fix url parsing for staging/dev endpoint

pkg/cloudprovider/providers/gce/cloud/utils.go

@@ -30,10 +30,6 @@ const (
 	betaPrefix  = "https://www.googleapis.com/compute/beta/"
 )
 
-var (
-	allPrefixes = []string{gaPrefix, alphaPrefix, betaPrefix}
-)
-
 // ResourceID identifies a GCE resource as parsed from compute resource URL.
 type ResourceID struct {
 	ProjectID string
@@ -66,15 +62,10 @@ func (r *ResourceID) Equal(other *ResourceID) bool {
 func ParseResourceURL(url string) (*ResourceID, error) {
 	errNotValid := fmt.Errorf("%q is not a valid resource URL", url)
 
-	// Remove the "https://..." prefix if present
-	for _, prefix := range allPrefixes {
-		if strings.HasPrefix(url, prefix) {
-			if len(url) < len(prefix) {
-				return nil, errNotValid
-			}
-			url = url[len(prefix):]
-			break
-		}
+	// Remove the prefix up to ...projects/
+	projectsIndex := strings.Index(url, "/projects/")
+	if projectsIndex >= 0 {
+		url = url[projectsIndex+1:]
 	}
 
 	parts := strings.Split(url, "/")

pkg/cloudprovider/providers/gce/cloud/utils_test.go

@@ -55,6 +55,18 @@ func TestParseResourceURL(t *testing.T) {
 			&ResourceID{"some-gce-project", "instances", meta.ZonalKey("instance-1", "us-central1-c")},
 		},
 		{
+			"http://localhost:3990/compute/beta/projects/some-gce-project/global/operations/operation-1513289952196-56054460af5a0-b1dae0c3-9bbf9dbf",
+			&ResourceID{"some-gce-project", "operations", meta.GlobalKey("operation-1513289952196-56054460af5a0-b1dae0c3-9bbf9dbf")},
+		},
+		{
+			"http://localhost:3990/compute/alpha/projects/some-gce-project/regions/dev-central1/addresses/my-address",
+			&ResourceID{"some-gce-project", "addresses", meta.RegionalKey("my-address", "dev-central1")},
+		},
+		{
+			"http://localhost:3990/compute/v1/projects/some-gce-project/zones/dev-central1-std/instances/instance-1",
+			&ResourceID{"some-gce-project", "instances", meta.ZonalKey("instance-1", "dev-central1-std")},
+		},
+		{
 			"projects/some-gce-project",
 			&ResourceID{"some-gce-project", "projects", nil},
 		},
@@ -103,7 +115,6 @@ func TestParseResourceURL(t *testing.T) {
 		"projects/some-gce-project/global/foo/bar/baz",
 		"projects/some-gce-project/zones/us-central1-c/res",
 		"projects/some-gce-project/zones/us-central1-c/res/name/extra",
-		"https://www.googleapis.com/compute/gamma/projects/some-gce-project/global/addresses/name",
 	} {
 		r, err := ParseResourceURL(tc)
 		if err == nil {