Linked services: add label to resulting ExternalName Service (#1529)

Signed-off-by: Grant Linville <[email protected]>

Author: g-linville

pkg/controller/appdefinition/testdata/depends-ready/expected.yaml.d/service.yaml

@@ -12,3 +12,5 @@ spec:
   external: foo
   appName: app-name
   appNamespace: app-namespace
+  labels:
+    acorn.io/link-name: foo

pkg/controller/appdefinition/testdata/depends/expected.yaml.d/service.yaml

@@ -12,3 +12,5 @@ spec:
   appName: app-name
   appNamespace: app-namespace
   external: foo
+  labels:
+    acorn.io/link-name: foo

pkg/controller/appdefinition/testdata/link/expected.yaml.d/service.yaml

@@ -12,3 +12,5 @@ spec:
   appName: app-name
   appNamespace: app-namespace
   external: con-link
+  labels:
+    acorn.io/link-name: con-link

pkg/services/acorn.go

@@ -187,6 +187,9 @@ func forLinkedServices(app *v1.AppInstance) (result []kclient.Object) {
 				PublishMode:  publishMode(app),
 				Publish:      ports2.PortPublishForService(link.Target, app.Spec.Publish),
 				External:     link.Service,
+				Labels: map[string]string{
+					labels.AcornLinkName: link.Service,
+				},
 			},
 		}
 		result = append(result, newService)