Updating Ingress docs for 1.19

Co-authored-by: robscott <robertjscott@google.com>

content/en/examples/service/networking/external-lb.yaml

@@ -0,0 +1,10 @@
+apiVersion: networking.k8s.io/v1
+kind: IngressClass
+metadata:
+  name: external-lb
+spec:
+  controller: example.com/ingress-controller
+  parameters:
+    apiGroup: k8s.example.com
+    kind: IngressParameters
+    name: external-lb

content/en/examples/service/networking/ingress.yaml

@@ -1,9 +0,0 @@
-apiVersion: networking.k8s.io/v1beta1
-kind: Ingress
-metadata:
-  name: test-ingress
-spec:
-  backend:
-    serviceName: testsvc
-    servicePort: 80
-

content/en/examples/service/networking/minimal-ingress.yaml

@@ -0,0 +1,17 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: minimal-ingress
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /testpath
+        pathType: Prefix
+        backend:
+          service:
+            name: test
+            port:
+              number: 80

content/en/examples/service/networking/name-virtual-host-ingress-no-third-host.yaml

@@ -0,0 +1,35 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: name-virtual-host-ingress-no-third-host
+spec:
+  rules:
+  - host: first.bar.com
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: service1
+            port:
+              number: 80
+  - host: second.bar.com
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: service2
+            port:
+              number: 80
+  - http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: service3
+            port:
+              number: 80

content/en/examples/service/networking/name-virtual-host-ingress.yaml

@@ -0,0 +1,26 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: name-virtual-host-ingress
+spec:
+  rules:
+  - host: foo.bar.com
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: service1
+            port:
+              number: 80
+  - host: bar.foo.com
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: service2
+            port:
+              number: 80

content/en/examples/service/networking/simple-fanout-example.yaml

@@ -0,0 +1,23 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: simple-fanout-example
+spec:
+  rules:
+  - host: foo.bar.com
+    http:
+      paths:
+      - path: /foo
+        pathType: Prefix
+        backend:
+          service:
+            name: service1
+            port:
+              number: 4200
+      - path: /bar
+        pathType: Prefix
+        backend:
+          service:
+            name: service2
+            port:
+              number: 8080

content/en/examples/service/networking/test-ingress.yaml

@@ -0,0 +1,10 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: test-ingress
+spec:
+  defaultBackend:
+    service:
+      name: test
+      port:
+        number: 80

content/en/examples/service/networking/tls-example-ingress.yaml

@@ -0,0 +1,20 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: tls-example-ingress
+spec:
+  tls:
+  - hosts:
+      - https-example.foo.com
+    secretName: testsecret-tls
+  rules:
+  - host: https-example.foo.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: service1
+            port:
+              number: 80