Fixup #2970: Add Missing Label app.kubernetes.io/part-of: ingress-nginx

-    Add missing label `app.kubernetes.io/part-of: ingress-nginx` for deploy example
-    Update new labels for docs/deploy and docs/examples
-    Update new labels for test/e2e and test/manifests
-    Update new labels for images/nginx

Also close #3001

test/manifests/ingress-controller/mandatory.yaml

@@ -5,16 +5,19 @@ kind: Deployment
 metadata:
   name: default-http-backend
   labels:
-    app: default-http-backend
+    app.kubernetes.io/name: default-http-backend
+    app.kubernetes.io/part-of: ingress-nginx
 spec:
   replicas: 1
   selector:
     matchLabels:
-      app: default-http-backend
+      app.kubernetes.io/name: default-http-backend
+      app.kubernetes.io/part-of: ingress-nginx
   template:
     metadata:
       labels:
-        app: default-http-backend
+        app.kubernetes.io/name: default-http-backend
+        app.kubernetes.io/part-of: ingress-nginx
     spec:
       terminationGracePeriodSeconds: 60
       containers:
@@ -46,13 +49,15 @@ kind: Service
 metadata:
   name: default-http-backend
   labels:
-    app: default-http-backend
+    app.kubernetes.io/name: default-http-backend
+    app.kubernetes.io/part-of: ingress-nginx
 spec:
   ports:
   - port: 80
     targetPort: 8080
   selector:
-    app: default-http-backend
+    app.kubernetes.io/name: default-http-backend
+    app.kubernetes.io/part-of: ingress-nginx
 ---
 
 kind: ConfigMap
@@ -60,32 +65,44 @@ apiVersion: v1
 metadata:
   name: nginx-configuration
   labels:
-    app: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 ---
 
 kind: ConfigMap
 apiVersion: v1
 metadata:
   name: tcp-services
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 ---
 
 kind: ConfigMap
 apiVersion: v1
 metadata:
   name: udp-services
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 ---
 
 apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: nginx-ingress-serviceaccount
-
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 ---
 
 apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRole
 metadata:
   name: nginx-ingress-clusterrole
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 rules:
   - apiGroups:
       - ""
@@ -140,6 +157,9 @@ apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: Role
 metadata:
   name: nginx-ingress-role
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 rules:
   - apiGroups:
       - ""
@@ -182,6 +202,9 @@ apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: RoleBinding
 metadata:
   name: nginx-ingress-role-${NAMESPACE}
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
@@ -197,6 +220,9 @@ apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRoleBinding
 metadata:
   name: nginx-ingress-clusterrole-${NAMESPACE}
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
@@ -212,15 +238,20 @@ apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
+  labels:
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx
 spec:
   replicas: 1
   selector:
     matchLabels:
-      app: ingress-nginx
+      app.kubernetes.io/name: ingress-nginx
+      app.kubernetes.io/part-of: ingress-nginx
   template:
     metadata:
       labels:
-        app: ingress-nginx
+        app.kubernetes.io/name: ingress-nginx
+        app.kubernetes.io/part-of: ingress-nginx
       annotations:
         prometheus.io/port: '10254'
         prometheus.io/scrape: 'true'
@@ -251,6 +282,14 @@ spec:
             - --publish-service=$(POD_NAMESPACE)/ingress-nginx
             - --annotations-prefix=nginx.ingress.kubernetes.io
             - --watch-namespace=${NAMESPACE}
+          securityContext:
+            capabilities:
+                drop:
+                - ALL
+                add:
+                - NET_BIND_SERVICE
+            # www-data -> 33
+            runAsUser: 33
           env:
             - name: POD_NAME
               valueFrom:
@@ -260,14 +299,6 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.namespace
-          securityContext:
-            capabilities:
-                drop:
-                - ALL
-                add:
-                - NET_BIND_SERVICE
-            # www-data -> 33
-            runAsUser: 33
           ports:
           - name: http
             containerPort: 80

test/manifests/ingress-controller/service-nodeport.yaml

@@ -14,4 +14,5 @@ spec:
     targetPort: 443
     protocol: TCP
   selector:
-    app: ingress-nginx
+    app.kubernetes.io/name: ingress-nginx
+    app.kubernetes.io/part-of: ingress-nginx