예제 #1
0
파일: plugins.go 프로젝트: kubernetes/helm
// setupEnv prepares os.Env for plugins. It operates on os.Env because
// the plugin subsystem itself needs access to the environment variables
// created here.
func setupEnv(shortname, base, plugdirs string, home helmpath.Home) {
	// Set extra env vars:
	for key, val := range map[string]string{
		"HELM_PLUGIN_NAME": shortname,
		"HELM_PLUGIN_DIR":  base,
		"HELM_BIN":         os.Args[0],

		// Set vars that may not have been set, and save client the
		// trouble of re-parsing.
		pluginEnvVar: plugdirs,
		homeEnvVar:   home.String(),

		// Set vars that convey common information.
		"HELM_PATH_REPOSITORY":       home.Repository(),
		"HELM_PATH_REPOSITORY_FILE":  home.RepositoryFile(),
		"HELM_PATH_CACHE":            home.Cache(),
		"HELM_PATH_LOCAL_REPOSITORY": home.LocalRepository(),
		"HELM_PATH_STARTER":          home.Starters(),

		"TILLER_HOST":         tillerHost,
		tillerNamespaceEnvVar: tillerNamespace,
	} {
		os.Setenv(key, val)
	}

	if flagDebug {
		os.Setenv("HELM_DEBUG", "1")
	}
}
예제 #2
0
// ensureHome checks to see if $HELM_HOME exists
//
// If $HELM_HOME does not exist, this function will create it.
func ensureHome(home helmpath.Home, out io.Writer) error {
	configDirectories := []string{home.String(), home.Repository(), home.Cache(), home.LocalRepository()}
	for _, p := range configDirectories {
		if fi, err := os.Stat(p); err != nil {
			fmt.Fprintf(out, "Creating %s \n", p)
			if err := os.MkdirAll(p, 0755); err != nil {
				return fmt.Errorf("Could not create %s: %s", p, err)
			}
		} else if !fi.IsDir() {
			return fmt.Errorf("%s must be a directory", p)
		}
	}

	repoFile := home.RepositoryFile()
	if fi, err := os.Stat(repoFile); err != nil {
		fmt.Fprintf(out, "Creating %s \n", repoFile)
		r := repo.NewRepoFile()
		r.Add(&repo.Entry{
			Name:  stableRepository,
			URL:   stableRepositoryURL,
			Cache: "stable-index.yaml",
		}, &repo.Entry{
			Name:  localRepository,
			URL:   localRepositoryURL,
			Cache: "local-index.yaml",
		})
		if err := r.WriteFile(repoFile, 0644); err != nil {
			return err
		}
		cif := home.CacheIndex(stableRepository)
		if err := repo.DownloadIndexFile(stableRepository, stableRepositoryURL, cif); err != nil {
			fmt.Fprintf(out, "WARNING: Failed to download %s: %s (run 'helm repo update')\n", stableRepository, err)
		}
	} else if fi.IsDir() {
		return fmt.Errorf("%s must be a file, not a directory", repoFile)
	}
	if r, err := repo.LoadRepositoriesFile(repoFile); err == repo.ErrRepoOutOfDate {
		fmt.Fprintln(out, "Updating repository file format...")
		if err := r.WriteFile(repoFile, 0644); err != nil {
			return err
		}
	}

	localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath)
	if fi, err := os.Stat(localRepoIndexFile); err != nil {
		fmt.Fprintf(out, "Creating %s \n", localRepoIndexFile)
		i := repo.NewIndexFile()
		if err := i.WriteFile(localRepoIndexFile, 0644); err != nil {
			return err
		}

		//TODO: take this out and replace with helm update functionality
		os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
	} else if fi.IsDir() {
		return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
	}

	fmt.Fprintf(out, "$HELM_HOME has been configured at %s.\n", helmHome)
	return nil
}
예제 #3
0
// ensureTestHome creates a home directory like ensureHome, but without remote references.
//
// t is used only for logging.
func ensureTestHome(home helmpath.Home, t *testing.T) error {
	configDirectories := []string{home.String(), home.Repository(), home.Cache(), home.LocalRepository(), home.Plugins(), home.Starters()}
	for _, p := range configDirectories {
		if fi, err := os.Stat(p); err != nil {
			if err := os.MkdirAll(p, 0755); err != nil {
				return fmt.Errorf("Could not create %s: %s", p, err)
			}
		} else if !fi.IsDir() {
			return fmt.Errorf("%s must be a directory", p)
		}
	}

	repoFile := home.RepositoryFile()
	if fi, err := os.Stat(repoFile); err != nil {
		rf := repo.NewRepoFile()
		rf.Add(&repo.Entry{
			Name:  "charts",
			URL:   "http://example.com/foo",
			Cache: "charts-index.yaml",
		}, &repo.Entry{
			Name:  "local",
			URL:   "http://localhost.com:7743/foo",
			Cache: "local-index.yaml",
		})
		if err := rf.WriteFile(repoFile, 0644); err != nil {
			return err
		}
	} else if fi.IsDir() {
		return fmt.Errorf("%s must be a file, not a directory", repoFile)
	}
	if r, err := repo.LoadRepositoriesFile(repoFile); err == repo.ErrRepoOutOfDate {
		t.Log("Updating repository file format...")
		if err := r.WriteFile(repoFile, 0644); err != nil {
			return err
		}
	}

	localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath)
	if fi, err := os.Stat(localRepoIndexFile); err != nil {
		i := repo.NewIndexFile()
		if err := i.WriteFile(localRepoIndexFile, 0644); err != nil {
			return err
		}

		//TODO: take this out and replace with helm update functionality
		os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
	} else if fi.IsDir() {
		return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
	}

	t.Logf("$HELM_HOME has been configured at %s.\n", helmHome)
	return nil
}