mirror of https://github.com/ethereum/go-ethereum
cmd/swarm/swarm-smoke: sliding window test (#18967)
(cherry picked from commit b91bf08876)
pull/19029/head
Elad
6 years ago
committed by
Rafael Matias
parent
1ecf2860cf
commit
7038b5734c
@ -0,0 +1,122 @@ |
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// Copyright 2018 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main |
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import ( |
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"crypto/md5" |
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crand "crypto/rand" |
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"fmt" |
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"io" |
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"math/rand" |
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"time" |
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"github.com/ethereum/go-ethereum/log" |
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"github.com/ethereum/go-ethereum/metrics" |
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"github.com/pborman/uuid" |
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cli "gopkg.in/urfave/cli.v1" |
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) |
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var seed = time.Now().UTC().UnixNano() |
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func init() { |
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rand.Seed(seed) |
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} |
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type uploadResult struct { |
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hash string |
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digest []byte |
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} |
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func slidingWindow(c *cli.Context) error { |
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defer func(now time.Time) { |
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totalTime := time.Since(now) |
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log.Info("total time", "time", totalTime) |
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metrics.GetOrRegisterCounter("sliding-window.total-time", nil).Inc(int64(totalTime)) |
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}(time.Now()) |
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generateEndpoints(scheme, cluster, appName, from, to) |
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hashes := []uploadResult{} //swarm hashes of the uploads
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nodes := to - from |
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const iterationTimeout = 30 * time.Second |
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log.Info("sliding window test started", "nodes", nodes, "filesize(kb)", filesize, "timeout", timeout) |
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uploadedBytes := 0 |
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networkDepth := 0 |
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errored := false |
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outer: |
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for { |
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log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed) |
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h := md5.New() |
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r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h) |
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t1 := time.Now() |
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hash, err := upload(r, filesize*1000, endpoints[0]) |
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if err != nil { |
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log.Error(err.Error()) |
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return err |
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} |
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metrics.GetOrRegisterResettingTimer("sliding-window.upload-time", nil).UpdateSince(t1) |
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fhash := h.Sum(nil) |
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log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash), "sleeping", syncDelay) |
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hashes = append(hashes, uploadResult{hash: hash, digest: fhash}) |
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time.Sleep(time.Duration(syncDelay) * time.Second) |
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uploadedBytes += filesize * 1000 |
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for i, v := range hashes { |
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timeout := time.After(time.Duration(timeout) * time.Second) |
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errored = false |
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inner: |
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for { |
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select { |
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case <-timeout: |
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errored = true |
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log.Error("error retrieving hash. timeout", "hash idx", i, "err", err) |
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metrics.GetOrRegisterCounter("sliding-window.single.error", nil).Inc(1) |
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break inner |
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default: |
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randIndex := 1 + rand.Intn(len(endpoints)-1) |
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ruid := uuid.New()[:8] |
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start := time.Now() |
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err := fetch(v.hash, endpoints[randIndex], v.digest, ruid) |
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if err != nil { |
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continue inner |
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} |
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metrics.GetOrRegisterResettingTimer("sliding-window.single.fetch-time", nil).UpdateSince(start) |
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break inner |
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} |
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} |
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if errored { |
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break outer |
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} |
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networkDepth = i |
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metrics.GetOrRegisterGauge("sliding-window.network-depth", nil).Update(int64(networkDepth)) |
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} |
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} |
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log.Info("sliding window test finished", "errored?", errored, "networkDepth", networkDepth, "networkDepth(kb)", networkDepth*filesize) |
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log.Info("stats", "uploadedFiles", len(hashes), "uploadedKb", uploadedBytes/1000, "filesizeKb", filesize) |
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return nil |
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} |
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@ -0,0 +1,267 @@ |
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// Copyright 2018 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main |
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import ( |
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"bytes" |
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"context" |
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"crypto/md5" |
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crand "crypto/rand" |
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"errors" |
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"fmt" |
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"io" |
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"io/ioutil" |
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"net/http" |
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"net/http/httptrace" |
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"os" |
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"time" |
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"github.com/ethereum/go-ethereum/log" |
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"github.com/ethereum/go-ethereum/metrics" |
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"github.com/ethereum/go-ethereum/swarm/api" |
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"github.com/ethereum/go-ethereum/swarm/api/client" |
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"github.com/ethereum/go-ethereum/swarm/spancontext" |
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opentracing "github.com/opentracing/opentracing-go" |
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cli "gopkg.in/urfave/cli.v1" |
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) |
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var ( |
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commandName = "" |
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) |
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func wrapCliCommand(name string, killOnTimeout bool, command func(*cli.Context) error) func(*cli.Context) error { |
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return func(ctx *cli.Context) error { |
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log.PrintOrigins(true) |
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true)))) |
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defer func(now time.Time) { |
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totalTime := time.Since(now) |
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log.Info("total time", "time", totalTime) |
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metrics.GetOrRegisterCounter(name+".total-time", nil).Inc(int64(totalTime)) |
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}(time.Now()) |
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log.Info("smoke test starting", "task", name, "timeout", timeout) |
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commandName = name |
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metrics.GetOrRegisterCounter(name, nil).Inc(1) |
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errc := make(chan error) |
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done := make(chan struct{}) |
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if killOnTimeout { |
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go func() { |
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<-time.After(time.Duration(timeout) * time.Second) |
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close(done) |
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}() |
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} |
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go func() { |
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errc <- command(ctx) |
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}() |
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select { |
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case err := <-errc: |
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if err != nil { |
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", name), nil).Inc(1) |
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} |
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return err |
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case <-done: |
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", name), nil).Inc(1) |
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return fmt.Errorf("timeout after %v sec", timeout) |
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} |
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} |
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} |
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func generateEndpoints(scheme string, cluster string, app string, from int, to int) { |
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if cluster == "prod" { |
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for port := from; port < to; port++ { |
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endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port)) |
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} |
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} else if cluster == "private-internal" { |
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for port := from; port < to; port++ { |
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endpoints = append(endpoints, fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, port)) |
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} |
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} else { |
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for port := from; port < to; port++ { |
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endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster)) |
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} |
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} |
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if includeLocalhost { |
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endpoints = append(endpoints, "http://localhost:8500") |
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} |
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} |
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//just use the first endpoint
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func generateEndpoint(scheme string, cluster string, app string, from int) string { |
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if cluster == "prod" { |
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return fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, from) |
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} else if cluster == "private-internal" { |
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return fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, from) |
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} else { |
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return fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, from, cluster) |
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} |
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} |
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func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error { |
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ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch") |
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defer sp.Finish() |
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log.Trace("sleeping", "ruid", ruid) |
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time.Sleep(3 * time.Second) |
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log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user) |
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var tn time.Time |
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reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user |
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req, _ := http.NewRequest("GET", reqUri, nil) |
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opentracing.GlobalTracer().Inject( |
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sp.Context(), |
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opentracing.HTTPHeaders, |
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opentracing.HTTPHeadersCarrier(req.Header)) |
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trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn) |
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace)) |
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transport := http.DefaultTransport |
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now() |
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res, err := transport.RoundTrip(req) |
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if err != nil { |
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log.Error(err.Error(), "ruid", ruid) |
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return err |
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} |
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log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength) |
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if res.StatusCode != 200 { |
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return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid) |
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} |
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defer res.Body.Close() |
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rdigest, err := digest(res.Body) |
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if err != nil { |
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log.Warn(err.Error(), "ruid", ruid) |
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return err |
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} |
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if !bytes.Equal(rdigest, original) { |
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err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original) |
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log.Warn(err.Error(), "ruid", ruid) |
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return err |
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} |
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log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength) |
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return nil |
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} |
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// fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
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func fetch(hash string, endpoint string, original []byte, ruid string) error { |
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ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch") |
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defer sp.Finish() |
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log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash) |
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var tn time.Time |
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reqUri := endpoint + "/bzz:/" + hash + "/" |
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req, _ := http.NewRequest("GET", reqUri, nil) |
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opentracing.GlobalTracer().Inject( |
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sp.Context(), |
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opentracing.HTTPHeaders, |
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opentracing.HTTPHeadersCarrier(req.Header)) |
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trace := client.GetClientTrace(commandName+" - http get", commandName, ruid, &tn) |
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace)) |
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transport := http.DefaultTransport |
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now() |
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res, err := transport.RoundTrip(req) |
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if err != nil { |
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log.Error(err.Error(), "ruid", ruid) |
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return err |
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} |
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log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength) |
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if res.StatusCode != 200 { |
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err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode) |
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log.Warn(err.Error(), "ruid", ruid) |
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return err |
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} |
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defer res.Body.Close() |
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rdigest, err := digest(res.Body) |
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if err != nil { |
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log.Warn(err.Error(), "ruid", ruid) |
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return err |
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} |
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if !bytes.Equal(rdigest, original) { |
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err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original) |
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log.Warn(err.Error(), "ruid", ruid) |
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|
return err |
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} |
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log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength) |
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|
return nil |
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} |
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// upload an arbitrary byte as a plaintext file to `endpoint` using the api client
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func upload(r io.Reader, size int, endpoint string) (string, error) { |
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swarm := client.NewClient(endpoint) |
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f := &client.File{ |
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ReadCloser: ioutil.NopCloser(r), |
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ManifestEntry: api.ManifestEntry{ |
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ContentType: "text/plain", |
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Mode: 0660, |
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Size: int64(size), |
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}, |
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} |
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// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
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return swarm.Upload(f, "", false) |
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} |
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func digest(r io.Reader) ([]byte, error) { |
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h := md5.New() |
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_, err := io.Copy(h, r) |
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|
if err != nil { |
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return nil, err |
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|
} |
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return h.Sum(nil), nil |
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} |
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// generates random data in heap buffer
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func generateRandomData(datasize int) ([]byte, error) { |
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b := make([]byte, datasize) |
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c, err := crand.Read(b) |
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|
if err != nil { |
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return nil, err |
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|
} else if c != datasize { |
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|
return nil, errors.New("short read") |
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} |
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|
return b, nil |
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|
} |
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