expose am cluster port via udp as well

Author: soerenschneider

apps/monitoring/alertmanager/networkpolicy.yaml

@@ -26,3 +26,5 @@ spec:
     - ports:
         - protocol: TCP
           port: 9094
+        - protocol: UDP
+          port: 9094

apps/monitoring/alertmanager/service.yaml

@@ -15,3 +15,16 @@ spec:
       name: "am-cluster"
   selector:
     app.kubernetes.io/name: "alertmanager"
+---
+apiVersion: "v1"
+kind: "Service"
+metadata:
+  name: "alertmanager-cluster-udp"
+spec:
+  ports:
+    - port: 9094
+      protocol: "UDP"
+      targetPort: "am-cluster"
+      name: "am-cluster"
+  selector:
+    app.kubernetes.io/name: "alertmanager"

apps/monitoring/alertmanager/statefulset.yaml

@@ -56,7 +56,10 @@ spec:
             - containerPort: 9093
               name: "alertmanager"
             - containerPort: 9094
+              protocol: "TCP"
               name: "am-cluster"
+            - containerPort: 9094
+              protocol: "UDP"
           livenessProbe:
             failureThreshold: 10
             httpGet: