Download runtime from Artifact Registry for all languages runtimes

PiperOrigin-RevId: 585693356
Change-Id: I8d70dd253ed0f8cffcfe0426fe72a5cfc6df4cdd

pkg/runtime/install.go

@@ -185,7 +185,7 @@ func InstallTarballIfNotCached(ctx *gcp.Context, runtime InstallableRuntime, ver
 		stripComponents = 1
 	}
 	region, present := os.LookupEnv(env.RuntimeImageRegion)
-	if present && (runtime == Python || runtime == Nodejs) {
+	if present {
 		url := runtimeImageURL(runtime, osName, version, region)
 		fallbackURL := runtimeImageURL(runtime, osName, version, fallbackRegion)
 		if err := fetch.ARImage(url, fallbackURL, layer.Path, stripComponents, ctx); err != nil {
@@ -294,7 +294,7 @@ func ResolveVersion(runtime InstallableRuntime, verConstraint, osName string) (s
 	var versions []string
 	var err error
 	region, present := os.LookupEnv(env.RuntimeImageRegion)
-	if present && (runtime == Python || runtime == Nodejs) {
+	if present {
 		versions, err = crane.ListTags(fmt.Sprintf(runtimeImageARRepoURL, region, osName, runtime))
 	} else {
 		err = fetch.JSON(url, &versions)

pkg/runtime/install_test.go

@@ -246,7 +246,15 @@ func TestInstallSource(t *testing.T) {
 			wantError:          false,
 			wantAR:             true,
 		},
-
+		{
+			name:               "install from artifact registry",
+			runtime:            OpenJDK,
+			version:            "17.1.0",
+			responseFile:       "testdata/dummy-ruby-runtime.tar.gz",
+			runtimeImageRegion: "us-central1",
+			wantError:          false,
+			wantAR:             true,
+		},
 		{
 			name:         "missing runtimeImageRegion",
 			runtime:      Nodejs,