1:
opt.ReadTimeout = 0
@ -159,6 +165,8 @@ func (opt *Options) init() {
if opt.MaxRetries == -1 {
opt.MaxRetries = 0
} else if opt.MaxRetries == 0 {
opt.MaxRetries = 3
}
switch opt.MinRetryBackoff {
case -1:
@ -180,26 +188,35 @@ func (opt *Options) clone() *Options {
}
// ParseURL parses an URL into Options that can be used to connect to Redis.
// Scheme is required.
// There are two connection types: by tcp socket and by unix socket.
// Tcp connection:
// redis://<user>:<password>@<host>:<port>/<db_number>
// Unix connection:
// unix://<user>:<password>@</path/to/redis.sock>?db=<db_number>
func ParseURL(redisURL string) (*Options, error) {
o := &Options{Network: "tcp"}
u, err := url.Parse(redisURL)
if err != nil {
return nil, err
}
if u.Scheme != "redis" && u.Scheme != "rediss" {
return nil, errors.New("invalid redis URL scheme: " + u.Scheme)
switch u.Scheme {
case "redis", "rediss":
return setupTCPConn(u)
case "unix":
return setupUnixConn(u)
default:
return nil, fmt.Errorf("redis: invalid URL scheme: %s", u.Scheme)
}
}
if u.User != nil {
o.Username = u.User.Username()
if p, ok := u.User.Password(); ok {
o.Password = p
}
}
func setupTCPConn(u *url.URL) (*Options, error) {
o := &Options{Network: "tcp"}
o.Username, o.Password = getUserPassword(u)
if len(u.Query()) > 0 {
return nil, errors.New("no options supported")
return nil, errors.New("redis: no options supported")
}
h, p, err := net.SplitHostPort(u.Host)
@ -222,22 +239,73 @@ func ParseURL(redisURL string) (*Options, error) {
o.DB = 0
case 1:
if o.DB, err = strconv.Atoi(f[0]); err != nil {
return nil, fmt.Errorf("invalid redis database number: %q", f[0])
return nil, fmt.Errorf("redis: invalid database number: %q", f[0])
}
default:
return nil, errors.New("invalid redis URL path: " + u.Path)
return nil, fmt.Errorf("redis: invalid URL path: %s", u.Path)
}
if u.Scheme == "rediss" {
o.TLSConfig = &tls.Config{ServerName: h}
}
return o, nil
}
func setupUnixConn(u *url.URL) (*Options, error) {
o := &Options{
Network: "unix",
}
if strings.TrimSpace(u.Path) == "" { // path is required with unix connection
return nil, errors.New("redis: empty unix socket path")
}
o.Addr = u.Path
o.Username, o.Password = getUserPassword(u)
dbStr := u.Query().Get("db")
if dbStr == "" {
return o, nil // if database is not set, connect to 0 db.
}
db, err := strconv.Atoi(dbStr)
if err != nil {
return nil, fmt.Errorf("redis: invalid database number: %w", err)
}
o.DB = db
return o, nil
}
func getUserPassword(u *url.URL) (string, string) {
var user, password string
if u.User != nil {
user = u.User.Username()
if p, ok := u.User.Password(); ok {
password = p
}
}
return user, password
}
func newConnPool(opt *Options) *pool.ConnPool {
return pool.NewConnPool(&pool.Options{
Dialer: func(ctx context.Context) (net.Conn, error) {
return opt.Dialer(ctx, opt.Network, opt.Addr)
var conn net.Conn
err := internal.WithSpan(ctx, "redis.dial", func(ctx context.Context, span trace.Span) error {
span.SetAttributes(
label.String("db.connection_string", opt.Addr),
)
var err error
conn, err = opt.Dialer(ctx, opt.Network, opt.Addr)
if err != nil {
_ = internal.RecordError(ctx, span, err)
}
return err
})
return conn, err
},
PoolSize: opt.PoolSize,
MinIdleConns: opt.MinIdleConns,

31
vendor/github.com/go-redis/redis/v7/pipeline.go → vendor/github.com/go-redis/redis/v8/pipeline.go generated vendored
View File

@ -4,7 +4,7 @@ import (
"context"
"sync"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v8/internal/pool"
)
type pipelineExecer func(context.Context, []Cmder) error
@ -24,12 +24,11 @@ type pipelineExecer func(context.Context, []Cmder) error
// depends of your batch size and/or use TxPipeline.
type Pipeliner interface {
StatefulCmdable
Do(args ...interface{}) *Cmd
Process(cmd Cmder) error
Do(ctx context.Context, args ...interface{}) *Cmd
Process(ctx context.Context, cmd Cmder) error
Close() error
Discard() error
Exec() ([]Cmder, error)
ExecContext(ctx context.Context) ([]Cmder, error)
Exec(ctx context.Context) ([]Cmder, error)
}
var _ Pipeliner = (*Pipeline)(nil)
@ -54,14 +53,14 @@ func (c *Pipeline) init() {
c.statefulCmdable = c.Process
}
func (c *Pipeline) Do(args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.Process(cmd)
func (c *Pipeline) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
// Process queues the cmd for later execution.
func (c *Pipeline) Process(cmd Cmder) error {
func (c *Pipeline) Process(ctx context.Context, cmd Cmder) error {
c.mu.Lock()
c.cmds = append(c.cmds, cmd)
c.mu.Unlock()
@ -98,11 +97,7 @@ func (c *Pipeline) discard() error {
//
// Exec always returns list of commands and error of the first failed
// command if any.
func (c *Pipeline) Exec() ([]Cmder, error) {
return c.ExecContext(c.ctx)
}
func (c *Pipeline) ExecContext(ctx context.Context) ([]Cmder, error) {
func (c *Pipeline) Exec(ctx context.Context) ([]Cmder, error) {
c.mu.Lock()
defer c.mu.Unlock()
@ -120,11 +115,11 @@ func (c *Pipeline) ExecContext(ctx context.Context) ([]Cmder, error) {
return cmds, c.exec(ctx, cmds)
}
func (c *Pipeline) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
func (c *Pipeline) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
if err := fn(c); err != nil {
return nil, err
}
cmds, err := c.Exec()
cmds, err := c.Exec(ctx)
_ = c.Close()
return cmds, err
}
@ -133,8 +128,8 @@ func (c *Pipeline) Pipeline() Pipeliner {
return c
}
func (c *Pipeline) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipelined(fn)
func (c *Pipeline) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipelined(ctx, fn)
}
func (c *Pipeline) TxPipeline() Pipeliner {

168
vendor/github.com/go-redis/redis/v7/pubsub.go → vendor/github.com/go-redis/redis/v8/pubsub.go generated vendored
View File

@ -8,12 +8,15 @@ import (
"sync"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
const pingTimeout = 30 * time.Second
const (
pingTimeout = time.Second
chanSendTimeout = time.Minute
)
var errPingTimeout = errors.New("redis: ping timeout")
@ -26,7 +29,7 @@ var errPingTimeout = errors.New("redis: ping timeout")
type PubSub struct {
opt *Options
newConn func([]string) (*pool.Conn, error)
newConn func(ctx context.Context, channels []string) (*pool.Conn, error)
closeConn func(*pool.Conn) error
mu sync.Mutex
@ -55,14 +58,14 @@ func (c *PubSub) init() {
c.exit = make(chan struct{})
}
func (c *PubSub) connWithLock() (*pool.Conn, error) {
func (c *PubSub) connWithLock(ctx context.Context) (*pool.Conn, error) {
c.mu.Lock()
cn, err := c.conn(nil)
cn, err := c.conn(ctx, nil)
c.mu.Unlock()
return cn, err
}
func (c *PubSub) conn(newChannels []string) (*pool.Conn, error) {
func (c *PubSub) conn(ctx context.Context, newChannels []string) (*pool.Conn, error) {
if c.closed {
return nil, pool.ErrClosed
}
@ -73,12 +76,12 @@ func (c *PubSub) conn(newChannels []string) (*pool.Conn, error) {
channels := mapKeys(c.channels)
channels = append(channels, newChannels...)
cn, err := c.newConn(channels)
cn, err := c.newConn(ctx, channels)
if err != nil {
return nil, err
}
if err := c.resubscribe(cn); err != nil {
if err := c.resubscribe(ctx, cn); err != nil {
_ = c.closeConn(cn)
return nil, err
}
@ -93,15 +96,15 @@ func (c *PubSub) writeCmd(ctx context.Context, cn *pool.Conn, cmd Cmder) error {
})
}
func (c *PubSub) resubscribe(cn *pool.Conn) error {
func (c *PubSub) resubscribe(ctx context.Context, cn *pool.Conn) error {
var firstErr error
if len(c.channels) > 0 {
firstErr = c._subscribe(cn, "subscribe", mapKeys(c.channels))
firstErr = c._subscribe(ctx, cn, "subscribe", mapKeys(c.channels))
}
if len(c.patterns) > 0 {
err := c._subscribe(cn, "psubscribe", mapKeys(c.patterns))
err := c._subscribe(ctx, cn, "psubscribe", mapKeys(c.patterns))
if err != nil && firstErr == nil {
firstErr = err
}
@ -121,35 +124,40 @@ func mapKeys(m map[string]struct{}) []string {
}
func (c *PubSub) _subscribe(
cn *pool.Conn, redisCmd string, channels []string,
ctx context.Context, cn *pool.Conn, redisCmd string, channels []string,
) error {
args := make([]interface{}, 0, 1+len(channels))
args = append(args, redisCmd)
for _, channel := range channels {
args = append(args, channel)
}
cmd := NewSliceCmd(args...)
return c.writeCmd(context.TODO(), cn, cmd)
cmd := NewSliceCmd(ctx, args...)
return c.writeCmd(ctx, cn, cmd)
}
func (c *PubSub) releaseConnWithLock(cn *pool.Conn, err error, allowTimeout bool) {
func (c *PubSub) releaseConnWithLock(
ctx context.Context,
cn *pool.Conn,
err error,
allowTimeout bool,
) {
c.mu.Lock()
c.releaseConn(cn, err, allowTimeout)
c.releaseConn(ctx, cn, err, allowTimeout)
c.mu.Unlock()
}
func (c *PubSub) releaseConn(cn *pool.Conn, err error, allowTimeout bool) {
func (c *PubSub) releaseConn(ctx context.Context, cn *pool.Conn, err error, allowTimeout bool) {
if c.cn != cn {
return
}
if isBadConn(err, allowTimeout) {
c.reconnect(err)
c.reconnect(ctx, err)
}
}
func (c *PubSub) reconnect(reason error) {
func (c *PubSub) reconnect(ctx context.Context, reason error) {
_ = c.closeTheCn(reason)
_, _ = c.conn(nil)
_, _ = c.conn(ctx, nil)
}
func (c *PubSub) closeTheCn(reason error) error {
@ -157,7 +165,7 @@ func (c *PubSub) closeTheCn(reason error) error {
return nil
}
if !c.closed {
internal.Logger.Printf("redis: discarding bad PubSub connection: %s", reason)
internal.Logger.Printf(c.getContext(), "redis: discarding bad PubSub connection: %s", reason)
}
err := c.closeConn(c.cn)
c.cn = nil
@ -179,11 +187,11 @@ func (c *PubSub) Close() error {
// Subscribe the client to the specified channels. It returns
// empty subscription if there are no channels.
func (c *PubSub) Subscribe(channels ...string) error {
func (c *PubSub) Subscribe(ctx context.Context, channels ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
err := c.subscribe("subscribe", channels...)
err := c.subscribe(ctx, "subscribe", channels...)
if c.channels == nil {
c.channels = make(map[string]struct{})
}
@ -195,11 +203,11 @@ func (c *PubSub) Subscribe(channels ...string) error {
// PSubscribe the client to the given patterns. It returns
// empty subscription if there are no patterns.
func (c *PubSub) PSubscribe(patterns ...string) error {
func (c *PubSub) PSubscribe(ctx context.Context, patterns ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
err := c.subscribe("psubscribe", patterns...)
err := c.subscribe(ctx, "psubscribe", patterns...)
if c.patterns == nil {
c.patterns = make(map[string]struct{})
}
@ -211,55 +219,55 @@ func (c *PubSub) PSubscribe(patterns ...string) error {
// Unsubscribe the client from the given channels, or from all of
// them if none is given.
func (c *PubSub) Unsubscribe(channels ...string) error {
func (c *PubSub) Unsubscribe(ctx context.Context, channels ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
for _, channel := range channels {
delete(c.channels, channel)
}
err := c.subscribe("unsubscribe", channels...)
err := c.subscribe(ctx, "unsubscribe", channels...)
return err
}
// PUnsubscribe the client from the given patterns, or from all of
// them if none is given.
func (c *PubSub) PUnsubscribe(patterns ...string) error {
func (c *PubSub) PUnsubscribe(ctx context.Context, patterns ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
for _, pattern := range patterns {
delete(c.patterns, pattern)
}
err := c.subscribe("punsubscribe", patterns...)
err := c.subscribe(ctx, "punsubscribe", patterns...)
return err
}
func (c *PubSub) subscribe(redisCmd string, channels ...string) error {
cn, err := c.conn(channels)
func (c *PubSub) subscribe(ctx context.Context, redisCmd string, channels ...string) error {
cn, err := c.conn(ctx, channels)
if err != nil {
return err
}
err = c._subscribe(cn, redisCmd, channels)
c.releaseConn(cn, err, false)
err = c._subscribe(ctx, cn, redisCmd, channels)
c.releaseConn(ctx, cn, err, false)
return err
}
func (c *PubSub) Ping(payload ...string) error {
func (c *PubSub) Ping(ctx context.Context, payload ...string) error {
args := []interface{}{"ping"}
if len(payload) == 1 {
args = append(args, payload[0])
}
cmd := NewCmd(args...)
cmd := NewCmd(ctx, args...)
cn, err := c.connWithLock()
cn, err := c.connWithLock(ctx)
if err != nil {
return err
}
err = c.writeCmd(context.TODO(), cn, cmd)
c.releaseConnWithLock(cn, err, false)
err = c.writeCmd(ctx, cn, cmd)
c.releaseConnWithLock(ctx, cn, err, false)
return err
}
@ -282,6 +290,7 @@ type Message struct {
Channel string
Pattern string
Payload string
PayloadSlice []string
}
func (m *Message) String() string {
@ -317,10 +326,24 @@ func (c *PubSub) newMessage(reply interface{}) (interface{}, error) {
Count: int(reply[2].(int64)),
}, nil
case "message":
switch payload := reply[2].(type) {
case string:
return &Message{
Channel: reply[1].(string),
Payload: reply[2].(string),
Payload: payload,
}, nil
case []interface{}:
ss := make([]string, len(payload))
for i, s := range payload {
ss[i] = s.(string)
}
return &Message{
Channel: reply[1].(string),
PayloadSlice: ss,
}, nil
default:
return nil, fmt.Errorf("redis: unsupported pubsub message payload: %T", payload)
}
case "pmessage":
return &Message{
Pattern: reply[1].(string),
@ -342,21 +365,21 @@ func (c *PubSub) newMessage(reply interface{}) (interface{}, error) {
// ReceiveTimeout acts like Receive but returns an error if message
// is not received in time. This is low-level API and in most cases
// Channel should be used instead.
func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
func (c *PubSub) ReceiveTimeout(ctx context.Context, timeout time.Duration) (interface{}, error) {
if c.cmd == nil {
c.cmd = NewCmd()
c.cmd = NewCmd(ctx)
}
cn, err := c.connWithLock()
cn, err := c.connWithLock(ctx)
if err != nil {
return nil, err
}
err = cn.WithReader(context.TODO(), timeout, func(rd *proto.Reader) error {
err = cn.WithReader(ctx, timeout, func(rd *proto.Reader) error {
return c.cmd.readReply(rd)
})
c.releaseConnWithLock(cn, err, timeout > 0)
c.releaseConnWithLock(ctx, cn, err, timeout > 0)
if err != nil {
return nil, err
}
@ -367,16 +390,16 @@ func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
// Receive returns a message as a Subscription, Message, Pong or error.
// See PubSub example for details. This is low-level API and in most cases
// Channel should be used instead.
func (c *PubSub) Receive() (interface{}, error) {
return c.ReceiveTimeout(0)
func (c *PubSub) Receive(ctx context.Context) (interface{}, error) {
return c.ReceiveTimeout(ctx, 0)
}
// ReceiveMessage returns a Message or error ignoring Subscription and Pong
// messages. This is low-level API and in most cases Channel should be used
// instead.
func (c *PubSub) ReceiveMessage() (*Message, error) {
func (c *PubSub) ReceiveMessage(ctx context.Context) (*Message, error) {
for {
msg, err := c.Receive()
msg, err := c.Receive(ctx)
if err != nil {
return nil, err
}
@ -429,7 +452,7 @@ func (c *PubSub) ChannelSize(size int) <-chan *Message {
// reconnections.
//
// ChannelWithSubscriptions can not be used together with Channel or ChannelSize.
func (c *PubSub) ChannelWithSubscriptions(size int) <-chan interface{} {
func (c *PubSub) ChannelWithSubscriptions(ctx context.Context, size int) <-chan interface{} {
c.chOnce.Do(func() {
c.initPing()
c.initAllChan(size)
@ -445,10 +468,18 @@ func (c *PubSub) ChannelWithSubscriptions(size int) <-chan interface{} {
return c.allCh
}
func (c *PubSub) getContext() context.Context {
if c.cmd != nil {
return c.cmd.ctx
}
return context.Background()
}
func (c *PubSub) initPing() {
ctx := context.TODO()
c.ping = make(chan struct{}, 1)
go func() {
timer := time.NewTimer(pingTimeout)
timer := time.NewTimer(time.Minute)
timer.Stop()
healthy := true
@ -461,7 +492,7 @@ func (c *PubSub) initPing() {
<-timer.C
}
case <-timer.C:
pingErr := c.Ping()
pingErr := c.Ping(ctx)
if healthy {
healthy = false
} else {
@ -469,7 +500,7 @@ func (c *PubSub) initPing() {
pingErr = errPingTimeout
}
c.mu.Lock()
c.reconnect(pingErr)
c.reconnect(ctx, pingErr)
healthy = true
c.mu.Unlock()
}
@ -482,21 +513,22 @@ func (c *PubSub) initPing() {
// initMsgChan must be in sync with initAllChan.
func (c *PubSub) initMsgChan(size int) {
ctx := context.TODO()
c.msgCh = make(chan *Message, size)
go func() {
timer := time.NewTimer(pingTimeout)
timer := time.NewTimer(time.Minute)
timer.Stop()
var errCount int
for {
msg, err := c.Receive()
msg, err := c.Receive(ctx)
if err != nil {
if err == pool.ErrClosed {
close(c.msgCh)
return
}
if errCount > 0 {
time.Sleep(c.retryBackoff(errCount))
time.Sleep(100 * time.Millisecond)
}
errCount++
continue
@ -516,7 +548,7 @@ func (c *PubSub) initMsgChan(size int) {
case *Pong:
// Ignore.
case *Message:
timer.Reset(pingTimeout)
timer.Reset(chanSendTimeout)
select {
case c.msgCh <- msg:
if !timer.Stop() {
@ -524,10 +556,14 @@ func (c *PubSub) initMsgChan(size int) {
}
case <-timer.C:
internal.Logger.Printf(
"redis: %s channel is full for %s (message is dropped)", c, pingTimeout)
c.getContext(),
"redis: %s channel is full for %s (message is dropped)",
c,
chanSendTimeout,
)
}
default:
internal.Logger.Printf("redis: unknown message type: %T", msg)
internal.Logger.Printf(c.getContext(), "redis: unknown message type: %T", msg)
}
}
}()
@ -535,6 +571,7 @@ func (c *PubSub) initMsgChan(size int) {
// initAllChan must be in sync with initMsgChan.
func (c *PubSub) initAllChan(size int) {
ctx := context.TODO()
c.allCh = make(chan interface{}, size)
go func() {
timer := time.NewTimer(pingTimeout)
@ -542,14 +579,14 @@ func (c *PubSub) initAllChan(size int) {
var errCount int
for {
msg, err := c.Receive()
msg, err := c.Receive(ctx)
if err != nil {
if err == pool.ErrClosed {
close(c.allCh)
return
}
if errCount > 0 {
time.Sleep(c.retryBackoff(errCount))
time.Sleep(100 * time.Millisecond)
}
errCount++
continue
@ -571,7 +608,7 @@ func (c *PubSub) initAllChan(size int) {
case *Message:
c.sendMessage(msg, timer)
default:
internal.Logger.Printf("redis: unknown message type: %T", msg)
internal.Logger.Printf(c.getContext(), "redis: unknown message type: %T", msg)
}
}
}()
@ -586,10 +623,7 @@ func (c *PubSub) sendMessage(msg interface{}, timer *time.Timer) {
}
case <-timer.C:
internal.Logger.Printf(
c.getContext(),
"redis: %s channel is full for %s (message is dropped)", c, pingTimeout)
}
}
func (c *PubSub) retryBackoff(attempt int) time.Duration {
return internal.RetryBackoff(attempt, c.opt.MinRetryBackoff, c.opt.MaxRetryBackoff)
}

274
vendor/github.com/go-redis/redis/v7/redis.go → vendor/github.com/go-redis/redis/v8/redis.go generated vendored
View File

@ -2,19 +2,22 @@ package redis
import (
"context"
"errors"
"fmt"
"log"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
"go.opentelemetry.io/otel/label"
"go.opentelemetry.io/otel/trace"
)
// Nil reply returned by Redis when key does not exist.
const Nil = proto.Nil
func SetLogger(logger *log.Logger) {
func SetLogger(logger internal.Logging) {
internal.Logger = logger
}
@ -49,92 +52,88 @@ func (hs *hooks) AddHook(hook Hook) {
func (hs hooks) process(
ctx context.Context, cmd Cmder, fn func(context.Context, Cmder) error,
) error {
ctx, err := hs.beforeProcess(ctx, cmd)
if err != nil {
if len(hs.hooks) == 0 {
err := hs.withContext(ctx, func() error {
return fn(ctx, cmd)
})
cmd.SetErr(err)
return err
}
cmdErr := fn(ctx, cmd)
var hookIndex int
var retErr error
if err := hs.afterProcess(ctx, cmd); err != nil {
cmd.SetErr(err)
return err
for ; hookIndex < len(hs.hooks) && retErr == nil; hookIndex++ {
ctx, retErr = hs.hooks[hookIndex].BeforeProcess(ctx, cmd)
if retErr != nil {
cmd.SetErr(retErr)
}
}
return cmdErr
if retErr == nil {
retErr = hs.withContext(ctx, func() error {
return fn(ctx, cmd)
})
cmd.SetErr(retErr)
}
func (hs hooks) beforeProcess(ctx context.Context, cmd Cmder) (context.Context, error) {
for _, h := range hs.hooks {
var err error
ctx, err = h.BeforeProcess(ctx, cmd)
if err != nil {
return nil, err
for hookIndex--; hookIndex >= 0; hookIndex-- {
if err := hs.hooks[hookIndex].AfterProcess(ctx, cmd); err != nil {
retErr = err
cmd.SetErr(retErr)
}
}
return ctx, nil
}
func (hs hooks) afterProcess(ctx context.Context, cmd Cmder) error {
var firstErr error
for _, h := range hs.hooks {
err := h.AfterProcess(ctx, cmd)
if err != nil && firstErr == nil {
firstErr = err
}
}
return firstErr
return retErr
}
func (hs hooks) processPipeline(
ctx context.Context, cmds []Cmder, fn func(context.Context, []Cmder) error,
) error {
ctx, err := hs.beforeProcessPipeline(ctx, cmds)
if err != nil {
setCmdsErr(cmds, err)
if len(hs.hooks) == 0 {
err := hs.withContext(ctx, func() error {
return fn(ctx, cmds)
})
return err
}
cmdsErr := fn(ctx, cmds)
var hookIndex int
var retErr error
if err := hs.afterProcessPipeline(ctx, cmds); err != nil {
setCmdsErr(cmds, err)
return err
for ; hookIndex < len(hs.hooks) && retErr == nil; hookIndex++ {
ctx, retErr = hs.hooks[hookIndex].BeforeProcessPipeline(ctx, cmds)
if retErr != nil {
setCmdsErr(cmds, retErr)
}
}
return cmdsErr
if retErr == nil {
retErr = hs.withContext(ctx, func() error {
return fn(ctx, cmds)
})
}
func (hs hooks) beforeProcessPipeline(ctx context.Context, cmds []Cmder) (context.Context, error) {
for _, h := range hs.hooks {
var err error
ctx, err = h.BeforeProcessPipeline(ctx, cmds)
if err != nil {
return nil, err
for hookIndex--; hookIndex >= 0; hookIndex-- {
if err := hs.hooks[hookIndex].AfterProcessPipeline(ctx, cmds); err != nil {
retErr = err
setCmdsErr(cmds, retErr)
}
}
return ctx, nil
}
func (hs hooks) afterProcessPipeline(ctx context.Context, cmds []Cmder) error {
var firstErr error
for _, h := range hs.hooks {
err := h.AfterProcessPipeline(ctx, cmds)
if err != nil && firstErr == nil {
firstErr = err
}
}
return firstErr
return retErr
}
func (hs hooks) processTxPipeline(
ctx context.Context, cmds []Cmder, fn func(context.Context, []Cmder) error,
) error {
cmds = wrapMultiExec(cmds)
cmds = wrapMultiExec(ctx, cmds)
return hs.processPipeline(ctx, cmds, fn)
}
func (hs hooks) withContext(ctx context.Context, fn func() error) error {
return fn()
}
//------------------------------------------------------------------------------
type baseClient struct {
@ -201,6 +200,7 @@ func (c *baseClient) getConn(ctx context.Context) (*pool.Conn, error) {
}
return nil, err
}
return cn, nil
}
@ -210,10 +210,16 @@ func (c *baseClient) _getConn(ctx context.Context) (*pool.Conn, error) {
return nil, err
}
err = c.initConn(ctx, cn)
if cn.Inited {
return cn, nil
}
err = internal.WithSpan(ctx, "redis.init_conn", func(ctx context.Context, span trace.Span) error {
return c.initConn(ctx, cn)
})
if err != nil {
c.connPool.Remove(cn, err)
if err := internal.Unwrap(err); err != nil {
c.connPool.Remove(ctx, cn, err)
if err := errors.Unwrap(err); err != nil {
return nil, err
}
return nil, err
@ -235,25 +241,24 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
return nil
}
connPool := pool.NewSingleConnPool(nil)
connPool.SetConn(cn)
connPool := pool.NewSingleConnPool(c.connPool, cn)
conn := newConn(ctx, c.opt, connPool)
_, err := conn.Pipelined(func(pipe Pipeliner) error {
_, err := conn.Pipelined(ctx, func(pipe Pipeliner) error {
if c.opt.Password != "" {
if c.opt.Username != "" {
pipe.AuthACL(c.opt.Username, c.opt.Password)
pipe.AuthACL(ctx, c.opt.Username, c.opt.Password)
} else {
pipe.Auth(c.opt.Password)
pipe.Auth(ctx, c.opt.Password)
}
}
if c.opt.DB > 0 {
pipe.Select(c.opt.DB)
pipe.Select(ctx, c.opt.DB)
}
if c.opt.readOnly {
pipe.ReadOnly()
pipe.ReadOnly(ctx)
}
return nil
@ -263,58 +268,80 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
}
if c.opt.OnConnect != nil {
return c.opt.OnConnect(conn)
return c.opt.OnConnect(ctx, conn)
}
return nil
}
func (c *baseClient) releaseConn(cn *pool.Conn, err error) {
func (c *baseClient) releaseConn(ctx context.Context, cn *pool.Conn, err error) {
if c.opt.Limiter != nil {
c.opt.Limiter.ReportResult(err)
}
if isBadConn(err, false) {
c.connPool.Remove(cn, err)
c.connPool.Remove(ctx, cn, err)
} else {
c.connPool.Put(cn)
c.connPool.Put(ctx, cn)
}
}
func (c *baseClient) withConn(
ctx context.Context, fn func(context.Context, *pool.Conn) error,
) error {
return internal.WithSpan(ctx, "redis.with_conn", func(ctx context.Context, span trace.Span) error {
cn, err := c.getConn(ctx)
if err != nil {
return err
}
if span.IsRecording() {
if remoteAddr := cn.RemoteAddr(); remoteAddr != nil {
span.SetAttributes(label.String("net.peer.ip", remoteAddr.String()))
}
}
defer func() {
c.releaseConn(cn, err)
c.releaseConn(ctx, cn, err)
}()
done := ctx.Done()
if done == nil {
err = fn(ctx, cn)
return err
}
func (c *baseClient) process(ctx context.Context, cmd Cmder) error {
err := c._process(ctx, cmd)
if err != nil {
cmd.SetErr(err)
errc := make(chan error, 1)
go func() { errc <- fn(ctx, cn) }()
select {
case <-done:
_ = cn.Close()
// Wait for the goroutine to finish and send something.
<-errc
err = ctx.Err()
return err
case err = <-errc:
return err
}
return nil
})
}
func (c *baseClient) _process(ctx context.Context, cmd Cmder) error {
func (c *baseClient) process(ctx context.Context, cmd Cmder) error {
var lastErr error
for attempt := 0; attempt <= c.opt.MaxRetries; attempt++ {
attempt := attempt
var retry bool
err := internal.WithSpan(ctx, "redis.process", func(ctx context.Context, span trace.Span) error {
if attempt > 0 {
if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil {
return err
}
}
retryTimeout := true
lastErr = c.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
retryTimeout := uint32(1)
err := c.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
err := cn.WithWriter(ctx, c.opt.WriteTimeout, func(wr *proto.Writer) error {
return writeCmd(wr, cmd)
})
@ -324,15 +351,24 @@ func (c *baseClient) _process(ctx context.Context, cmd Cmder) error {
err = cn.WithReader(ctx, c.cmdTimeout(cmd), cmd.readReply)
if err != nil {
retryTimeout = cmd.readTimeout() == nil
if cmd.readTimeout() == nil {
atomic.StoreUint32(&retryTimeout, 1)
}
return err
}
return nil
})
if lastErr == nil || !isRetryableError(lastErr, retryTimeout) {
return lastErr
if err == nil {
return nil
}
retry = shouldRetry(err, atomic.LoadUint32(&retryTimeout) == 1)
return err
})
if err == nil || !retry {
return err
}
lastErr = err
}
return lastErr
}
@ -411,7 +447,7 @@ func (c *baseClient) _generalProcessPipeline(
canRetry, err = p(ctx, cn, cmds)
return err
})
if lastErr == nil || !canRetry || !isRetryableError(lastErr, true) {
if lastErr == nil || !canRetry || !shouldRetry(lastErr, true) {
return lastErr
}
}
@ -437,6 +473,7 @@ func (c *baseClient) pipelineProcessCmds(
func pipelineReadCmds(rd *proto.Reader, cmds []Cmder) error {
for _, cmd := range cmds {
err := cmd.readReply(rd)
cmd.SetErr(err)
if err != nil && !isRedisError(err) {
return err
}
@ -469,15 +506,15 @@ func (c *baseClient) txPipelineProcessCmds(
return false, err
}
func wrapMultiExec(cmds []Cmder) []Cmder {
func wrapMultiExec(ctx context.Context, cmds []Cmder) []Cmder {
if len(cmds) == 0 {
panic("not reached")
}
cmds = append(cmds, make([]Cmder, 2)...)
copy(cmds[1:], cmds[:len(cmds)-2])
cmds[0] = NewStatusCmd("multi")
cmds[len(cmds)-1] = NewSliceCmd("exec")
return cmds
cmdCopy := make([]Cmder, len(cmds)+2)
cmdCopy[0] = NewStatusCmd(ctx, "multi")
copy(cmdCopy[1:], cmds)
cmdCopy[len(cmdCopy)-1] = NewSliceCmd(ctx, "exec")
return cmdCopy
}
func txPipelineReadQueued(rd *proto.Reader, statusCmd *StatusCmd, cmds []Cmder) error {
@ -565,26 +602,18 @@ func (c *Client) WithContext(ctx context.Context) *Client {
return clone
}
func (c *Client) Conn() *Conn {
return newConn(c.ctx, c.opt, pool.NewSingleConnPool(c.connPool))
func (c *Client) Conn(ctx context.Context) *Conn {
return newConn(ctx, c.opt, pool.NewStickyConnPool(c.connPool))
}
// Do creates a Cmd from the args and processes the cmd.
func (c *Client) Do(args ...interface{}) *Cmd {
return c.DoContext(c.ctx, args...)
}
func (c *Client) DoContext(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.ProcessContext(ctx, cmd)
func (c *Client) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
func (c *Client) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *Client) ProcessContext(ctx context.Context, cmd Cmder) error {
func (c *Client) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
@ -609,8 +638,8 @@ func (c *Client) PoolStats() *PoolStats {
return (*PoolStats)(stats)
}
func (c *Client) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Client) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Client) Pipeline() Pipeliner {
@ -622,8 +651,8 @@ func (c *Client) Pipeline() Pipeliner {
return &pipe
}
func (c *Client) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Client) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
// TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.
@ -640,8 +669,8 @@ func (c *Client) pubSub() *PubSub {
pubsub := &PubSub{
opt: c.opt,
newConn: func(channels []string) (*pool.Conn, error) {
return c.newConn(context.TODO())
newConn: func(ctx context.Context, channels []string) (*pool.Conn, error) {
return c.newConn(ctx)
},
closeConn: c.connPool.CloseConn,
}
@ -675,20 +704,20 @@ func (c *Client) pubSub() *PubSub {
// }
//
// ch := sub.Channel()
func (c *Client) Subscribe(channels ...string) *PubSub {
func (c *Client) Subscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.Subscribe(channels...)
_ = pubsub.Subscribe(ctx, channels...)
}
return pubsub
}
// PSubscribe subscribes the client to the given patterns.
// Patterns can be omitted to create empty subscription.
func (c *Client) PSubscribe(channels ...string) *PubSub {
func (c *Client) PSubscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.PSubscribe(channels...)
_ = pubsub.PSubscribe(ctx, channels...)
}
return pubsub
}
@ -699,6 +728,7 @@ type conn struct {
baseClient
cmdable
statefulCmdable
hooks // TODO: inherit hooks
}
// Conn is like Client, but its pool contains single connection.
@ -722,16 +752,20 @@ func newConn(ctx context.Context, opt *Options, connPool pool.Pooler) *Conn {
return &c
}
func (c *Conn) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
func (c *Conn) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
func (c *Conn) ProcessContext(ctx context.Context, cmd Cmder) error {
return c.baseClient.process(ctx, cmd)
func (c *Conn) processPipeline(ctx context.Context, cmds []Cmder) error {
return c.hooks.processPipeline(ctx, cmds, c.baseClient.processPipeline)
}
func (c *Conn) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Conn) processTxPipeline(ctx context.Context, cmds []Cmder) error {
return c.hooks.processTxPipeline(ctx, cmds, c.baseClient.processTxPipeline)
}
func (c *Conn) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Conn) Pipeline() Pipeliner {
@ -743,8 +777,8 @@ func (c *Conn) Pipeline() Pipeliner {
return &pipe
}
func (c *Conn) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Conn) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
// TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.

44
vendor/github.com/go-redis/redis/v7/result.go → vendor/github.com/go-redis/redis/v8/result.go generated vendored
View File

@ -2,7 +2,7 @@ package redis
import "time"
// NewCmdResult returns a Cmd initialised with val and err for testing
// NewCmdResult returns a Cmd initialised with val and err for testing.
func NewCmdResult(val interface{}, err error) *Cmd {
var cmd Cmd
cmd.val = val
@ -10,7 +10,7 @@ func NewCmdResult(val interface{}, err error) *Cmd {
return &cmd
}
// NewSliceResult returns a SliceCmd initialised with val and err for testing
// NewSliceResult returns a SliceCmd initialised with val and err for testing.
func NewSliceResult(val []interface{}, err error) *SliceCmd {
var cmd SliceCmd
cmd.val = val
@ -18,7 +18,7 @@ func NewSliceResult(val []interface{}, err error) *SliceCmd {
return &cmd
}
// NewStatusResult returns a StatusCmd initialised with val and err for testing
// NewStatusResult returns a StatusCmd initialised with val and err for testing.
func NewStatusResult(val string, err error) *StatusCmd {
var cmd StatusCmd
cmd.val = val
@ -26,7 +26,7 @@ func NewStatusResult(val string, err error) *StatusCmd {
return &cmd
}
// NewIntResult returns an IntCmd initialised with val and err for testing
// NewIntResult returns an IntCmd initialised with val and err for testing.
func NewIntResult(val int64, err error) *IntCmd {
var cmd IntCmd
cmd.val = val
@ -34,7 +34,7 @@ func NewIntResult(val int64, err error) *IntCmd {
return &cmd
}
// NewDurationResult returns a DurationCmd initialised with val and err for testing
// NewDurationResult returns a DurationCmd initialised with val and err for testing.
func NewDurationResult(val time.Duration, err error) *DurationCmd {
var cmd DurationCmd
cmd.val = val
@ -42,7 +42,7 @@ func NewDurationResult(val time.Duration, err error) *DurationCmd {
return &cmd
}
// NewBoolResult returns a BoolCmd initialised with val and err for testing
// NewBoolResult returns a BoolCmd initialised with val and err for testing.
func NewBoolResult(val bool, err error) *BoolCmd {
var cmd BoolCmd
cmd.val = val
@ -50,7 +50,7 @@ func NewBoolResult(val bool, err error) *BoolCmd {
return &cmd
}
// NewStringResult returns a StringCmd initialised with val and err for testing
// NewStringResult returns a StringCmd initialised with val and err for testing.
func NewStringResult(val string, err error) *StringCmd {
var cmd StringCmd
cmd.val = val
@ -58,7 +58,7 @@ func NewStringResult(val string, err error) *StringCmd {
return &cmd
}
// NewFloatResult returns a FloatCmd initialised with val and err for testing
// NewFloatResult returns a FloatCmd initialised with val and err for testing.
func NewFloatResult(val float64, err error) *FloatCmd {
var cmd FloatCmd
cmd.val = val
@ -66,7 +66,7 @@ func NewFloatResult(val float64, err error) *FloatCmd {
return &cmd
}
// NewStringSliceResult returns a StringSliceCmd initialised with val and err for testing
// NewStringSliceResult returns a StringSliceCmd initialised with val and err for testing.
func NewStringSliceResult(val []string, err error) *StringSliceCmd {
var cmd StringSliceCmd
cmd.val = val
@ -74,7 +74,7 @@ func NewStringSliceResult(val []string, err error) *StringSliceCmd {
return &cmd
}
// NewBoolSliceResult returns a BoolSliceCmd initialised with val and err for testing
// NewBoolSliceResult returns a BoolSliceCmd initialised with val and err for testing.
func NewBoolSliceResult(val []bool, err error) *BoolSliceCmd {
var cmd BoolSliceCmd
cmd.val = val
@ -82,7 +82,7 @@ func NewBoolSliceResult(val []bool, err error) *BoolSliceCmd {
return &cmd
}
// NewStringStringMapResult returns a StringStringMapCmd initialised with val and err for testing
// NewStringStringMapResult returns a StringStringMapCmd initialised with val and err for testing.
func NewStringStringMapResult(val map[string]string, err error) *StringStringMapCmd {
var cmd StringStringMapCmd
cmd.val = val
@ -90,7 +90,7 @@ func NewStringStringMapResult(val map[string]string, err error) *StringStringMap
return &cmd
}
// NewStringIntMapCmdResult returns a StringIntMapCmd initialised with val and err for testing
// NewStringIntMapCmdResult returns a StringIntMapCmd initialised with val and err for testing.
func NewStringIntMapCmdResult(val map[string]int64, err error) *StringIntMapCmd {
var cmd StringIntMapCmd
cmd.val = val
@ -98,7 +98,7 @@ func NewStringIntMapCmdResult(val map[string]int64, err error) *StringIntMapCmd
return &cmd
}
// NewTimeCmdResult returns a TimeCmd initialised with val and err for testing
// NewTimeCmdResult returns a TimeCmd initialised with val and err for testing.
func NewTimeCmdResult(val time.Time, err error) *TimeCmd {
var cmd TimeCmd
cmd.val = val
@ -106,7 +106,7 @@ func NewTimeCmdResult(val time.Time, err error) *TimeCmd {
return &cmd
}
// NewZSliceCmdResult returns a ZSliceCmd initialised with val and err for testing
// NewZSliceCmdResult returns a ZSliceCmd initialised with val and err for testing.
func NewZSliceCmdResult(val []Z, err error) *ZSliceCmd {
var cmd ZSliceCmd
cmd.val = val
@ -114,7 +114,7 @@ func NewZSliceCmdResult(val []Z, err error) *ZSliceCmd {
return &cmd
}
// NewZWithKeyCmdResult returns a NewZWithKeyCmd initialised with val and err for testing
// NewZWithKeyCmdResult returns a NewZWithKeyCmd initialised with val and err for testing.
func NewZWithKeyCmdResult(val *ZWithKey, err error) *ZWithKeyCmd {
var cmd ZWithKeyCmd
cmd.val = val
@ -122,7 +122,7 @@ func NewZWithKeyCmdResult(val *ZWithKey, err error) *ZWithKeyCmd {
return &cmd
}
// NewScanCmdResult returns a ScanCmd initialised with val and err for testing
// NewScanCmdResult returns a ScanCmd initialised with val and err for testing.
func NewScanCmdResult(keys []string, cursor uint64, err error) *ScanCmd {
var cmd ScanCmd
cmd.page = keys
@ -131,7 +131,7 @@ func NewScanCmdResult(keys []string, cursor uint64, err error) *ScanCmd {
return &cmd
}
// NewClusterSlotsCmdResult returns a ClusterSlotsCmd initialised with val and err for testing
// NewClusterSlotsCmdResult returns a ClusterSlotsCmd initialised with val and err for testing.
func NewClusterSlotsCmdResult(val []ClusterSlot, err error) *ClusterSlotsCmd {
var cmd ClusterSlotsCmd
cmd.val = val
@ -139,7 +139,7 @@ func NewClusterSlotsCmdResult(val []ClusterSlot, err error) *ClusterSlotsCmd {
return &cmd
}
// NewGeoLocationCmdResult returns a GeoLocationCmd initialised with val and err for testing
// NewGeoLocationCmdResult returns a GeoLocationCmd initialised with val and err for testing.
func NewGeoLocationCmdResult(val []GeoLocation, err error) *GeoLocationCmd {
var cmd GeoLocationCmd
cmd.locations = val
@ -147,7 +147,7 @@ func NewGeoLocationCmdResult(val []GeoLocation, err error) *GeoLocationCmd {
return &cmd
}
// NewGeoPosCmdResult returns a GeoPosCmd initialised with val and err for testing
// NewGeoPosCmdResult returns a GeoPosCmd initialised with val and err for testing.
func NewGeoPosCmdResult(val []*GeoPos, err error) *GeoPosCmd {
var cmd GeoPosCmd
cmd.val = val
@ -155,7 +155,7 @@ func NewGeoPosCmdResult(val []*GeoPos, err error) *GeoPosCmd {
return &cmd
}
// NewCommandsInfoCmdResult returns a CommandsInfoCmd initialised with val and err for testing
// NewCommandsInfoCmdResult returns a CommandsInfoCmd initialised with val and err for testing.
func NewCommandsInfoCmdResult(val map[string]*CommandInfo, err error) *CommandsInfoCmd {
var cmd CommandsInfoCmd
cmd.val = val
@ -163,7 +163,7 @@ func NewCommandsInfoCmdResult(val map[string]*CommandInfo, err error) *CommandsI
return &cmd
}
// NewXMessageSliceCmdResult returns a XMessageSliceCmd initialised with val and err for testing
// NewXMessageSliceCmdResult returns a XMessageSliceCmd initialised with val and err for testing.
func NewXMessageSliceCmdResult(val []XMessage, err error) *XMessageSliceCmd {
var cmd XMessageSliceCmd
cmd.val = val
@ -171,7 +171,7 @@ func NewXMessageSliceCmdResult(val []XMessage, err error) *XMessageSliceCmd {
return &cmd
}
// NewXStreamSliceCmdResult returns a XStreamSliceCmd initialised with val and err for testing
// NewXStreamSliceCmdResult returns a XStreamSliceCmd initialised with val and err for testing.
func NewXStreamSliceCmdResult(val []XStream, err error) *XStreamSliceCmd {
var cmd XStreamSliceCmd
cmd.val = val

335
vendor/github.com/go-redis/redis/v7/ring.go → vendor/github.com/go-redis/redis/v8/ring.go generated vendored
View File

@ -2,72 +2,73 @@ package redis
import (
"context"
"crypto/tls"
"errors"
"fmt"
"math/rand"
"net"
"strconv"
"sync"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/consistenthash"
"github.com/go-redis/redis/v7/internal/hashtag"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/cespare/xxhash/v2"
"github.com/dgryski/go-rendezvous"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/hashtag"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/rand"
)
// Hash is type of hash function used in consistent hash.
type Hash consistenthash.Hash
var errRingShardsDown = errors.New("redis: all ring shards are down")
//------------------------------------------------------------------------------
type ConsistentHash interface {
Get(string) string
}
type rendezvousWrapper struct {
*rendezvous.Rendezvous
}
func (w rendezvousWrapper) Get(key string) string {
return w.Lookup(key)
}
func newRendezvous(shards []string) ConsistentHash {
return rendezvousWrapper{rendezvous.New(shards, xxhash.Sum64String)}
}
//------------------------------------------------------------------------------
// RingOptions are used to configure a ring client and should be
// passed to NewRing.
type RingOptions struct {
// Map of name => host:port addresses of ring shards.
Addrs map[string]string
// Map of name => password of ring shards, to allow different shards to have
// different passwords. It will be ignored if the Password field is set.
Passwords map[string]string
// NewClient creates a shard client with provided name and options.
NewClient func(name string, opt *Options) *Client
// Frequency of PING commands sent to check shards availability.
// Shard is considered down after 3 subsequent failed checks.
HeartbeatFrequency time.Duration
// Hash function used in consistent hash.
// Default is crc32.ChecksumIEEE.
Hash Hash
// Number of replicas in consistent hash.
// Default is 100 replicas.
// NewConsistentHash returns a consistent hash that is used
// to distribute keys across the shards.
//
// Higher number of replicas will provide less deviation, that is keys will be
// distributed to nodes more evenly.
//
// Following is deviation for common nreplicas:
// --------------------------------------------------------
// | nreplicas | standard error | 99% confidence interval |
// | 10 | 0.3152 | (0.37, 1.98) |
// | 100 | 0.0997 | (0.76, 1.28) |
// | 1000 | 0.0316 | (0.92, 1.09) |
// --------------------------------------------------------
//
// See https://arxiv.org/abs/1406.2294 for reference
HashReplicas int
// NewClient creates a shard client with provided name and options.
NewClient func(name string, opt *Options) *Client
// Optional hook that is called when a new shard is created.
OnNewShard func(*Client)
// See https://medium.com/@dgryski/consistent-hashing-algorithmic-tradeoffs-ef6b8e2fcae8
// for consistent hashing algorithmic tradeoffs.
NewConsistentHash func(shards []string) ConsistentHash
// Following options are copied from Options struct.
OnConnect func(*Conn) error
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(ctx context.Context, cn *Conn) error
DB int
Username string
Password string
DB int
MaxRetries int
MinRetryBackoff time.Duration
@ -83,17 +84,31 @@ type RingOptions struct {
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
Limiter Limiter
}
func (opt *RingOptions) init() {
if opt.NewClient == nil {
opt.NewClient = func(name string, opt *Options) *Client {
return NewClient(opt)
}
}
if opt.HeartbeatFrequency == 0 {
opt.HeartbeatFrequency = 500 * time.Millisecond
}
if opt.HashReplicas == 0 {
opt.HashReplicas = 100
if opt.NewConsistentHash == nil {
opt.NewConsistentHash = newRendezvous
}
if opt.MaxRetries == -1 {
opt.MaxRetries = 0
} else if opt.MaxRetries == 0 {
opt.MaxRetries = 3
}
switch opt.MinRetryBackoff {
case -1:
opt.MinRetryBackoff = 0
@ -108,12 +123,16 @@ func (opt *RingOptions) init() {
}
}
func (opt *RingOptions) clientOptions(shard string) *Options {
func (opt *RingOptions) clientOptions() *Options {
return &Options{
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
Username: opt.Username,
Password: opt.Password,
DB: opt.DB,
Password: opt.getPassword(shard),
MaxRetries: -1,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
@ -125,14 +144,10 @@ func (opt *RingOptions) clientOptions(shard string) *Options {
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
}
}
func (opt *RingOptions) getPassword(shard string) string {
if opt.Password == "" {
return opt.Passwords[shard]
TLSConfig: opt.TLSConfig,
Limiter: opt.Limiter,
}
return opt.Password
}
//------------------------------------------------------------------------------
@ -142,6 +157,15 @@ type ringShard struct {
down int32
}
func newRingShard(opt *RingOptions, name, addr string) *ringShard {
clopt := opt.clientOptions()
clopt.Addr = addr
return &ringShard{
Client: opt.NewClient(name, clopt),
}
}
func (shard *ringShard) String() string {
var state string
if shard.IsUp() {
@ -183,40 +207,58 @@ type ringShards struct {
opt *RingOptions
mu sync.RWMutex
hash *consistenthash.Map
hash ConsistentHash
shards map[string]*ringShard // read only
list []*ringShard // read only
len int
numShard int
closed bool
}
func newRingShards(opt *RingOptions) *ringShards {
return &ringShards{
shards := make(map[string]*ringShard, len(opt.Addrs))
list := make([]*ringShard, 0, len(shards))
for name, addr := range opt.Addrs {
shard := newRingShard(opt, name, addr)
shards[name] = shard
list = append(list, shard)
}
c := &ringShards{
opt: opt,
hash: newConsistentHash(opt),
shards: make(map[string]*ringShard),
}
shards: shards,
list: list,
}
c.rebalance()
func (c *ringShards) Add(name string, cl *Client) {
shard := &ringShard{Client: cl}
c.hash.Add(name)
c.shards[name] = shard
c.list = append(c.list, shard)
return c
}
func (c *ringShards) List() []*ringShard {
var list []*ringShard
c.mu.RLock()
list := c.list
if !c.closed {
list = c.list
}
c.mu.RUnlock()
return list
}
func (c *ringShards) Hash(key string) string {
key = hashtag.Key(key)
var hash string
c.mu.RLock()
hash := c.hash.Get(key)
if c.numShard > 0 {
hash = c.hash.Get(key)
}
c.mu.RUnlock()
return hash
}
@ -230,6 +272,11 @@ func (c *ringShards) GetByKey(key string) (*ringShard, error) {
return nil, pool.ErrClosed
}
if c.numShard == 0 {
c.mu.RUnlock()
return nil, errRingShardsDown
}
hash := c.hash.Get(key)
if hash == "" {
c.mu.RUnlock()
@ -242,13 +289,13 @@ func (c *ringShards) GetByKey(key string) (*ringShard, error) {
return shard, nil
}
func (c *ringShards) GetByHash(name string) (*ringShard, error) {
if name == "" {
func (c *ringShards) GetByName(shardName string) (*ringShard, error) {
if shardName == "" {
return c.Random()
}
c.mu.RLock()
shard := c.shards[name]
shard := c.shards[shardName]
c.mu.RUnlock()
return shard, nil
}
@ -261,23 +308,16 @@ func (c *ringShards) Random() (*ringShard, error) {
func (c *ringShards) Heartbeat(frequency time.Duration) {
ticker := time.NewTicker(frequency)
defer ticker.Stop()
ctx := context.Background()
for range ticker.C {
var rebalance bool
c.mu.RLock()
if c.closed {
c.mu.RUnlock()
break
}
shards := c.list
c.mu.RUnlock()
for _, shard := range shards {
err := shard.Client.Ping().Err()
if shard.Vote(err == nil || err == pool.ErrPoolTimeout) {
internal.Logger.Printf("ring shard state changed: %s", shard)
for _, shard := range c.List() {
err := shard.Client.Ping(ctx).Err()
isUp := err == nil || err == pool.ErrPoolTimeout
if shard.Vote(isUp) {
internal.Logger.Printf(context.Background(), "ring shard state changed: %s", shard)
rebalance = true
}
}
@ -294,24 +334,25 @@ func (c *ringShards) rebalance() {
shards := c.shards
c.mu.RUnlock()
hash := newConsistentHash(c.opt)
var shardsNum int
liveShards := make([]string, 0, len(shards))
for name, shard := range shards {
if shard.IsUp() {
hash.Add(name)
shardsNum++
liveShards = append(liveShards, name)
}
}
hash := c.opt.NewConsistentHash(liveShards)
c.mu.Lock()
c.hash = hash
c.len = shardsNum
c.numShard = len(liveShards)
c.mu.Unlock()
}
func (c *ringShards) Len() int {
c.mu.RLock()
l := c.len
l := c.numShard
c.mu.RUnlock()
return l
}
@ -377,34 +418,15 @@ func NewRing(opt *RingOptions) *Ring {
},
ctx: context.Background(),
}
ring.cmdsInfoCache = newCmdsInfoCache(ring.cmdsInfo)
ring.cmdable = ring.Process
for name, addr := range opt.Addrs {
shard := newRingShard(opt, name, addr)
ring.shards.Add(name, shard)
}
go ring.shards.Heartbeat(opt.HeartbeatFrequency)
return &ring
}
func newRingShard(opt *RingOptions, name, addr string) *Client {
clopt := opt.clientOptions(name)
clopt.Addr = addr
var shard *Client
if opt.NewClient != nil {
shard = opt.NewClient(name, clopt)
} else {
shard = NewClient(clopt)
}
if opt.OnNewShard != nil {
opt.OnNewShard(shard)
}
return shard
}
func (c *Ring) Context() context.Context {
return c.ctx
}
@ -421,21 +443,13 @@ func (c *Ring) WithContext(ctx context.Context) *Ring {
}
// Do creates a Cmd from the args and processes the cmd.
func (c *Ring) Do(args ...interface{}) *Cmd {
return c.DoContext(c.ctx, args...)
}
func (c *Ring) DoContext(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.ProcessContext(ctx, cmd)
func (c *Ring) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
func (c *Ring) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *Ring) ProcessContext(ctx context.Context, cmd Cmder) error {
func (c *Ring) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.process)
}
@ -469,7 +483,7 @@ func (c *Ring) Len() int {
}
// Subscribe subscribes the client to the specified channels.
func (c *Ring) Subscribe(channels ...string) *PubSub {
func (c *Ring) Subscribe(ctx context.Context, channels ...string) *PubSub {
if len(channels) == 0 {
panic("at least one channel is required")
}
@ -479,11 +493,11 @@ func (c *Ring) Subscribe(channels ...string) *PubSub {
// TODO: return PubSub with sticky error
panic(err)
}
return shard.Client.Subscribe(channels...)
return shard.Client.Subscribe(ctx, channels...)
}
// PSubscribe subscribes the client to the given patterns.
func (c *Ring) PSubscribe(channels ...string) *PubSub {
func (c *Ring) PSubscribe(ctx context.Context, channels ...string) *PubSub {
if len(channels) == 0 {
panic("at least one channel is required")
}
@ -493,12 +507,15 @@ func (c *Ring) PSubscribe(channels ...string) *PubSub {
// TODO: return PubSub with sticky error
panic(err)
}
return shard.Client.PSubscribe(channels...)
return shard.Client.PSubscribe(ctx, channels...)
}
// ForEachShard concurrently calls the fn on each live shard in the ring.
// It returns the first error if any.
func (c *Ring) ForEachShard(fn func(client *Client) error) error {
func (c *Ring) ForEachShard(
ctx context.Context,
fn func(ctx context.Context, client *Client) error,
) error {
shards := c.shards.List()
var wg sync.WaitGroup
errCh := make(chan error, 1)
@ -510,7 +527,7 @@ func (c *Ring) ForEachShard(fn func(client *Client) error) error {
wg.Add(1)
go func(shard *ringShard) {
defer wg.Done()
err := fn(shard.Client)
err := fn(ctx, shard.Client)
if err != nil {
select {
case errCh <- err:
@ -529,11 +546,11 @@ func (c *Ring) ForEachShard(fn func(client *Client) error) error {
}
}
func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
func (c *Ring) cmdsInfo(ctx context.Context) (map[string]*CommandInfo, error) {
shards := c.shards.List()
firstErr := errRingShardsDown
var firstErr error
for _, shard := range shards {
cmdsInfo, err := shard.Client.Command().Result()
cmdsInfo, err := shard.Client.Command(ctx).Result()
if err == nil {
return cmdsInfo, nil
}
@ -541,23 +558,26 @@ func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
firstErr = err
}
}
if firstErr == nil {
return nil, errRingShardsDown
}
return nil, firstErr
}
func (c *Ring) cmdInfo(name string) *CommandInfo {
cmdsInfo, err := c.cmdsInfoCache.Get()
func (c *Ring) cmdInfo(ctx context.Context, name string) *CommandInfo {
cmdsInfo, err := c.cmdsInfoCache.Get(ctx)
if err != nil {
return nil
}
info := cmdsInfo[name]
if info == nil {
internal.Logger.Printf("info for cmd=%s not found", name)
internal.Logger.Printf(c.Context(), "info for cmd=%s not found", name)
}
return info
}
func (c *Ring) cmdShard(cmd Cmder) (*ringShard, error) {
cmdInfo := c.cmdInfo(cmd.Name())
func (c *Ring) cmdShard(ctx context.Context, cmd Cmder) (*ringShard, error) {
cmdInfo := c.cmdInfo(ctx, cmd.Name())
pos := cmdFirstKeyPos(cmd, cmdInfo)
if pos == 0 {
return c.shards.Random()
@ -567,15 +587,6 @@ func (c *Ring) cmdShard(cmd Cmder) (*ringShard, error) {
}
func (c *Ring) process(ctx context.Context, cmd Cmder) error {
err := c._process(ctx, cmd)
if err != nil {
cmd.SetErr(err)
return err
}
return nil
}
func (c *Ring) _process(ctx context.Context, cmd Cmder) error {
var lastErr error
for attempt := 0; attempt <= c.opt.MaxRetries; attempt++ {
if attempt > 0 {
@ -584,21 +595,21 @@ func (c *Ring) _process(ctx context.Context, cmd Cmder) error {
}
}
shard, err := c.cmdShard(cmd)
shard, err := c.cmdShard(ctx, cmd)
if err != nil {
return err
}
lastErr = shard.Client.ProcessContext(ctx, cmd)
if lastErr == nil || !isRetryableError(lastErr, cmd.readTimeout() == nil) {
lastErr = shard.Client.Process(ctx, cmd)
if lastErr == nil || !shouldRetry(lastErr, cmd.readTimeout() == nil) {
return lastErr
}
}
return lastErr
}
func (c *Ring) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Ring) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Ring) Pipeline() Pipeliner {
@ -616,8 +627,8 @@ func (c *Ring) processPipeline(ctx context.Context, cmds []Cmder) error {
})
}
func (c *Ring) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Ring) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
func (c *Ring) TxPipeline() Pipeliner {
@ -640,10 +651,10 @@ func (c *Ring) generalProcessPipeline(
) error {
cmdsMap := make(map[string][]Cmder)
for _, cmd := range cmds {
cmdInfo := c.cmdInfo(cmd.Name())
cmdInfo := c.cmdInfo(ctx, cmd.Name())
hash := cmd.stringArg(cmdFirstKeyPos(cmd, cmdInfo))
if hash != "" {
hash = c.shards.Hash(hashtag.Key(hash))
hash = c.shards.Hash(hash)
}
cmdsMap[hash] = append(cmdsMap[hash], cmd)
}
@ -666,29 +677,19 @@ func (c *Ring) processShardPipeline(
ctx context.Context, hash string, cmds []Cmder, tx bool,
) error {
// TODO: retry?
shard, err := c.shards.GetByHash(hash)
shard, err := c.shards.GetByName(hash)
if err != nil {
setCmdsErr(cmds, err)
return err
}
if tx {
err = shard.Client.processTxPipeline(ctx, cmds)
} else {
err = shard.Client.processPipeline(ctx, cmds)
return shard.Client.processTxPipeline(ctx, cmds)
}
return err
return shard.Client.processPipeline(ctx, cmds)
}
// Close closes the ring client, releasing any open resources.
//
// It is rare to Close a Ring, as the Ring is meant to be long-lived
// and shared between many goroutines.
func (c *Ring) Close() error {
return c.shards.Close()
}
func (c *Ring) Watch(fn func(*Tx) error, keys ...string) error {
func (c *Ring) Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error {
if len(keys) == 0 {
return fmt.Errorf("redis: Watch requires at least one key")
}
@ -718,9 +719,13 @@ func (c *Ring) Watch(fn func(*Tx) error, keys ...string) error {
}
}
return shards[0].Client.Watch(fn, keys...)
return shards[0].Client.Watch(ctx, fn, keys...)
}
func newConsistentHash(opt *RingOptions) *consistenthash.Map {
return consistenthash.New(opt.HashReplicas, consistenthash.Hash(opt.Hash))
// Close closes the ring client, releasing any open resources.
//
// It is rare to Close a Ring, as the Ring is meant to be long-lived
// and shared between many goroutines.
func (c *Ring) Close() error {
return c.shards.Close()
}

65
vendor/github.com/go-redis/redis/v8/script.go generated vendored Normal file
View File

@ -0,0 +1,65 @@
package redis
import (
"context"
"crypto/sha1"
"encoding/hex"
"io"
"strings"
)
type Scripter interface {
Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd
EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd
ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd
ScriptLoad(ctx context.Context, script string) *StringCmd
}
var (
_ Scripter = (*Client)(nil)
_ Scripter = (*Ring)(nil)
_ Scripter = (*ClusterClient)(nil)
)
type Script struct {
src, hash string
}
func NewScript(src string) *Script {
h := sha1.New()
_, _ = io.WriteString(h, src)
return &Script{
src: src,
hash: hex.EncodeToString(h.Sum(nil)),
}
}
func (s *Script) Hash() string {
return s.hash
}
func (s *Script) Load(ctx context.Context, c Scripter) *StringCmd {
return c.ScriptLoad(ctx, s.src)
}
func (s *Script) Exists(ctx context.Context, c Scripter) *BoolSliceCmd {
return c.ScriptExists(ctx, s.hash)
}
func (s *Script) Eval(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
return c.Eval(ctx, s.src, keys, args...)
}
func (s *Script) EvalSha(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
return c.EvalSha(ctx, s.hash, keys, args...)
}
// Run optimistically uses EVALSHA to run the script. If script does not exist
// it is retried using EVAL.
func (s *Script) Run(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
r := s.EvalSha(ctx, c, keys, args...)
if err := r.Err(); err != nil && strings.HasPrefix(err.Error(), "NOSCRIPT ") {
return s.Eval(ctx, c, keys, args...)
}
return r
}

738
vendor/github.com/go-redis/redis/v8/sentinel.go generated vendored Normal file
View File

@ -0,0 +1,738 @@
package redis
import (
"context"
"crypto/tls"
"errors"
"net"
"strings"
"sync"
"time"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/rand"
)
//------------------------------------------------------------------------------
// FailoverOptions are used to configure a failover client and should
// be passed to NewFailoverClient.
type FailoverOptions struct {
// The master name.
MasterName string
// A seed list of host:port addresses of sentinel nodes.
SentinelAddrs []string
// Sentinel password from "requirepass <password>" (if enabled) in Sentinel configuration
SentinelPassword string
// Allows routing read-only commands to the closest master or slave node.
// This option only works with NewFailoverClusterClient.
RouteByLatency bool
// Allows routing read-only commands to the random master or slave node.
// This option only works with NewFailoverClusterClient.
RouteRandomly bool
// Route all commands to slave read-only nodes.
SlaveOnly bool
// Following options are copied from Options struct.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(ctx context.Context, cn *Conn) error
Username string
Password string
DB int
MaxRetries int
MinRetryBackoff time.Duration
MaxRetryBackoff time.Duration
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
}
func (opt *FailoverOptions) clientOptions() *Options {
return &Options{
Addr: "FailoverClient",
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
DB: opt.DB,
Username: opt.Username,
Password: opt.Password,
MaxRetries: opt.MaxRetries,
MinRetryBackoff: opt.MinRetryBackoff,
MaxRetryBackoff: opt.MaxRetryBackoff,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolSize: opt.PoolSize,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
TLSConfig: opt.TLSConfig,
}
}
func (opt *FailoverOptions) sentinelOptions(addr string) *Options {
return &Options{
Addr: addr,
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
DB: 0,
Password: opt.SentinelPassword,
MaxRetries: opt.MaxRetries,
MinRetryBackoff: opt.MinRetryBackoff,
MaxRetryBackoff: opt.MaxRetryBackoff,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolSize: opt.PoolSize,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
TLSConfig: opt.TLSConfig,
}
}
func (opt *FailoverOptions) clusterOptions() *ClusterOptions {
return &ClusterOptions{
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
Username: opt.Username,
Password: opt.Password,
MaxRedirects: opt.MaxRetries,
RouteByLatency: opt.RouteByLatency,
RouteRandomly: opt.RouteRandomly,
MinRetryBackoff: opt.MinRetryBackoff,
MaxRetryBackoff: opt.MaxRetryBackoff,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolSize: opt.PoolSize,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
TLSConfig: opt.TLSConfig,
}
}
// NewFailoverClient returns a Redis client that uses Redis Sentinel
// for automatic failover. It's safe for concurrent use by multiple
// goroutines.
func NewFailoverClient(failoverOpt *FailoverOptions) *Client {
if failoverOpt.RouteByLatency {
panic("to route commands by latency, use NewFailoverClusterClient")
}
if failoverOpt.RouteRandomly {
panic("to route commands randomly, use NewFailoverClusterClient")
}
sentinelAddrs := make([]string, len(failoverOpt.SentinelAddrs))
copy(sentinelAddrs, failoverOpt.SentinelAddrs)
failover := &sentinelFailover{
opt: failoverOpt,
sentinelAddrs: sentinelAddrs,
}
opt := failoverOpt.clientOptions()
opt.Dialer = masterSlaveDialer(failover)
opt.init()
connPool := newConnPool(opt)
failover.mu.Lock()
failover.onFailover = func(ctx context.Context, addr string) {
_ = connPool.Filter(func(cn *pool.Conn) bool {
return cn.RemoteAddr().String() != addr
})
}
failover.mu.Unlock()
c := Client{
baseClient: newBaseClient(opt, connPool),
ctx: context.Background(),
}
c.cmdable = c.Process
c.onClose = failover.Close
return &c
}
func masterSlaveDialer(
failover *sentinelFailover,
) func(ctx context.Context, network, addr string) (net.Conn, error) {
return func(ctx context.Context, network, _ string) (net.Conn, error) {
var addr string
var err error
if failover.opt.SlaveOnly {
addr, err = failover.RandomSlaveAddr(ctx)
} else {
addr, err = failover.MasterAddr(ctx)
if err == nil {
failover.trySwitchMaster(ctx, addr)
}
}
if err != nil {
return nil, err
}
if failover.opt.Dialer != nil {
return failover.opt.Dialer(ctx, network, addr)
}
return net.DialTimeout("tcp", addr, failover.opt.DialTimeout)
}
}
//------------------------------------------------------------------------------
// SentinelClient is a client for a Redis Sentinel.
type SentinelClient struct {
*baseClient
hooks
ctx context.Context
}
func NewSentinelClient(opt *Options) *SentinelClient {
opt.init()
c := &SentinelClient{
baseClient: &baseClient{
opt: opt,
connPool: newConnPool(opt),
},
ctx: context.Background(),
}
return c
}
func (c *SentinelClient) Context() context.Context {
return c.ctx
}
func (c *SentinelClient) WithContext(ctx context.Context) *SentinelClient {
if ctx == nil {
panic("nil context")
}
clone := *c
clone.ctx = ctx
return &clone
}
func (c *SentinelClient) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
func (c *SentinelClient) pubSub() *PubSub {
pubsub := &PubSub{
opt: c.opt,
newConn: func(ctx context.Context, channels []string) (*pool.Conn, error) {
return c.newConn(ctx)
},
closeConn: c.connPool.CloseConn,
}
pubsub.init()
return pubsub
}
// Ping is used to test if a connection is still alive, or to
// measure latency.
func (c *SentinelClient) Ping(ctx context.Context) *StringCmd {
cmd := NewStringCmd(ctx, "ping")
_ = c.Process(ctx, cmd)
return cmd
}
// Subscribe subscribes the client to the specified channels.
// Channels can be omitted to create empty subscription.
func (c *SentinelClient) Subscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.Subscribe(ctx, channels...)
}
return pubsub
}
// PSubscribe subscribes the client to the given patterns.
// Patterns can be omitted to create empty subscription.
func (c *SentinelClient) PSubscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.PSubscribe(ctx, channels...)
}
return pubsub
}
func (c *SentinelClient) GetMasterAddrByName(ctx context.Context, name string) *StringSliceCmd {
cmd := NewStringSliceCmd(ctx, "sentinel", "get-master-addr-by-name", name)
_ = c.Process(ctx, cmd)
return cmd
}
func (c *SentinelClient) Sentinels(ctx context.Context, name string) *SliceCmd {
cmd := NewSliceCmd(ctx, "sentinel", "sentinels", name)
_ = c.Process(ctx, cmd)
return cmd
}
// Failover forces a failover as if the master was not reachable, and without
// asking for agreement to other Sentinels.
func (c *SentinelClient) Failover(ctx context.Context, name string) *StatusCmd {
cmd := NewStatusCmd(ctx, "sentinel", "failover", name)
_ = c.Process(ctx, cmd)
return cmd
}
// Reset resets all the masters with matching name. The pattern argument is a
// glob-style pattern. The reset process clears any previous state in a master
// (including a failover in progress), and removes every slave and sentinel
// already discovered and associated with the master.
func (c *SentinelClient) Reset(ctx context.Context, pattern string) *IntCmd {
cmd := NewIntCmd(ctx, "sentinel", "reset", pattern)
_ = c.Process(ctx, cmd)
return cmd
}
// FlushConfig forces Sentinel to rewrite its configuration on disk, including
// the current Sentinel state.
func (c *SentinelClient) FlushConfig(ctx context.Context) *StatusCmd {
cmd := NewStatusCmd(ctx, "sentinel", "flushconfig")
_ = c.Process(ctx, cmd)
return cmd
}
// Master shows the state and info of the specified master.
func (c *SentinelClient) Master(ctx context.Context, name string) *StringStringMapCmd {
cmd := NewStringStringMapCmd(ctx, "sentinel", "master", name)
_ = c.Process(ctx, cmd)
return cmd
}
// Masters shows a list of monitored masters and their state.
func (c *SentinelClient) Masters(ctx context.Context) *SliceCmd {
cmd := NewSliceCmd(ctx, "sentinel", "masters")
_ = c.Process(ctx, cmd)
return cmd
}
// Slaves shows a list of slaves for the specified master and their state.
func (c *SentinelClient) Slaves(ctx context.Context, name string) *SliceCmd {
cmd := NewSliceCmd(ctx, "sentinel", "slaves", name)
_ = c.Process(ctx, cmd)
return cmd
}
// CkQuorum checks if the current Sentinel configuration is able to reach the
// quorum needed to failover a master, and the majority needed to authorize the
// failover. This command should be used in monitoring systems to check if a
// Sentinel deployment is ok.
func (c *SentinelClient) CkQuorum(ctx context.Context, name string) *StringCmd {
cmd := NewStringCmd(ctx, "sentinel", "ckquorum", name)
_ = c.Process(ctx, cmd)
return cmd
}
// Monitor tells the Sentinel to start monitoring a new master with the specified
// name, ip, port, and quorum.
func (c *SentinelClient) Monitor(ctx context.Context, name, ip, port, quorum string) *StringCmd {
cmd := NewStringCmd(ctx, "sentinel", "monitor", name, ip, port, quorum)
_ = c.Process(ctx, cmd)
return cmd
}
// Set is used in order to change configuration parameters of a specific master.
func (c *SentinelClient) Set(ctx context.Context, name, option, value string) *StringCmd {
cmd := NewStringCmd(ctx, "sentinel", "set", name, option, value)
_ = c.Process(ctx, cmd)
return cmd
}
// Remove is used in order to remove the specified master: the master will no
// longer be monitored, and will totally be removed from the internal state of
// the Sentinel.
func (c *SentinelClient) Remove(ctx context.Context, name string) *StringCmd {
cmd := NewStringCmd(ctx, "sentinel", "remove", name)
_ = c.Process(ctx, cmd)
return cmd
}
//------------------------------------------------------------------------------
type sentinelFailover struct {
opt *FailoverOptions
sentinelAddrs []string
onFailover func(ctx context.Context, addr string)
onUpdate func(ctx context.Context)
mu sync.RWMutex
_masterAddr string
sentinel *SentinelClient
pubsub *PubSub
}
func (c *sentinelFailover) Close() error {
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
return c.closeSentinel()
}
return nil
}
func (c *sentinelFailover) closeSentinel() error {
firstErr := c.pubsub.Close()
c.pubsub = nil
err := c.sentinel.Close()
if err != nil && firstErr == nil {
firstErr = err
}
c.sentinel = nil
return firstErr
}
func (c *sentinelFailover) RandomSlaveAddr(ctx context.Context) (string, error) {
addresses, err := c.slaveAddrs(ctx)
if err != nil {
return "", err
}
if len(addresses) == 0 {
return c.MasterAddr(ctx)
}
return addresses[rand.Intn(len(addresses))], nil
}
func (c *sentinelFailover) MasterAddr(ctx context.Context) (string, error) {
c.mu.RLock()
sentinel := c.sentinel
c.mu.RUnlock()
if sentinel != nil {
addr := c.getMasterAddr(ctx, sentinel)
if addr != "" {
return addr, nil
}
}
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
addr := c.getMasterAddr(ctx, c.sentinel)
if addr != "" {
return addr, nil
}
_ = c.closeSentinel()
}
for i, sentinelAddr := range c.sentinelAddrs {
sentinel := NewSentinelClient(c.opt.sentinelOptions(sentinelAddr))
masterAddr, err := sentinel.GetMasterAddrByName(ctx, c.opt.MasterName).Result()
if err != nil {
internal.Logger.Printf(ctx, "sentinel: GetMasterAddrByName master=%q failed: %s",
c.opt.MasterName, err)
_ = sentinel.Close()
continue
}
// Push working sentinel to the top.
c.sentinelAddrs[0], c.sentinelAddrs[i] = c.sentinelAddrs[i], c.sentinelAddrs[0]
c.setSentinel(ctx, sentinel)
addr := net.JoinHostPort(masterAddr[0], masterAddr[1])
return addr, nil
}
return "", errors.New("redis: all sentinels specified in configuration are unreachable")
}
func (c *sentinelFailover) slaveAddrs(ctx context.Context) ([]string, error) {
c.mu.RLock()
sentinel := c.sentinel
c.mu.RUnlock()
if sentinel != nil {
addrs := c.getSlaveAddrs(ctx, sentinel)
if len(addrs) > 0 {
return addrs, nil
}
}
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
addrs := c.getSlaveAddrs(ctx, c.sentinel)
if len(addrs) > 0 {
return addrs, nil
}
_ = c.closeSentinel()
}
for i, sentinelAddr := range c.sentinelAddrs {
sentinel := NewSentinelClient(c.opt.sentinelOptions(sentinelAddr))
slaves, err := sentinel.Slaves(ctx, c.opt.MasterName).Result()
if err != nil {
internal.Logger.Printf(ctx, "sentinel: Slaves master=%q failed: %s",
c.opt.MasterName, err)
_ = sentinel.Close()
continue
}
// Push working sentinel to the top.
c.sentinelAddrs[0], c.sentinelAddrs[i] = c.sentinelAddrs[i], c.sentinelAddrs[0]
c.setSentinel(ctx, sentinel)
addrs := parseSlaveAddrs(slaves)
return addrs, nil
}
return []string{}, errors.New("redis: all sentinels specified in configuration are unreachable")
}
func (c *sentinelFailover) getMasterAddr(ctx context.Context, sentinel *SentinelClient) string {
addr, err := sentinel.GetMasterAddrByName(ctx, c.opt.MasterName).Result()
if err != nil {
internal.Logger.Printf(ctx, "sentinel: GetMasterAddrByName name=%q failed: %s",
c.opt.MasterName, err)
return ""
}
return net.JoinHostPort(addr[0], addr[1])
}
func (c *sentinelFailover) getSlaveAddrs(ctx context.Context, sentinel *SentinelClient) []string {
addrs, err := sentinel.Slaves(ctx, c.opt.MasterName).Result()
if err != nil {
internal.Logger.Printf(ctx, "sentinel: Slaves name=%q failed: %s",
c.opt.MasterName, err)
return []string{}
}
return parseSlaveAddrs(addrs)
}
func parseSlaveAddrs(addrs []interface{}) []string {
nodes := make([]string, 0, len(addrs))
for _, node := range addrs {
ip := ""
port := ""
flags := []string{}
lastkey := ""
isDown := false
for _, key := range node.([]interface{}) {
switch lastkey {
case "ip":
ip = key.(string)
case "port":
port = key.(string)
case "flags":
flags = strings.Split(key.(string), ",")
}
lastkey = key.(string)
}
for _, flag := range flags {
switch flag {
case "s_down", "o_down", "disconnected":
isDown = true
}
}
if !isDown {
nodes = append(nodes, net.JoinHostPort(ip, port))
}
}
return nodes
}
func (c *sentinelFailover) trySwitchMaster(ctx context.Context, addr string) {
c.mu.RLock()
currentAddr := c._masterAddr
c.mu.RUnlock()
if addr == currentAddr {
return
}
c.mu.Lock()
defer c.mu.Unlock()
if addr == c._masterAddr {
return
}
c._masterAddr = addr
internal.Logger.Printf(ctx, "sentinel: new master=%q addr=%q",
c.opt.MasterName, addr)
if c.onFailover != nil {
c.onFailover(ctx, addr)
}
}
func (c *sentinelFailover) setSentinel(ctx context.Context, sentinel *SentinelClient) {
if c.sentinel != nil {
panic("not reached")
}
c.sentinel = sentinel
c.discoverSentinels(ctx)
c.pubsub = sentinel.Subscribe(ctx, "+switch-master", "+slave-reconf-done")
go c.listen(c.pubsub)
}
func (c *sentinelFailover) discoverSentinels(ctx context.Context) {
sentinels, err := c.sentinel.Sentinels(ctx, c.opt.MasterName).Result()
if err != nil {
internal.Logger.Printf(ctx, "sentinel: Sentinels master=%q failed: %s", c.opt.MasterName, err)
return
}
for _, sentinel := range sentinels {
vals := sentinel.([]interface{})
for i := 0; i < len(vals); i += 2 {
key := vals[i].(string)
if key == "name" {
sentinelAddr := vals[i+1].(string)
if !contains(c.sentinelAddrs, sentinelAddr) {
internal.Logger.Printf(ctx, "sentinel: discovered new sentinel=%q for master=%q",
sentinelAddr, c.opt.MasterName)
c.sentinelAddrs = append(c.sentinelAddrs, sentinelAddr)
}
}
}
}
}
func (c *sentinelFailover) listen(pubsub *PubSub) {
ctx := context.TODO()
if c.onUpdate != nil {
c.onUpdate(ctx)
}
ch := pubsub.Channel()
for msg := range ch {
if msg.Channel == "+switch-master" {
parts := strings.Split(msg.Payload, " ")
if parts[0] != c.opt.MasterName {
internal.Logger.Printf(pubsub.getContext(), "sentinel: ignore addr for master=%q", parts[0])
continue
}
addr := net.JoinHostPort(parts[3], parts[4])
c.trySwitchMaster(pubsub.getContext(), addr)
}
if c.onUpdate != nil {
c.onUpdate(ctx)
}
}
}
func contains(slice []string, str string) bool {
for _, s := range slice {
if s == str {
return true
}
}
return false
}
//------------------------------------------------------------------------------
// NewFailoverClusterClient returns a client that supports routing read-only commands
// to a slave node.
func NewFailoverClusterClient(failoverOpt *FailoverOptions) *ClusterClient {
sentinelAddrs := make([]string, len(failoverOpt.SentinelAddrs))
copy(sentinelAddrs, failoverOpt.SentinelAddrs)
failover := &sentinelFailover{
opt: failoverOpt,
sentinelAddrs: sentinelAddrs,
}
opt := failoverOpt.clusterOptions()
opt.ClusterSlots = func(ctx context.Context) ([]ClusterSlot, error) {
masterAddr, err := failover.MasterAddr(ctx)
if err != nil {
return nil, err
}
nodes := []ClusterNode{{
Addr: masterAddr,
}}
slaveAddrs, err := failover.slaveAddrs(ctx)
if err != nil {
return nil, err
}
for _, slaveAddr := range slaveAddrs {
nodes = append(nodes, ClusterNode{
Addr: slaveAddr,
})
}
slots := []ClusterSlot{
{
Start: 0,
End: 16383,
Nodes: nodes,
},
}
return slots, nil
}
c := NewClusterClient(opt)
failover.mu.Lock()
failover.onUpdate = func(ctx context.Context) {
c.ReloadState(ctx)
}
failover.mu.Unlock()
return c
}

51
vendor/github.com/go-redis/redis/v7/tx.go → vendor/github.com/go-redis/redis/v8/tx.go generated vendored
View File

@ -3,8 +3,8 @@ package redis
import (
"context"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
// TxFailedErr transaction redis failed.
@ -26,7 +26,7 @@ func (c *Client) newTx(ctx context.Context) *Tx {
tx := Tx{
baseClient: baseClient{
opt: c.opt,
connPool: pool.NewStickyConnPool(c.connPool.(*pool.ConnPool), true),
connPool: pool.NewStickyConnPool(c.connPool),
},
hooks: c.hooks.clone(),
ctx: ctx,
@ -55,11 +55,7 @@ func (c *Tx) WithContext(ctx context.Context) *Tx {
return &clone
}
func (c *Tx) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *Tx) ProcessContext(ctx context.Context, cmd Cmder) error {
func (c *Tx) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
@ -67,52 +63,45 @@ func (c *Tx) ProcessContext(ctx context.Context, cmd Cmder) error {
// for conditional execution if there are any keys.
//
// The transaction is automatically closed when fn exits.
func (c *Client) Watch(fn func(*Tx) error, keys ...string) error {
return c.WatchContext(c.ctx, fn, keys...)
}
func (c *Client) WatchContext(ctx context.Context, fn func(*Tx) error, keys ...string) error {
func (c *Client) Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error {
tx := c.newTx(ctx)
defer tx.Close(ctx)
if len(keys) > 0 {
if err := tx.Watch(keys...).Err(); err != nil {
_ = tx.Close()
if err := tx.Watch(ctx, keys...).Err(); err != nil {
return err
}
}
err := fn(tx)
_ = tx.Close()
return err
return fn(tx)
}
// Close closes the transaction, releasing any open resources.
func (c *Tx) Close() error {
_ = c.Unwatch().Err()
func (c *Tx) Close(ctx context.Context) error {
_ = c.Unwatch(ctx).Err()
return c.baseClient.Close()
}
// Watch marks the keys to be watched for conditional execution
// of a transaction.
func (c *Tx) Watch(keys ...string) *StatusCmd {
func (c *Tx) Watch(ctx context.Context, keys ...string) *StatusCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "watch"
for i, key := range keys {
args[1+i] = key
}
cmd := NewStatusCmd(args...)
_ = c.Process(cmd)
cmd := NewStatusCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
// Unwatch flushes all the previously watched keys for a transaction.
func (c *Tx) Unwatch(keys ...string) *StatusCmd {
func (c *Tx) Unwatch(ctx context.Context, keys ...string) *StatusCmd {
args := make([]interface{}, 1+len(keys))
args[0] = "unwatch"
for i, key := range keys {
args[1+i] = key
}
cmd := NewStatusCmd(args...)
_ = c.Process(cmd)
cmd := NewStatusCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
@ -130,8 +119,8 @@ func (c *Tx) Pipeline() Pipeliner {
// Pipelined executes commands queued in the fn outside of the transaction.
// Use TxPipelined if you need transactional behavior.
func (c *Tx) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Tx) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
// TxPipelined executes commands queued in the fn in the transaction.
@ -142,8 +131,8 @@ func (c *Tx) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
// Exec always returns list of commands. If transaction fails
// TxFailedErr is returned. Otherwise Exec returns an error of the first
// failed command or nil.
func (c *Tx) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Tx) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
// TxPipeline creates a pipeline. Usually it is more convenient to use TxPipelined.

30
vendor/github.com/go-redis/redis/v7/universal.go → vendor/github.com/go-redis/redis/v8/universal.go generated vendored
View File

@ -21,21 +21,27 @@ type UniversalOptions struct {
// Common options.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(*Conn) error
OnConnect func(ctx context.Context, cn *Conn) error
Username string
Password string
SentinelPassword string
MaxRetries int
MinRetryBackoff time.Duration
MaxRetryBackoff time.Duration
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
// Only cluster clients.
@ -103,6 +109,7 @@ func (o *UniversalOptions) Failover() *FailoverOptions {
DB: o.DB,
Username: o.Username,
Password: o.Password,
SentinelPassword: o.SentinelPassword,
MaxRetries: o.MaxRetries,
MinRetryBackoff: o.MinRetryBackoff,
@ -168,19 +175,20 @@ type UniversalClient interface {
Cmdable
Context() context.Context
AddHook(Hook)
Watch(fn func(*Tx) error, keys ...string) error
Do(args ...interface{}) *Cmd
DoContext(ctx context.Context, args ...interface{}) *Cmd
Process(cmd Cmder) error
ProcessContext(ctx context.Context, cmd Cmder) error
Subscribe(channels ...string) *PubSub
PSubscribe(channels ...string) *PubSub
Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error
Do(ctx context.Context, args ...interface{}) *Cmd
Process(ctx context.Context, cmd Cmder) error
Subscribe(ctx context.Context, channels ...string) *PubSub
PSubscribe(ctx context.Context, channels ...string) *PubSub
Close() error
PoolStats() *PoolStats
}
var _ UniversalClient = (*Client)(nil)
var _ UniversalClient = (*ClusterClient)(nil)
var _ UniversalClient = (*Ring)(nil)
var (
_ UniversalClient = (*Client)(nil)
_ UniversalClient = (*ClusterClient)(nil)
_ UniversalClient = (*Ring)(nil)
)
// NewUniversalClient returns a new multi client. The type of client returned depends
// on the following three conditions:

23
vendor/go.opentelemetry.io/otel/.gitignore generated vendored Normal file
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@ -0,0 +1,23 @@
.DS_Store
Thumbs.db
.tools/
.idea/
.vscode/
*.iml
*.so
coverage.*
gen/
/example/grpc/client/client
/example/grpc/server/server
/example/http/client/client
/example/http/server/server
/example/jaeger/jaeger
/example/namedtracer/namedtracer
/example/opencensus/opencensus
/example/prometheus/prometheus
/example/prom-collector/prom-collector
/example/zipkin/zipkin
/example/otel-collector/otel-collector

3
vendor/go.opentelemetry.io/otel/.gitmodules generated vendored Normal file
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@ -0,0 +1,3 @@
[submodule "opentelemetry-proto"]
path = exporters/otlp/internal/opentelemetry-proto
url = https://github.com/open-telemetry/opentelemetry-proto

32
vendor/go.opentelemetry.io/otel/.golangci.yml generated vendored Normal file
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@ -0,0 +1,32 @@
# See https://github.com/golangci/golangci-lint#config-file
run:
issues-exit-code: 1 #Default
tests: true #Default
linters:
enable:
- misspell
- goimports
- golint
- gofmt
issues:
exclude-rules:
# helpers in tests often (rightfully) pass a *testing.T as their first argument
- path: _test\.go
text: "context.Context should be the first parameter of a function"
linters:
- golint
# Yes, they are, but it's okay in a test
- path: _test\.go
text: "exported func.*returns unexported type.*which can be annoying to use"
linters:
- golint
linters-settings:
misspell:
locale: US
ignore-words:
- cancelled
goimports:
local-prefixes: go.opentelemetry.io

1054
vendor/go.opentelemetry.io/otel/CHANGELOG.md generated vendored Normal file
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File diff suppressed because it is too large Load Diff

17
vendor/go.opentelemetry.io/otel/CODEOWNERS generated vendored Normal file
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@ -0,0 +1,17 @@
#####################################################
#
# List of approvers for this repository
#
#####################################################
#
# Learn about membership in OpenTelemetry community:
# https://github.com/open-telemetry/community/blob/master/community-membership.md
#
#
# Learn about CODEOWNERS file format:
# https://help.github.com/en/articles/about-code-owners
#
* @jmacd @lizthegrey @MrAlias @Aneurysm9 @evantorrie @XSAM @dashpole
CODEOWNERS @MrAlias @Aneurysm9

374
vendor/go.opentelemetry.io/otel/CONTRIBUTING.md generated vendored Normal file
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@ -0,0 +1,374 @@
# Contributing to opentelemetry-go
The Go special interest group (SIG) meets regularly. See the
OpenTelemetry
[community](https://github.com/open-telemetry/community#golang-sdk)
repo for information on this and other language SIGs.
See the [public meeting
notes](https://docs.google.com/document/d/1A63zSWX0x2CyCK_LoNhmQC4rqhLpYXJzXbEPDUQ2n6w/edit#heading=h.9tngw7jdwd6b)
for a summary description of past meetings. To request edit access,
join the meeting or get in touch on
[Gitter](https://gitter.im/open-telemetry/opentelemetry-go).
## Development
You can view and edit the source code by cloning this repository:
```bash
git clone https://github.com/open-telemetry/opentelemetry-go.git
```
Run `make test` to run the tests instead of `go test`.
There are some generated files checked into the repo. To make sure
that the generated files are up-to-date, run `make` (or `make
precommit` - the `precommit` target is the default).
The `precommit` target also fixes the formatting of the code and
checks the status of the go module files.
If after running `make precommit` the output of `git status` contains
`nothing to commit, working tree clean` then it means that everything
is up-to-date and properly formatted.
## Pull Requests
### How to Send Pull Requests
Everyone is welcome to contribute code to `opentelemetry-go` via
GitHub pull requests (PRs).
To create a new PR, fork the project in GitHub and clone the upstream
repo:
```sh
$ go get -d go.opentelemetry.io/otel
```
(This may print some warning about "build constraints exclude all Go
files", just ignore it.)
This will put the project in `${GOPATH}/src/go.opentelemetry.io/otel`. You
can alternatively use `git` directly with:
```sh
$ git clone https://github.com/open-telemetry/opentelemetry-go
```
(Note that `git clone` is *not* using the `go.opentelemetry.io/otel` name -
that name is a kind of a redirector to GitHub that `go get` can
understand, but `git` does not.)
This would put the project in the `opentelemetry-go` directory in
current working directory.
Enter the newly created directory and add your fork as a new remote:
```sh
$ git remote add <YOUR_FORK> git@github.com:<YOUR_GITHUB_USERNAME>/opentelemetry-go
```
Check out a new branch, make modifications, run linters and tests, update
`CHANGELOG.md`, and push the branch to your fork:
```sh
$ git checkout -b <YOUR_BRANCH_NAME>
# edit files
# update changelog
$ make precommit
$ git add -p
$ git commit
$ git push <YOUR_FORK> <YOUR_BRANCH_NAME>
```
Open a pull request against the main `opentelemetry-go` repo. Be sure to add the pull
request ID to the entry you added to `CHANGELOG.md`.
### How to Receive Comments
* If the PR is not ready for review, please put `[WIP]` in the title,
tag it as `work-in-progress`, or mark it as
[`draft`](https://github.blog/2019-02-14-introducing-draft-pull-requests/).
* Make sure CLA is signed and CI is clear.
### How to Get PRs Merged
A PR is considered to be **ready to merge** when:
* It has received two approvals from Collaborators/Maintainers (at
different companies). This is not enforced through technical means
and a PR may be **ready to merge** with a single approval if the change
and its approach have been discussed and consensus reached.
* Major feedbacks are resolved.
* It has been open for review for at least one working day. This gives
people reasonable time to review.
* Trivial changes (typo, cosmetic, doc, etc.) do not have to wait for
one day and may be merged with a single Maintainer's approval.
* `CHANGELOG.md` has been updated to reflect what has been
added, changed, removed, or fixed.
* Urgent fix can take exception as long as it has been actively
communicated.
Any Maintainer can merge the PR once it is **ready to merge**.
## Design Choices
As with other OpenTelemetry clients, opentelemetry-go follows the
[opentelemetry-specification](https://github.com/open-telemetry/opentelemetry-specification).
It's especially valuable to read through the [library
guidelines](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/library-guidelines.md).
### Focus on Capabilities, Not Structure Compliance
OpenTelemetry is an evolving specification, one where the desires and
use cases are clear, but the method to satisfy those uses cases are
not.
As such, Contributions should provide functionality and behavior that
conforms to the specification, but the interface and structure is
flexible.
It is preferable to have contributions follow the idioms of the
language rather than conform to specific API names or argument
patterns in the spec.
For a deeper discussion, see:
https://github.com/open-telemetry/opentelemetry-specification/issues/165
## Style Guide
One of the primary goals of this project is that it is actually used by
developers. With this goal in mind the project strives to build
user-friendly and idiomatic Go code adhering to the Go community's best
practices.
For a non-comprehensive but foundational overview of these best practices
the [Effective Go](https://golang.org/doc/effective_go.html) documentation
is an excellent starting place.
As a convenience for developers building this project the `make precommit`
will format, lint, validate, and in some cases fix the changes you plan to
submit. This check will need to pass for your changes to be able to be
merged.
In addition to idiomatic Go, the project has adopted certain standards for
implementations of common patterns. These standards should be followed as a
default, and if they are not followed documentation needs to be included as
to the reasons why.
### Configuration
When creating an instantiation function for a complex `struct` it is useful
to allow variable number of options to be applied. However, the strong type
system of Go restricts the function design options. There are a few ways to
solve this problem, but we have landed on the following design.
#### `config`
Configuration should be held in a `struct` named `config`, or prefixed with
specific type name this Configuration applies to if there are multiple
`config` in the package. This `struct` must contain configuration options.
```go
// config contains configuration options for a thing.
type config struct {
// options ...
}
```
In general the `config` `struct` will not need to be used externally to the
package and should be unexported. If, however, it is expected that the user
will likely want to build custom options for the configuration, the `config`
should be exported. Please, include in the documentation for the `config`
how the user can extend the configuration.
It is important that `config` are not shared across package boundaries.
Meaning a `config` from one package should not be directly used by another.
Optionally, it is common to include a `newConfig` function (with the same
naming scheme). This function wraps any defaults setting and looping over
all options to create a configured `config`.
```go
// newConfig returns an appropriately configured config.
func newConfig([]Option) config {
// Set default values for config.
config := config{/* […] */}
for _, option := range options {
option.Apply(&config)
}
// Preform any validation here.
return config
}
```
If validation of the `config` options is also preformed this can return an
error as well that is expected to be handled by the instantiation function
or propagated to the user.
Given the design goal of not having the user need to work with the `config`,
the `newConfig` function should also be unexported.
#### `Option`
To set the value of the options a `config` contains, a corresponding
`Option` interface type should be used.
```go
type Option interface {
Apply(*config)
}
```
The name of the interface should be prefixed in the same way the
corresponding `config` is (if at all).
#### Options
All user configurable options for a `config` must have a related unexported
implementation of the `Option` interface and an exported configuration
function that wraps this implementation.
The wrapping function name should be prefixed with `With*` (or in the
special case of a boolean options `Without*`) and should have the following
function signature.
```go
func With*(…) Option { … }
```
##### `bool` Options
```go
type defaultFalseOption bool
func (o defaultFalseOption) Apply(c *config) {
c.Bool = bool(o)
}
// WithOption sets a T* to have an option included.
func WithOption() Option {
return defaultFalseOption(true)
}
```
```go
type defaultTrueOption bool
func (o defaultTrueOption) Apply(c *config) {
c.Bool = bool(o)
}
// WithoutOption sets a T* to have Bool option excluded.
func WithoutOption() Option {
return defaultTrueOption(false)
}
````
##### Declared Type Options
```go
type myTypeOption struct {
MyType MyType
}
func (o myTypeOption) Apply(c *config) {
c.MyType = o.MyType
}
// WithMyType sets T* to have include MyType.
func WithMyType(t MyType) Option {
return myTypeOption{t}
}
```
#### Instantiation
Using this configuration pattern to configure instantiation with a `New*`
function.
```go
func NewT*(options ...Option) T* {…}
```
Any required parameters can be declared before the variadic `options`.
#### Dealing with Overlap
Sometimes there are multiple complex `struct` that share common
configuration and also have distinct configuration. To avoid repeated
portions of `config`s, a common `config` can be used with the union of
options being handled with the `Option` interface.
For example.
```go
// config holds options for all animals.
type config struct {
Weight float64
Color string
MaxAltitude float64
}
// DogOption apply Dog specific options.
type DogOption interface {
ApplyDog(*config)
}
// BirdOption apply Bird specific options.
type BirdOption interface {
ApplyBird(*config)
}
// Option apply options for all animals.
type Option interface {
BirdOption
DogOption
}
type weightOption float64
func (o weightOption) ApplyDog(c *config) { c.Weight = float64(o) }
func (o weightOption) ApplyBird(c *config) { c.Weight = float64(o) }
func WithWeight(w float64) Option { return weightOption(w) }
type furColorOption string
func (o furColorOption) ApplyDog(c *config) { c.Color = string(o) }
func WithFurColor(c string) DogOption { return furColorOption(c) }
type maxAltitudeOption float64
func (o maxAltitudeOption) ApplyBird(c *config) { c.MaxAltitude = float64(o) }
func WithMaxAltitude(a float64) BirdOption { return maxAltitudeOption(a) }
func NewDog(name string, o ...DogOption) Dog {…}
func NewBird(name string, o ...BirdOption) Bird {…}
```
### Interface Type
To allow other developers to better comprehend the code, it is important
to ensure it is sufficiently documented. One simple measure that contributes
to this aim is self-documenting by naming method parameters. Therefore,
where appropriate, methods of every exported interface type should have
their parameters appropriately named.
## Approvers and Maintainers
Approvers:
- [Liz Fong-Jones](https://github.com/lizthegrey), Honeycomb
- [Evan Torrie](https://github.com/evantorrie), Verizon Media
- [Josh MacDonald](https://github.com/jmacd), LightStep
- [Sam Xie](https://github.com/XSAM)
- [David Ashpole](https://github.com/dashpole), Google
Maintainers:
- [Anthony Mirabella](https://github.com/Aneurysm9), Centene
- [Tyler Yahn](https://github.com/MrAlias), New Relic
### Become an Approver or a Maintainer
See the [community membership document in OpenTelemetry community
repo](https://github.com/open-telemetry/community/blob/master/community-membership.md).

201
vendor/go.opentelemetry.io/otel/LICENSE generated vendored Normal file
View File

@ -0,0 +1,201 @@
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direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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including but not limited to software source code, documentation
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or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
EXAMPLES := $(shell ./get_main_pkgs.sh ./example)
TOOLS_MOD_DIR := ./internal/tools
# All source code and documents. Used in spell check.
ALL_DOCS := $(shell find . -name '*.md' -type f | sort)
# All directories with go.mod files related to opentelemetry library. Used for building, testing and linting.
ALL_GO_MOD_DIRS := $(filter-out $(TOOLS_MOD_DIR), $(shell find . -type f -name 'go.mod' -exec dirname {} \; | egrep -v '^./example' | sort)) $(shell find ./example -type f -name 'go.mod' -exec dirname {} \; | sort)
ALL_COVERAGE_MOD_DIRS := $(shell find . -type f -name 'go.mod' -exec dirname {} \; | egrep -v '^./example|^$(TOOLS_MOD_DIR)' | sort)
# Mac OS Catalina 10.5.x doesn't support 386. Hence skip 386 test
SKIP_386_TEST = false
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
SW_VERS := $(shell sw_vers -productVersion)
ifeq ($(shell echo $(SW_VERS) | egrep '^(10.1[5-9]|1[1-9]|[2-9])'), $(SW_VERS))
SKIP_386_TEST = true
endif
endif
GOTEST_MIN = go test -timeout 30s
GOTEST = $(GOTEST_MIN) -race
GOTEST_WITH_COVERAGE = $(GOTEST) -coverprofile=coverage.out -covermode=atomic -coverpkg=./...
.DEFAULT_GOAL := precommit
.PHONY: precommit
TOOLS_DIR := $(abspath ./.tools)
$(TOOLS_DIR)/golangci-lint: $(TOOLS_MOD_DIR)/go.mod $(TOOLS_MOD_DIR)/go.sum $(TOOLS_MOD_DIR)/tools.go
cd $(TOOLS_MOD_DIR) && \
go build -o $(TOOLS_DIR)/golangci-lint github.com/golangci/golangci-lint/cmd/golangci-lint
$(TOOLS_DIR)/misspell: $(TOOLS_MOD_DIR)/go.mod $(TOOLS_MOD_DIR)/go.sum $(TOOLS_MOD_DIR)/tools.go
cd $(TOOLS_MOD_DIR) && \
go build -o $(TOOLS_DIR)/misspell github.com/client9/misspell/cmd/misspell
$(TOOLS_DIR)/stringer: $(TOOLS_MOD_DIR)/go.mod $(TOOLS_MOD_DIR)/go.sum $(TOOLS_MOD_DIR)/tools.go
cd $(TOOLS_MOD_DIR) && \
go build -o $(TOOLS_DIR)/stringer golang.org/x/tools/cmd/stringer
$(TOOLS_DIR)/gojq: $(TOOLS_MOD_DIR)/go.mod $(TOOLS_MOD_DIR)/go.sum $(TOOLS_MOD_DIR)/tools.go
cd $(TOOLS_MOD_DIR) && \
go build -o $(TOOLS_DIR)/gojq github.com/itchyny/gojq/cmd/gojq
precommit: dependabot-check license-check generate build lint examples test-benchmarks test
.PHONY: test-with-coverage
test-with-coverage:
set -e; \
printf "" > coverage.txt; \
for dir in $(ALL_COVERAGE_MOD_DIRS); do \
echo "go test ./... + coverage in $${dir}"; \
(cd "$${dir}" && \
$(GOTEST_WITH_COVERAGE) ./... && \
go tool cover -html=coverage.out -o coverage.html); \
[ -f "$${dir}/coverage.out" ] && cat "$${dir}/coverage.out" >> coverage.txt; \
done; \
sed -i.bak -e '2,$$ { /^mode: /d; }' coverage.txt
.PHONY: ci
ci: precommit check-clean-work-tree test-with-coverage test-386
.PHONY: check-clean-work-tree
check-clean-work-tree:
@if ! git diff --quiet; then \
echo; \
echo 'Working tree is not clean, did you forget to run "make precommit"?'; \
echo; \
git status; \
exit 1; \
fi
.PHONY: build
build:
# TODO: Fix this on windows.
set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "compiling all packages in $${dir}"; \
(cd "$${dir}" && \
go build ./... && \
go test -run xxxxxMatchNothingxxxxx ./... >/dev/null); \
done
.PHONY: test
test:
set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "go test ./... + race in $${dir}"; \
(cd "$${dir}" && \
$(GOTEST) ./...); \
done
.PHONY: test-386
test-386:
if [ $(SKIP_386_TEST) = true ] ; then \
echo "skipping the test for GOARCH 386 as it is not supported on the current OS"; \
else \
set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "go test ./... GOARCH 386 in $${dir}"; \
(cd "$${dir}" && \
GOARCH=386 $(GOTEST_MIN) ./...); \
done; \
fi
.PHONY: examples
examples:
@set -e; for ex in $(EXAMPLES); do \
echo "Building $${ex}"; \
(cd "$${ex}" && \
go build .); \
done
.PHONY: test-benchmarks
test-benchmarks:
@set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "test benchmarks in $${dir}"; \
(cd "$${dir}" && go test -test.benchtime=1ms -run=NONE -bench=. ./...) > /dev/null; \
done
.PHONY: lint
lint: $(TOOLS_DIR)/golangci-lint $(TOOLS_DIR)/misspell
set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "golangci-lint in $${dir}"; \
(cd "$${dir}" && \
$(TOOLS_DIR)/golangci-lint run --fix && \
$(TOOLS_DIR)/golangci-lint run); \
done
$(TOOLS_DIR)/misspell -w $(ALL_DOCS)
set -e; for dir in $(ALL_GO_MOD_DIRS) $(TOOLS_MOD_DIR); do \
echo "go mod tidy in $${dir}"; \
(cd "$${dir}" && \
go mod tidy); \
done
generate: $(TOOLS_DIR)/stringer
set -e; for dir in $(ALL_GO_MOD_DIRS); do \
echo "running generators in $${dir}"; \
(cd "$${dir}" && \
PATH="$(TOOLS_DIR):$${PATH}" go generate ./...); \
done
.PHONY: license-check
license-check:
@licRes=$$(for f in $$(find . -type f \( -iname '*.go' -o -iname '*.sh' \) ! -path './vendor/*' ! -path './exporters/otlp/internal/opentelemetry-proto/*') ; do \
awk '/Copyright The OpenTelemetry Authors|generated|GENERATED/ && NR<=3 { found=1; next } END { if (!found) print FILENAME }' $$f; \
done); \
if [ -n "$${licRes}" ]; then \
echo "license header checking failed:"; echo "$${licRes}"; \
exit 1; \
fi
.PHONY: dependabot-check
dependabot-check:
@result=$$( \
for f in $$( find . -type f -name go.mod -exec dirname {} \; | sed 's/^.\/\?/\//' ); \
do grep -q "$$f" .github/dependabot.yml \
|| echo "$$f"; \
done; \
); \
if [ -n "$$result" ]; then \
echo "missing go.mod dependabot check:"; echo "$$result"; \
exit 1; \
fi

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# -*- mode: makefile; -*-
# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This Makefile.proto has rules to generate go code for otlp
# exporter. It does it by copying the proto files from
# `exporters/otlp/internal/opentelemetry-proto` (which is a
# submodule that needs to be checked out) into `gen/proto`, changing
# the go_package option to a valid string, generating the go files and
# finally copying the files into the module. The files are not
# generated in place, because protoc generates a too-deep directory
# structure.
#
# Currently, all the generated code is in
# `exporters/otlp/internal/opentelemetry-proto-gen`.
#
# Prereqs: wget (for downloading the zip file with protoc binary),
# unzip (for unpacking the archive), rsync (for copying back the
# generated files).
PROTOC_VERSION := 3.14.0
TOOLS_DIR := $(abspath ./.tools)
TOOLS_MOD_DIR := ./internal/tools
PROTOBUF_VERSION := v1
OTEL_PROTO_SUBMODULE := exporters/otlp/internal/opentelemetry-proto
GEN_TEMP_DIR := gen
SUBMODULE_PROTO_FILES := $(wildcard $(OTEL_PROTO_SUBMODULE)/opentelemetry/proto/*/$(PROTOBUF_VERSION)/*.proto) $(wildcard $(OTEL_PROTO_SUBMODULE)/opentelemetry/proto/collector/*/$(PROTOBUF_VERSION)/*.proto)
ifeq ($(strip $(SUBMODULE_PROTO_FILES)),)
$(error Submodule at $(OTEL_PROTO_SUBMODULE) is not checked out, use "git submodule update --init")
endif
PROTOBUF_GEN_DIR := exporters/otlp/internal/opentelemetry-proto-gen
PROTOBUF_TEMP_DIR := $(GEN_TEMP_DIR)/pb-go
PROTO_SOURCE_DIR := $(GEN_TEMP_DIR)/proto
SOURCE_PROTO_FILES := $(subst $(OTEL_PROTO_SUBMODULE),$(PROTO_SOURCE_DIR),$(SUBMODULE_PROTO_FILES))
.DEFAULT_GOAL := protobuf
UNAME_S := $(shell uname -s)
UNAME_M := $(shell uname -m)
ifeq ($(UNAME_S),Linux)
PROTOC_OS := linux
PROTOC_ARCH := $(UNAME_M)
else ifeq ($(UNAME_S),Darwin)
PROTOC_OS := osx
PROTOC_ARCH := x86_64
endif
PROTOC_ZIP_URL := https://github.com/protocolbuffers/protobuf/releases/download/v$(PROTOC_VERSION)/protoc-$(PROTOC_VERSION)-$(PROTOC_OS)-$(PROTOC_ARCH).zip
$(TOOLS_DIR)/PROTOC_$(PROTOC_VERSION):
@rm -f "$(TOOLS_DIR)"/PROTOC_* && \
touch "$@"
# Depend on a versioned file (like PROTOC_3.14.0), so when version
# gets bumped, we will depend on a nonexistent file and thus download
# a newer version.
$(TOOLS_DIR)/protoc/bin/protoc: $(TOOLS_DIR)/PROTOC_$(PROTOC_VERSION)
echo "Fetching protoc $(PROTOC_VERSION)" && \
rm -rf $(TOOLS_DIR)/protoc && \
wget -O $(TOOLS_DIR)/protoc.zip $(PROTOC_ZIP_URL) && \
unzip $(TOOLS_DIR)/protoc.zip -d $(TOOLS_DIR)/protoc-tmp && \
rm $(TOOLS_DIR)/protoc.zip && \
touch $(TOOLS_DIR)/protoc-tmp/bin/protoc && \
mv $(TOOLS_DIR)/protoc-tmp $(TOOLS_DIR)/protoc
$(TOOLS_DIR)/protoc-gen-gogofast: $(TOOLS_MOD_DIR)/go.mod $(TOOLS_MOD_DIR)/go.sum $(TOOLS_MOD_DIR)/tools.go
cd $(TOOLS_MOD_DIR) && \
go build -o $(TOOLS_DIR)/protoc-gen-gogofast github.com/gogo/protobuf/protoc-gen-gogofast && \
go mod tidy
# Return a sed expression for replacing the go_package option in proto
# file with a one that's valid for us.
#
# Example: $(call get-sed-expr,$(PROTOBUF_GEN_DIR))
define get-sed-expr
's,go_package = "github.com/open-telemetry/opentelemetry-proto/gen/go,go_package = "go.opentelemetry.io/otel/$(1),'
endef
.PHONY: protobuf
protobuf: protobuf-source gen-protobuf copy-protobufs
.PHONY: protobuf-source
protobuf-source: $(SOURCE_PROTO_FILES)
# This copies proto files from submodule into $(PROTO_SOURCE_DIR),
# thus satisfying the $(SOURCE_PROTO_FILES) prerequisite. The copies
# have their package name replaced by go.opentelemetry.io/otel.
$(PROTO_SOURCE_DIR)/%.proto: $(OTEL_PROTO_SUBMODULE)/%.proto
@ \
mkdir -p $(@D); \
sed -e $(call get-sed-expr,$(PROTOBUF_GEN_DIR)) "$<" >"$@.tmp"; \
mv "$@.tmp" "$@"
.PHONY: gen-protobuf
gen-protobuf: $(SOURCE_PROTO_FILES) $(TOOLS_DIR)/protoc-gen-gogofast $(TOOLS_DIR)/protoc/bin/protoc
@ \
mkdir -p "$(PROTOBUF_TEMP_DIR)"; \
set -e; for f in $^; do \
if [[ "$${f}" == $(TOOLS_DIR)/* ]]; then continue; fi; \
echo "protoc $${f#"$(PROTO_SOURCE_DIR)/"}"; \
PATH="$(TOOLS_DIR):$${PATH}" $(TOOLS_DIR)/protoc/bin/protoc --proto_path="$(PROTO_SOURCE_DIR)" --gogofast_out="plugins=grpc:$(PROTOBUF_TEMP_DIR)" "$${f}"; \
done
.PHONY: copy-protobufs
copy-protobufs:
@rsync -a $(PROTOBUF_TEMP_DIR)/go.opentelemetry.io/otel/exporters .
.PHONY: clean
clean:
rm -rf $(GEN_TEMP_DIR)

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# OpenTelemetry-Go
[![CI](https://github.com/open-telemetry/opentelemetry-go/workflows/ci/badge.svg)](https://github.com/open-telemetry/opentelemetry-go/actions?query=workflow%3Aci+branch%3Amaster)
[![PkgGoDev](https://pkg.go.dev/badge/go.opentelemetry.io/otel)](https://pkg.go.dev/go.opentelemetry.io/otel)
[![Go Report Card](https://goreportcard.com/badge/go.opentelemetry.io/otel)](https://goreportcard.com/report/go.opentelemetry.io/otel)
[![Gitter](https://badges.gitter.im/open-telemetry/opentelemetry-go.svg)](https://gitter.im/open-telemetry/opentelemetry-go?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
The Go [OpenTelemetry](https://opentelemetry.io/) implementation.
## Project Status
**Warning**: this project is currently in a pre-GA phase. Backwards
incompatible changes may be introduced in subsequent minor version releases as
we work to track the evolving OpenTelemetry specification and user feedback.
Our progress towards a GA release candidate is tracked in [this project
board](https://github.com/orgs/open-telemetry/projects/5). This release
candidate will follow semantic versioning and will be released with a major
version greater than zero.
Progress and status specific to this repository is tracked in our local
[project boards](https://github.com/open-telemetry/opentelemetry-go/projects)
and
[milestones](https://github.com/open-telemetry/opentelemetry-go/milestones).
Project versioning information and stability guarantees can be found in the
[versioning documentation](./VERSIONING.md).
## Getting Started
You can find a getting started guide on [opentelemetry.io](https://opentelemetry.io/docs/go/getting-started/).
OpenTelemetry's goal is to provide a single set of APIs to capture distributed
traces and metrics from your application and send them to an observability
platform. This project allows you to do just that for applications written in
Go. There are two steps to this process: instrument your application, and
configure an exporter.
### Instrumentation
To start capturing distributed traces and metric events from your application
it first needs to be instrumented. The easiest way to do this is by using an
instrumentation library for your code. Be sure to check out [the officially
supported instrumentation
libraries](https://github.com/open-telemetry/opentelemetry-go-contrib/tree/master/instrumentation).
If you need to extend the telemetry an instrumentation library provides or want
to build your own instrumentation for your application directly you will need
to use the
[go.opentelemetry.io/otel/api](https://pkg.go.dev/go.opentelemetry.io/otel/api)
package. The included [examples](./example/) are a good way to see some
practical uses of this process.
### Export
Now that your application is instrumented to collect telemetry, it needs an
export pipeline to send that telemetry to an observability platform.
You can find officially supported exporters [here](./exporters/) and in the
companion [contrib
repository](https://github.com/open-telemetry/opentelemetry-go-contrib/tree/master/exporters/metric).
Additionally, there are many vendor specific or 3rd party exporters for
OpenTelemetry. These exporters are broken down by
[trace](https://pkg.go.dev/go.opentelemetry.io/otel/sdk/export/trace?tab=importedby)
and
[metric](https://pkg.go.dev/go.opentelemetry.io/otel/sdk/export/metric?tab=importedby)
support.
## Contributing
See the [contributing documentation](CONTRIBUTING.md).

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# Release Process
## Pre-Release
Update go.mod for submodules to depend on the new release which will happen in the next step.
1. Run the pre-release script. It creates a branch `pre_release_<new tag>` that will contain all release changes.
```
./pre_release.sh -t <new tag>
```
2. Verify the changes.
```
git diff master
```
This should have changed the version for all modules to be `<new tag>`.
3. Update the [Changelog](./CHANGELOG.md).
- Make sure all relevant changes for this release are included and are in language that non-contributors to the project can understand.
To verify this, you can look directly at the commits since the `<last tag>`.
```
git --no-pager log --pretty=oneline "<last tag>..HEAD"
```
- Move all the `Unreleased` changes into a new section following the title scheme (`[<new tag>] - <date of release>`).
- Update all the appropriate links at the bottom.
4. Push the changes to upstream and create a Pull Request on GitHub.
Be sure to include the curated changes from the [Changelog](./CHANGELOG.md) in the description.
## Tag
Once the Pull Request with all the version changes has been approved and merged it is time to tag the merged commit.
***IMPORTANT***: It is critical you use the same tag that you used in the Pre-Release step!
Failure to do so will leave things in a broken state.
***IMPORTANT***: [There is currently no way to remove an incorrectly tagged version of a Go module](https://github.com/golang/go/issues/34189).
It is critical you make sure the version you push upstream is correct.
[Failure to do so will lead to minor emergencies and tough to work around](https://github.com/open-telemetry/opentelemetry-go/issues/331).
1. Run the tag.sh script using the `<commit-hash>` of the commit on the master branch for the merged Pull Request.
```
./tag.sh <new tag> <commit-hash>
```
2. Push tags to the upstream remote (not your fork: `github.com/open-telemetry/opentelemetry-go.git`).
Make sure you push all sub-modules as well.
```
git push upstream <new tag>
git push upstream <submodules-path/new tag>
...
```
## Release
Finally create a Release for the new `<new tag>` on GitHub.
The release body should include all the release notes from the Changelog for this release.
Additionally, the `tag.sh` script generates commit logs since last release which can be used to supplement the release notes.
## Verify Examples
After releasing verify that examples build outside of the repository.
```
./verify_examples.sh
```
The script copies examples into a different directory removes any `replace` declarations in `go.mod` and builds them.
This ensures they build with the published release, not the local copy.
## Contrib Repository
Once verified be sure to [make a release for the `contrib` repository](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/master/RELEASING.md) that uses this release.

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# Versioning
This document describes the versioning policy for this repository. This policy
is designed so the following goals can be achieved.
**Users are provided a codebase of value that is stable and secure.**
## Policy
* Versioning of this project will be idiomatic of a Go project using [Go
modules](https://github.com/golang/go/wiki/Modules).
* [Semantic import
versioning](https://github.com/golang/go/wiki/Modules#semantic-import-versioning)
will be used.
* Versions will comply with [semver 2.0](https://semver.org/spec/v2.0.0.html).
* If a module is version `v2` or higher, the major version of the module
must be included as a `/vN` at the end of the module paths used in
`go.mod` files (e.g., `module go.opentelemetry.io/otel/v2`, `require
go.opentelemetry.io/otel/v2 v2.0.1`) and in the package import path
(e.g., `import "go.opentelemetry.io/otel/v2/trace"`). This includes the
paths used in `go get` commands (e.g., `go get
go.opentelemetry.io/otel/v2@v2.0.1`. Note there is both a `/v2` and a
`@v2.0.1` in that example. One way to think about it is that the module
name now includes the `/v2`, so include `/v2` whenever you are using the
module name).
* If a module is version `v0` or `v1`, do not include the major version in
either the module path or the import path.
* Modules will be used to encapsulate signals and components.
* Experimental modules still under active development will be versioned at
`v0` to imply the stability guarantee defined by
[semver](https://semver.org/spec/v2.0.0.html#spec-item-4).
> Major version zero (0.y.z) is for initial development. Anything MAY
> change at any time. The public API SHOULD NOT be considered stable.
* Mature modules for which we guarantee a stable public API will be versioned
with a major version greater than `v0`.
* The decision to make a module stable will be made on a case-by-case
basis by the maintainers of this project.
* Experimental modules will start their versioning at `v0.0.0` and will
increment their minor version when backwards incompatible changes are
released and increment their patch version when backwards compatible
changes are released.
* All stable modules that use the same major version number will use the
same entire version number.
* Stable modules may be released with an incremented minor or patch
version even though that module has not been changed, but rather so
that it will remain at the same version as other stable modules that
did undergo change.
* When an experimental module becomes stable a new stable module version
will be released and will include this now stable module. The new
stable module version will be an increment of the minor version number
and will be applied to all existing stable modules as well as the newly
stable module being released.
* Versioning of the associated [contrib
repository](https://github.com/open-telemetry/opentelemetry-go-contrib) of
this project will be idiomatic of a Go project using [Go
modules](https://github.com/golang/go/wiki/Modules).
* [Semantic import
versioning](https://github.com/golang/go/wiki/Modules#semantic-import-versioning)
will be used.
* Versions will comply with [semver 2.0](https://semver.org/spec/v2.0.0.html).
* If a module is version `v2` or higher, the
major version of the module must be included as a `/vN` at the end of the
module paths used in `go.mod` files (e.g., `module
go.opentelemetry.io/contrib/instrumentation/host/v2`, `require
go.opentelemetry.io/contrib/instrumentation/host/v2 v2.0.1`) and in the
package import path (e.g., `import
"go.opentelemetry.io/contrib/instrumentation/host/v2"`). This includes
the paths used in `go get` commands (e.g., `go get
go.opentelemetry.io/contrib/instrumentation/host/v2@v2.0.1`. Note there
is both a `/v2` and a `@v2.0.1` in that example. One way to think about
it is that the module name now includes the `/v2`, so include `/v2`
whenever you are using the module name).
* If a module is version `v0` or `v1`, do not include the major version
in either the module path or the import path.
* In addition to public APIs, telemetry produced by stable instrumentation
will remain stable and backwards compatible. This is to avoid breaking
alerts and dashboard.
* Modules will be used to encapsulate instrumentation, detectors, exporters,
propagators, and any other independent sets of related components.
* Experimental modules still under active development will be versioned at
`v0` to imply the stability guarantee defined by
[semver](https://semver.org/spec/v2.0.0.html#spec-item-4).
> Major version zero (0.y.z) is for initial development. Anything MAY
> change at any time. The public API SHOULD NOT be considered stable.
* Mature modules for which we guarantee a stable public API and telemetry will
be versioned with a major version greater than `v0`.
* Experimental modules will start their versioning at `v0.0.0` and will
increment their minor version when backwards incompatible changes are
released and increment their patch version when backwards compatible
changes are released.
* Stable contrib modules cannot depend on experimental modules from this
project.
* All stable contrib modules of the same major version with this project
will use the same entire version as this project.
* Stable modules may be released with an incremented minor or patch
version even though that module's code has not been changed. Instead
the only change that will have been included is to have updated that
modules dependency on this project's stable APIs.
* When an experimental module in contrib becomes stable a new stable
module version will be released and will include this now stable
module. The new stable module version will be an increment of the minor
version number and will be applied to all existing stable contrib
modules, this project's modules, and the newly stable module being
released.
* Contrib modules will be kept up to date with this project's releases.
* Due to the dependency contrib modules will implicitly have on this
project's modules the release of stable contrib modules to match the
released version number will be staggered after this project's release.
There is no explicit time guarantee for how long after this projects
release the contrib release will be. Effort should be made to keep them
as close in time as possible.
* No additional stable release in this project can be made until the
contrib repository has a matching stable release.
* No release can be made in the contrib repository after this project's
stable release except for a stable release of the contrib repository.
* GitHub releases will be made for all releases.
* Go modules will be made available at Go package mirrors.
## Example Versioning Lifecycle
To better understand the implementation of the above policy the following
example is provided. This project is simplified to include only the following
modules and their versions:
* `otel`: `v0.14.0`
* `otel/trace`: `v0.14.0`
* `otel/metric`: `v0.14.0`
* `otel/baggage`: `v0.14.0`
* `otel/sdk/trace`: `v0.14.0`
* `otel/sdk/metric`: `v0.14.0`
These modules have been developed to a point where the `otel/trace`,
`otel/baggage`, and `otel/sdk/trace` modules have reached a point that they
should be considered for a stable release. The `otel/metric` and
`otel/sdk/metric` are still under active development and the `otel` module
depends on both `otel/trace` and `otel/metric`.
The `otel` package is refactored to remove its dependencies on `otel/metric` so
it can be released as stable as well. With that done the following release
candidates are made:
* `otel`: `v1.0.0-rc.1`
* `otel/trace`: `v1.0.0-rc.1`
* `otel/baggage`: `v1.0.0-rc.1`
* `otel/sdk/trace`: `v1.0.0-rc.1`
The `otel/metric` and `otel/sdk/metric` modules remain at `v0.14.0`.
A few minor issues are discovered in the `otel/trace` package. These issues are
resolved with some minor, but backwards incompatible, changes and are released
as a second release candidate:
* `otel`: `v1.0.0-rc.2`
* `otel/trace`: `v1.0.0-rc.2`
* `otel/baggage`: `v1.0.0-rc.2`
* `otel/sdk/trace`: `v1.0.0-rc.2`
Notice that all module version numbers are incremented to adhere to our
versioning policy.
After these release candidates have been evaluated to satisfaction, they are
released as version `v1.0.0`.
* `otel`: `v1.0.0`
* `otel/trace`: `v1.0.0`
* `otel/baggage`: `v1.0.0`
* `otel/sdk/trace`: `v1.0.0`
Since both the `go` utility and the Go module system support [the semantic
versioning definition of
precedence](https://semver.org/spec/v2.0.0.html#spec-item-11), this release
will correctly be interpreted as the successor to the previous release
candidates.
Active development of this project continues. The `otel/metric` module now has
backwards incompatible changes to its API that need to be released and the
`otel/baggage` module has a minor bug fix that needs to be released. The
following release is made:
* `otel`: `v1.0.1`
* `otel/trace`: `v1.0.1`
* `otel/metric`: `v0.15.0`
* `otel/baggage`: `v1.0.1`
* `otel/sdk/trace`: `v1.0.1`
* `otel/sdk/metric`: `v0.15.0`
Notice that, again, all stable module versions are incremented in unison and
the `otel/sdk/metric` package, which depends on the `otel/metric` package, also
bumped its version. This bump of the `otel/sdk/metric` package makes sense
given their coupling, though it is not explicitly required by our versioning
policy.
As we progress, the `otel/metric` and `otel/sdk/metric` packages have reached a
point where they should be evaluated for stability. The `otel` module is
reintegrated with the `otel/metric` package and the following release is made:
* `otel`: `v1.1.0-rc.1`
* `otel/trace`: `v1.1.0-rc.1`
* `otel/metric`: `v1.1.0-rc.1`
* `otel/baggage`: `v1.1.0-rc.1`
* `otel/sdk/trace`: `v1.1.0-rc.1`
* `otel/sdk/metric`: `v1.1.0-rc.1`
All the modules are evaluated and determined to a viable stable release. They
are then released as version `v1.1.0` (the minor version is incremented to
indicate the addition of new signal).
* `otel`: `v1.1.0`
* `otel/trace`: `v1.1.0`
* `otel/metric`: `v1.1.0`
* `otel/baggage`: `v1.1.0`
* `otel/sdk/trace`: `v1.1.0`
* `otel/sdk/metric`: `v1.1.0`

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package codes // import "go.opentelemetry.io/otel/codes"
import (
"encoding/json"
"fmt"
"strconv"
)
const (
// Unset is the default status code.
Unset Code = 0
// Error indicates the operation contains an error.
Error Code = 1
// Ok indicates operation has been validated by an Application developers
// or Operator to have completed successfully, or contain no error.
Ok Code = 2
maxCode = 3
)
// Code is an 32-bit representation of a status state.
type Code uint32
var codeToStr = map[Code]string{
Unset: "Unset",
Error: "Error",
Ok: "Ok",
}
var strToCode = map[string]Code{
`"Unset"`: Unset,
`"Error"`: Error,
`"Ok"`: Ok,
}
// String returns the Code as a string.
func (c Code) String() string {
return codeToStr[c]
}
// UnmarshalJSON unmarshals b into the Code.
//
// This is based on the functionality in the gRPC codes package:
// https://github.com/grpc/grpc-go/blob/bb64fee312b46ebee26be43364a7a966033521b1/codes/codes.go#L218-L244
func (c *Code) UnmarshalJSON(b []byte) error {
// From json.Unmarshaler: By convention, to approximate the behavior of
// Unmarshal itself, Unmarshalers implement UnmarshalJSON([]byte("null")) as
// a no-op.
if string(b) == "null" {
return nil
}
if c == nil {
return fmt.Errorf("nil receiver passed to UnmarshalJSON")
}
var x interface{}
if err := json.Unmarshal(b, &x); err != nil {
return err
}
switch x.(type) {
case string:
if jc, ok := strToCode[string(b)]; ok {
*c = jc
return nil
}
return fmt.Errorf("invalid code: %q", string(b))
case float64:
if ci, err := strconv.ParseUint(string(b), 10, 32); err == nil {
if ci >= maxCode {
return fmt.Errorf("invalid code: %q", ci)
}
*c = Code(ci)
return nil
}
return fmt.Errorf("invalid code: %q", string(b))
default:
return fmt.Errorf("invalid code: %q", string(b))
}
}
// MarshalJSON returns c as the JSON encoding of c.
func (c *Code) MarshalJSON() ([]byte, error) {
if c == nil {
return []byte("null"), nil
}
str, ok := codeToStr[*c]
if !ok {
return nil, fmt.Errorf("invalid code: %d", *c)
}
return []byte(fmt.Sprintf("%q", str)), nil
}

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
Package codes defines the canonical error codes used by OpenTelemetry.
This package is currently in a pre-GA phase. Backwards incompatible changes
may be introduced in subsequent minor version releases as we work to track
the evolving OpenTelemetry specification and user feedback.
It conforms to [the OpenTelemetry
specification](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/trace/api.md#statuscanonicalcode).
*/
package codes // import "go.opentelemetry.io/otel/codes"

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
Package otel provides global access to the OpenTelemetry API. The subpackages of
the otel package provide an implementation of the OpenTelemetry API.
This package is currently in a pre-GA phase. Backwards incompatible changes
may be introduced in subsequent minor version releases as we work to track the
evolving OpenTelemetry specification and user feedback.
The provided API is used to instrument code and measure data about that code's
performance and operation. The measured data, by default, is not processed or
transmitted anywhere. An implementation of the OpenTelemetry SDK, like the
default SDK implementation (go.opentelemetry.io/otel/sdk), and associated
exporters are used to process and transport this data.
To read the getting started guide, see https://opentelemetry.io/docs/go/getting-started/.
To read more about tracing, see go.opentelemetry.io/otel/trace.
To read more about metrics, see go.opentelemetry.io/otel/metric.
To read more about propagation, see go.opentelemetry.io/otel/propagation and
go.opentelemetry.io/otel/baggage.
*/
package otel // import "go.opentelemetry.io/otel"

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package otel // import "go.opentelemetry.io/otel"
// ErrorHandler handles irremediable events.
type ErrorHandler interface {
// Handle handles any error deemed irremediable by an OpenTelemetry
// component.
Handle(error)
}

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#!/usr/bin/env bash
# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -euo pipefail
top_dir='.'
if [[ $# -gt 0 ]]; then
top_dir="${1}"
fi
p=$(pwd)
mod_dirs=()
# Note `mapfile` does not exist in older bash versions:
# https://stackoverflow.com/questions/41475261/need-alternative-to-readarray-mapfile-for-script-on-older-version-of-bash
while IFS= read -r line; do
mod_dirs+=("$line")
done < <(find "${top_dir}" -type f -name 'go.mod' -exec dirname {} \; | sort)
for mod_dir in "${mod_dirs[@]}"; do
cd "${mod_dir}"
while IFS= read -r line; do
echo ".${line#${p}}"
done < <(go list --find -f '{{.Name}}|{{.Dir}}' ./... | grep '^main|' | cut -f 2- -d '|')
cd "${p}"
done

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module go.opentelemetry.io/otel
go 1.14
require (
github.com/google/go-cmp v0.5.4
github.com/stretchr/testify v1.6.1
)

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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package otel // import "go.opentelemetry.io/otel"
import (
"log"
"os"
"sync"
"sync/atomic"
)
var (
// globalErrorHandler provides an ErrorHandler that can be used
// throughout an OpenTelemetry instrumented project. When a user
// specified ErrorHandler is registered (`SetErrorHandler`) all calls to
// `Handle` and will be delegated to the registered ErrorHandler.
globalErrorHandler = &loggingErrorHandler{
l: log.New(os.Stderr, "", log.LstdFlags),
}
// delegateErrorHandlerOnce ensures that a user provided ErrorHandler is
// only ever registered once.
delegateErrorHandlerOnce sync.Once
// Comiple time check that loggingErrorHandler implements ErrorHandler.
_ ErrorHandler = (*loggingErrorHandler)(nil)
)
// loggingErrorHandler logs all errors to STDERR.
type loggingErrorHandler struct {
delegate atomic.Value
l *log.Logger
}
// setDelegate sets the ErrorHandler delegate if one is not already set.
func (h *loggingErrorHandler) setDelegate(d ErrorHandler) {
if h.delegate.Load() != nil {
// Delegate already registered
return
}
h.delegate.Store(d)
}
// Handle implements ErrorHandler.
func (h *loggingErrorHandler) Handle(err error) {
if d := h.delegate.Load(); d != nil {
d.(ErrorHandler).Handle(err)
return
}
h.l.Print(err)
}
// GetErrorHandler returns the global ErrorHandler instance. If no ErrorHandler
// instance has been set (`SetErrorHandler`), the default ErrorHandler which
// logs errors to STDERR is returned.
func GetErrorHandler() ErrorHandler {
return globalErrorHandler
}
// SetErrorHandler sets the global ErrorHandler to be h.
func SetErrorHandler(h ErrorHandler) {
delegateErrorHandlerOnce.Do(func() {
current := GetErrorHandler()
if current == h {
return
}
if internalHandler, ok := current.(*loggingErrorHandler); ok {
internalHandler.setDelegate(h)
}
})
}
// Handle is a convience function for ErrorHandler().Handle(err)
func Handle(err error) {
GetErrorHandler().Handle(err)
}

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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package baggage provides types and functions to manage W3C Baggage.
package baggage
import (
"context"
"go.opentelemetry.io/otel/label"
)
type rawMap map[label.Key]label.Value
type keySet map[label.Key]struct{}
// Map is an immutable storage for correlations.
type Map struct {
m rawMap
}
// MapUpdate contains information about correlation changes to be
// made.
type MapUpdate struct {
// DropSingleK contains a single key to be dropped from
// correlations. Use this to avoid an overhead of a slice
// allocation if there is only one key to drop.
DropSingleK label.Key
// DropMultiK contains all the keys to be dropped from
// correlations.
DropMultiK []label.Key
// SingleKV contains a single key-value pair to be added to
// correlations. Use this to avoid an overhead of a slice
// allocation if there is only one key-value pair to add.
SingleKV label.KeyValue
// MultiKV contains all the key-value pairs to be added to
// correlations.
MultiKV []label.KeyValue
}
func newMap(raw rawMap) Map {
return Map{
m: raw,
}
}
// NewEmptyMap creates an empty correlations map.
func NewEmptyMap() Map {
return newMap(nil)
}
// NewMap creates a map with the contents of the update applied. In
// this function, having an update with DropSingleK or DropMultiK
// makes no sense - those fields are effectively ignored.
func NewMap(update MapUpdate) Map {
return NewEmptyMap().Apply(update)
}
// Apply creates a copy of the map with the contents of the update
// applied. Apply will first drop the keys from DropSingleK and
// DropMultiK, then add key-value pairs from SingleKV and MultiKV.
func (m Map) Apply(update MapUpdate) Map {
delSet, addSet := getModificationSets(update)
mapSize := getNewMapSize(m.m, delSet, addSet)
r := make(rawMap, mapSize)
for k, v := range m.m {
// do not copy items we want to drop
if _, ok := delSet[k]; ok {
continue
}
// do not copy items we would overwrite
if _, ok := addSet[k]; ok {
continue
}
r[k] = v
}
if update.SingleKV.Key.Defined() {
r[update.SingleKV.Key] = update.SingleKV.Value
}
for _, kv := range update.MultiKV {
r[kv.Key] = kv.Value
}
if len(r) == 0 {
r = nil
}
return newMap(r)
}
func getModificationSets(update MapUpdate) (delSet, addSet keySet) {
deletionsCount := len(update.DropMultiK)
if update.DropSingleK.Defined() {
deletionsCount++
}
if deletionsCount > 0 {
delSet = make(map[label.Key]struct{}, deletionsCount)
for _, k := range update.DropMultiK {
delSet[k] = struct{}{}
}
if update.DropSingleK.Defined() {
delSet[update.DropSingleK] = struct{}{}
}
}
additionsCount := len(update.MultiKV)
if update.SingleKV.Key.Defined() {
additionsCount++
}
if additionsCount > 0 {
addSet = make(map[label.Key]struct{}, additionsCount)
for _, k := range update.MultiKV {
addSet[k.Key] = struct{}{}
}
if update.SingleKV.Key.Defined() {
addSet[update.SingleKV.Key] = struct{}{}
}
}
return
}
func getNewMapSize(m rawMap, delSet, addSet keySet) int {
mapSizeDiff := 0
for k := range addSet {
if _, ok := m[k]; !ok {
mapSizeDiff++
}
}
for k := range delSet {
if _, ok := m[k]; ok {
if _, inAddSet := addSet[k]; !inAddSet {
mapSizeDiff--
}
}
}
return len(m) + mapSizeDiff
}
// Value gets a value from correlations map and returns a boolean
// value indicating whether the key exist in the map.
func (m Map) Value(k label.Key) (label.Value, bool) {
value, ok := m.m[k]
return value, ok
}
// HasValue returns a boolean value indicating whether the key exist
// in the map.
func (m Map) HasValue(k label.Key) bool {
_, has := m.Value(k)
return has
}
// Len returns a length of the map.
func (m Map) Len() int {
return len(m.m)
}
// Foreach calls a passed callback once on each key-value pair until
// all the key-value pairs of the map were iterated or the callback
// returns false, whichever happens first.
func (m Map) Foreach(f func(label.KeyValue) bool) {
for k, v := range m.m {
if !f(label.KeyValue{
Key: k,
Value: v,
}) {
return
}
}
}
type correlationsType struct{}
// SetHookFunc describes a type of a callback that is called when
// storing baggage in the context.
type SetHookFunc func(context.Context) context.Context
// GetHookFunc describes a type of a callback that is called when
// getting baggage from the context.
type GetHookFunc func(context.Context, Map) Map
// value under this key is either of type Map or correlationsData
var correlationsKey = &correlationsType{}
type correlationsData struct {
m Map
setHook SetHookFunc
getHook GetHookFunc
}
func (d correlationsData) isHookless() bool {
return d.setHook == nil && d.getHook == nil
}
type hookKind int
const (
hookKindSet hookKind = iota
hookKindGet
)
func (d *correlationsData) overrideHook(kind hookKind, setHook SetHookFunc, getHook GetHookFunc) {
switch kind {
case hookKindSet:
d.setHook = setHook
case hookKindGet:
d.getHook = getHook
}
}
// ContextWithSetHook installs a hook function that will be invoked
// every time ContextWithMap is called. To avoid unnecessary callback
// invocations (recursive or not), the callback can temporarily clear
// the hooks from the context with the ContextWithNoHooks function.
//
// Note that NewContext also calls ContextWithMap, so the hook will be
// invoked.
//
// Passing nil SetHookFunc creates a context with no set hook to call.
//
// This function should not be used by applications or libraries. It
// is mostly for interoperation with other observability APIs.
func ContextWithSetHook(ctx context.Context, hook SetHookFunc) context.Context {
return contextWithHook(ctx, hookKindSet, hook, nil)
}
// ContextWithGetHook installs a hook function that will be invoked
// every time MapFromContext is called. To avoid unnecessary callback
// invocations (recursive or not), the callback can temporarily clear
// the hooks from the context with the ContextWithNoHooks function.
//
// Note that NewContext also calls MapFromContext, so the hook will be
// invoked.
//
// Passing nil GetHookFunc creates a context with no get hook to call.
//
// This function should not be used by applications or libraries. It
// is mostly for interoperation with other observability APIs.
func ContextWithGetHook(ctx context.Context, hook GetHookFunc) context.Context {
return contextWithHook(ctx, hookKindGet, nil, hook)
}
func contextWithHook(ctx context.Context, kind hookKind, setHook SetHookFunc, getHook GetHookFunc) context.Context {
switch v := ctx.Value(correlationsKey).(type) {
case correlationsData:
v.overrideHook(kind, setHook, getHook)
if v.isHookless() {
return context.WithValue(ctx, correlationsKey, v.m)
}
return context.WithValue(ctx, correlationsKey, v)
case Map:
return contextWithOneHookAndMap(ctx, kind, setHook, getHook, v)
default:
m := NewEmptyMap()
return contextWithOneHookAndMap(ctx, kind, setHook, getHook, m)
}
}
func contextWithOneHookAndMap(ctx context.Context, kind hookKind, setHook SetHookFunc, getHook GetHookFunc, m Map) context.Context {
d := correlationsData{m: m}
d.overrideHook(kind, setHook, getHook)
if d.isHookless() {
return ctx
}
return context.WithValue(ctx, correlationsKey, d)
}
// ContextWithNoHooks creates a context with all the hooks
// disabled. Also returns old set and get hooks. This function can be
// used to temporarily clear the context from hooks and then reinstate
// them by calling ContextWithSetHook and ContextWithGetHook functions
// passing the hooks returned by this function.
//
// This function should not be used by applications or libraries. It
// is mostly for interoperation with other observability APIs.
func ContextWithNoHooks(ctx context.Context) (context.Context, SetHookFunc, GetHookFunc) {
switch v := ctx.Value(correlationsKey).(type) {
case correlationsData:
return context.WithValue(ctx, correlationsKey, v.m), v.setHook, v.getHook
default:
return ctx, nil, nil
}
}
// ContextWithMap returns a context with the Map entered into it.
func ContextWithMap(ctx context.Context, m Map) context.Context {
switch v := ctx.Value(correlationsKey).(type) {
case correlationsData:
v.m = m
ctx = context.WithValue(ctx, correlationsKey, v)
if v.setHook != nil {
ctx = v.setHook(ctx)
}
return ctx
default:
return context.WithValue(ctx, correlationsKey, m)
}
}
// ContextWithNoCorrelationData returns a context stripped of correlation
// data.
func ContextWithNoCorrelationData(ctx context.Context) context.Context {
return context.WithValue(ctx, correlationsKey, nil)
}
// NewContext returns a context with the map from passed context
// updated with the passed key-value pairs.
func NewContext(ctx context.Context, keyvalues ...label.KeyValue) context.Context {
return ContextWithMap(ctx, MapFromContext(ctx).Apply(MapUpdate{
MultiKV: keyvalues,
}))
}
// MapFromContext gets the current Map from a Context.
func MapFromContext(ctx context.Context) Map {
switch v := ctx.Value(correlationsKey).(type) {
case correlationsData:
if v.getHook != nil {
return v.getHook(ctx, v.m)
}
return v.m
case Map:
return v
default:
return NewEmptyMap()
}
}

348
vendor/go.opentelemetry.io/otel/internal/global/meter.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package global
import (
"context"
"sync"
"sync/atomic"
"unsafe"
"go.opentelemetry.io/otel/label"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/metric/number"
"go.opentelemetry.io/otel/metric/registry"
)
// This file contains the forwarding implementation of MeterProvider used as
// the default global instance. Metric events using instruments provided by
// this implementation are no-ops until the first Meter implementation is set
// as the global provider.
//
// The implementation here uses Mutexes to maintain a list of active Meters in
// the MeterProvider and Instruments in each Meter, under the assumption that
// these interfaces are not performance-critical.
//
// We have the invariant that setDelegate() will be called before a new
// MeterProvider implementation is registered as the global provider. Mutexes
// in the MeterProvider and Meters ensure that each instrument has a delegate
// before the global provider is set.
//
// Bound instrument operations are implemented by delegating to the
// instrument after it is registered, with a sync.Once initializer to
// protect against races with Release().
//
// Metric uniqueness checking is implemented by calling the exported
// methods of the api/metric/registry package.
type meterKey struct {
Name, Version string
}
type meterProvider struct {
delegate metric.MeterProvider
// lock protects `delegate` and `meters`.
lock sync.Mutex
// meters maintains a unique entry for every named Meter
// that has been registered through the global instance.
meters map[meterKey]*meterEntry
}
type meterImpl struct {
delegate unsafe.Pointer // (*metric.MeterImpl)
lock sync.Mutex
syncInsts []*syncImpl
asyncInsts []*asyncImpl
}
type meterEntry struct {
unique metric.MeterImpl
impl meterImpl
}
type instrument struct {
descriptor metric.Descriptor
}
type syncImpl struct {
delegate unsafe.Pointer // (*metric.SyncImpl)
instrument
}
type asyncImpl struct {
delegate unsafe.Pointer // (*metric.AsyncImpl)
instrument
runner metric.AsyncRunner
}
// SyncImpler is implemented by all of the sync metric
// instruments.
type SyncImpler interface {
SyncImpl() metric.SyncImpl
}
// AsyncImpler is implemented by all of the async
// metric instruments.
type AsyncImpler interface {
AsyncImpl() metric.AsyncImpl
}
type syncHandle struct {
delegate unsafe.Pointer // (*metric.BoundInstrumentImpl)
inst *syncImpl
labels []label.KeyValue
initialize sync.Once
}
var _ metric.MeterProvider = &meterProvider{}
var _ metric.MeterImpl = &meterImpl{}
var _ metric.InstrumentImpl = &syncImpl{}
var _ metric.BoundSyncImpl = &syncHandle{}
var _ metric.AsyncImpl = &asyncImpl{}
func (inst *instrument) Descriptor() metric.Descriptor {
return inst.descriptor
}
// MeterProvider interface and delegation
func newMeterProvider() *meterProvider {
return &meterProvider{
meters: map[meterKey]*meterEntry{},
}
}
func (p *meterProvider) setDelegate(provider metric.MeterProvider) {
p.lock.Lock()
defer p.lock.Unlock()
p.delegate = provider
for key, entry := range p.meters {
entry.impl.setDelegate(key.Name, key.Version, provider)
}
p.meters = nil
}
func (p *meterProvider) Meter(instrumentationName string, opts ...metric.MeterOption) metric.Meter {
p.lock.Lock()
defer p.lock.Unlock()
if p.delegate != nil {
return p.delegate.Meter(instrumentationName, opts...)
}
key := meterKey{
Name: instrumentationName,
Version: metric.NewMeterConfig(opts...).InstrumentationVersion,
}
entry, ok := p.meters[key]
if !ok {
entry = &meterEntry{}
entry.unique = registry.NewUniqueInstrumentMeterImpl(&entry.impl)
p.meters[key] = entry
}
return metric.WrapMeterImpl(entry.unique, key.Name, metric.WithInstrumentationVersion(key.Version))
}
// Meter interface and delegation
func (m *meterImpl) setDelegate(name, version string, provider metric.MeterProvider) {
m.lock.Lock()
defer m.lock.Unlock()
d := new(metric.MeterImpl)
*d = provider.Meter(name, metric.WithInstrumentationVersion(version)).MeterImpl()
m.delegate = unsafe.Pointer(d)
for _, inst := range m.syncInsts {
inst.setDelegate(*d)
}
m.syncInsts = nil
for _, obs := range m.asyncInsts {
obs.setDelegate(*d)
}
m.asyncInsts = nil
}
func (m *meterImpl) NewSyncInstrument(desc metric.Descriptor) (metric.SyncImpl, error) {
m.lock.Lock()
defer m.lock.Unlock()
if meterPtr := (*metric.MeterImpl)(atomic.LoadPointer(&m.delegate)); meterPtr != nil {
return (*meterPtr).NewSyncInstrument(desc)
}
inst := &syncImpl{
instrument: instrument{
descriptor: desc,
},
}
m.syncInsts = append(m.syncInsts, inst)
return inst, nil
}
// Synchronous delegation
func (inst *syncImpl) setDelegate(d metric.MeterImpl) {
implPtr := new(metric.SyncImpl)
var err error
*implPtr, err = d.NewSyncInstrument(inst.descriptor)
if err != nil {
// TODO: There is no standard way to deliver this error to the user.
// See https://github.com/open-telemetry/opentelemetry-go/issues/514
// Note that the default SDK will not generate any errors yet, this is
// only for added safety.
panic(err)
}
atomic.StorePointer(&inst.delegate, unsafe.Pointer(implPtr))
}
func (inst *syncImpl) Implementation() interface{} {
if implPtr := (*metric.SyncImpl)(atomic.LoadPointer(&inst.delegate)); implPtr != nil {
return (*implPtr).Implementation()
}
return inst
}
func (inst *syncImpl) Bind(labels []label.KeyValue) metric.BoundSyncImpl {
if implPtr := (*metric.SyncImpl)(atomic.LoadPointer(&inst.delegate)); implPtr != nil {
return (*implPtr).Bind(labels)
}
return &syncHandle{
inst: inst,
labels: labels,
}
}
func (bound *syncHandle) Unbind() {
bound.initialize.Do(func() {})
implPtr := (*metric.BoundSyncImpl)(atomic.LoadPointer(&bound.delegate))
if implPtr == nil {
return
}
(*implPtr).Unbind()
}
// Async delegation
func (m *meterImpl) NewAsyncInstrument(
desc metric.Descriptor,
runner metric.AsyncRunner,
) (metric.AsyncImpl, error) {
m.lock.Lock()
defer m.lock.Unlock()
if meterPtr := (*metric.MeterImpl)(atomic.LoadPointer(&m.delegate)); meterPtr != nil {
return (*meterPtr).NewAsyncInstrument(desc, runner)
}
inst := &asyncImpl{
instrument: instrument{
descriptor: desc,
},
runner: runner,
}
m.asyncInsts = append(m.asyncInsts, inst)
return inst, nil
}
func (obs *asyncImpl) Implementation() interface{} {
if implPtr := (*metric.AsyncImpl)(atomic.LoadPointer(&obs.delegate)); implPtr != nil {
return (*implPtr).Implementation()
}
return obs
}
func (obs *asyncImpl) setDelegate(d metric.MeterImpl) {
implPtr := new(metric.AsyncImpl)
var err error
*implPtr, err = d.NewAsyncInstrument(obs.descriptor, obs.runner)
if err != nil {
// TODO: There is no standard way to deliver this error to the user.
// See https://github.com/open-telemetry/opentelemetry-go/issues/514
// Note that the default SDK will not generate any errors yet, this is
// only for added safety.
panic(err)
}
atomic.StorePointer(&obs.delegate, unsafe.Pointer(implPtr))
}
// Metric updates
func (m *meterImpl) RecordBatch(ctx context.Context, labels []label.KeyValue, measurements ...metric.Measurement) {
if delegatePtr := (*metric.MeterImpl)(atomic.LoadPointer(&m.delegate)); delegatePtr != nil {
(*delegatePtr).RecordBatch(ctx, labels, measurements...)
}
}
func (inst *syncImpl) RecordOne(ctx context.Context, number number.Number, labels []label.KeyValue) {
if instPtr := (*metric.SyncImpl)(atomic.LoadPointer(&inst.delegate)); instPtr != nil {
(*instPtr).RecordOne(ctx, number, labels)
}
}
// Bound instrument initialization
func (bound *syncHandle) RecordOne(ctx context.Context, number number.Number) {
instPtr := (*metric.SyncImpl)(atomic.LoadPointer(&bound.inst.delegate))
if instPtr == nil {
return
}
var implPtr *metric.BoundSyncImpl
bound.initialize.Do(func() {
implPtr = new(metric.BoundSyncImpl)
*implPtr = (*instPtr).Bind(bound.labels)
atomic.StorePointer(&bound.delegate, unsafe.Pointer(implPtr))
})
if implPtr == nil {
implPtr = (*metric.BoundSyncImpl)(atomic.LoadPointer(&bound.delegate))
}
// This may still be nil if instrument was created and bound
// without a delegate, then the instrument was set to have a
// delegate and unbound.
if implPtr == nil {
return
}
(*implPtr).RecordOne(ctx, number)
}
func AtomicFieldOffsets() map[string]uintptr {
return map[string]uintptr{
"meterProvider.delegate": unsafe.Offsetof(meterProvider{}.delegate),
"meterImpl.delegate": unsafe.Offsetof(meterImpl{}.delegate),
"syncImpl.delegate": unsafe.Offsetof(syncImpl{}.delegate),
"asyncImpl.delegate": unsafe.Offsetof(asyncImpl{}.delegate),
"syncHandle.delegate": unsafe.Offsetof(syncHandle{}.delegate),
}
}

82
vendor/go.opentelemetry.io/otel/internal/global/propagator.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package global
import (
"context"
"sync"
"go.opentelemetry.io/otel/propagation"
)
// textMapPropagator is a default TextMapPropagator that delegates calls to a
// registered delegate if one is set, otherwise it defaults to delegating the
// calls to a the default no-op propagation.TextMapPropagator.
type textMapPropagator struct {
mtx sync.Mutex
once sync.Once
delegate propagation.TextMapPropagator
noop propagation.TextMapPropagator
}
// Compile-time guarantee that textMapPropagator implements the
// propagation.TextMapPropagator interface.
var _ propagation.TextMapPropagator = (*textMapPropagator)(nil)
func newTextMapPropagator() *textMapPropagator {
return &textMapPropagator{
noop: propagation.NewCompositeTextMapPropagator(),
}
}
// SetDelegate sets a delegate propagation.TextMapPropagator that all calls are
// forwarded to. Delegation can only be performed once, all subsequent calls
// perform no delegation.
func (p *textMapPropagator) SetDelegate(delegate propagation.TextMapPropagator) {
if delegate == nil {
return
}
p.mtx.Lock()
p.once.Do(func() { p.delegate = delegate })
p.mtx.Unlock()
}
// effectiveDelegate returns the current delegate of p if one is set,
// otherwise the default noop TextMapPropagator is returned. This method
// can be called concurrently.
func (p *textMapPropagator) effectiveDelegate() propagation.TextMapPropagator {
p.mtx.Lock()
defer p.mtx.Unlock()
if p.delegate != nil {
return p.delegate
}
return p.noop
}
// Inject set cross-cutting concerns from the Context into the carrier.
func (p *textMapPropagator) Inject(ctx context.Context, carrier propagation.TextMapCarrier) {
p.effectiveDelegate().Inject(ctx, carrier)
}
// Extract reads cross-cutting concerns from the carrier into a Context.
func (p *textMapPropagator) Extract(ctx context.Context, carrier propagation.TextMapCarrier) context.Context {
return p.effectiveDelegate().Extract(ctx, carrier)
}
// Fields returns the keys whose values are set with Inject.
func (p *textMapPropagator) Fields() []string {
return p.effectiveDelegate().Fields()
}

143
vendor/go.opentelemetry.io/otel/internal/global/state.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package global
import (
"sync"
"sync/atomic"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/trace"
)
type (
tracerProviderHolder struct {
tp trace.TracerProvider
}
meterProviderHolder struct {
mp metric.MeterProvider
}
propagatorsHolder struct {
tm propagation.TextMapPropagator
}
)
var (
globalTracer = defaultTracerValue()
globalMeter = defaultMeterValue()
globalPropagators = defaultPropagatorsValue()
delegateMeterOnce sync.Once
delegateTraceOnce sync.Once
delegateTextMapPropagatorOnce sync.Once
)
// TracerProvider is the internal implementation for global.TracerProvider.
func TracerProvider() trace.TracerProvider {
return globalTracer.Load().(tracerProviderHolder).tp
}
// SetTracerProvider is the internal implementation for global.SetTracerProvider.
func SetTracerProvider(tp trace.TracerProvider) {
delegateTraceOnce.Do(func() {
current := TracerProvider()
if current == tp {
// Setting the provider to the prior default is nonsense, panic.
// Panic is acceptable because we are likely still early in the
// process lifetime.
panic("invalid TracerProvider, the global instance cannot be reinstalled")
} else if def, ok := current.(*tracerProvider); ok {
def.setDelegate(tp)
}
})
globalTracer.Store(tracerProviderHolder{tp: tp})
}
// MeterProvider is the internal implementation for global.MeterProvider.
func MeterProvider() metric.MeterProvider {
return globalMeter.Load().(meterProviderHolder).mp
}
// SetMeterProvider is the internal implementation for global.SetMeterProvider.
func SetMeterProvider(mp metric.MeterProvider) {
delegateMeterOnce.Do(func() {
current := MeterProvider()
if current == mp {
// Setting the provider to the prior default is nonsense, panic.
// Panic is acceptable because we are likely still early in the
// process lifetime.
panic("invalid MeterProvider, the global instance cannot be reinstalled")
} else if def, ok := current.(*meterProvider); ok {
def.setDelegate(mp)
}
})
globalMeter.Store(meterProviderHolder{mp: mp})
}
// TextMapPropagator is the internal implementation for global.TextMapPropagator.
func TextMapPropagator() propagation.TextMapPropagator {
return globalPropagators.Load().(propagatorsHolder).tm
}
// SetTextMapPropagator is the internal implementation for global.SetTextMapPropagator.
func SetTextMapPropagator(p propagation.TextMapPropagator) {
// For the textMapPropagator already returned by TextMapPropagator
// delegate to p.
delegateTextMapPropagatorOnce.Do(func() {
if current := TextMapPropagator(); current == p {
// Setting the provider to the prior default is nonsense, panic.
// Panic is acceptable because we are likely still early in the
// process lifetime.
panic("invalid TextMapPropagator, the global instance cannot be reinstalled")
} else if def, ok := current.(*textMapPropagator); ok {
def.SetDelegate(p)
}
})
// Return p when subsequent calls to TextMapPropagator are made.
globalPropagators.Store(propagatorsHolder{tm: p})
}
func defaultTracerValue() *atomic.Value {
v := &atomic.Value{}
v.Store(tracerProviderHolder{tp: &tracerProvider{}})
return v
}
func defaultMeterValue() *atomic.Value {
v := &atomic.Value{}
v.Store(meterProviderHolder{mp: newMeterProvider()})
return v
}
func defaultPropagatorsValue() *atomic.Value {
v := &atomic.Value{}
v.Store(propagatorsHolder{tm: newTextMapPropagator()})
return v
}
// ResetForTest restores the initial global state, for testing purposes.
func ResetForTest() {
globalTracer = defaultTracerValue()
globalMeter = defaultMeterValue()
globalPropagators = defaultPropagatorsValue()
delegateMeterOnce = sync.Once{}
delegateTraceOnce = sync.Once{}
delegateTextMapPropagatorOnce = sync.Once{}
}

128
vendor/go.opentelemetry.io/otel/internal/global/trace.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package global
/*
This file contains the forwarding implementation of the TracerProvider used as
the default global instance. Prior to initialization of an SDK, Tracers
returned by the global TracerProvider will provide no-op functionality. This
means that all Span created prior to initialization are no-op Spans.
Once an SDK has been initialized, all provided no-op Tracers are swapped for
Tracers provided by the SDK defined TracerProvider. However, any Span started
prior to this initialization does not change its behavior. Meaning, the Span
remains a no-op Span.
The implementation to track and swap Tracers locks all new Tracer creation
until the swap is complete. This assumes that this operation is not
performance-critical. If that assumption is incorrect, be sure to configure an
SDK prior to any Tracer creation.
*/
import (
"context"
"sync"
"go.opentelemetry.io/otel/internal/trace/noop"
"go.opentelemetry.io/otel/trace"
)
// tracerProvider is a placeholder for a configured SDK TracerProvider.
//
// All TracerProvider functionality is forwarded to a delegate once
// configured.
type tracerProvider struct {
mtx sync.Mutex
tracers []*tracer
delegate trace.TracerProvider
}
// Compile-time guarantee that tracerProvider implements the TracerProvider
// interface.
var _ trace.TracerProvider = &tracerProvider{}
// setDelegate configures p to delegate all TracerProvider functionality to
// provider.
//
// All Tracers provided prior to this function call are switched out to be
// Tracers provided by provider.
//
// Delegation only happens on the first call to this method. All subsequent
// calls result in no delegation changes.
func (p *tracerProvider) setDelegate(provider trace.TracerProvider) {
if p.delegate != nil {
return
}
p.mtx.Lock()
defer p.mtx.Unlock()
p.delegate = provider
for _, t := range p.tracers {
t.setDelegate(provider)
}
p.tracers = nil
}
// Tracer implements TracerProvider.
func (p *tracerProvider) Tracer(name string, opts ...trace.TracerOption) trace.Tracer {
p.mtx.Lock()
defer p.mtx.Unlock()
if p.delegate != nil {
return p.delegate.Tracer(name, opts...)
}
t := &tracer{name: name, opts: opts}
p.tracers = append(p.tracers, t)
return t
}
// tracer is a placeholder for a trace.Tracer.
//
// All Tracer functionality is forwarded to a delegate once configured.
// Otherwise, all functionality is forwarded to a NoopTracer.
type tracer struct {
once sync.Once
name string
opts []trace.TracerOption
delegate trace.Tracer
}
// Compile-time guarantee that tracer implements the trace.Tracer interface.
var _ trace.Tracer = &tracer{}
// setDelegate configures t to delegate all Tracer functionality to Tracers
// created by provider.
//
// All subsequent calls to the Tracer methods will be passed to the delegate.
//
// Delegation only happens on the first call to this method. All subsequent
// calls result in no delegation changes.
func (t *tracer) setDelegate(provider trace.TracerProvider) {
t.once.Do(func() { t.delegate = provider.Tracer(t.name, t.opts...) })
}
// Start implements trace.Tracer by forwarding the call to t.delegate if
// set, otherwise it forwards the call to a NoopTracer.
func (t *tracer) Start(ctx context.Context, name string, opts ...trace.SpanOption) (context.Context, trace.Span) {
if t.delegate != nil {
return t.delegate.Start(ctx, name, opts...)
}
return noop.Tracer.Start(ctx, name, opts...)
}

91
vendor/go.opentelemetry.io/otel/internal/rawhelpers.go generated vendored Normal file
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@ -0,0 +1,91 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"math"
"unsafe"
)
func BoolToRaw(b bool) uint64 {
if b {
return 1
}
return 0
}
func RawToBool(r uint64) bool {
return r != 0
}
func Int64ToRaw(i int64) uint64 {
return uint64(i)
}
func RawToInt64(r uint64) int64 {
return int64(r)
}
func Uint64ToRaw(u uint64) uint64 {
return u
}
func RawToUint64(r uint64) uint64 {
return r
}
func Float64ToRaw(f float64) uint64 {
return math.Float64bits(f)
}
func RawToFloat64(r uint64) float64 {
return math.Float64frombits(r)
}
func Int32ToRaw(i int32) uint64 {
return uint64(i)
}
func RawToInt32(r uint64) int32 {
return int32(r)
}
func Uint32ToRaw(u uint32) uint64 {
return uint64(u)
}
func RawToUint32(r uint64) uint32 {
return uint32(r)
}
func Float32ToRaw(f float32) uint64 {
return Uint32ToRaw(math.Float32bits(f))
}
func RawToFloat32(r uint64) float32 {
return math.Float32frombits(RawToUint32(r))
}
func RawPtrToFloat64Ptr(r *uint64) *float64 {
return (*float64)(unsafe.Pointer(r))
}
func RawPtrToInt64Ptr(r *uint64) *int64 {
return (*int64)(unsafe.Pointer(r))
}
func RawPtrToUint64Ptr(r *uint64) *uint64 {
return r
}

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