Parse Interface ID from serviceAttachmentNames for GCP

Author: fabritsius

pkg/controller/atlasproject/private_endpoint.go

@@ -3,6 +3,7 @@ package atlasproject
 import (
 	"context"
 	"errors"
+	"regexp"
 
 	"go.mongodb.org/atlas/mongodbatlas"
 
@@ -178,13 +179,27 @@ func (a atlasPE) InterfaceEndpointID() string {
 		return a.PrivateEndpoints[0]
 	}
 
-	if len(a.EndpointGroupNames) != 0 {
-		return a.EndpointGroupNames[0]
+	if len(a.ServiceAttachmentNames) != 0 {
+		return parseInterfaceIDForGCP(a.ServiceAttachmentNames)
 	}
 
 	return ""
 }
 
+func parseInterfaceIDForGCP(serviceAttachmentNames []string) string {
+	if len(serviceAttachmentNames) < 1 {
+		return ""
+	}
+
+	expr := regexp.MustCompile(`(\w+)-\d$`)
+	matches := expr.FindStringSubmatch(serviceAttachmentNames[0])
+	if len(matches) < 2 {
+		return ""
+	}
+
+	return matches[1]
+}
+
 func getAllPrivateEndpoints(client mongodbatlas.Client, projectID string) (result []atlasPE, err error) {
 	providers := []string{"AWS", "AZURE", "GCP"}
 	for _, provider := range providers {