Beispiel #1
0
func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
	if req.Name == "" {
		log.Printf("uninstall: Release not found: %s", req.Name)
		return nil, errMissingRelease
	}

	rel, err := s.env.Releases.Read(req.Name)
	if err != nil {
		log.Printf("uninstall: Release not loaded: %s", req.Name)
		return nil, err
	}

	log.Printf("uninstall: Deleting %s", req.Name)
	rel.Info.Status.Code = release.Status_DELETED
	rel.Info.Deleted = timeconv.Now()

	b := bytes.NewBuffer([]byte(rel.Manifest))

	if err := s.env.KubeClient.Delete(s.env.Namespace, b); err != nil {
		log.Printf("uninstall: Failed deletion of %q: %s", req.Name, err)
		return nil, err
	}

	if err := s.env.Releases.Update(rel); err != nil {
		log.Printf("uninstall: Failed to store updated release: %s", err)
	}

	res := services.UninstallReleaseResponse{Release: rel}
	return &res, nil
}
Beispiel #2
0
func TestUninstallRelease(t *testing.T) {
	c := context.Background()
	rs := rsFixture()
	rs.env.Releases.Create(&release.Release{
		Name: "angry-panda",
		Info: &release.Info{
			FirstDeployed: timeconv.Now(),
			Status: &release.Status{
				Code: release.Status_DEPLOYED,
			},
		},
	})

	req := &services.UninstallReleaseRequest{
		Name: "angry-panda",
	}

	res, err := rs.UninstallRelease(c, req)
	if err != nil {
		t.Errorf("Failed uninstall: %s", err)
	}

	if res.Release.Name != "angry-panda" {
		t.Errorf("Expected angry-panda, got %q", res.Release.Name)
	}

	if res.Release.Info.Status.Code != release.Status_DELETED {
		t.Errorf("Expected status code to be DELETED, got %d", res.Release.Info.Status.Code)
	}

	if res.Release.Info.Deleted.Seconds <= 0 {
		t.Errorf("Expected valid UNIX date, got %d", res.Release.Info.Deleted.Seconds)
	}
}
// prepareUpdate builds an updated release for an update operation.
func (s *releaseServer) prepareUpdate(req *services.UpdateReleaseRequest) (*release.Release, *release.Release, error) {
	if req.Name == "" {
		return nil, nil, errMissingRelease
	}

	if req.Chart == nil {
		return nil, nil, errMissingChart
	}

	// finds the non-deleted release with the given name
	currentRelease, err := s.env.Releases.Deployed(req.Name)
	if err != nil {
		return nil, nil, err
	}

	// If new values were not supplied in the upgrade, re-use the existing values.
	s.reuseValues(req, currentRelease)

	ts := timeconv.Now()
	options := chartutil.ReleaseOptions{
		Name:      req.Name,
		Time:      ts,
		Namespace: currentRelease.Namespace,
	}

	valuesToRender, err := chartutil.ToRenderValues(req.Chart, req.Values, options)
	if err != nil {
		return nil, nil, err
	}

	hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender)
	if err != nil {
		return nil, nil, err
	}

	// Store an updated release.
	updatedRelease := &release.Release{
		Name:      req.Name,
		Namespace: currentRelease.Namespace,
		Chart:     req.Chart,
		Config:    req.Values,
		Info: &release.Info{
			FirstDeployed: currentRelease.Info.FirstDeployed,
			LastDeployed:  ts,
			Status:        &release.Status{Code: release.Status_UNKNOWN},
		},
		Version:  currentRelease.Version + 1,
		Manifest: manifestDoc.String(),
		Hooks:    hooks,
	}

	if len(notesTxt) > 0 {
		updatedRelease.Info.Status.Notes = notesTxt
	}
	return currentRelease, updatedRelease, nil
}
Beispiel #4
0
// prepareRollback finds the previous release and prepares a new release object with
//  the previous release's configuration
func (s *releaseServer) prepareRollback(req *services.RollbackReleaseRequest) (*release.Release, *release.Release, error) {
	switch {
	case req.Name == "":
		return nil, nil, errMissingRelease
	case req.Version < 0:
		return nil, nil, errInvalidRevision
	}

	// finds the non-deleted release with the given name
	h, err := s.env.Releases.History(req.Name)
	if err != nil {
		return nil, nil, err
	}
	if len(h) <= 1 {
		return nil, nil, errors.New("no revision to rollback")
	}

	relutil.SortByRevision(h)
	crls := h[len(h)-1]

	rbv := req.Version
	if req.Version == 0 {
		rbv = crls.Version - 1
	}

	log.Printf("rolling back %s (current: v%d, target: v%d)", req.Name, crls.Version, rbv)

	prls, err := s.env.Releases.Get(req.Name, rbv)
	if err != nil {
		return nil, nil, err
	}

	// Store a new release object with previous release's configuration
	// Store a new release object with previous release's configuration
	target := &release.Release{
		Name:      req.Name,
		Namespace: crls.Namespace,
		Chart:     prls.Chart,
		Config:    prls.Config,
		Info: &release.Info{
			FirstDeployed: crls.Info.FirstDeployed,
			LastDeployed:  timeconv.Now(),
			Status: &release.Status{
				Code:  release.Status_UNKNOWN,
				Notes: prls.Info.Status.Notes,
			},
		},
		Version:  crls.Version + 1,
		Manifest: prls.Manifest,
		Hooks:    prls.Hooks,
	}

	return crls, target, nil
}
Beispiel #5
0
// prepareRollback finds the previous release and prepares a new release object with
//  the previous release's configuration
func (s *ReleaseServer) prepareRollback(req *services.RollbackReleaseRequest) (*release.Release, *release.Release, error) {
	switch {
	case !ValidName.MatchString(req.Name):
		return nil, nil, errMissingRelease
	case req.Version < 0:
		return nil, nil, errInvalidRevision
	}

	crls, err := s.env.Releases.Last(req.Name)
	if err != nil {
		return nil, nil, err
	}

	rbv := req.Version
	if req.Version == 0 {
		rbv = crls.Version - 1
	}

	log.Printf("rolling back %s (current: v%d, target: v%d)", req.Name, crls.Version, rbv)

	prls, err := s.env.Releases.Get(req.Name, rbv)
	if err != nil {
		return nil, nil, err
	}

	// Store a new release object with previous release's configuration
	target := &release.Release{
		Name:      req.Name,
		Namespace: crls.Namespace,
		Chart:     prls.Chart,
		Config:    prls.Config,
		Info: &release.Info{
			FirstDeployed: crls.Info.FirstDeployed,
			LastDeployed:  timeconv.Now(),
			Status: &release.Status{
				Code:  release.Status_UNKNOWN,
				Notes: prls.Info.Status.Notes,
			},
		},
		Version:  crls.Version + 1,
		Manifest: prls.Manifest,
		Hooks:    prls.Hooks,
	}

	return crls, target, nil
}
// prepareRelease builds a release for an install operation.
func (s *releaseServer) prepareRelease(req *services.InstallReleaseRequest) (*release.Release, error) {
	if req.Chart == nil {
		return nil, errMissingChart
	}

	name, err := s.uniqName(req.Name, req.ReuseName)
	if err != nil {
		return nil, err
	}

	ts := timeconv.Now()
	options := chartutil.ReleaseOptions{Name: name, Time: ts, Namespace: req.Namespace}
	valuesToRender, err := chartutil.ToRenderValues(req.Chart, req.Values, options)
	if err != nil {
		return nil, err
	}

	hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender)
	if err != nil {
		return nil, err
	}

	// Store a release.
	rel := &release.Release{
		Name:      name,
		Namespace: req.Namespace,
		Chart:     req.Chart,
		Config:    req.Values,
		Info: &release.Info{
			FirstDeployed: ts,
			LastDeployed:  ts,
			Status:        &release.Status{Code: release.Status_UNKNOWN},
		},
		Manifest: manifestDoc.String(),
		Hooks:    hooks,
		Version:  1,
	}
	if len(notesTxt) > 0 {
		rel.Info.Status.Notes = notesTxt
	}
	return rel, nil
}
func (s *releaseServer) execHook(hs []*release.Hook, name, namespace, hook string) error {
	kubeCli := s.env.KubeClient
	code, ok := events[hook]
	if !ok {
		return fmt.Errorf("unknown hook %q", hook)
	}

	log.Printf("Executing %s hooks for %s", hook, name)
	for _, h := range hs {
		found := false
		for _, e := range h.Events {
			if e == code {
				found = true
			}
		}
		// If this doesn't implement the hook, skip it.
		if !found {
			continue
		}

		b := bytes.NewBufferString(h.Manifest)
		if err := kubeCli.Create(namespace, b); err != nil {
			log.Printf("warning: Release %q pre-install %s failed: %s", name, h.Path, err)
			return err
		}
		// No way to rewind a bytes.Buffer()?
		b.Reset()
		b.WriteString(h.Manifest)
		if err := kubeCli.WatchUntilReady(namespace, b); err != nil {
			log.Printf("warning: Release %q pre-install %s could not complete: %s", name, h.Path, err)
			return err
		}
		h.LastRun = timeconv.Now()
	}
	log.Printf("Hooks complete for %s %s", hook, name)
	return nil
}
func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
	if !checkClientVersion(c) {
		return nil, errIncompatibleVersion
	}

	if req.Name == "" {
		log.Printf("uninstall: Release not found: %s", req.Name)
		return nil, errMissingRelease
	}

	rels, err := s.env.Releases.History(req.Name)
	if err != nil {
		log.Printf("uninstall: Release not loaded: %s", req.Name)
		return nil, err
	}
	if len(rels) < 1 {
		return nil, errMissingRelease
	}

	relutil.SortByRevision(rels)
	rel := rels[len(rels)-1]

	// TODO: Are there any cases where we want to force a delete even if it's
	// already marked deleted?
	if rel.Info.Status.Code == release.Status_DELETED {
		if req.Purge {
			if err := s.purgeReleases(rels...); err != nil {
				log.Printf("uninstall: Failed to purge the release: %s", err)
				return nil, err
			}
			return &services.UninstallReleaseResponse{Release: rel}, nil
		}
		return nil, fmt.Errorf("the release named %q is already deleted", req.Name)
	}

	log.Printf("uninstall: Deleting %s", req.Name)
	rel.Info.Status.Code = release.Status_DELETED
	rel.Info.Deleted = timeconv.Now()
	res := &services.UninstallReleaseResponse{Release: rel}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, preDelete); err != nil {
			return res, err
		}
	}

	vs, err := s.getVersionSet()
	if err != nil {
		return nil, fmt.Errorf("Could not get apiVersions from Kubernetes: %s", err)
	}

	manifests := splitManifests(rel.Manifest)
	_, files, err := sortManifests(manifests, vs, UninstallOrder)
	if err != nil {
		// We could instead just delete everything in no particular order.
		return nil, err
	}

	// Collect the errors, and return them later.
	es := []string{}
	for _, file := range files {
		b := bytes.NewBufferString(file.content)
		if err := s.env.KubeClient.Delete(rel.Namespace, b); err != nil {
			log.Printf("uninstall: Failed deletion of %q: %s", req.Name, err)
			es = append(es, err.Error())
		}
	}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, postDelete); err != nil {
			es = append(es, err.Error())
		}
	}

	if !req.Purge {
		if err := s.env.Releases.Update(rel); err != nil {
			log.Printf("uninstall: Failed to store updated release: %s", err)
		}
	} else {
		if err := s.purgeReleases(rels...); err != nil {
			log.Printf("uninstall: Failed to purge the release: %s", err)
		}
	}

	var errs error
	if len(es) > 0 {
		errs = fmt.Errorf("deletion error count %d: %s", len(es), strings.Join(es, "; "))
	}

	return res, errs
}
Beispiel #9
0
func TestToRenderValues(t *testing.T) {

	chartValues := `
name: al Rashid
where:
  city: Basrah
  title: caliph
`
	overideValues := `
name: Haroun
where:
  city: Baghdad
  date: 809 CE
`

	c := &chart.Chart{
		Metadata:  &chart.Metadata{Name: "test"},
		Templates: []*chart.Template{},
		Values:    &chart.Config{Raw: chartValues},
		Dependencies: []*chart.Chart{
			{
				Metadata: &chart.Metadata{Name: "where"},
				Values:   &chart.Config{Raw: ""},
			},
		},
		Files: []*any.Any{
			{TypeUrl: "scheherazade/shahryar.txt", Value: []byte("1,001 Nights")},
		},
	}
	v := &chart.Config{Raw: overideValues}

	o := ReleaseOptions{
		Name:      "Seven Voyages",
		Time:      timeconv.Now(),
		Namespace: "al Basrah",
	}

	res, err := ToRenderValues(c, v, o)
	if err != nil {
		t.Fatal(err)
	}

	// Ensure that the top-level values are all set.
	if name := res["Chart"].(*chart.Metadata).Name; name != "test" {
		t.Errorf("Expected chart name 'test', got %q", name)
	}
	if name := res["Release"].(map[string]interface{})["Name"]; fmt.Sprint(name) != "Seven Voyages" {
		t.Errorf("Expected release name 'Seven Voyages', got %q", name)
	}
	if data := res["Files"].(Files)["scheherazade/shahryar.txt"]; string(data) != "1,001 Nights" {
		t.Errorf("Expected file '1,001 Nights', got %q", string(data))
	}

	var vals Values
	vals = res["Values"].(Values)

	if vals["name"] != "Haroun" {
		t.Errorf("Expected 'Haroun', got %q (%v)", vals["name"], vals)
	}
	where := vals["where"].(map[string]interface{})
	expects := map[string]string{
		"city":  "Baghdad",
		"date":  "809 CE",
		"title": "caliph",
	}
	for field, expect := range expects {
		if got := where[field]; got != expect {
			t.Errorf("Expected %q, got %q (%v)", expect, got, where)
		}
	}
}
Beispiel #10
0
// Templates lints the templates in the Linter.
func Templates(linter *support.Linter) {
	templatesPath := filepath.Join(linter.ChartDir, "templates")

	templatesDirExist := linter.RunLinterRule(support.WarningSev, validateTemplatesDir(templatesPath))

	// Templates directory is optional for now
	if !templatesDirExist {
		return
	}

	// Load chart and parse templates, based on tiller/release_server
	chart, err := chartutil.Load(linter.ChartDir)

	chartLoaded := linter.RunLinterRule(support.ErrorSev, validateNoError(err))

	if !chartLoaded {
		return
	}

	options := chartutil.ReleaseOptions{Name: "testRelease", Time: timeconv.Now(), Namespace: "testNamespace"}
	valuesToRender, err := chartutil.ToRenderValues(chart, chart.Values, options)
	if err != nil {
		// FIXME: This seems to generate a duplicate, but I can't find where the first
		// error is coming from.
		//linter.RunLinterRule(support.ErrorSev, err)
		return
	}
	renderedContentMap, err := engine.New().Render(chart, valuesToRender)

	renderOk := linter.RunLinterRule(support.ErrorSev, validateNoError(err))

	if !renderOk {
		return
	}

	/* Iterate over all the templates to check:
	   - It is a .yaml file
		 - All the values in the template file is defined
		 - {{}} include | quote
		 - Generated content is a valid Yaml file
		 - Metadata.Namespace is not set
	*/
	for _, template := range chart.Templates {
		fileName, preExecutedTemplate := template.Name, template.Data

		linter.RunLinterRule(support.ErrorSev, validateAllowedExtension(fileName))

		// We only apply the following lint rules to yaml files
		if filepath.Ext(fileName) != ".yaml" {
			continue
		}

		// Check that all the templates have a matching value
		linter.RunLinterRule(support.WarningSev, validateNonMissingValues(fileName, templatesPath, valuesToRender, preExecutedTemplate))

		linter.RunLinterRule(support.WarningSev, validateQuotes(fileName, string(preExecutedTemplate)))

		renderedContent := renderedContentMap[fileName]
		var yamlStruct K8sYamlStruct
		// Even though K8sYamlStruct only defines Metadata namespace, an error in any other
		// key will be raised as well
		err := yaml.Unmarshal([]byte(renderedContent), &yamlStruct)

		validYaml := linter.RunLinterRule(support.ErrorSev, validateYamlContent(fileName, err))

		if !validYaml {
			continue
		}

		linter.RunLinterRule(support.ErrorSev, validateNoNamespace(fileName, yamlStruct))
	}
}
Beispiel #11
0
func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
	if !checkClientVersion(c) {
		return nil, errIncompatibleVersion
	}

	if req.Name == "" {
		log.Printf("uninstall: Release not found: %s", req.Name)
		return nil, errMissingRelease
	}

	rel, err := s.env.Releases.Deployed(req.Name)
	if err != nil {
		log.Printf("uninstall: Release not loaded: %s", req.Name)
		return nil, err
	}

	// TODO: Are there any cases where we want to force a delete even if it's
	// already marked deleted?
	if rel.Info.Status.Code == release.Status_DELETED {
		if req.Purge {
			if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
				log.Printf("uninstall: Failed to purge the release: %s", err)
				return nil, err
			}
			return &services.UninstallReleaseResponse{Release: rel}, nil
		}
		return nil, fmt.Errorf("the release named %q is already deleted", req.Name)
	}

	log.Printf("uninstall: Deleting %s", req.Name)
	rel.Info.Status.Code = release.Status_DELETED
	rel.Info.Deleted = timeconv.Now()
	res := &services.UninstallReleaseResponse{Release: rel}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, preDelete); err != nil {
			return res, err
		}
	}

	vs, err := s.getVersionSet()
	if err != nil {
		return nil, fmt.Errorf("Could not get apiVersions from Kubernetes: %s", err)
	}

	manifests := splitManifests(rel.Manifest)
	_, files, err := sortManifests(manifests, vs, UninstallOrder)
	if err != nil {
		// We could instead just delete everything in no particular order.
		return nil, err
	}
	// Note: We could re-join these into one file and delete just that one. Or
	// we could collect errors (instead of bailing on the first error) and try
	// to delete as much as possible instead of failing at the first error.
	for _, file := range files {
		b := bytes.NewBufferString(file.content)
		if err := s.env.KubeClient.Delete(rel.Namespace, b); err != nil {
			log.Printf("uninstall: Failed deletion of %q: %s", req.Name, err)
			return nil, err
		}
	}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, postDelete); err != nil {
			return res, err
		}
	}

	if !req.Purge {
		if err := s.env.Releases.Update(rel); err != nil {
			log.Printf("uninstall: Failed to store updated release: %s", err)
		}
	} else {
		if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
			log.Printf("uninstall: Failed to purge the release: %s", err)
		}
	}

	return res, nil
}
Beispiel #12
0
// UninstallRelease deletes all of the resources associated with this release, and marks the release DELETED.
func (s *ReleaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
	if !checkClientVersion(c) {
		return nil, errIncompatibleVersion
	}

	if !ValidName.MatchString(req.Name) {
		log.Printf("uninstall: Release not found: %s", req.Name)
		return nil, errMissingRelease
	}

	rels, err := s.env.Releases.History(req.Name)
	if err != nil {
		log.Printf("uninstall: Release not loaded: %s", req.Name)
		return nil, err
	}
	if len(rels) < 1 {
		return nil, errMissingRelease
	}

	relutil.SortByRevision(rels)
	rel := rels[len(rels)-1]

	// TODO: Are there any cases where we want to force a delete even if it's
	// already marked deleted?
	if rel.Info.Status.Code == release.Status_DELETED {
		if req.Purge {
			if err := s.purgeReleases(rels...); err != nil {
				log.Printf("uninstall: Failed to purge the release: %s", err)
				return nil, err
			}
			return &services.UninstallReleaseResponse{Release: rel}, nil
		}
		return nil, fmt.Errorf("the release named %q is already deleted", req.Name)
	}

	log.Printf("uninstall: Deleting %s", req.Name)
	rel.Info.Status.Code = release.Status_DELETING
	rel.Info.Deleted = timeconv.Now()
	res := &services.UninstallReleaseResponse{Release: rel}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, preDelete); err != nil {
			return res, err
		}
	}

	vs, err := getVersionSet(s.clientset.Discovery())
	if err != nil {
		return nil, fmt.Errorf("Could not get apiVersions from Kubernetes: %s", err)
	}

	// From here on out, the release is currently considered to be in Status_DELETING
	// state.
	if err := s.env.Releases.Update(rel); err != nil {
		log.Printf("uninstall: Failed to store updated release: %s", err)
	}

	manifests := splitManifests(rel.Manifest)
	_, files, err := sortManifests(manifests, vs, UninstallOrder)
	if err != nil {
		// We could instead just delete everything in no particular order.
		// FIXME: One way to delete at this point would be to try a label-based
		// deletion. The problem with this is that we could get a false positive
		// and delete something that was not legitimately part of this release.
		return nil, fmt.Errorf("corrupted release record. You must manually delete the resources: %s", err)
	}

	filesToKeep, filesToDelete := filterManifestsToKeep(files)
	if len(filesToKeep) > 0 {
		res.Info = summarizeKeptManifests(filesToKeep)
	}

	// Collect the errors, and return them later.
	es := []string{}
	for _, file := range filesToDelete {
		b := bytes.NewBufferString(file.content)
		if err := s.env.KubeClient.Delete(rel.Namespace, b); err != nil {
			log.Printf("uninstall: Failed deletion of %q: %s", req.Name, err)
			if err == kube.ErrNoObjectsVisited {
				// Rewrite the message from "no objects visited"
				err = errors.New("object not found, skipping delete")
			}
			es = append(es, err.Error())
		}
	}

	if !req.DisableHooks {
		if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, postDelete); err != nil {
			es = append(es, err.Error())
		}
	}

	if req.Purge {
		if err := s.purgeReleases(rels...); err != nil {
			log.Printf("uninstall: Failed to purge the release: %s", err)
		}
	}

	rel.Info.Status.Code = release.Status_DELETED
	if err := s.env.Releases.Update(rel); err != nil {
		log.Printf("uninstall: Failed to store updated release: %s", err)
	}

	var errs error
	if len(es) > 0 {
		errs = fmt.Errorf("deletion completed with %d error(s): %s", len(es), strings.Join(es, "; "))
	}

	return res, errs
}
Beispiel #13
0
// prepareRelease builds a release for an install operation.
func (s *ReleaseServer) prepareRelease(req *services.InstallReleaseRequest) (*release.Release, error) {
	if req.Chart == nil {
		return nil, errMissingChart
	}

	name, err := s.uniqName(req.Name, req.ReuseName)
	if err != nil {
		return nil, err
	}

	revision := 1
	ts := timeconv.Now()
	options := chartutil.ReleaseOptions{
		Name:      name,
		Time:      ts,
		Namespace: req.Namespace,
		Revision:  revision,
		IsInstall: true,
	}
	valuesToRender, err := chartutil.ToRenderValues(req.Chart, req.Values, options)
	if err != nil {
		return nil, err
	}

	hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender)
	if err != nil {
		// Return a release with partial data so that client can show debugging
		// information.
		rel := &release.Release{
			Name:      name,
			Namespace: req.Namespace,
			Chart:     req.Chart,
			Config:    req.Values,
			Info: &release.Info{
				FirstDeployed: ts,
				LastDeployed:  ts,
				Status:        &release.Status{Code: release.Status_UNKNOWN},
			},
			Version: 0,
		}
		if manifestDoc != nil {
			rel.Manifest = manifestDoc.String()
		}
		return rel, err
	}

	// Store a release.
	rel := &release.Release{
		Name:      name,
		Namespace: req.Namespace,
		Chart:     req.Chart,
		Config:    req.Values,
		Info: &release.Info{
			FirstDeployed: ts,
			LastDeployed:  ts,
			Status:        &release.Status{Code: release.Status_UNKNOWN},
		},
		Manifest: manifestDoc.String(),
		Hooks:    hooks,
		Version:  int32(revision),
	}
	if len(notesTxt) > 0 {
		rel.Info.Status.Notes = notesTxt
	}
	return rel, nil
}
Beispiel #14
0
func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
	if req.Chart == nil {
		return nil, errMissingChart
	}

	name, err := s.uniqName(req.Name)
	if err != nil {
		return nil, err
	}

	ts := timeconv.Now()
	options := chartutil.ReleaseOptions{Name: name, Time: ts, Namespace: s.env.Namespace}
	valuesToRender, err := chartutil.ToRenderValues(req.Chart, req.Values, options)
	if err != nil {
		return nil, err
	}

	renderer := s.engine(req.Chart)
	files, err := renderer.Render(req.Chart, valuesToRender)
	if err != nil {
		return nil, err
	}

	b := bytes.NewBuffer(nil)
	for name, file := range files {
		// Ignore templates that starts with underscore to handle them as partials
		if strings.HasPrefix(path.Base(name), "_") {
			continue
		}

		// Ignore empty documents because the Kubernetes library can't handle
		// them.
		if len(file) > 0 {
			b.WriteString("\n---\n# Source: " + name + "\n")
			b.WriteString(file)
		}
	}

	// Store a release.
	r := &release.Release{
		Name:   name,
		Chart:  req.Chart,
		Config: req.Values,
		Info: &release.Info{
			FirstDeployed: ts,
			LastDeployed:  ts,
			Status:        &release.Status{Code: release.Status_UNKNOWN},
		},
		Manifest: b.String(),
	}

	res := &services.InstallReleaseResponse{Release: r}

	if req.DryRun {
		log.Printf("Dry run for %s", name)
		return res, nil
	}

	if err := s.env.KubeClient.Create(s.env.Namespace, b); err != nil {
		r.Info.Status.Code = release.Status_FAILED
		log.Printf("warning: Release %q failed: %s", name, err)
		if err := s.env.Releases.Create(r); err != nil {
			log.Printf("warning: Failed to record release %q: %s", name, err)
		}
		return res, fmt.Errorf("release %s failed: %s", name, err)
	}

	// This is a tricky case. The release has been created, but the result
	// cannot be recorded. The truest thing to tell the user is that the
	// release was created. However, the user will not be able to do anything
	// further with this release.
	//
	// One possible strategy would be to do a timed retry to see if we can get
	// this stored in the future.
	if err := s.env.Releases.Create(r); err != nil {
		log.Printf("warning: Failed to record release %q: %s", name, err)
		return res, nil
	}

	r.Info.Status.Code = release.Status_DEPLOYED
	return res, nil
}