[release-1.12] Add localhost registry to the set avoiding tag resolution as a workaround for #467 (#469)

* Add localhost registry to the set avoiding tag resolution as a workaround for #467

* Update comment per suggestion by rhuss@

---------

Co-authored-by: Evan Anderson <[email protected]>

Author: knative-prow-robot

pkg/install/install.go

@@ -82,7 +82,7 @@ spec:
 	fmt.Println("    Kourier service installed...")
 
 	domainDns := exec.Command("kubectl", "patch", "configmap", "-n", "knative-serving", "config-domain", "-p", "{\"data\": {\"127.0.0.1.sslip.io\": \"\"}}")
-	if err := domainDns.Run(); err != nil {
+	if err := runCommand(domainDns); err != nil {
 		return fmt.Errorf("domain dns: %w", err)
 	}
 	fmt.Println("    Domain DNS set up...")
@@ -109,7 +109,7 @@ func KourierMinikube() error {
 }
 
 // Serving installs Knative Serving from Github YAML files
-func Serving() error {
+func Serving(registries string) error {
 	fmt.Println("🍿 Installing Knative Serving v" + ServingVersion + " ...")
 	baseURL := "https://github.com/knative/serving/releases/download/knative-v" + ServingVersion
 
@@ -132,6 +132,15 @@ func Serving() error {
 
 	fmt.Println("    Core installed...")
 
+	if registries != "" {
+		configPatch := fmt.Sprintf(`{"data":{"registries-skipping-tag-resolving":"%s"}}`, registries)
+		ignoreRegistry := exec.Command("kubectl", "patch", "configmap", "-n", "knative-serving", "config-deployment", "-p", configPatch)
+		if err := runCommand(ignoreRegistry); err != nil {
+			return fmt.Errorf("tag resolving configuration: %w", err)
+		}
+		fmt.Println("    Enabled local registry deployment...")
+	}
+
 	fmt.Println("    Finished installing Knative Serving")
 
 	return nil

pkg/kind/kind.go

@@ -65,7 +65,14 @@ func SetUp(name, kVersion string, installServing, installEventing, installKindRe
 	}
 	if installKnative {
 		if installServing {
-			if err := install.Serving(); err != nil {
+			// Disable tag resolution for localhost registry, since there's no
+			// way to redirect Knative Serving to use the kind-registry name.
+			// See https://github.com/knative-extensions/kn-plugin-quickstart/issues/467
+			registries := ""
+			if installKindRegistry {
+				registries = fmt.Sprintf("localhost:%s", container_reg_port)
+			}
+			if err := install.Serving(registries); err != nil {
 				return fmt.Errorf("install serving: %w", err)
 			}
 			if err := install.Kourier(); err != nil {

pkg/minikube/minikube.go

@@ -69,7 +69,7 @@ func SetUp(name, kVersion string, installServing, installEventing bool) error {
 	fmt.Scanln()
 	if installKnative {
 		if installServing {
-			if err := install.Serving(); err != nil {
+			if err := install.Serving(""); err != nil {
 				return fmt.Errorf("install serving: %w", err)
 			}
 			if err := install.Kourier(); err != nil {