go-ethereum/cmd/swarm/swarm-smoke/resource_upload_and_sync.go
2018-09-14 11:51:56 +02:00

377 lines
9.7 KiB
Go

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/mru"
cli "gopkg.in/urfave/cli.v1"
)
const (
resourceRandomDataLength = 8
)
// TODO: retrieve with manifest + extract repeating code
func cliResourceUploadAndSync(c *cli.Context) error {
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-resource-smoke-test")
if err != nil {
return err
}
defer pkFile.Close()
defer os.Remove(pkFile.Name())
privkeyHex := "0000000000000000000000000000000000000000000000000000000000001976"
privKey, _ := crypto.HexToECDSA(privkeyHex)
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
}
// create a random topic and subtopic
topicBytes, err := generateRandomData(mru.TopicLength)
topicHex := hexutil.Encode(topicBytes)
subTopicBytes, err := generateRandomData(8)
subTopicHex := hexutil.Encode(subTopicBytes)
if err != nil {
return err
}
mergedSubTopic, err := mru.NewTopic(subTopicHex, topicBytes)
if err != nil {
return err
}
mergedSubTopicHex := hexutil.Encode(mergedSubTopic[:])
subTopicOnlyBytes, err := mru.NewTopic(subTopicHex, nil)
if err != nil {
return err
}
subTopicOnlyHex := hexutil.Encode(subTopicOnlyBytes[:])
// create resource manifest, topic only
var out bytes.Buffer
cmd := exec.Command("swarm", "--bzzapi", endpoints[0], "resource", "create", "--topic", topicHex, "--user", userHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
log.Debug("cmd", "cmd", cmd)
return err
}
result := strings.Split(out.String(), "\n")
if len(result) < 2 {
return fmt.Errorf("unknown resource create result format (topic): %s", result)
} else if len(result[1]) != 64 {
return fmt.Errorf("unknown resource create manifest hash format (topic): %s", result[1])
}
manifestWithTopic := result[1]
if err != nil {
return err
}
log.Debug("create topic resource", "manifest", manifestWithTopic)
out.Reset()
// create resource manifest, subtopic only
cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "resource", "create", "--name", subTopicHex, "--user", userHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
log.Error(err.Error())
return err
}
result = strings.Split(out.String(), "\n")
if len(result) < 2 {
return fmt.Errorf("unknown resource create result format (subtopic): %s", result)
} else if len(result[1]) != 64 {
return fmt.Errorf("unknown resource create manifest hash format (subtopic): %s", result[1])
}
manifestWithSubTopic := result[1]
if err != nil {
return err
}
log.Debug("create subtopic resource", "manifest", manifestWithSubTopic)
out.Reset()
// create resource manifest, merged topic
cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "resource", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
log.Error(err.Error())
return err
}
result = strings.Split(out.String(), "\n")
if len(result) < 2 {
return fmt.Errorf("unknown resource create result format (mergedtopic): %s", result)
} else if len(result[1]) != 64 {
return fmt.Errorf("unknown resource create manifest hash format (mergedtopic): %s", result[1])
}
manifestWithMergedTopic := result[1]
if err != nil {
return err
}
log.Debug("create mergedtopic resource", "manifest", manifestWithMergedTopic)
out.Reset()
// create test data
data, err := generateRandomData(resourceRandomDataLength)
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], "resource", "update", "--topic", topicHex, dataHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update topic", "out", out)
out.Reset()
// update with topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "resource", "update", "--name", subTopicHex, dataHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update subtopic", "out", out)
out.Reset()
// update with merged topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "resource", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update mergedtopic", "out", out)
out.Reset()
time.Sleep(3 * time.Second)
// retrieve the data
wg := sync.WaitGroup{}
for _, endpoint := range endpoints {
endpoint := endpoint
wg.Add(3)
// raw retrieve, topic only
ruid := uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetchResource(topicHex, userHex, endpoint, dataHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
// raw retrieve, subtopic only
ruid = uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetchResource(subTopicOnlyHex, userHex, endpoint, dataHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
// raw retrieve, merged topic
ruid = uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetchResource(mergedSubTopicHex, 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], "resource", "update", "--topic", topicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update topic", "out", out)
out.Reset()
// update file with subtopic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "resource", "update", "--name", subTopicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update subtopic", "out", out)
out.Reset()
// update file with merged topic
cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "resource", "update", "--topic", topicHex, "--name", subTopicHex, multihashHex)
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return err
}
log.Debug("resource update mergedtopic", "out", out)
out.Reset()
time.Sleep(3 * time.Second)
for _, endpoint := range endpoints {
endpoint := endpoint //????
wg.Add(3)
// manifest retrieve, topic only
ruid := uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetch(manifestWithTopic, endpoint, fileHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
// manifest retrieve, subtopic only
ruid = uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetch(manifestWithSubTopic, endpoint, fileHash, ruid)
if err != nil {
continue
}
wg.Done()
return
}
}(endpoint, ruid)
// manifest retrieve, merged topic
ruid = uuid.New()[:8]
go func(endpoint string, ruid string) {
for {
err := fetch(manifestWithMergedTopic, 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 fetchResource(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 (resource)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
res, err := http.Get(endpoint + "/bzz-resource:/?topic=" + topic + "&user=" + user)
if err != nil {
log.Warn(err.Error(), "ruid", ruid)
return err
}
log.Trace("http get response (resource)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
if res.StatusCode != 200 {
err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
log.Warn(err.Error(), "ruid", ruid)
return err
}
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
}