Add gcrurl env var to addon deployment and configuration

Author: Teddy-Schmitz

Diff for: cmd/minikube/cmd/config/configure.go

@@ -52,6 +52,7 @@ var addonsConfigureCmd = &cobra.Command{
 			dockerServer := "changeme"
 			dockerUser := "changeme"
 			dockerPass := "changeme"
+			gcrURL := "https://gcr.io"
 
 			enableAWSECR := AskForYesNoConfirmation("\nDo you want to enable AWS Elastic Container Registry?", posResponses, negResponses)
 			if enableAWSECR {
@@ -64,6 +65,11 @@ var addonsConfigureCmd = &cobra.Command{
 			enableGCR := AskForYesNoConfirmation("\nDo you want to enable Google Container Registry?", posResponses, negResponses)
 			if enableGCR {
 				gcrPath := AskForStaticValue("-- Enter path to credentials (e.g. /home/user/.config/gcloud/application_default_credentials.json):")
+				gcrchangeURL := AskForYesNoConfirmation("-- Do you want to change the GCR URL (Default https://gcr.io)?", posResponses, negResponses)
+
+				if gcrchangeURL {
+					gcrURL = AskForStaticValue("-- Enter GCR URL (e.g. https://asia.gcr.io):")
+				}
 
 				// Read file from disk
 				dat, err := ioutil.ReadFile(gcrPath)
@@ -108,6 +114,7 @@ var addonsConfigureCmd = &cobra.Command{
 				"registry-creds-gcr",
 				map[string]string{
 					"application_default_credentials.json": gcrApplicationDefaultCredentials,
+					"gcrurl": gcrURL,
 				},
 				map[string]string{
 					"app":   "registry-creds",

Diff for: deploy/addons/registry-creds/registry-creds-rc.yaml

@@ -60,6 +60,11 @@ spec:
               secretKeyRef:
                 name: registry-creds-dpr
                 key: DOCKER_PRIVATE_REGISTRY_USER
+          - name: gcrurl
+            valueFrom:
+              secretKeyRef:
+                name: registry-creds-gcr
+                key: gcrurl
         volumeMounts:
         - name: gcr-creds
           mountPath: "/root/.config/gcloud"
@@ -68,3 +73,7 @@ spec:
       - name: gcr-creds
         secret:
           secretName: registry-creds-gcr
+          items:
+            - key: "application_default_credentials.json"
+              path: "application_default_credentials.json"
+