cmd/swarm/swarm-smoke: sliding window test (#18967)

(cherry picked from commit b91bf08876ca4da0c2a843a9ed3e88d64427cfb8)

1 files changed, 267 insertions, 0 deletions

diff --git a/cmd/swarm/swarm-smoke/util.go b/cmd/swarm/swarm-smoke/util.go
new file mode 100644
index 000000000..2a3083bf5
--- /dev/null
+++ b/cmd/swarm/swarm-smoke/util.go
@@ -0,0 +1,267 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"bytes"
+	"context"
+	"crypto/md5"
+	crand "crypto/rand"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptrace"
+	"os"
+	"time"
+
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/api/client"
+	"github.com/ethereum/go-ethereum/swarm/spancontext"
+	opentracing "github.com/opentracing/opentracing-go"
+	cli "gopkg.in/urfave/cli.v1"
+)
+
+var (
+	commandName = ""
+)
+
+func wrapCliCommand(name string, killOnTimeout bool, command func(*cli.Context) 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(true))))
+		defer func(now time.Time) {
+			totalTime := time.Since(now)
+
+			log.Info("total time", "time", totalTime)
+			metrics.GetOrRegisterCounter(name+".total-time", nil).Inc(int64(totalTime))
+		}(time.Now())
+
+		log.Info("smoke test starting", "task", name, "timeout", timeout)
+		commandName = name
+		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)
+	}
+}
+
+func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
+	ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
+	defer sp.Finish()
+
+	log.Trace("sleeping", "ruid", ruid)
+	time.Sleep(3 * time.Second)
+
+	log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
+
+	var tn time.Time
+	reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
+	req, _ := http.NewRequest("GET", reqUri, nil)
+
+	opentracing.GlobalTracer().Inject(
+		sp.Context(),
+		opentracing.HTTPHeaders,
+		opentracing.HTTPHeadersCarrier(req.Header))
+
+	trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
+
+	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
+	transport := http.DefaultTransport
+
+	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+
+	tn = time.Now()
+	res, err := transport.RoundTrip(req)
+	if err != nil {
+		log.Error(err.Error(), "ruid", ruid)
+		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
+}
+
+// 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 {
+	ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
+	defer sp.Finish()
+
+	log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
+
+	var tn time.Time
+	reqUri := endpoint + "/bzz:/" + hash + "/"
+	req, _ := http.NewRequest("GET", reqUri, nil)
+
+	opentracing.GlobalTracer().Inject(
+		sp.Context(),
+		opentracing.HTTPHeaders,
+		opentracing.HTTPHeadersCarrier(req.Header))
+
+	trace := client.GetClientTrace(commandName+" - http get", commandName, ruid, &tn)
+
+	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
+	transport := http.DefaultTransport
+
+	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+
+	tn = time.Now()
+	res, err := transport.RoundTrip(req)
+	if err != nil {
+		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)
+
+	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
+}
+
+// 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) {
+	swarm := client.NewClient(endpoint)
+	f := &client.File{
+		ReadCloser: ioutil.NopCloser(r),
+		ManifestEntry: api.ManifestEntry{
+			ContentType: "text/plain",
+			Mode:        0660,
+			Size:        int64(size),
+		},
+	}
+
+	// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
+	return swarm.Upload(f, "", false)
+}
+
+func digest(r io.Reader) ([]byte, error) {
+	h := md5.New()
+	_, err := io.Copy(h, r)
+	if err != nil {
+		return nil, err
+	}
+	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
+}