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cmd/swarm: Smoke test for Swarm Feed (#17892)

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lash 2018-10-12 16:24:00 +02:00 committed by Anton Evangelatov
parent 4868964bb9
commit 862d6f2fbf
3 changed files with 351 additions and 6 deletions
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323
cmd/swarm/swarm-smoke/feed_upload_and_sync.go Normal file
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@ -0,0 +1,323 @@
package main
import (
"bytes"
"crypto/md5"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"os/exec"
"strings"
"sync"
"time"
"github.com/pborman/uuid"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/swarm/multihash"
"github.com/ethereum/go-ethereum/swarm/storage/feed"
colorable "github.com/mattn/go-colorable"
cli "gopkg.in/urfave/cli.v1"
)
const (
feedRandomDataLength = 8
)
// TODO: retrieve with manifest + extract repeating code
func cliFeedUploadAndSync(c *cli.Context) error {
log.Root().SetHandler(log.CallerFileHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true)))))
defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
generateEndpoints(scheme, cluster, from, to)
log.Info("generating and uploading MRUs to " + endpoints[0] + " and syncing")
// create a random private key to sign updates with and derive the address
pkFile, err := ioutil.TempFile("", "swarm-feed-smoke-test")
if err != nil {
return err
}
defer pkFile.Close()
defer os.Remove(pkFile.Name())
privkeyHex := "0000000000000000000000000000000000000000000000000000000000001976"
privKey, err := crypto.HexToECDSA(privkeyHex)
if err != nil {
return err
}
user := crypto.PubkeyToAddress(privKey.PublicKey)
userHex := hexutil.Encode(user.Bytes())
// save the private key to a file
_, err = io.WriteString(pkFile, privkeyHex)
if err != nil {
return err
}
// keep hex strings for topic and subtopic
var topicHex string
var subTopicHex string
// and create combination hex topics for bzz-feed retrieval
// xor'ed with topic (zero-value topic if no topic)
var subTopicOnlyHex string
var mergedSubTopicHex string
// generate random topic and subtopic and put a hex on them
topicBytes, err := generateRandomData(feed.TopicLength)
topicHex = hexutil.Encode(topicBytes)
subTopicBytes, err := generateRandomData(8)
subTopicHex = hexutil.Encode(subTopicBytes)
if err != nil {
return err
}
mergedSubTopic, err := feed.NewTopic(subTopicHex, topicBytes)
if err != nil {
return err
}
mergedSubTopicHex = hexutil.Encode(mergedSubTopic[:])
subTopicOnlyBytes, err := feed.NewTopic(subTopicHex, nil)
if err != nil {
return err
}
subTopicOnlyHex = hexutil.Encode(subTopicOnlyBytes[:])
// create feed manifest, topic only
var out bytes.Buffer
cmd := exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--user", userHex)
cmd.Stdout = &out
log.Debug("create feed manifest topic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
return err
}
manifestWithTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
if len(manifestWithTopic) != 64 {
return fmt.Errorf("unknown feed create manifest hash format (topic): (%d) %s", len(out.String()), manifestWithTopic)
}
log.Debug("create topic feed", "manifest", manifestWithTopic)
out.Reset()
// create feed manifest, subtopic only
cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--name", subTopicHex, "--user", userHex)
cmd.Stdout = &out
log.Debug("create feed manifest subtopic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
return err
}
manifestWithSubTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
if len(manifestWithSubTopic) != 64 {
return fmt.Errorf("unknown feed create manifest hash format (subtopic): (%d) %s", len(out.String()), manifestWithSubTopic)
}
log.Debug("create subtopic feed", "manifest", manifestWithTopic)
out.Reset()
// create feed manifest, merged topic
cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
cmd.Stdout = &out
log.Debug("create feed manifest mergetopic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
log.Error(err.Error())
return err
}
manifestWithMergedTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
if len(manifestWithMergedTopic) != 64 {
return fmt.Errorf("unknown feed create manifest hash format (mergedtopic): (%d) %s", len(out.String()), manifestWithMergedTopic)
}
log.Debug("create mergedtopic feed", "manifest", manifestWithMergedTopic)
out.Reset()
// create test data
data, err := generateRandomData(feedRandomDataLength)
if err != nil {
return err
}
h := md5.New()
h.Write(data)
dataHash := h.Sum(nil)
dataHex := hexutil.Encode(data)
// update with topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, dataHex)
cmd.Stdout = &out
log.Debug("update feed manifest topic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update topic", "out", out)
out.Reset()
// update with subtopic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, dataHex)
cmd.Stdout = &out
log.Debug("update feed manifest subtopic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update subtopic", "out", out)
out.Reset()
// update with merged topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
cmd.Stdout = &out
log.Debug("update feed manifest merged topic cmd", "cmd", cmd)
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update mergedtopic", "out", out)
out.Reset()
time.Sleep(3 * time.Second)
// retrieve the data
wg := sync.WaitGroup{}
for _, endpoint := range endpoints {
// raw retrieve, topic only
for _, hex := range []string{topicHex, subTopicOnlyHex, mergedSubTopicHex} {
wg.Add(1)
ruid := uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetchFeed(hex, userHex, endpoint, dataHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
}
}
wg.Wait()
log.Info("all endpoints synced random data successfully")
// upload test file
log.Info("uploading to " + endpoints[0] + " and syncing")
f, cleanup := generateRandomFile(filesize * 1000)
defer cleanup()
hash, err := upload(f, endpoints[0])
if err != nil {
return err
}
hashBytes, err := hexutil.Decode("0x" + hash)
if err != nil {
return err
}
multihashHex := hexutil.Encode(multihash.ToMultihash(hashBytes))
fileHash, err := digest(f)
if err != nil {
return err
}
log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fileHash))
// update file with topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update topic", "out", out)
out.Reset()
// update file with subtopic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update subtopic", "out", out)
out.Reset()
// update file with merged topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("feed update mergedtopic", "out", out)
out.Reset()
time.Sleep(3 * time.Second)
for _, endpoint := range endpoints {
// manifest retrieve, topic only
for _, url := range []string{manifestWithTopic, manifestWithSubTopic, manifestWithMergedTopic} {
wg.Add(1)
ruid := uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetch(url, endpoint, fileHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
}
}
wg.Wait()
log.Info("all endpoints synced random file successfully")
return nil
}
func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
log.Trace("sleeping", "ruid", ruid)
time.Sleep(3 * time.Second)
log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
res, err := http.Get(endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user)
if err != nil {
return err
}
log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
if res.StatusCode != 200 {
return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid)
}
defer res.Body.Close()
rdigest, err := digest(res.Body)
if err != nil {
log.Warn(err.Error(), "ruid", ruid)
return err
}
if !bytes.Equal(rdigest, original) {
err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
log.Warn(err.Error(), "ruid", ruid)
return err
}
log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
return nil
}

16
cmd/swarm/swarm-smoke/main.go
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@ -21,7 +21,6 @@ import (
"sort"
"github.com/ethereum/go-ethereum/log"
colorable "github.com/mattn/go-colorable"
cli "gopkg.in/urfave/cli.v1"
)
@ -34,11 +33,10 @@ var (
filesize int
from int
to int
verbosity int
)
func main() {
log.PrintOrigins(true)
log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
app := cli.NewApp()
app.Name = "smoke-test"
@ -80,6 +78,12 @@ func main() {
Usage: "file size for generated random file in KB",
Destination: &filesize,
},
cli.IntFlag{
Name: "verbosity",
Value: 1,
Usage: "verbosity",
Destination: &verbosity,
},
}
app.Commands = []cli.Command{
@ -89,6 +93,12 @@ func main() {
Usage: "upload and sync",
Action: cliUploadAndSync,
},
{
Name: "feed_sync",
Aliases: []string{"f"},
Usage: "feed update generate, upload and sync",
Action: cliFeedUploadAndSync,
},
}
sort.Sort(cli.FlagsByName(app.Flags))

18
cmd/swarm/swarm-smoke/upload_and_sync.go
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@ -19,7 +19,8 @@ package main
import (
"bytes"
"crypto/md5"
"crypto/rand"
crand "crypto/rand"
"errors"
"fmt"
"io"
"io/ioutil"
@ -85,7 +86,6 @@ func cliUploadAndSync(c *cli.Context) error {
wg := sync.WaitGroup{}
for _, endpoint := range endpoints {
endpoint := endpoint
ruid := uuid.New()[:8]
wg.Add(1)
go func(endpoint string, ruid string) {
@ -166,6 +166,18 @@ func digest(r io.Reader) ([]byte, error) {
return h.Sum(nil), nil
}
// generates random data in heap buffer
func generateRandomData(datasize int) ([]byte, error) {
b := make([]byte, datasize)
c, err := crand.Read(b)
if err != nil {
return nil, err
} else if c != datasize {
return nil, errors.New("short read")
}
return b, nil
}
// generateRandomFile is creating a temporary file with the requested byte size
func generateRandomFile(size int) (f *os.File, teardown func()) {
// create a tmp file
@ -181,7 +193,7 @@ func generateRandomFile(size int) (f *os.File, teardown func()) {
}
buf := make([]byte, size)
_, err = rand.Read(buf)
_, err = crand.Read(buf)
if err != nil {
panic(err)
}