Esempio n. 1
0
// TestAppEvents checks that streaming events for an app only receives events
// for that particular app.
func (s *ControllerSuite) TestAppEvents(t *c.C) {
	client := s.controllerClient(t)
	app1, release1 := s.createApp(t)
	app2, release2 := s.createApp(t)

	// stream events for app1
	events := make(chan *ct.Job)
	stream, err := client.StreamJobEvents(app1.ID, events)
	t.Assert(err, c.IsNil)
	defer stream.Close()

	runJob := func(appID, releaseID string) {
		rwc, err := client.RunJobAttached(appID, &ct.NewJob{
			ReleaseID:  releaseID,
			Cmd:        []string{"/bin/true"},
			DisableLog: true,
		})
		t.Assert(err, c.IsNil)
		rwc.Close()
	}

	// generate events for app2 and wait for them
	watcher, err := client.WatchJobEvents(app2.ID, release2.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	runJob(app2.ID, release2.ID)
	t.Assert(watcher.WaitFor(
		ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}},
		10*time.Second,
		func(e *ct.Job) error {
			debugf(t, "got %s job event for app2", e.State)
			return nil
		},
	), c.IsNil)

	// generate events for app1
	runJob(app1.ID, release1.ID)

	// check the stream only gets events for app1
	for {
		select {
		case e, ok := <-events:
			if !ok {
				t.Fatal("unexpected close of job event stream")
			}
			t.Assert(e.AppID, c.Equals, app1.ID)
			debugf(t, "got %s job event for app1", e.State)
			if e.State == ct.JobStateDown {
				return
			}
		case <-time.After(10 * time.Second):
			t.Fatal("timed out waiting for job events for app1")
		}
	}
}
Esempio n. 2
0
func (s *ControllerSuite) TestResourceLimitsReleaseJob(t *c.C) {
	client := s.controllerClient(t)
	app, release := s.createApp(t)

	watcher, err := client.WatchJobEvents(app.ID, release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()

	t.Assert(client.PutFormation(&ct.Formation{
		AppID:     app.ID,
		ReleaseID: release.ID,
		Processes: map[string]int{"resources": 1},
	}), c.IsNil)
	var jobID string
	err = watcher.WaitFor(ct.JobEvents{"resources": {ct.JobStateUp: 1, ct.JobStateDown: 1}}, scaleTimeout, func(e *ct.Job) error {
		jobID = e.ID
		return nil
	})
	t.Assert(err, c.IsNil)
	log := flynn(t, "/", "-a", app.Name, "log", "--job", jobID, "--raw-output")

	assertResourceLimits(t, log.Output)
}
Esempio n. 3
0
func (s *CLISuite) TestSlugReleaseGarbageCollection(t *c.C) {
	client := s.controllerClient(t)

	// create app with gc.max_inactive_slug_releases=3
	maxInactiveSlugReleases := 3
	app := &ct.App{Meta: map[string]string{"gc.max_inactive_slug_releases": strconv.Itoa(maxInactiveSlugReleases)}}
	t.Assert(client.CreateApp(app), c.IsNil)

	// create an image artifact
	imageArtifact := s.createArtifact(t, "test-apps")

	// create 5 slug artifacts
	tmp, err := ioutil.TempFile("", "squashfs-")
	t.Assert(err, c.IsNil)
	defer os.Remove(tmp.Name())
	defer tmp.Close()
	t.Assert(exec.Command("mksquashfs", t.MkDir(), tmp.Name(), "-noappend").Run(), c.IsNil)
	slug, err := ioutil.ReadAll(tmp)
	t.Assert(err, c.IsNil)
	slugHash := sha512.Sum512(slug)
	slugs := []string{
		"http://blobstore.discoverd/layer/1.squashfs",
		"http://blobstore.discoverd/layer/2.squashfs",
		"http://blobstore.discoverd/layer/3.squashfs",
		"http://blobstore.discoverd/layer/4.squashfs",
		"http://blobstore.discoverd/layer/5.squashfs",
	}
	slugArtifacts := make([]*ct.Artifact, len(slugs))
	put := func(url string, data []byte) {
		req, err := http.NewRequest("PUT", url, bytes.NewReader(data))
		t.Assert(err, c.IsNil)
		res, err := http.DefaultClient.Do(req)
		t.Assert(err, c.IsNil)
		res.Body.Close()
		t.Assert(res.StatusCode, c.Equals, http.StatusOK)
	}
	for i, layerURL := range slugs {
		manifest := &ct.ImageManifest{
			Type: ct.ImageManifestTypeV1,
			Rootfs: []*ct.ImageRootfs{{
				Layers: []*ct.ImageLayer{{
					ID:     strconv.Itoa(i + 1),
					Type:   ct.ImageLayerTypeSquashfs,
					Length: int64(len(slug)),
					Hashes: map[string]string{"sha512": hex.EncodeToString(slugHash[:])},
				}},
			}},
		}
		data := manifest.RawManifest()
		url := fmt.Sprintf("http://blobstore.discoverd/image/%s.json", manifest.ID())
		put(url, data)
		put(layerURL, slug)
		artifact := &ct.Artifact{
			Type:             ct.ArtifactTypeFlynn,
			URI:              url,
			Meta:             map[string]string{"blobstore": "true"},
			RawManifest:      data,
			Hashes:           manifest.Hashes(),
			Size:             int64(len(data)),
			LayerURLTemplate: "http://blobstore.discoverd/layer/{id}.squashfs",
		}
		t.Assert(client.CreateArtifact(artifact), c.IsNil)
		slugArtifacts[i] = artifact
	}

	// create 6 releases, the second being scaled up and having the
	// same slug as the third (so prevents the slug being deleted)
	releases := make([]*ct.Release, 6)
	for i, r := range []struct {
		slug   *ct.Artifact
		active bool
	}{
		{slugArtifacts[0], false},
		{slugArtifacts[1], true},
		{slugArtifacts[1], false},
		{slugArtifacts[2], false},
		{slugArtifacts[3], false},
		{slugArtifacts[4], false},
	} {
		release := &ct.Release{
			ArtifactIDs: []string{imageArtifact.ID, r.slug.ID},
			Processes: map[string]ct.ProcessType{
				"app": {Args: []string{"/bin/pingserv"}, Ports: []ct.Port{{Proto: "tcp"}}},
			},
			Meta: map[string]string{"git": "true"},
		}
		t.Assert(client.CreateRelease(release), c.IsNil)
		procs := map[string]int{"app": 0}
		if r.active {
			procs["app"] = 1
		}
		t.Assert(client.PutFormation(&ct.Formation{
			AppID:     app.ID,
			ReleaseID: release.ID,
			Processes: procs,
		}), c.IsNil)
		releases[i] = release
	}

	// scale the last release so we can deploy it
	lastRelease := releases[len(releases)-1]
	watcher, err := client.WatchJobEvents(app.ID, lastRelease.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	t.Assert(client.PutFormation(&ct.Formation{
		AppID:     app.ID,
		ReleaseID: lastRelease.ID,
		Processes: map[string]int{"app": 1},
	}), c.IsNil)
	t.Assert(watcher.WaitFor(ct.JobEvents{"app": ct.JobUpEvents(1)}, scaleTimeout, nil), c.IsNil)
	t.Assert(client.SetAppRelease(app.ID, lastRelease.ID), c.IsNil)

	// subscribe to garbage collection events
	gcEvents := make(chan *ct.Event)
	stream, err := client.StreamEvents(ct.StreamEventsOptions{
		AppID:       app.ID,
		ObjectTypes: []ct.EventType{ct.EventTypeAppGarbageCollection},
	}, gcEvents)
	t.Assert(err, c.IsNil)
	defer stream.Close()

	// deploy a new release with the same slug as the last release
	timeoutCh := make(chan struct{})
	time.AfterFunc(5*time.Minute, func() { close(timeoutCh) })
	newRelease := *lastRelease
	newRelease.ID = ""
	t.Assert(client.CreateRelease(&newRelease), c.IsNil)
	t.Assert(client.DeployAppRelease(app.ID, newRelease.ID, timeoutCh), c.IsNil)

	// wait for garbage collection
	select {
	case event, ok := <-gcEvents:
		if !ok {
			t.Fatalf("event stream closed unexpectedly: %s", stream.Err())
		}
		var e ct.AppGarbageCollectionEvent
		t.Assert(json.Unmarshal(event.Data, &e), c.IsNil)
		if e.Error != "" {
			t.Fatalf("garbage collection failed: %s", e.Error)
		}
	case <-time.After(60 * time.Second):
		t.Fatal("timed out waiting for garbage collection")
	}

	// check we have 4 distinct slug releases (so 5 in total, only 3 are
	// inactive)
	list, err := client.AppReleaseList(app.ID)
	t.Assert(err, c.IsNil)
	t.Assert(list, c.HasLen, maxInactiveSlugReleases+2)
	distinctSlugs := make(map[string]struct{}, len(list))
	for _, release := range list {
		t.Assert(release.ArtifactIDs, c.HasLen, 2)
		distinctSlugs[release.ArtifactIDs[1]] = struct{}{}
	}
	t.Assert(distinctSlugs, c.HasLen, maxInactiveSlugReleases+1)

	// check the first and third releases got deleted, but the rest remain
	assertDeleted := func(release *ct.Release, deleted bool) {
		_, err := client.GetRelease(release.ID)
		if deleted {
			t.Assert(err, c.Equals, controller.ErrNotFound)
		} else {
			t.Assert(err, c.IsNil)
		}
	}
	assertDeleted(releases[0], true)
	assertDeleted(releases[1], false)
	assertDeleted(releases[2], true)
	assertDeleted(releases[3], false)
	assertDeleted(releases[4], false)
	assertDeleted(releases[5], false)
	assertDeleted(&newRelease, false)

	// check the first slug got deleted, but the rest remain
	s.assertURI(t, slugs[0], http.StatusNotFound)
	for i := 1; i < len(slugs); i++ {
		s.assertURI(t, slugs[i], http.StatusOK)
	}
}
Esempio n. 4
0
func (s *CLISuite) TestRelease(t *c.C) {
	app := s.newCliTestApp(t)
	defer app.cleanup()

	release := &ct.Release{
		ArtifactIDs: []string{s.createArtifact(t, "test-apps").ID},
		Env:         map[string]string{"GLOBAL": "FOO"},
		Processes: map[string]ct.ProcessType{
			"echoer": {
				Args: []string{"/bin/echoer"},
				Env:  map[string]string{"ECHOER_ONLY": "BAR"},
			},
			"env": {
				Args: []string{"sh", "-c", "env; while true; do sleep 60; done"},
				Env:  map[string]string{"ENV_ONLY": "BAZ"},
			},
		},
	}
	client := s.controllerClient(t)
	t.Assert(client.CreateRelease(release), c.IsNil)
	t.Assert(client.SetAppRelease(app.id, release.ID), c.IsNil)

	updateFile := filepath.Join(t.MkDir(), "updates.json")
	updateJSON := []byte(`{
		"processes": {
			"echoer": {
				"env": {"ECHOER_ONLY": "BAT"}
			},
			"env": {
				"env": {"ENV_UPDATE": "QUUX"}
			}
		}
	}`)
	t.Assert(ioutil.WriteFile(updateFile, updateJSON, 0644), c.IsNil)
	t.Assert(app.flynn("release", "update", updateFile), Succeeds)

	resultJSON := []byte(`{
		"env": {"GLOBAL": "FOO"},
		"processes": {
			"echoer": {
				"args": ["/bin/echoer"],
				"env": {
					"ECHOER_ONLY": "BAT"
				}
			},
			"env": {
				"args": ["sh", "-c", "env; while true; do sleep 60; done"],
				"env": {
					"ENV_ONLY": "BAZ",
					"ENV_UPDATE": "QUUX"
				}
			}
		}
	}`)
	result := &ct.Release{}
	t.Assert(json.Unmarshal(resultJSON, &result), c.IsNil)
	for typ, proc := range result.Processes {
		resource.SetDefaults(&proc.Resources)
		result.Processes[typ] = proc
	}

	release, err := s.controller.GetAppRelease(app.name)
	t.Assert(err, c.IsNil)
	t.Assert(release.Env, c.DeepEquals, result.Env)
	t.Assert(release.Processes, c.DeepEquals, result.Processes)

	scaleCmd := app.flynn("scale", "--no-wait", "env=1", "foo=1")
	t.Assert(scaleCmd, c.Not(Succeeds))
	t.Assert(scaleCmd, OutputContains, "ERROR: unknown process types: \"foo\"")

	// create a job watcher for the new release
	watcher, err := client.WatchJobEvents(app.name, release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()

	scaleCmd = app.flynn("scale", "--no-wait", "env=1")
	t.Assert(watcher.WaitFor(ct.JobEvents{"env": {ct.JobStateUp: 1}}, scaleTimeout, nil), c.IsNil)
	envLog := app.flynn("log")
	t.Assert(envLog, Succeeds)
	t.Assert(envLog, SuccessfulOutputContains, "GLOBAL=FOO")
	t.Assert(envLog, SuccessfulOutputContains, "ENV_ONLY=BAZ")
	t.Assert(envLog, SuccessfulOutputContains, "ENV_UPDATE=QUUX")
	t.Assert(envLog, c.Not(SuccessfulOutputContains), "ECHOER_ONLY=BAR")
	t.Assert(envLog, c.Not(SuccessfulOutputContains), "ECHOER_UPDATE=BAT")
}
Esempio n. 5
0
func (s *ReleaseSuite) TestReleaseImages(t *c.C) {
	if testCluster == nil {
		t.Skip("cannot boot release cluster")
	}

	// stream script output to t.Log
	logReader, logWriter := io.Pipe()
	defer logWriter.Close()
	go func() {
		buf := bufio.NewReader(logReader)
		for {
			line, err := buf.ReadString('\n')
			if err != nil {
				return
			}
			debug(t, line[0:len(line)-1])
		}
	}()

	// boot the release cluster, release components to a blobstore and output the new images.json
	releaseCluster := s.addReleaseHosts(t)
	buildHost := releaseCluster.Instances[0]
	var imagesJSON bytes.Buffer
	var script bytes.Buffer
	slugImageID := random.UUID()
	releaseScript.Execute(&script, struct{ ControllerKey, SlugImageID string }{releaseCluster.ControllerKey, slugImageID})
	t.Assert(buildHost.Run("bash -ex", &tc.Streams{Stdin: &script, Stdout: &imagesJSON, Stderr: logWriter}), c.IsNil)
	var images map[string]*ct.Artifact
	t.Assert(json.Unmarshal(imagesJSON.Bytes(), &images), c.IsNil)

	// install Flynn from the blobstore on the vanilla host
	blobstoreAddr := buildHost.IP + ":8080"
	installHost := releaseCluster.Instances[3]
	script.Reset()
	installScript.Execute(&script, map[string]string{"Blobstore": blobstoreAddr})
	var installOutput bytes.Buffer
	out := io.MultiWriter(logWriter, &installOutput)
	t.Assert(installHost.Run("sudo bash -ex", &tc.Streams{Stdin: &script, Stdout: out, Stderr: out}), c.IsNil)

	// check the flynn-host version is correct
	var hostVersion bytes.Buffer
	t.Assert(installHost.Run("flynn-host version", &tc.Streams{Stdout: &hostVersion}), c.IsNil)
	t.Assert(strings.TrimSpace(hostVersion.String()), c.Equals, "v20161108.0-test")

	// check rebuilt images were downloaded
	assertInstallOutput := func(format string, v ...interface{}) {
		expected := fmt.Sprintf(format, v...)
		if !strings.Contains(installOutput.String(), expected) {
			t.Fatalf(`expected install to output %q`, expected)
		}
	}
	for name, image := range images {
		assertInstallOutput("pulling %s image", name)
		for _, layer := range image.Manifest().Rootfs[0].Layers {
			assertInstallOutput("pulling %s layer %s", name, layer.ID)
		}
	}

	// installing on an instance with Flynn running should fail
	script.Reset()
	installScript.Execute(&script, map[string]string{"Blobstore": blobstoreAddr})
	installOutput.Reset()
	err := buildHost.Run("sudo bash -ex", &tc.Streams{Stdin: &script, Stdout: out, Stderr: out})
	if err == nil || !strings.Contains(installOutput.String(), "ERROR: Flynn is already installed.") {
		t.Fatal("expected Flynn install to fail but it didn't")
	}

	// create a controller client for the release cluster
	pin, err := base64.StdEncoding.DecodeString(releaseCluster.ControllerPin)
	t.Assert(err, c.IsNil)
	client, err := controller.NewClientWithConfig(
		"https://"+buildHost.IP,
		releaseCluster.ControllerKey,
		controller.Config{Pin: pin, Domain: releaseCluster.ControllerDomain},
	)
	t.Assert(err, c.IsNil)

	// deploy a slug based app + Redis resource
	slugApp := &ct.App{}
	t.Assert(client.CreateApp(slugApp), c.IsNil)
	gitreceive, err := client.GetAppRelease("gitreceive")
	t.Assert(err, c.IsNil)
	imageArtifact, err := client.GetArtifact(gitreceive.Env["SLUGRUNNER_IMAGE_ID"])
	t.Assert(err, c.IsNil)
	slugArtifact, err := client.GetArtifact(slugImageID)
	t.Assert(err, c.IsNil)
	resource, err := client.ProvisionResource(&ct.ResourceReq{ProviderID: "redis", Apps: []string{slugApp.ID}})
	t.Assert(err, c.IsNil)
	release := &ct.Release{
		ArtifactIDs: []string{imageArtifact.ID, slugArtifact.ID},
		Processes:   map[string]ct.ProcessType{"web": {Args: []string{"/runner/init", "bin/http"}}},
		Meta:        map[string]string{"git": "true"},
		Env:         resource.Env,
	}
	t.Assert(client.CreateRelease(release), c.IsNil)
	t.Assert(client.SetAppRelease(slugApp.ID, release.ID), c.IsNil)
	watcher, err := client.WatchJobEvents(slugApp.ID, release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	t.Assert(client.PutFormation(&ct.Formation{
		AppID:     slugApp.ID,
		ReleaseID: release.ID,
		Processes: map[string]int{"web": 1},
	}), c.IsNil)
	err = watcher.WaitFor(ct.JobEvents{"web": {ct.JobStateUp: 1}}, scaleTimeout, nil)
	t.Assert(err, c.IsNil)

	// run a cluster update from the blobstore
	updateHost := releaseCluster.Instances[1]
	script.Reset()
	updateScript.Execute(&script, map[string]string{"Blobstore": blobstoreAddr, "Discoverd": updateHost.IP + ":1111"})
	var updateOutput bytes.Buffer
	out = io.MultiWriter(logWriter, &updateOutput)
	t.Assert(updateHost.Run("bash -ex", &tc.Streams{Stdin: &script, Stdout: out, Stderr: out}), c.IsNil)

	// check rebuilt images were downloaded
	for name := range images {
		for _, host := range releaseCluster.Instances[0:2] {
			expected := fmt.Sprintf(`"pulling %s image" host=%s`, name, host.ID)
			if !strings.Contains(updateOutput.String(), expected) {
				t.Fatalf(`expected update to download %s on host %s`, name, host.ID)
			}
		}
	}

	assertImage := func(uri, image string) {
		t.Assert(uri, c.Equals, images[image].URI)
	}

	// check system apps were deployed correctly
	for _, app := range updater.SystemApps {
		if app.ImageOnly {
			continue // we don't deploy ImageOnly updates
		}
		debugf(t, "checking new %s release is using image %s", app.Name, images[app.Name].URI)
		expected := fmt.Sprintf(`"finished deploy of system app" name=%s`, app.Name)
		if !strings.Contains(updateOutput.String(), expected) {
			t.Fatalf(`expected update to deploy %s`, app.Name)
		}
		release, err := client.GetAppRelease(app.Name)
		t.Assert(err, c.IsNil)
		debugf(t, "new %s release ID: %s", app.Name, release.ID)
		artifact, err := client.GetArtifact(release.ArtifactIDs[0])
		t.Assert(err, c.IsNil)
		debugf(t, "new %s artifact: %+v", app.Name, artifact)
		assertImage(artifact.URI, app.Name)
	}

	// check gitreceive has the correct slug env vars
	gitreceive, err = client.GetAppRelease("gitreceive")
	t.Assert(err, c.IsNil)
	for _, name := range []string{"slugbuilder", "slugrunner"} {
		artifact, err := client.GetArtifact(gitreceive.Env[strings.ToUpper(name)+"_IMAGE_ID"])
		t.Assert(err, c.IsNil)
		assertImage(artifact.URI, name)
	}

	// check slug based app was deployed correctly
	release, err = client.GetAppRelease(slugApp.Name)
	t.Assert(err, c.IsNil)
	imageArtifact, err = client.GetArtifact(release.ArtifactIDs[0])
	t.Assert(err, c.IsNil)
	assertImage(imageArtifact.URI, "slugrunner")

	// check Redis app was deployed correctly
	release, err = client.GetAppRelease(resource.Env["FLYNN_REDIS"])
	t.Assert(err, c.IsNil)
	imageArtifact, err = client.GetArtifact(release.ArtifactIDs[0])
	t.Assert(err, c.IsNil)
	assertImage(imageArtifact.URI, "redis")
}
Esempio n. 6
0
func main() {
	client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
	if err != nil {
		log.Fatalln("Unable to connect to controller:", err)
	}

	appName := os.Args[1]

	app, err := client.GetApp(appName)
	if err == controller.ErrNotFound {
		log.Fatalf("Unknown app %q", appName)
	} else if err != nil {
		log.Fatalln("Error retrieving app:", err)
	}
	prevRelease, err := client.GetAppRelease(app.Name)
	if err == controller.ErrNotFound {
		prevRelease = &ct.Release{}
	} else if err != nil {
		log.Fatalln("Error getting current app release:", err)
	}

	fmt.Printf("-----> Building %s...\n", app.Name)

	var output bytes.Buffer
	slugURL := fmt.Sprintf("%s/%s.tgz", blobstoreURL, random.UUID())
	cmd := exec.Command(exec.DockerImage(os.Getenv("SLUGBUILDER_IMAGE_URI")), slugURL)
	cmd.Stdout = io.MultiWriter(os.Stdout, &output)
	cmd.Stderr = os.Stderr
	cmd.Meta = map[string]string{
		"flynn-controller.app":      app.ID,
		"flynn-controller.app_name": app.Name,
		"flynn-controller.release":  prevRelease.ID,
		"flynn-controller.type":     "slugbuilder",
	}
	if len(prevRelease.Env) > 0 {
		stdin, err := cmd.StdinPipe()
		if err != nil {
			log.Fatalln(err)
		}
		go appendEnvDir(os.Stdin, stdin, prevRelease.Env)
	} else {
		cmd.Stdin = os.Stdin
	}
	cmd.Env = make(map[string]string)
	cmd.Env["BUILD_CACHE_URL"] = fmt.Sprintf("%s/%s-cache.tgz", blobstoreURL, app.ID)
	if buildpackURL, ok := prevRelease.Env["BUILDPACK_URL"]; ok {
		cmd.Env["BUILDPACK_URL"] = buildpackURL
	}
	for _, k := range []string{"SSH_CLIENT_KEY", "SSH_CLIENT_HOSTS"} {
		if v := os.Getenv(k); v != "" {
			cmd.Env[k] = v
		}
	}

	if err := cmd.Run(); err != nil {
		log.Fatalln("Build failed:", err)
	}

	var types []string
	if match := typesPattern.FindSubmatch(output.Bytes()); match != nil {
		types = strings.Split(string(match[1]), ", ")
	}

	fmt.Printf("-----> Creating release...\n")

	artifact := &ct.Artifact{Type: "docker", URI: os.Getenv("SLUGRUNNER_IMAGE_URI")}
	if err := client.CreateArtifact(artifact); err != nil {
		log.Fatalln("Error creating artifact:", err)
	}

	release := &ct.Release{
		ArtifactID: artifact.ID,
		Env:        prevRelease.Env,
	}
	procs := make(map[string]ct.ProcessType)
	for _, t := range types {
		proc := prevRelease.Processes[t]
		proc.Cmd = []string{"start", t}
		if t == "web" {
			proc.Ports = []ct.Port{{
				Port:  8080,
				Proto: "tcp",
				Service: &host.Service{
					Name:   app.Name + "-web",
					Create: true,
					Check:  &host.HealthCheck{Type: "tcp"},
				},
			}}
		}
		procs[t] = proc
	}
	release.Processes = procs
	if release.Env == nil {
		release.Env = make(map[string]string)
	}
	release.Env["SLUG_URL"] = slugURL

	if err := client.CreateRelease(release); err != nil {
		log.Fatalln("Error creating release:", err)
	}
	if err := client.DeployAppRelease(app.Name, release.ID); err != nil {
		log.Fatalln("Error deploying app release:", err)
	}

	fmt.Println("=====> Application deployed")

	if needsDefaultScale(app.ID, prevRelease.ID, procs, client) {
		formation := &ct.Formation{
			AppID:     app.ID,
			ReleaseID: release.ID,
			Processes: map[string]int{"web": 1},
		}

		watcher, err := client.WatchJobEvents(app.ID, release.ID)
		if err != nil {
			log.Fatalln("Error streaming job events", err)
			return
		}
		defer watcher.Close()

		if err := client.PutFormation(formation); err != nil {
			log.Fatalln("Error putting formation:", err)
		}
		fmt.Println("=====> Waiting for web job to start...")

		err = watcher.WaitFor(ct.JobEvents{"web": {"up": 1}}, scaleTimeout, func(e *ct.Job) error {
			switch e.State {
			case "up":
				fmt.Println("=====> Default web formation scaled to 1")
			case "down", "crashed":
				return fmt.Errorf("Failed to scale web process type")
			}
			return nil
		})
		if err != nil {
			log.Fatalln(err.Error())
		}
	}
}
Esempio n. 7
0
func (s *CLISuite) TestSlugReleaseGarbageCollection(t *c.C) {
	client := s.controllerClient(t)

	// create app with gc.max_inactive_slug_releases=3
	maxInactiveSlugReleases := 3
	app := &ct.App{Meta: map[string]string{"gc.max_inactive_slug_releases": strconv.Itoa(maxInactiveSlugReleases)}}
	t.Assert(client.CreateApp(app), c.IsNil)

	// create an image artifact
	imageArtifact := &ct.Artifact{Type: host.ArtifactTypeDocker, URI: imageURIs["test-apps"]}
	t.Assert(client.CreateArtifact(imageArtifact), c.IsNil)

	// create 5 slug artifacts
	var slug bytes.Buffer
	gz := gzip.NewWriter(&slug)
	t.Assert(tar.NewWriter(gz).Close(), c.IsNil)
	t.Assert(gz.Close(), c.IsNil)
	slugs := []string{
		"http://blobstore.discoverd/1/slug.tgz",
		"http://blobstore.discoverd/2/slug.tgz",
		"http://blobstore.discoverd/3/slug.tgz",
		"http://blobstore.discoverd/4/slug.tgz",
		"http://blobstore.discoverd/5/slug.tgz",
	}
	slugArtifacts := make([]*ct.Artifact, len(slugs))
	for i, uri := range slugs {
		req, err := http.NewRequest("PUT", uri, bytes.NewReader(slug.Bytes()))
		t.Assert(err, c.IsNil)
		res, err := http.DefaultClient.Do(req)
		t.Assert(err, c.IsNil)
		res.Body.Close()
		t.Assert(res.StatusCode, c.Equals, http.StatusOK)
		artifact := &ct.Artifact{
			Type: host.ArtifactTypeFile,
			URI:  uri,
			Meta: map[string]string{"blobstore": "true"},
		}
		t.Assert(client.CreateArtifact(artifact), c.IsNil)
		slugArtifacts[i] = artifact
	}

	// create 6 releases, the second being scaled up and having the
	// same slug as the third (so prevents the slug being deleted)
	releases := make([]*ct.Release, 6)
	for i, r := range []struct {
		slug   *ct.Artifact
		active bool
	}{
		{slugArtifacts[0], false},
		{slugArtifacts[1], true},
		{slugArtifacts[1], false},
		{slugArtifacts[2], false},
		{slugArtifacts[3], false},
		{slugArtifacts[4], false},
	} {
		release := &ct.Release{
			ArtifactIDs: []string{imageArtifact.ID, r.slug.ID},
			Processes: map[string]ct.ProcessType{
				"app": {Args: []string{"/bin/pingserv"}, Ports: []ct.Port{{Proto: "tcp"}}},
			},
		}
		t.Assert(client.CreateRelease(release), c.IsNil)
		procs := map[string]int{"app": 0}
		if r.active {
			procs["app"] = 1
		}
		t.Assert(client.PutFormation(&ct.Formation{
			AppID:     app.ID,
			ReleaseID: release.ID,
			Processes: procs,
		}), c.IsNil)
		releases[i] = release
	}

	// scale the last release so we can deploy it
	lastRelease := releases[len(releases)-1]
	watcher, err := client.WatchJobEvents(app.ID, lastRelease.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	t.Assert(client.PutFormation(&ct.Formation{
		AppID:     app.ID,
		ReleaseID: lastRelease.ID,
		Processes: map[string]int{"app": 1},
	}), c.IsNil)
	t.Assert(watcher.WaitFor(ct.JobEvents{"app": ct.JobUpEvents(1)}, scaleTimeout, nil), c.IsNil)
	t.Assert(client.SetAppRelease(app.ID, lastRelease.ID), c.IsNil)

	// subscribe to garbage collection events
	gcEvents := make(chan *ct.Event)
	stream, err := client.StreamEvents(ct.StreamEventsOptions{
		AppID:       app.ID,
		ObjectTypes: []ct.EventType{ct.EventTypeAppGarbageCollection},
	}, gcEvents)
	t.Assert(err, c.IsNil)
	defer stream.Close()

	// deploy a new release with the same slug as the last release
	timeoutCh := make(chan struct{})
	time.AfterFunc(5*time.Minute, func() { close(timeoutCh) })
	newRelease := *lastRelease
	newRelease.ID = ""
	t.Assert(client.CreateRelease(&newRelease), c.IsNil)
	t.Assert(client.DeployAppRelease(app.ID, newRelease.ID, timeoutCh), c.IsNil)

	// wait for garbage collection
	select {
	case event, ok := <-gcEvents:
		if !ok {
			t.Fatalf("event stream closed unexpectedly: %s", stream.Err())
		}
		var e ct.AppGarbageCollectionEvent
		t.Assert(json.Unmarshal(event.Data, &e), c.IsNil)
		if e.Error != "" {
			t.Fatalf("garbage collection failed: %s", e.Error)
		}
	case <-time.After(60 * time.Second):
		t.Fatal("timed out waiting for garbage collection")
	}

	// check we have 4 distinct slug releases (so 5 in total, only 3 are
	// inactive)
	list, err := client.AppReleaseList(app.ID)
	t.Assert(err, c.IsNil)
	t.Assert(list, c.HasLen, maxInactiveSlugReleases+2)
	distinctSlugs := make(map[string]struct{}, len(list))
	for _, release := range list {
		files := release.FileArtifactIDs()
		t.Assert(files, c.HasLen, 1)
		distinctSlugs[files[0]] = struct{}{}
	}
	t.Assert(distinctSlugs, c.HasLen, maxInactiveSlugReleases+1)

	// check the first and third releases got deleted, but the rest remain
	assertDeleted := func(release *ct.Release, deleted bool) {
		_, err := client.GetRelease(release.ID)
		if deleted {
			t.Assert(err, c.Equals, controller.ErrNotFound)
		} else {
			t.Assert(err, c.IsNil)
		}
	}
	assertDeleted(releases[0], true)
	assertDeleted(releases[1], false)
	assertDeleted(releases[2], true)
	assertDeleted(releases[3], false)
	assertDeleted(releases[4], false)
	assertDeleted(releases[5], false)
	assertDeleted(&newRelease, false)

	// check the first slug got deleted, but the rest remain
	s.assertURI(t, slugs[0], http.StatusNotFound)
	for i := 1; i < len(slugs); i++ {
		s.assertURI(t, slugs[i], http.StatusOK)
	}
}
Esempio n. 8
0
func (s *ReleaseSuite) TestReleaseImages(t *c.C) {
	if testCluster == nil {
		t.Skip("cannot boot release cluster")
	}

	// stream script output to t.Log
	logReader, logWriter := io.Pipe()
	defer logWriter.Close()
	go func() {
		buf := bufio.NewReader(logReader)
		for {
			line, err := buf.ReadString('\n')
			if err != nil {
				return
			}
			debug(t, line[0:len(line)-1])
		}
	}()

	// boot the release cluster, release components to a blobstore and output the new version.json
	releaseCluster := s.addReleaseHosts(t)
	buildHost := releaseCluster.Instances[0]
	var versionJSON bytes.Buffer
	t.Assert(buildHost.Run("bash -ex", &tc.Streams{Stdin: releaseScript, Stdout: &versionJSON, Stderr: logWriter}), c.IsNil)
	var versions map[string]string
	t.Assert(json.Unmarshal(versionJSON.Bytes(), &versions), c.IsNil)

	// install Flynn from the blobstore on the vanilla host
	blobstore := struct{ Blobstore string }{buildHost.IP + ":8080"}
	installHost := releaseCluster.Instances[3]
	var script bytes.Buffer
	installScript.Execute(&script, blobstore)
	var installOutput bytes.Buffer
	out := io.MultiWriter(logWriter, &installOutput)
	t.Assert(installHost.Run("sudo bash -ex", &tc.Streams{Stdin: &script, Stdout: out, Stderr: out}), c.IsNil)

	// check the flynn-host version is correct
	var hostVersion bytes.Buffer
	t.Assert(installHost.Run("flynn-host version", &tc.Streams{Stdout: &hostVersion}), c.IsNil)
	t.Assert(strings.TrimSpace(hostVersion.String()), c.Equals, "v20150131.0-test")

	// check rebuilt images were downloaded
	for name, id := range versions {
		expected := fmt.Sprintf("%s image %s downloaded", name, id)
		if !strings.Contains(installOutput.String(), expected) {
			t.Fatalf(`expected install to download %s %s`, name, id)
		}
	}

	// installing on an instance with Flynn running should not fail
	script.Reset()
	installScript.Execute(&script, blobstore)
	t.Assert(buildHost.Run("sudo bash -ex", &tc.Streams{Stdin: &script, Stdout: logWriter, Stderr: logWriter}), c.IsNil)

	// create a controller client for the release cluster
	pin, err := base64.StdEncoding.DecodeString(releaseCluster.ControllerPin)
	t.Assert(err, c.IsNil)
	client, err := controller.NewClientWithConfig(
		"https://"+buildHost.IP,
		releaseCluster.ControllerKey,
		controller.Config{Pin: pin, Domain: releaseCluster.ControllerDomain},
	)
	t.Assert(err, c.IsNil)

	// deploy a slug based app
	slugApp := &ct.App{}
	t.Assert(client.CreateApp(slugApp), c.IsNil)
	gitreceive, err := client.GetAppRelease("gitreceive")
	t.Assert(err, c.IsNil)
	imageArtifact := &ct.Artifact{Type: host.ArtifactTypeDocker, URI: gitreceive.Env["SLUGRUNNER_IMAGE_URI"]}
	t.Assert(client.CreateArtifact(imageArtifact), c.IsNil)
	slugArtifact := &ct.Artifact{Type: host.ArtifactTypeFile, URI: fmt.Sprintf("http://%s:8080/slug.tgz", buildHost.IP)}
	t.Assert(client.CreateArtifact(slugArtifact), c.IsNil)
	release := &ct.Release{
		ArtifactIDs: []string{imageArtifact.ID, slugArtifact.ID},
		Processes:   map[string]ct.ProcessType{"web": {Cmd: []string{"bin/http"}}},
	}
	t.Assert(client.CreateRelease(release), c.IsNil)
	t.Assert(client.SetAppRelease(slugApp.ID, release.ID), c.IsNil)
	watcher, err := client.WatchJobEvents(slugApp.ID, release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	t.Assert(client.PutFormation(&ct.Formation{
		AppID:     slugApp.ID,
		ReleaseID: release.ID,
		Processes: map[string]int{"web": 1},
	}), c.IsNil)
	err = watcher.WaitFor(ct.JobEvents{"web": {ct.JobStateUp: 1}}, scaleTimeout, nil)
	t.Assert(err, c.IsNil)

	// run a cluster update from the blobstore
	updateHost := releaseCluster.Instances[1]
	script.Reset()
	updateScript.Execute(&script, blobstore)
	var updateOutput bytes.Buffer
	out = io.MultiWriter(logWriter, &updateOutput)
	t.Assert(updateHost.Run("bash -ex", &tc.Streams{Stdin: &script, Stdout: out, Stderr: out}), c.IsNil)

	// check rebuilt images were downloaded
	for name := range versions {
		for _, host := range releaseCluster.Instances[0:2] {
			expected := fmt.Sprintf(`"pulled image" host=%s name=%s`, host.ID, name)
			if !strings.Contains(updateOutput.String(), expected) {
				t.Fatalf(`expected update to download %s on host %s`, name, host.ID)
			}
		}
	}

	assertImage := func(uri, image string) {
		u, err := url.Parse(uri)
		t.Assert(err, c.IsNil)
		t.Assert(u.Query().Get("id"), c.Equals, versions[image])
	}

	// check system apps were deployed correctly
	for _, app := range updater.SystemApps {
		if app.ImageOnly {
			continue // we don't deploy ImageOnly updates
		}
		if app.Image == "" {
			app.Image = "flynn/" + app.Name
		}
		debugf(t, "checking new %s release is using image %s", app.Name, versions[app.Image])
		expected := fmt.Sprintf(`"finished deploy of system app" name=%s`, app.Name)
		if !strings.Contains(updateOutput.String(), expected) {
			t.Fatalf(`expected update to deploy %s`, app.Name)
		}
		release, err := client.GetAppRelease(app.Name)
		t.Assert(err, c.IsNil)
		debugf(t, "new %s release ID: %s", app.Name, release.ID)
		artifact, err := client.GetArtifact(release.ImageArtifactID())
		t.Assert(err, c.IsNil)
		debugf(t, "new %s artifact: %+v", app.Name, artifact)
		assertImage(artifact.URI, app.Image)
	}

	// check gitreceive has the correct slug env vars
	gitreceive, err = client.GetAppRelease("gitreceive")
	t.Assert(err, c.IsNil)
	assertImage(gitreceive.Env["SLUGBUILDER_IMAGE_URI"], "flynn/slugbuilder")
	assertImage(gitreceive.Env["SLUGRUNNER_IMAGE_URI"], "flynn/slugrunner")

	// check slug based app was deployed correctly
	release, err = client.GetAppRelease(slugApp.Name)
	t.Assert(err, c.IsNil)
	imageArtifact, err = client.GetArtifact(release.ImageArtifactID())
	t.Assert(err, c.IsNil)
	assertImage(imageArtifact.URI, "flynn/slugrunner")
}
Esempio n. 9
0
func main() {
	client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
	if err != nil {
		log.Fatalln("Unable to connect to controller:", err)
	}

	usage := `
Usage: flynn-receiver <app> <rev> [-e <var>=<val>]... [-m <key>=<val>]...

Options:
	-e,--env <var>=<val>
	-m,--meta <key>=<val>
`[1:]
	args, _ := docopt.Parse(usage, nil, true, version.String(), false)

	appName := args.String["<app>"]
	env, err := parsePairs(args, "--env")
	if err != nil {
		log.Fatal(err)
	}
	meta, err := parsePairs(args, "--meta")
	if err != nil {
		log.Fatal(err)
	}

	app, err := client.GetApp(appName)
	if err == controller.ErrNotFound {
		log.Fatalf("Unknown app %q", appName)
	} else if err != nil {
		log.Fatalln("Error retrieving app:", err)
	}
	prevRelease, err := client.GetAppRelease(app.Name)
	if err == controller.ErrNotFound {
		prevRelease = &ct.Release{}
	} else if err != nil {
		log.Fatalln("Error getting current app release:", err)
	}

	fmt.Printf("-----> Building %s...\n", app.Name)

	jobEnv := make(map[string]string)
	jobEnv["BUILD_CACHE_URL"] = fmt.Sprintf("%s/%s-cache.tgz", blobstoreURL, app.ID)
	if buildpackURL, ok := env["BUILDPACK_URL"]; ok {
		jobEnv["BUILDPACK_URL"] = buildpackURL
	} else if buildpackURL, ok := prevRelease.Env["BUILDPACK_URL"]; ok {
		jobEnv["BUILDPACK_URL"] = buildpackURL
	}
	for _, k := range []string{"SSH_CLIENT_KEY", "SSH_CLIENT_HOSTS"} {
		if v := os.Getenv(k); v != "" {
			jobEnv[k] = v
		}
	}
	slugURL := fmt.Sprintf("%s/%s.tgz", blobstoreURL, random.UUID())

	cmd := exec.Job(exec.DockerImage(os.Getenv("SLUGBUILDER_IMAGE_URI")), &host.Job{
		Config: host.ContainerConfig{
			Cmd:        []string{slugURL},
			Env:        jobEnv,
			Stdin:      true,
			DisableLog: true,
		},
		Partition: "background",
		Metadata: map[string]string{
			"flynn-controller.app":      app.ID,
			"flynn-controller.app_name": app.Name,
			"flynn-controller.release":  prevRelease.ID,
			"flynn-controller.type":     "slugbuilder",
		},
	})
	var output bytes.Buffer
	cmd.Stdout = io.MultiWriter(os.Stdout, &output)
	cmd.Stderr = os.Stderr

	if len(prevRelease.Env) > 0 {
		stdin, err := cmd.StdinPipe()
		if err != nil {
			log.Fatalln(err)
		}
		go appendEnvDir(os.Stdin, stdin, prevRelease.Env)
	} else {
		cmd.Stdin = os.Stdin
	}

	if err := cmd.Run(); err != nil {
		log.Fatalln("Build failed:", err)
	}

	var types []string
	if match := typesPattern.FindSubmatch(output.Bytes()); match != nil {
		types = strings.Split(string(match[1]), ", ")
	}

	fmt.Printf("-----> Creating release...\n")

	artifact := &ct.Artifact{Type: "docker", URI: os.Getenv("SLUGRUNNER_IMAGE_URI")}
	if err := client.CreateArtifact(artifact); err != nil {
		log.Fatalln("Error creating artifact:", err)
	}

	release := &ct.Release{
		ArtifactID: artifact.ID,
		Env:        prevRelease.Env,
		Meta:       prevRelease.Meta,
	}
	if release.Meta == nil {
		release.Meta = make(map[string]string, len(meta))
	}
	if release.Env == nil {
		release.Env = make(map[string]string, len(env))
	}
	for k, v := range env {
		release.Env[k] = v
	}
	for k, v := range meta {
		release.Meta[k] = v
	}
	procs := make(map[string]ct.ProcessType)
	for _, t := range types {
		proc := prevRelease.Processes[t]
		proc.Cmd = []string{"start", t}
		if t == "web" || strings.HasSuffix(t, "-web") {
			proc.Service = app.Name + "-" + t
			proc.Ports = []ct.Port{{
				Port:  8080,
				Proto: "tcp",
				Service: &host.Service{
					Name:   proc.Service,
					Create: true,
					Check:  &host.HealthCheck{Type: "tcp"},
				},
			}}
		}
		procs[t] = proc
	}
	release.Processes = procs
	if release.Env == nil {
		release.Env = make(map[string]string)
	}
	release.Env["SLUG_URL"] = slugURL

	if err := client.CreateRelease(release); err != nil {
		log.Fatalln("Error creating release:", err)
	}
	if err := client.DeployAppRelease(app.Name, release.ID); err != nil {
		log.Fatalln("Error deploying app release:", err)
	}

	fmt.Println("=====> Application deployed")

	if needsDefaultScale(app.ID, prevRelease.ID, procs, client) {
		formation := &ct.Formation{
			AppID:     app.ID,
			ReleaseID: release.ID,
			Processes: map[string]int{"web": 1},
		}

		watcher, err := client.WatchJobEvents(app.ID, release.ID)
		if err != nil {
			log.Fatalln("Error streaming job events", err)
			return
		}
		defer watcher.Close()

		if err := client.PutFormation(formation); err != nil {
			log.Fatalln("Error putting formation:", err)
		}
		fmt.Println("=====> Waiting for web job to start...")

		err = watcher.WaitFor(ct.JobEvents{"web": ct.JobUpEvents(1)}, scaleTimeout, func(e *ct.Job) error {
			switch e.State {
			case ct.JobStateUp:
				fmt.Println("=====> Default web formation scaled to 1")
			case ct.JobStateDown:
				return fmt.Errorf("Failed to scale web process type")
			}
			return nil
		})
		if err != nil {
			log.Fatalln(err.Error())
		}
	}
}