Set ingress-nginx default terminationGracePeriodSeconds to 5 min (#8252)

* set ingress-nginx default terminationGracePeriodSeconds to 5 min for the drain of connection

* Add ingress_nginx_termination_grace_period_seconds at sample inventory

inventory/sample/group_vars/k8s_cluster/addons.yml

@@ -116,6 +116,7 @@ ingress_publish_status_address: ""
 #   53: "kube-system/coredns:53"
 # ingress_nginx_extra_args:
 #   - --default-ssl-certificate=default/foo-tls
+# ingress_nginx_termination_grace_period_seconds: 300
 # ingress_nginx_class: nginx
 
 # ALB ingress controller deployment

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

@@ -12,4 +12,5 @@ ingress_nginx_configmap: {}
 ingress_nginx_configmap_tcp_services: {}
 ingress_nginx_configmap_udp_services: {}
 ingress_nginx_extra_args: []
+ingress_nginx_termination_grace_period_seconds: 300
 # ingress_nginx_class: nginx

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

@@ -22,6 +22,7 @@ spec:
         prometheus.io/scrape: "true"
     spec:
       serviceAccountName: ingress-nginx
+      terminationGracePeriodSeconds: {{ ingress_nginx_termination_grace_period_seconds }}
 {% if ingress_nginx_host_network %}
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet