Ensure metrics port exists for nodelocaldns/nodelocaldns-second daemonsets (#11998)

- update metrics port to use port variable
- unconditionally define ports

roles/kubernetes-apps/ansible/templates/nodelocaldns-second-daemonset.yml.j2

@@ -39,6 +39,10 @@ spec:
             cpu: {{ nodelocaldns_cpu_requests }}
             memory: {{ nodelocaldns_memory_requests }}
         args: [ "-localip", "{{ nodelocaldns_ip }}", "-conf", "/etc/coredns/Corefile", "-upstreamsvc", "coredns", "-skipteardown" ]
+        ports:
+        - containerPort: {{ nodelocaldns_secondary_prometheus_port }}
+          name: metrics
+          protocol: TCP
         securityContext:
           privileged: true
 {% if nodelocaldns_bind_metrics_host_ip %}