cmd/swarm/swarm-smoke: refactor generateEndpoints (#19006)

(cherry picked from commit d212535ddd5bf63a0c0b194525246480ae46c537)

6 files changed, 214 insertions, 191 deletions

diff --git a/cmd/swarm/swarm-smoke/feed_upload_and_sync.go b/cmd/swarm/swarm-smoke/feed_upload_and_sync.go
index a322ba89c..6b3fed0c7 100644
--- a/cmd/swarm/swarm-smoke/feed_upload_and_sync.go
+++ b/cmd/swarm/swarm-smoke/feed_upload_and_sync.go
@@ -3,7 +3,6 @@ package main
 import (
 	"bytes"
 	"crypto/md5"
-	crand "crypto/rand"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -16,7 +15,9 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/swarm/storage/feed"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
 	"github.com/pborman/uuid"
 	cli "gopkg.in/urfave/cli.v1"
 )
@@ -25,13 +26,28 @@ const (
 	feedRandomDataLength = 8
 )
 
-// TODO: retrieve with manifest + extract repeating code
-func feedUploadAndSync(c *cli.Context) error {
-	defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
+func feedUploadAndSyncCmd(ctx *cli.Context, tuid string) error {
+	errc := make(chan error)
 
-	generateEndpoints(scheme, cluster, appName, from, to)
+	go func() {
+		errc <- feedUploadAndSync(ctx, tuid)
+	}()
 
-	log.Info("generating and uploading feeds to " + endpoints[0] + " and syncing")
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
+
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+func feedUploadAndSync(c *cli.Context, tuid string) error {
+	log.Info("generating and uploading feeds to " + httpEndpoint(hosts[0]) + " and syncing")
 
 	// create a random private key to sign updates with and derive the address
 	pkFile, err := ioutil.TempFile("", "swarm-feed-smoke-test")
@@ -85,7 +101,7 @@ func feedUploadAndSync(c *cli.Context) error {
 
 	// create feed manifest, topic only
 	var out bytes.Buffer
-	cmd := exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--user", userHex)
+	cmd := exec.Command("swarm", "--bzzapi", httpEndpoint(hosts[0]), "feed", "create", "--topic", topicHex, "--user", userHex)
 	cmd.Stdout = &out
 	log.Debug("create feed manifest topic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -100,7 +116,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	out.Reset()
 
 	// create feed manifest, subtopic only
-	cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--name", subTopicHex, "--user", userHex)
+	cmd = exec.Command("swarm", "--bzzapi", httpEndpoint(hosts[0]), "feed", "create", "--name", subTopicHex, "--user", userHex)
 	cmd.Stdout = &out
 	log.Debug("create feed manifest subtopic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -115,7 +131,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	out.Reset()
 
 	// create feed manifest, merged topic
-	cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
+	cmd = exec.Command("swarm", "--bzzapi", httpEndpoint(hosts[0]), "feed", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
 	cmd.Stdout = &out
 	log.Debug("create feed manifest mergetopic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -141,7 +157,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	dataHex := hexutil.Encode(data)
 
 	// update with topic
-	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, dataHex)
+	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--topic", topicHex, dataHex)
 	cmd.Stdout = &out
 	log.Debug("update feed manifest topic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -152,7 +168,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	out.Reset()
 
 	// update with subtopic
-	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, dataHex)
+	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--name", subTopicHex, dataHex)
 	cmd.Stdout = &out
 	log.Debug("update feed manifest subtopic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -163,7 +179,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	out.Reset()
 
 	// update with merged topic
-	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
+	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
 	cmd.Stdout = &out
 	log.Debug("update feed manifest merged topic cmd", "cmd", cmd)
 	err = cmd.Run()
@@ -177,14 +193,14 @@ func feedUploadAndSync(c *cli.Context) error {
 
 	// retrieve the data
 	wg := sync.WaitGroup{}
-	for _, endpoint := range endpoints {
+	for _, host := range hosts {
 		// raw retrieve, topic only
 		for _, hex := range []string{topicHex, subTopicOnlyHex, mergedSubTopicHex} {
 			wg.Add(1)
 			ruid := uuid.New()[:8]
 			go func(hex string, endpoint string, ruid string) {
 				for {
-					err := fetchFeed(hex, userHex, endpoint, dataHash, ruid)
+					err := fetchFeed(hex, userHex, httpEndpoint(host), dataHash, ruid)
 					if err != nil {
 						continue
 					}
@@ -192,21 +208,18 @@ func feedUploadAndSync(c *cli.Context) error {
 					wg.Done()
 					return
 				}
-			}(hex, endpoint, ruid)
-
+			}(hex, httpEndpoint(host), ruid)
 		}
 	}
 	wg.Wait()
 	log.Info("all endpoints synced random data successfully")
 
 	// upload test file
-	seed := int(time.Now().UnixNano() / 1e6)
-	log.Info("feed uploading to "+endpoints[0]+" and syncing", "seed", seed)
+	log.Info("feed uploading to "+httpEndpoint(hosts[0])+" and syncing", "seed", seed)
 
-	h = md5.New()
-	r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
+	randomBytes := testutil.RandomBytes(seed, filesize*1000)
 
-	hash, err := upload(r, filesize*1000, endpoints[0])
+	hash, err := upload(randomBytes, httpEndpoint(hosts[0]))
 	if err != nil {
 		return err
 	}
@@ -220,7 +233,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	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 = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--topic", topicHex, multihashHex)
 	cmd.Stdout = &out
 	err = cmd.Run()
 	if err != nil {
@@ -230,7 +243,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	out.Reset()
 
 	// update file with subtopic
-	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, multihashHex)
+	cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--name", subTopicHex, multihashHex)
 	cmd.Stdout = &out
 	err = cmd.Run()
 	if err != nil {
@@ -240,7 +253,7 @@ func feedUploadAndSync(c *cli.Context) error {
 	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 = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", httpEndpoint(hosts[0]), "feed", "update", "--topic", topicHex, "--name", subTopicHex, multihashHex)
 	cmd.Stdout = &out
 	err = cmd.Run()
 	if err != nil {
@@ -251,7 +264,7 @@ func feedUploadAndSync(c *cli.Context) error {
 
 	time.Sleep(3 * time.Second)
 
-	for _, endpoint := range endpoints {
+	for _, host := range hosts {
 
 		// manifest retrieve, topic only
 		for _, url := range []string{manifestWithTopic, manifestWithSubTopic, manifestWithMergedTopic} {
@@ -259,7 +272,7 @@ func feedUploadAndSync(c *cli.Context) error {
 			ruid := uuid.New()[:8]
 			go func(url string, endpoint string, ruid string) {
 				for {
-					err := fetch(url, endpoint, fileHash, ruid)
+					err := fetch(url, endpoint, fileHash, ruid, "")
 					if err != nil {
 						continue
 					}
@@ -267,7 +280,7 @@ func feedUploadAndSync(c *cli.Context) error {
 					wg.Done()
 					return
 				}
-			}(url, endpoint, ruid)
+			}(url, httpEndpoint(host), ruid)
 		}
 
 	}
diff --git a/cmd/swarm/swarm-smoke/main.go b/cmd/swarm/swarm-smoke/main.go
index c382591f8..4e977c668 100644
--- a/cmd/swarm/swarm-smoke/main.go
+++ b/cmd/swarm/swarm-smoke/main.go
@@ -37,18 +37,15 @@ var (
 )
 
 var (
-	endpoints        []string
-	includeLocalhost bool
-	cluster          string
-	appName          string
-	scheme           string
-	filesize         int
-	syncDelay        int
-	from             int
-	to               int
-	verbosity        int
-	timeout          int
-	single           bool
+	allhosts  string
+	hosts     []string
+	filesize  int
+	syncDelay int
+	httpPort  int
+	wsPort    int
+	verbosity int
+	timeout   int
+	single    bool
 )
 
 func main() {
@@ -59,39 +56,22 @@ func main() {
 
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
-			Name:        "cluster-endpoint",
-			Value:       "prod",
-			Usage:       "cluster to point to (prod or a given namespace)",
-			Destination: &cluster,
-		},
-		cli.StringFlag{
-			Name:        "app",
-			Value:       "swarm",
-			Usage:       "application to point to (swarm or swarm-private)",
-			Destination: &appName,
+			Name:        "hosts",
+			Value:       "",
+			Usage:       "comma-separated list of swarm hosts",
+			Destination: &allhosts,
 		},
 		cli.IntFlag{
-			Name:        "cluster-from",
-			Value:       8501,
-			Usage:       "swarm node (from)",
-			Destination: &from,
+			Name:        "http-port",
+			Value:       80,
+			Usage:       "http port",
+			Destination: &httpPort,
 		},
 		cli.IntFlag{
-			Name:        "cluster-to",
-			Value:       8512,
-			Usage:       "swarm node (to)",
-			Destination: &to,
-		},
-		cli.StringFlag{
-			Name:        "cluster-scheme",
-			Value:       "http",
-			Usage:       "http or https",
-			Destination: &scheme,
-		},
-		cli.BoolFlag{
-			Name:        "include-localhost",
-			Usage:       "whether to include localhost:8500 as an endpoint",
-			Destination: &includeLocalhost,
+			Name:        "ws-port",
+			Value:       8546,
+			Usage:       "ws port",
+			Destination: &wsPort,
 		},
 		cli.IntFlag{
 			Name:        "filesize",
@@ -140,25 +120,25 @@ func main() {
 			Name:    "upload_and_sync",
 			Aliases: []string{"c"},
 			Usage:   "upload and sync",
-			Action:  wrapCliCommand("upload-and-sync", true, uploadAndSync),
+			Action:  wrapCliCommand("upload-and-sync", uploadAndSyncCmd),
 		},
 		{
 			Name:    "feed_sync",
 			Aliases: []string{"f"},
 			Usage:   "feed update generate, upload and sync",
-			Action:  wrapCliCommand("feed-and-sync", true, feedUploadAndSync),
+			Action:  wrapCliCommand("feed-and-sync", feedUploadAndSyncCmd),
 		},
 		{
 			Name:    "upload_speed",
 			Aliases: []string{"u"},
 			Usage:   "measure upload speed",
-			Action:  wrapCliCommand("upload-speed", true, uploadSpeed),
+			Action:  wrapCliCommand("upload-speed", uploadSpeedCmd),
 		},
 		{
 			Name:    "sliding_window",
 			Aliases: []string{"s"},
 			Usage:   "measure network aggregate capacity",
-			Action:  wrapCliCommand("sliding-window", false, slidingWindow),
+			Action:  wrapCliCommand("sliding-window", slidingWindowCmd),
 		},
 	}
 
diff --git a/cmd/swarm/swarm-smoke/sliding_window.go b/cmd/swarm/swarm-smoke/sliding_window.go
index 3c4b1c79a..d313bbc37 100644
--- a/cmd/swarm/swarm-smoke/sliding_window.go
+++ b/cmd/swarm/swarm-smoke/sliding_window.go
@@ -17,50 +17,62 @@
 package main
 
 import (
-	"crypto/md5"
-	crand "crypto/rand"
+	"bytes"
 	"fmt"
-	"io"
 	"math/rand"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
 	"github.com/pborman/uuid"
 
 	cli "gopkg.in/urfave/cli.v1"
 )
 
-var seed = time.Now().UTC().UnixNano()
-
-func init() {
-	rand.Seed(seed)
-}
-
 type uploadResult struct {
 	hash   string
 	digest []byte
 }
 
-func slidingWindow(c *cli.Context) error {
-	generateEndpoints(scheme, cluster, appName, from, to)
+func slidingWindowCmd(ctx *cli.Context, tuid string) error {
+	errc := make(chan error)
+
+	go func() {
+		errc <- slidingWindow(ctx, tuid)
+	}()
+
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
+
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+func slidingWindow(ctx *cli.Context, tuid string) error {
 	hashes := []uploadResult{} //swarm hashes of the uploads
-	nodes := to - from
+	nodes := len(hosts)
 	const iterationTimeout = 30 * time.Second
-	log.Info("sliding window test started", "nodes", nodes, "filesize(kb)", filesize, "timeout", timeout)
+	log.Info("sliding window test started", "tuid", tuid, "nodes", nodes, "filesize(kb)", filesize, "timeout", timeout)
 	uploadedBytes := 0
 	networkDepth := 0
 	errored := false
 
 outer:
 	for {
-		log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
+		log.Info("uploading to "+httpEndpoint(hosts[0])+" and syncing", "seed", seed)
 
-		h := md5.New()
-		r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
 		t1 := time.Now()
 
-		hash, err := upload(r, filesize*1000, endpoints[0])
+		randomBytes := testutil.RandomBytes(seed, filesize*1000)
+
+		hash, err := upload(randomBytes, httpEndpoint(hosts[0]))
 		if err != nil {
 			log.Error(err.Error())
 			return err
@@ -68,7 +80,11 @@ outer:
 
 		metrics.GetOrRegisterResettingTimer("sliding-window.upload-time", nil).UpdateSince(t1)
 
-		fhash := h.Sum(nil)
+		fhash, err := digest(bytes.NewReader(randomBytes))
+		if err != nil {
+			log.Error(err.Error())
+			return err
+		}
 
 		log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash), "sleeping", syncDelay)
 		hashes = append(hashes, uploadResult{hash: hash, digest: fhash})
@@ -88,10 +104,10 @@ outer:
 					metrics.GetOrRegisterCounter("sliding-window.single.error", nil).Inc(1)
 					break inner
 				default:
-					randIndex := 1 + rand.Intn(len(endpoints)-1)
+					idx := 1 + rand.Intn(len(hosts)-1)
 					ruid := uuid.New()[:8]
 					start := time.Now()
-					err := fetch(v.hash, endpoints[randIndex], v.digest, ruid)
+					err := fetch(v.hash, httpEndpoint(hosts[idx]), v.digest, ruid, "")
 					if err != nil {
 						continue inner
 					}
diff --git a/cmd/swarm/swarm-smoke/upload_and_sync.go b/cmd/swarm/swarm-smoke/upload_and_sync.go
index c67989651..b2858e227 100644
--- a/cmd/swarm/swarm-smoke/upload_and_sync.go
+++ b/cmd/swarm/swarm-smoke/upload_and_sync.go
@@ -17,84 +17,109 @@
 package main
 
 import (
-	"crypto/md5"
-	crand "crypto/rand"
+	"bytes"
 	"fmt"
-	"io"
 	"math/rand"
 	"sync"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
 	"github.com/pborman/uuid"
 
 	cli "gopkg.in/urfave/cli.v1"
 )
 
-func uploadAndSync(c *cli.Context) error {
-	generateEndpoints(scheme, cluster, appName, from, to)
-	seed := int(time.Now().UnixNano() / 1e6)
+func uploadAndSyncCmd(ctx *cli.Context, tuid string) error {
+	randomBytes := testutil.RandomBytes(seed, filesize*1000)
 
-	log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
+	errc := make(chan error)
 
-	h := md5.New()
-	r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
+	go func() {
+		errc <- uplaodAndSync(ctx, randomBytes, tuid)
+	}()
+
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
+
+		// trigger debug functionality on randomBytes
+
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+func uplaodAndSync(c *cli.Context, randomBytes []byte, tuid string) error {
+	log.Info("uploading to "+httpEndpoint(hosts[0])+" and syncing", "tuid", tuid, "seed", seed)
 
 	t1 := time.Now()
-	hash, err := upload(r, filesize*1000, endpoints[0])
+	hash, err := upload(randomBytes, httpEndpoint(hosts[0]))
 	if err != nil {
 		log.Error(err.Error())
 		return err
 	}
-	metrics.GetOrRegisterResettingTimer("upload-and-sync.upload-time", nil).UpdateSince(t1)
+	t2 := time.Since(t1)
+	metrics.GetOrRegisterResettingTimer("upload-and-sync.upload-time", nil).Update(t2)
 
-	fhash := h.Sum(nil)
+	fhash, err := digest(bytes.NewReader(randomBytes))
+	if err != nil {
+		log.Error(err.Error())
+		return err
+	}
 
-	log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
+	log.Info("uploaded successfully", "tuid", tuid, "hash", hash, "took", t2, "digest", fmt.Sprintf("%x", fhash))
 
 	time.Sleep(time.Duration(syncDelay) * time.Second)
 
 	wg := sync.WaitGroup{}
 	if single {
-		rand.Seed(time.Now().UTC().UnixNano())
-		randIndex := 1 + rand.Intn(len(endpoints)-1)
+		randIndex := 1 + rand.Intn(len(hosts)-1)
 		ruid := uuid.New()[:8]
 		wg.Add(1)
 		go func(endpoint string, ruid string) {
 			for {
 				start := time.Now()
-				err := fetch(hash, endpoint, fhash, ruid)
+				err := fetch(hash, endpoint, fhash, ruid, tuid)
 				if err != nil {
 					continue
 				}
+				ended := time.Since(start)
 
-				metrics.GetOrRegisterResettingTimer("upload-and-sync.single.fetch-time", nil).UpdateSince(start)
+				metrics.GetOrRegisterResettingTimer("upload-and-sync.single.fetch-time", nil).Update(ended)
+				log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
 				wg.Done()
 				return
 			}
-		}(endpoints[randIndex], ruid)
+		}(httpEndpoint(hosts[randIndex]), ruid)
 	} else {
-		for _, endpoint := range endpoints[1:] {
+		for _, endpoint := range hosts[1:] {
 			ruid := uuid.New()[:8]
 			wg.Add(1)
 			go func(endpoint string, ruid string) {
 				for {
 					start := time.Now()
-					err := fetch(hash, endpoint, fhash, ruid)
+					err := fetch(hash, endpoint, fhash, ruid, tuid)
 					if err != nil {
 						continue
 					}
+					ended := time.Since(start)
 
-					metrics.GetOrRegisterResettingTimer("upload-and-sync.each.fetch-time", nil).UpdateSince(start)
+					metrics.GetOrRegisterResettingTimer("upload-and-sync.each.fetch-time", nil).Update(ended)
+					log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
 					wg.Done()
 					return
 				}
-			}(endpoint, ruid)
+			}(httpEndpoint(endpoint), ruid)
 		}
 	}
 	wg.Wait()
-	log.Info("all endpoints synced random file successfully")
+	log.Info("all hosts synced random file successfully")
 
 	return nil
 }
diff --git a/cmd/swarm/swarm-smoke/upload_speed.go b/cmd/swarm/swarm-smoke/upload_speed.go
index 1123f2449..20bf7b86c 100644
--- a/cmd/swarm/swarm-smoke/upload_speed.go
+++ b/cmd/swarm/swarm-smoke/upload_speed.go
@@ -17,35 +17,56 @@
 package main
 
 import (
-	"crypto/md5"
-	crand "crypto/rand"
+	"bytes"
 	"fmt"
-	"io"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
 
 	cli "gopkg.in/urfave/cli.v1"
 )
 
-func uploadSpeed(c *cli.Context) error {
-	endpoint := generateEndpoint(scheme, cluster, appName, from)
-	seed := int(time.Now().UnixNano() / 1e6)
-	log.Info("uploading to "+endpoint, "seed", seed)
+func uploadSpeedCmd(ctx *cli.Context, tuid string) error {
+	log.Info("uploading to "+hosts[0], "tuid", tuid, "seed", seed)
+	randomBytes := testutil.RandomBytes(seed, filesize*1000)
 
-	h := md5.New()
-	r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
+	errc := make(chan error)
 
+	go func() {
+		errc <- uploadSpeed(ctx, tuid, randomBytes)
+	}()
+
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
+
+		// trigger debug functionality on randomBytes
+
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+func uploadSpeed(c *cli.Context, tuid string, data []byte) error {
 	t1 := time.Now()
-	hash, err := upload(r, filesize*1000, endpoint)
+	hash, err := upload(data, hosts[0])
 	if err != nil {
 		log.Error(err.Error())
 		return err
 	}
 	metrics.GetOrRegisterCounter("upload-speed.upload-time", nil).Inc(int64(time.Since(t1)))
 
-	fhash := h.Sum(nil)
+	fhash, err := digest(bytes.NewReader(data))
+	if err != nil {
+		log.Error(err.Error())
+		return err
+	}
 
 	log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
 	return nil
diff --git a/cmd/swarm/swarm-smoke/util.go b/cmd/swarm/swarm-smoke/util.go
index 003973d41..87abb44b0 100644
--- a/cmd/swarm/swarm-smoke/util.go
+++ b/cmd/swarm/swarm-smoke/util.go
@@ -25,9 +25,11 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"math/rand"
 	"net/http"
 	"net/http/httptrace"
 	"os"
+	"strings"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
@@ -36,83 +38,49 @@ import (
 	"github.com/ethereum/go-ethereum/swarm/api/client"
 	"github.com/ethereum/go-ethereum/swarm/spancontext"
 	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/pborman/uuid"
 	cli "gopkg.in/urfave/cli.v1"
 )
 
 var (
 	commandName = ""
+	seed        = int(time.Now().UTC().UnixNano())
 )
 
-func wrapCliCommand(name string, killOnTimeout bool, command func(*cli.Context) error) func(*cli.Context) error {
+func init() {
+	rand.Seed(int64(seed))
+}
+
+func httpEndpoint(host string) string {
+	return fmt.Sprintf("http://%s:%d", host, httpPort)
+}
+
+func wsEndpoint(host string) string {
+	return fmt.Sprintf("ws://%s:%d", host, wsPort)
+}
+
+func wrapCliCommand(name string, command func(*cli.Context, string) error) func(*cli.Context) error {
 	return func(ctx *cli.Context) error {
 		log.PrintOrigins(true)
 		log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(false))))
 
+		// test uuid
+		tuid := uuid.New()[:8]
+
+		commandName = name
+
+		hosts = strings.Split(allhosts, ",")
+
 		defer func(now time.Time) {
 			totalTime := time.Since(now)
-			log.Info("total time", "time", totalTime, "kb", filesize)
+			log.Info("total time", "tuid", tuid, "time", totalTime, "kb", filesize)
 			metrics.GetOrRegisterResettingTimer(name+".total-time", nil).Update(totalTime)
 		}(time.Now())
 
-		log.Info("smoke test starting", "task", name, "timeout", timeout)
-		commandName = name
+		log.Info("smoke test starting", "tuid", tuid, "task", name, "timeout", timeout)
 		metrics.GetOrRegisterCounter(name, nil).Inc(1)
 
-		errc := make(chan error)
-		done := make(chan struct{})
-
-		if killOnTimeout {
-			go func() {
-				<-time.After(time.Duration(timeout) * time.Second)
-				close(done)
-			}()
-		}
-
-		go func() {
-			errc <- command(ctx)
-		}()
-
-		select {
-		case err := <-errc:
-			if err != nil {
-				metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", name), nil).Inc(1)
-			}
-			return err
-		case <-done:
-			metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", name), nil).Inc(1)
-			return fmt.Errorf("timeout after %v sec", timeout)
-		}
-	}
-}
-
-func generateEndpoints(scheme string, cluster string, app string, from int, to int) {
-	if cluster == "prod" {
-		for port := from; port < to; port++ {
-			endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port))
-		}
-	} else if cluster == "private-internal" {
-		for port := from; port < to; port++ {
-			endpoints = append(endpoints, fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, port))
-		}
-	} else {
-		for port := from; port < to; port++ {
-			endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster))
-		}
-	}
-
-	if includeLocalhost {
-		endpoints = append(endpoints, "http://localhost:8500")
-	}
-}
-
-//just use the first endpoint
-func generateEndpoint(scheme string, cluster string, app string, from int) string {
-	if cluster == "prod" {
-		return fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, from)
-	} else if cluster == "private-internal" {
-		return fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, from)
-	} else {
-		return fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, from, cluster)
+		return command(ctx, tuid)
 	}
 }
 
@@ -174,11 +142,11 @@ func fetchFeed(topic string, user string, endpoint string, original []byte, ruid
 }
 
 // fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
-func fetch(hash string, endpoint string, original []byte, ruid string) error {
+func fetch(hash string, endpoint string, original []byte, ruid string, tuid string) error {
 	ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
 	defer sp.Finish()
 
-	log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
+	log.Info("http get request", "tuid", tuid, "ruid", ruid, "endpoint", endpoint, "hash", hash)
 
 	var tn time.Time
 	reqUri := endpoint + "/bzz:/" + hash + "/"
@@ -202,7 +170,7 @@ func fetch(hash string, endpoint string, original []byte, ruid string) error {
 		log.Error(err.Error(), "ruid", ruid)
 		return err
 	}
-	log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
+	log.Info("http get response", "tuid", tuid, "ruid", ruid, "endpoint", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
 
 	if res.StatusCode != 200 {
 		err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
@@ -230,14 +198,14 @@ func fetch(hash string, endpoint string, original []byte, ruid string) error {
 }
 
 // upload an arbitrary byte as a plaintext file  to `endpoint` using the api client
-func upload(r io.Reader, size int, endpoint string) (string, error) {
+func upload(data []byte, endpoint string) (string, error) {
 	swarm := client.NewClient(endpoint)
 	f := &client.File{
-		ReadCloser: ioutil.NopCloser(r),
+		ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
 		ManifestEntry: api.ManifestEntry{
 			ContentType: "text/plain",
 			Mode:        0660,
-			Size:        int64(size),
+			Size:        int64(len(data)),
 		},
 	}