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Enable Prometheus metrics endpoint and add lotus version

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This commit is contained in:
Nate Walck 2020-02-23 17:35:29 -05:00
parent 7d499df001
commit c0ef65f442
4 changed files with 27 additions and 1 deletions
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13
cmd/lotus/daemon.go
View File

@ -13,6 +13,8 @@ import (
blockstore "github.com/ipfs/go-ipfs-blockstore"
"github.com/mitchellh/go-homedir"
"github.com/multiformats/go-multiaddr"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"golang.org/x/xerrors"
"gopkg.in/urfave/cli.v2"
@ -171,6 +173,17 @@ var DaemonCmd = &cli.Command{
return xerrors.Errorf("initializing node: %w", err)
}
// Add lotus version info to prometheus metrics
var lotusInfoMetric = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "lotus_info",
Help: "Lotus version information.",
}, []string{"version"})
// Setting to 1 lets us multiply it with other stats to add the version labels
lotusInfoMetric.With(prometheus.Labels{
"version": build.UserVersion,
}).Set(1)
endpoint, err := r.APIEndpoint()
if err != nil {
return xerrors.Errorf("getting api endpoint: %w", err)

9
cmd/lotus/rpc.go
View File

@ -3,13 +3,14 @@ package main
import (
"context"
"encoding/json"
"github.com/filecoin-project/lotus/api/apistruct"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"syscall"
"github.com/filecoin-project/lotus/api/apistruct"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/lib/auth"
"github.com/filecoin-project/lotus/lib/jsonrpc"
@ -21,6 +22,10 @@ import (
"github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr-net"
"golang.org/x/xerrors"
// "github.com/prometheus/client_golang/prometheus"
// "github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
var log = logging.Logger("main")
@ -48,6 +53,8 @@ func serveRPC(a api.FullNode, stop node.StopFunc, addr multiaddr.Multiaddr) erro
return xerrors.Errorf("could not listen: %w", err)
}
http.Handle("/metrics", promhttp.Handler())
srv := &http.Server{Handler: http.DefaultServeMux}
sigChan := make(chan os.Signal, 2)

1
go.mod
View File

@ -83,6 +83,7 @@ require (
github.com/multiformats/go-varint v0.0.2
github.com/opentracing/opentracing-go v1.1.0
github.com/polydawn/refmt v0.0.0-20190809202753-05966cbd336a
github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829
github.com/prometheus/common v0.2.0
github.com/stretchr/testify v1.4.0
github.com/whyrusleeping/bencher v0.0.0-20190829221104-bb6607aa8bba

5
go.sum
View File

@ -33,6 +33,7 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
github.com/apache/thrift v0.12.0 h1:pODnxUFNcjP9UTLZGTdeh+j16A8lJbRvD3rOtrk/7bs=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
@ -562,6 +563,7 @@ github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg
github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
github.com/miekg/dns v1.1.12/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
@ -656,12 +658,15 @@ github.com/polydawn/refmt v0.0.0-20190807091052-3d65705ee9f1/go.mod h1:uIp+gprXx
github.com/polydawn/refmt v0.0.0-20190809202753-05966cbd336a h1:hjZfReYVLbqFkAtr2us7vdy04YWz3LVAirzP7reh8+M=
github.com/polydawn/refmt v0.0.0-20190809202753-05966cbd336a/go.mod h1:uIp+gprXxxrWSjjklXD+mN4wed/tMfjMMmN/9+JsA9o=
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829 h1:D+CiwcpGTW6pL6bv6KI3KbyEyCKyS+1JWS2h8PNDnGA=
github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829/go.mod h1:p2iRAGwDERtqlqzRXnrOVns+ignqQo//hLXqYxZYVNs=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f h1:BVwpUVJDADN2ufcGik7W992pyps0wZ888b/y9GXcLTU=
github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/common v0.2.0 h1:kUZDBDTdBVBYBj5Tmh2NZLlF60mfjA27rM34b+cVwNU=
github.com/prometheus/common v0.2.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1 h1:/K3IL0Z1quvmJ7X0A1AwNEK7CRkVK3YwfOU/QAL4WGg=
github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=