// 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") } }
// ensureHome checks to see if $HELM_HOME exists // // If $HELM_HOME does not exist, this function will create it. func ensureHome(home helmpath.Home, out io.Writer) error { configDirectories := []string{home.String(), home.Repository(), home.Cache(), home.LocalRepository(), home.Plugins(), home.Starters()} for _, p := range configDirectories { if fi, err := os.Stat(p); err != nil { fmt.Fprintf(out, "Creating %s \n", p) if err := os.MkdirAll(p, 0755); err != nil { return fmt.Errorf("Could not create %s: %s", p, err) } } else if !fi.IsDir() { return fmt.Errorf("%s must be a directory", p) } } repoFile := home.RepositoryFile() if fi, err := os.Stat(repoFile); err != nil { fmt.Fprintf(out, "Creating %s \n", repoFile) r := repo.NewRepoFile() r.Add(&repo.Entry{ Name: stableRepository, URL: stableRepositoryURL, Cache: "stable-index.yaml", }, &repo.Entry{ Name: localRepository, URL: localRepositoryURL, Cache: "local-index.yaml", }) if err := r.WriteFile(repoFile, 0644); err != nil { return err } cif := home.CacheIndex(stableRepository) if err := repo.DownloadIndexFile(stableRepository, stableRepositoryURL, cif); err != nil { fmt.Fprintf(out, "WARNING: Failed to download %s: %s (run 'helm repo update')\n", stableRepository, err) } } else if fi.IsDir() { return fmt.Errorf("%s must be a file, not a directory", repoFile) } if r, err := repo.LoadRepositoriesFile(repoFile); err == repo.ErrRepoOutOfDate { fmt.Fprintln(out, "Updating repository file format...") if err := r.WriteFile(repoFile, 0644); err != nil { return err } } localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath) if fi, err := os.Stat(localRepoIndexFile); err != nil { fmt.Fprintf(out, "Creating %s \n", localRepoIndexFile) i := repo.NewIndexFile() if err := i.WriteFile(localRepoIndexFile, 0644); err != nil { return err } //TODO: take this out and replace with helm update functionality os.Symlink(localRepoIndexFile, home.CacheIndex("local")) } else if fi.IsDir() { return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile) } fmt.Fprintf(out, "$HELM_HOME has been configured at %s.\n", helmHome) return nil }
// 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 }