367 lines
10 KiB
Go
367 lines
10 KiB
Go
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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"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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"os/exec"
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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/crypto"
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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/client"
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"github.com/ethereum/go-ethereum/swarm/spancontext"
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"github.com/ethereum/go-ethereum/swarm/storage/feed"
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"github.com/ethereum/go-ethereum/swarm/testutil"
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colorable "github.com/mattn/go-colorable"
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opentracing "github.com/opentracing/opentracing-go"
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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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const (
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feedRandomDataLength = 8
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)
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func cliFeedUploadAndSync(c *cli.Context) error {
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metrics.GetOrRegisterCounter("feed-and-sync", nil).Inc(1)
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log.Root().SetHandler(log.CallerFileHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true)))))
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errc := make(chan error)
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go func() {
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errc <- feedUploadAndSync(c)
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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("feed-and-sync.fail", nil).Inc(1)
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}
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return err
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case <-time.After(time.Duration(timeout) * time.Second):
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metrics.GetOrRegisterCounter("feed-and-sync.timeout", 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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// TODO: retrieve with manifest + extract repeating code
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func feedUploadAndSync(c *cli.Context) error {
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defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
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generateEndpoints(scheme, cluster, appName, from, to)
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log.Info("generating and uploading feeds to " + endpoints[0] + " and syncing")
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// create a random private key to sign updates with and derive the address
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pkFile, err := ioutil.TempFile("", "swarm-feed-smoke-test")
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if err != nil {
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return err
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}
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defer pkFile.Close()
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defer os.Remove(pkFile.Name())
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privkeyHex := "0000000000000000000000000000000000000000000000000000000000001976"
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privKey, err := crypto.HexToECDSA(privkeyHex)
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if err != nil {
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return err
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}
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user := crypto.PubkeyToAddress(privKey.PublicKey)
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userHex := hexutil.Encode(user.Bytes())
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// save the private key to a file
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_, err = io.WriteString(pkFile, privkeyHex)
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if err != nil {
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return err
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}
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// keep hex strings for topic and subtopic
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var topicHex string
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var subTopicHex string
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// and create combination hex topics for bzz-feed retrieval
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// xor'ed with topic (zero-value topic if no topic)
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var subTopicOnlyHex string
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var mergedSubTopicHex string
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// generate random topic and subtopic and put a hex on them
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topicBytes, err := generateRandomData(feed.TopicLength)
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topicHex = hexutil.Encode(topicBytes)
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subTopicBytes, err := generateRandomData(8)
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subTopicHex = hexutil.Encode(subTopicBytes)
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if err != nil {
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return err
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}
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mergedSubTopic, err := feed.NewTopic(subTopicHex, topicBytes)
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if err != nil {
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return err
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}
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mergedSubTopicHex = hexutil.Encode(mergedSubTopic[:])
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subTopicOnlyBytes, err := feed.NewTopic(subTopicHex, nil)
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if err != nil {
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return err
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}
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subTopicOnlyHex = hexutil.Encode(subTopicOnlyBytes[:])
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// create feed manifest, topic only
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var out bytes.Buffer
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cmd := exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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manifestWithTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (topic): (%d) %s", len(out.String()), manifestWithTopic)
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}
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log.Debug("create topic feed", "manifest", manifestWithTopic)
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out.Reset()
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// create feed manifest, subtopic only
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cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--name", subTopicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest subtopic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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manifestWithSubTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithSubTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (subtopic): (%d) %s", len(out.String()), manifestWithSubTopic)
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}
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log.Debug("create subtopic feed", "manifest", manifestWithTopic)
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out.Reset()
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// create feed manifest, merged topic
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cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest mergetopic cmd", "cmd", cmd)
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err = cmd.Run()
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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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manifestWithMergedTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithMergedTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (mergedtopic): (%d) %s", len(out.String()), manifestWithMergedTopic)
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}
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log.Debug("create mergedtopic feed", "manifest", manifestWithMergedTopic)
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out.Reset()
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// create test data
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data, err := generateRandomData(feedRandomDataLength)
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if err != nil {
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return err
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}
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h := md5.New()
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h.Write(data)
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dataHash := h.Sum(nil)
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dataHex := hexutil.Encode(data)
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// update with topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update topic", "out", out)
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out.Reset()
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// update with subtopic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest subtopic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update subtopic", "out", out)
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out.Reset()
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// update with merged topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest merged topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update mergedtopic", "out", out)
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out.Reset()
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time.Sleep(3 * time.Second)
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// retrieve the data
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wg := sync.WaitGroup{}
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for _, endpoint := range endpoints {
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// raw retrieve, topic only
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for _, hex := range []string{topicHex, subTopicOnlyHex, mergedSubTopicHex} {
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wg.Add(1)
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ruid := uuid.New()[:8]
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go func(hex string, endpoint string, ruid string) {
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for {
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err := fetchFeed(hex, userHex, endpoint, dataHash, ruid)
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if err != nil {
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continue
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}
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wg.Done()
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return
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}
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}(hex, endpoint, ruid)
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}
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}
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wg.Wait()
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log.Info("all endpoints synced random data successfully")
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// upload test file
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seed := int(time.Now().UnixNano() / 1e6)
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log.Info("feed uploading to "+endpoints[0]+" and syncing", "seed", seed)
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randomBytes := testutil.RandomBytes(seed, filesize*1000)
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hash, err := upload(&randomBytes, endpoints[0])
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if err != nil {
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return err
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}
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hashBytes, err := hexutil.Decode("0x" + hash)
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if err != nil {
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return err
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}
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multihashHex := hexutil.Encode(hashBytes)
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fileHash, err := digest(bytes.NewReader(randomBytes))
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if err != nil {
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return err
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}
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log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fileHash))
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// update file with topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update topic", "out", out)
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out.Reset()
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// update file with subtopic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update subtopic", "out", out)
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out.Reset()
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// update file with merged topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update mergedtopic", "out", out)
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out.Reset()
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time.Sleep(3 * time.Second)
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for _, endpoint := range endpoints {
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// manifest retrieve, topic only
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for _, url := range []string{manifestWithTopic, manifestWithSubTopic, manifestWithMergedTopic} {
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wg.Add(1)
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ruid := uuid.New()[:8]
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go func(url string, endpoint string, ruid string) {
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for {
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err := fetch(url, endpoint, fileHash, ruid)
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if err != nil {
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continue
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}
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wg.Done()
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return
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}
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}(url, endpoint, ruid)
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}
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}
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wg.Wait()
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log.Info("all endpoints synced random file successfully")
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return nil
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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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