Add timeout flag to repo add and update flags

Backport of #30900 to v3.
(cherry picked from commit d448cf1943)

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

cmd/helm/repo_add.go

@@ -51,6 +51,7 @@ type repoAddOptions struct {
 	passCredentialsAll   bool
 	forceUpdate          bool
 	allowDeprecatedRepos bool
+	timeout              time.Duration
 
 	certFile              string
 	keyFile               string
@@ -99,6 +100,7 @@ func newRepoAddCmd(out io.Writer) *cobra.Command {
 	f.BoolVar(&o.insecureSkipTLSverify, "insecure-skip-tls-verify", false, "skip tls certificate checks for the repository")
 	f.BoolVar(&o.allowDeprecatedRepos, "allow-deprecated-repos", false, "by default, this command will not allow adding official repos that have been permanently deleted. This disables that behavior")
 	f.BoolVar(&o.passCredentialsAll, "pass-credentials", false, "pass credentials to all domains")
+	f.DurationVar(&o.timeout, "timeout", getter.DefaultHTTPTimeout*time.Second, "time to wait for the index file download to complete")
 
 	return cmd
 }
@@ -203,7 +205,7 @@ func (o *repoAddOptions) run(out io.Writer) error {
 		return nil
 	}
 
-	r, err := repo.NewChartRepository(&c, getter.All(settings))
+	r, err := repo.NewChartRepository(&c, getter.All(settings, getter.WithTimeout(o.timeout)))
 	if err != nil {
 		return err
 	}

cmd/helm/repo_update.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"io"
 	"sync"
+	"time"
 
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -45,6 +46,7 @@ type repoUpdateOptions struct {
 	repoFile             string
 	repoCache            string
 	names                []string
+	timeout              time.Duration
 	failOnRepoUpdateFail bool
 }
 
@@ -69,6 +71,7 @@ func newRepoUpdateCmd(out io.Writer) *cobra.Command {
 	}
 
 	f := cmd.Flags()
+	f.DurationVar(&o.timeout, "timeout", getter.DefaultHTTPTimeout*time.Second, "time to wait for the index file download to complete")
 
 	// Adding this flag for Helm 3 as stop gap functionality for https://github.com/helm/helm/issues/10016.
 	// This should be deprecated in Helm 4 by update to the behaviour of `helm repo update` command.
@@ -100,7 +103,7 @@ func (o *repoUpdateOptions) run(out io.Writer) error {
 
 	for _, cfg := range f.Repositories {
 		if updateAllRepos || isRepoRequested(cfg.Name, o.names) {
-			r, err := repo.NewChartRepository(cfg, getter.All(settings))
+			r, err := repo.NewChartRepository(cfg, getter.All(settings, getter.WithTimeout(o.timeout)))
 			if err != nil {
 				return err
 			}

pkg/getter/getter.go

@@ -196,24 +196,32 @@ const (
 
 var defaultOptions = []Option{WithTimeout(time.Second * DefaultHTTPTimeout)}
 
-var httpProvider = Provider{
-	Schemes: []string{"http", "https"},
-	New: func(options ...Option) (Getter, error) {
-		options = append(options, defaultOptions...)
-		return NewHTTPGetter(options...)
-	},
-}
-
-var ociProvider = Provider{
-	Schemes: []string{registry.OCIScheme},
-	New:     NewOCIGetter,
+func Getters(extraOpts ...Option) Providers {
+	return Providers{
+		Provider{
+			Schemes: []string{"http", "https"},
+			New: func(options ...Option) (Getter, error) {
+				options = append(options, defaultOptions...)
+				options = append(options, extraOpts...)
+				return NewHTTPGetter(options...)
+			},
+		},
+		Provider{
+			Schemes: []string{registry.OCIScheme},
+			New: func(options ...Option) (Getter, error) {
+				options = append(options, defaultOptions...)
+				options = append(options, extraOpts...)
+				return NewOCIGetter(options...)
+			},
+		},
+	}
 }
 
 // All finds all of the registered getters as a list of Provider instances.
 // Currently, the built-in getters and the discovered plugins with downloader
 // notations are collected.
-func All(settings *cli.EnvSettings) Providers {
-	result := Providers{httpProvider, ociProvider}
+func All(settings *cli.EnvSettings, opts ...Option) Providers {
+	result := Getters(opts...)
 	pluginDownloaders, _ := collectPlugins(settings)
 	result = append(result, pluginDownloaders...)
 	return result

pkg/getter/getter_test.go

@@ -17,6 +17,7 @@ package getter
 
 import (
 	"testing"
+	"time"
 
 	"helm.sh/helm/v3/pkg/cli"
 )
@@ -52,6 +53,23 @@ func TestProviders(t *testing.T) {
 	}
 }
 
+func TestProvidersWithTimeout(t *testing.T) {
+	want := time.Hour
+	getters := Getters(WithTimeout(want))
+	getter, err := getters.ByScheme("http")
+	if err != nil {
+		t.Error(err)
+	}
+	client, err := getter.(*HTTPGetter).httpClient()
+	if err != nil {
+		t.Error(err)
+	}
+	got := client.Timeout
+	if got != want {
+		t.Errorf("Expected %q, got %q", want, got)
+	}
+}
+
 func TestAll(t *testing.T) {
 	env := cli.New()
 	env.PluginsDirectory = pluginDir