mysql-clusters: Fix external cluster

mysql-clusters/external.yaml

@@ -11,12 +11,30 @@ spec:
 ---
 apiVersion: v1
 kind: Service
+metadata:
+  name: primary-external
+spec:
+  clusterIP: None
+---
+apiVersion: v1
+kind: Service
 metadata:
   name: external
 spec:
-  type: ExternalName
+  clusterIP: None
-  externalName: 172.20.36.1
+---
-  ports:
+kind: Endpoints
-    - name: mysql
+apiVersion: v1
-      port: 3306
+metadata:
-      protocol: TCP
+  name: primary-external
+subsets:
+  - addresses:
+      - ip: 172.20.36.1
+---
+kind: Endpoints
+apiVersion: v1
+metadata:
+  name: external
+subsets:
+  - addresses:
+      - ip: 172.20.36.1