Ejemplo n.º 1
0
// main is a modified version of the registry main function:
// https://github.com/docker/distribution/blob/6ba799b/cmd/registry/main.go
func main() {
	logrus.SetLevel(logrus.InfoLevel)

	ctx := context.Background()
	ctx = context.WithValue(ctx, "version", version.String())
	ctx = context.WithLogger(ctx, context.GetLogger(ctx, "version"))

	client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
	if err != nil {
		context.GetLogger(ctx).Fatalln(err)
	}

	release, err := client.GetRelease(os.Getenv("FLYNN_RELEASE_ID"))
	if err != nil {
		context.GetLogger(ctx).Fatalln(err)
	}
	artifact, err := client.GetArtifact(release.ArtifactIDs[0])
	if err != nil {
		context.GetLogger(ctx).Fatalln(err)
	}

	authKey := os.Getenv("AUTH_KEY")

	middleware.Register("flynn", repositoryMiddleware(client, artifact, authKey))

	config := configuration.Configuration{
		Version: configuration.CurrentVersion,
		Storage: configuration.Storage{
			blobstore.DriverName: configuration.Parameters{},
			"delete":             configuration.Parameters{"enabled": true},
		},
		Middleware: map[string][]configuration.Middleware{
			"repository": {
				{Name: "flynn"},
			},
		},
		Auth: configuration.Auth{
			"flynn": configuration.Parameters{
				"auth_key": authKey,
			},
		},
	}
	config.HTTP.Secret = os.Getenv("REGISTRY_HTTP_SECRET")

	status.AddHandler(status.HealthyHandler)

	app := handlers.NewApp(ctx, config)
	http.Handle("/", app)

	addr := ":" + os.Getenv("PORT")
	context.GetLogger(app).Infof("listening on %s", addr)
	if err := http.ListenAndServe(addr, nil); err != nil {
		context.GetLogger(app).Fatalln(err)
	}
}
Ejemplo n.º 2
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)
	}
}
Ejemplo n.º 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 := &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)
	}
}
Ejemplo n.º 4
0
func (s *ControllerSuite) TestAppDeleteCleanup(t *c.C) {
	app := "app-delete-cleanup-" + random.String(8)
	client := s.controllerClient(t)

	// create and push app
	r := s.newGitRepo(t, "http")
	t.Assert(r.flynn("create", app), Succeeds)
	t.Assert(r.git("push", "flynn", "master"), Succeeds)

	// wait for it to start
	service := app + "-web"
	_, err := s.discoverdClient(t).Instances(service, 10*time.Second)
	t.Assert(err, c.IsNil)

	t.Assert(r.flynn("scale", "another-web=1"), Succeeds)
	_, err = s.discoverdClient(t).Instances(app+"-another-web", 10*time.Second)
	t.Assert(err, c.IsNil)

	// create some routes
	routes := []string{"foo.example.com", "bar.example.com", "another.example.com"}
	for _, route := range routes {
		if route == "another.example.com" {
			t.Assert(r.flynn("route", "add", "http", "-s", app+"-another-web", route), Succeeds)
		} else {
			t.Assert(r.flynn("route", "add", "http", route), Succeeds)
		}
	}
	routeList, err := client.RouteList(app)
	t.Assert(err, c.IsNil)
	numRoutes := len(routes) + 1 // includes default app route
	t.Assert(routeList, c.HasLen, numRoutes)

	assertRouteStatus := func(route string, status int) {
		req, err := http.NewRequest("GET", "http://"+routerIP, nil)
		t.Assert(err, c.IsNil)
		req.Host = route
		res, err := http.DefaultClient.Do(req)
		t.Assert(err, c.IsNil)
		t.Assert(res.StatusCode, c.Equals, status)
	}
	for _, route := range routes {
		assertRouteStatus(route, 200)
	}

	// provision resources
	t.Assert(r.flynn("resource", "add", "postgres"), Succeeds)
	resources, err := client.AppResourceList(app)
	t.Assert(err, c.IsNil)
	numResources := 1
	t.Assert(resources, c.HasLen, numResources)

	// create another release
	t.Assert(r.git("commit", "--allow-empty", "--message", "deploy"), Succeeds)
	t.Assert(r.git("push", "flynn", "master"), Succeeds)
	releases, err := client.AppReleaseList(app)
	t.Assert(err, c.IsNil)

	// delete app
	cmd := r.flynn("delete", "--yes")
	t.Assert(cmd, Succeeds)

	// check route cleanup
	t.Assert(cmd, OutputContains, fmt.Sprintf("removed %d routes", numRoutes))
	for _, route := range routes {
		assertRouteStatus(route, 404)
	}

	// check release cleanup
	t.Assert(cmd, OutputContains, fmt.Sprintf("deleted %d releases", len(releases)))
	for _, release := range releases {
		_, err := client.GetRelease(release.ID)
		t.Assert(err, c.Equals, controller.ErrNotFound)
	}

	// check resource cleanup
	t.Assert(cmd, OutputContains, fmt.Sprintf("deprovisioned %d resources", numResources))

	// check creating and pushing same app name succeeds
	t.Assert(os.RemoveAll(r.dir), c.IsNil)
	r = s.newGitRepo(t, "http")
	t.Assert(r.flynn("create", app), Succeeds)
	t.Assert(r.git("push", "flynn", "master"), Succeeds)
}