Merge pull request #9980 from schra/feat/password-stdin

feat(helm): add --password-stdin to `helm repo add`

cmd/helm/repo_add.go

@@ -48,6 +48,7 @@ type repoAddOptions struct {
 	url                  string
 	username             string
 	password             string
+	passwordFromStdinOpt bool
 	passCredentialsAll   bool
 	forceUpdate          bool
 	allowDeprecatedRepos bool
@@ -85,6 +86,7 @@ func newRepoAddCmd(out io.Writer) *cobra.Command {
 	f := cmd.Flags()
 	f.StringVar(&o.username, "username", "", "chart repository username")
 	f.StringVar(&o.password, "password", "", "chart repository password")
+	f.BoolVarP(&o.passwordFromStdinOpt, "password-stdin", "", false, "read chart repository password from stdin")
 	f.BoolVar(&o.forceUpdate, "force-update", false, "replace (overwrite) the repo if it already exists")
 	f.BoolVar(&o.deprecatedNoUpdate, "no-update", false, "Ignored. Formerly, it would disabled forced updates. It is deprecated by force-update.")
 	f.StringVar(&o.certFile, "cert-file", "", "identify HTTPS client using this SSL certificate file")
@@ -143,6 +145,15 @@ func (o *repoAddOptions) run(out io.Writer) error {
 	}
 
 	if o.username != "" && o.password == "" {
+		if o.passwordFromStdinOpt {
+			passwordFromStdin, err := io.ReadAll(os.Stdin)
+			if err != nil {
+				return err
+			}
+			password := strings.TrimSuffix(string(passwordFromStdin), "\n")
+			password = strings.TrimSuffix(password, "\r")
+			o.password = password
+		} else {
 			fd := int(os.Stdin.Fd())
 			fmt.Fprint(out, "Password: ")
 			password, err := term.ReadPassword(fd)
@@ -152,6 +163,7 @@ func (o *repoAddOptions) run(out io.Writer) error {
 			}
 			o.password = string(password)
 		}
+	}
 
 	c := repo.Entry{
 		Name:                  o.name,

cmd/helm/repo_add_test.go

@@ -21,6 +21,7 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"strings"
 	"sync"
 	"testing"
 
@@ -204,3 +205,33 @@ func TestRepoAddFileCompletion(t *testing.T) {
 	checkFileCompletion(t, "repo add reponame", false)
 	checkFileCompletion(t, "repo add reponame https://example.com", false)
 }
+
+func TestRepoAddWithPasswordFromStdin(t *testing.T) {
+	srv := repotest.NewTempServerWithCleanupAndBasicAuth(t, "testdata/testserver/*.*")
+	defer srv.Stop()
+
+	defer resetEnv()()
+
+	in, err := os.Open("testdata/password")
+	if err != nil {
+		t.Errorf("unexpected error, got '%v'", err)
+	}
+
+	tmpdir := ensure.TempDir(t)
+	repoFile := filepath.Join(tmpdir, "repositories.yaml")
+
+	store := storageFixture()
+
+	const testName = "test-name"
+	const username = "username"
+	cmd := fmt.Sprintf("repo add %s %s --repository-config %s --repository-cache %s --username %s --password-stdin", testName, srv.URL(), repoFile, tmpdir, username)
+	var result string
+	_, result, err = executeActionCommandStdinC(store, in, cmd)
+	if err != nil {
+		t.Errorf("unexpected error, got '%v'", err)
+	}
+
+	if !strings.Contains(result, fmt.Sprintf("\"%s\" has been added to your repositories", testName)) {
+		t.Errorf("Repo was not successfully added. Output: %s", result)
+	}
+}

cmd/helm/testdata/password

@@ -0,0 +1 @@
+password

pkg/downloader/chart_downloader_test.go

@@ -16,7 +16,6 @@ limitations under the License.
 package downloader
 
 import (
-	"net/http"
 	"os"
 	"path/filepath"
 	"testing"
@@ -171,19 +170,7 @@ func TestIsTar(t *testing.T) {
 }
 
 func TestDownloadTo(t *testing.T) {
-	// Set up a fake repo with basic auth enabled
-	srv, err := repotest.NewTempServerWithCleanup(t, "testdata/*.tgz*")
-	srv.Stop()
-	if err != nil {
-		t.Fatal(err)
-	}
-	srv.WithMiddleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		username, password, ok := r.BasicAuth()
-		if !ok || username != "username" || password != "password" {
-			t.Errorf("Expected request to use basic auth and for username == 'username' and password == 'password', got '%v', '%s', '%s'", ok, username, password)
-		}
-	}))
-	srv.Start()
+	srv := repotest.NewTempServerWithCleanupAndBasicAuth(t, "testdata/*.tgz*")
 	defer srv.Stop()
 	if err := srv.CreateIndex(); err != nil {
 		t.Fatal(err)

pkg/repo/repotest/server.go

@@ -56,6 +56,23 @@ func NewTempServerWithCleanup(t *testing.T, glob string) (*Server, error) {
 	return srv, err
 }
 
+// Set up a fake repo with basic auth enabled
+func NewTempServerWithCleanupAndBasicAuth(t *testing.T, glob string) *Server {
+	srv, err := NewTempServerWithCleanup(t, glob)
+	srv.Stop()
+	if err != nil {
+		t.Fatal(err)
+	}
+	srv.WithMiddleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		username, password, ok := r.BasicAuth()
+		if !ok || username != "username" || password != "password" {
+			t.Errorf("Expected request to use basic auth and for username == 'username' and password == 'password', got '%v', '%s', '%s'", ok, username, password)
+		}
+	}))
+	srv.Start()
+	return srv
+}
+
 type OCIServer struct {
 	*registry.Registry
 	RegistryURL  string