Add ability to setup virtual ip for ingress-controller (#5044)

inventory/sample/group_vars/k8s-cluster/addons.yml

@@ -80,6 +80,7 @@ rbd_provisioner_enabled: false
 # Nginx ingress controller deployment
 ingress_nginx_enabled: false
 # ingress_nginx_host_network: false
+ingress_publish_status_address: ""
 # ingress_nginx_nodeselector:
 #   beta.kubernetes.io/os: "linux"
 # ingress_nginx_tolerations:

roles/kubernetes-apps/ingress_controller/ingress_nginx/defaults/main.yml

 ---
 ingress_nginx_namespace: "ingress-nginx"
 ingress_nginx_host_network: false
+ingress_publish_status_address: ""
 ingress_nginx_nodeselector:
   beta.kubernetes.io/os: "linux"
 ingress_nginx_tolerations: []

roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/ds-ingress-nginx-controller.yml.j2

@@ -47,6 +47,9 @@ spec:
             - --annotations-prefix=nginx.ingress.kubernetes.io
 {% if ingress_nginx_host_network %}
             - --report-node-internal-ip-address
+{% endif %}
+{% if ingress_publish_status_address != "" %}
+            - --publish-status-address={{ ingress_publish_status_address }}
 {% endif %}
           securityContext:
             capabilities: