Adding ingress example

Author: urao

BGPaaS/README.md

@@ -0,0 +1,129 @@
+# Service creation using service type Ingress controller
+
+* Deploy nginx ingress controller
+
+```
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.3.1/deploy/static/provider/cloud/deploy.yaml
+```
+
+```
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nserver1-deploy
+spec:
+  selector:
+    matchLabels:
+      app: nserver1
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nserver1
+    spec:
+      containers:
+      - name: server1
+        #image: svl-artifactory.juniper.net/atom_virtual_docker/nginxinc/nginx-unprivileged
+        image: docker.io/nginx
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 80
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nserver1-svc
+spec:
+  ports:
+  - name: http
+    port: 80
+    protocol: TCP
+    targetPort: 80
+  selector:
+    app: nserver1
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nserver2-deploy
+spec:
+  selector:
+    matchLabels:
+      app: nserver2
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: nserver2
+    spec:
+      containers:
+      - name: server2
+        image: docker.io/nginx
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 80
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nserver2-svc
+spec:
+  ports:
+  - name: http
+    port: 80
+    protocol: TCP
+    targetPort: 80
+  selector:
+    app: nserver2
+```
+
+```
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: nserver-ingress
+  annotations:
+    kubernetes.io/ingress.class: nginx
+spec:
+  rules:
+  - host: www.server1.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: nserver1-svc
+            port:
+              number: 80
+  - host: www.server2.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: nserver2-svc
+            port:
+              number: 80
+```
+
+
+
+```
+root@cn2masternode:~/clusterip# k get ingress -A
+NAMESPACE   NAME              CLASS    HOSTS                             ADDRESS        PORTS   AGE
+default     nserver-ingress   <none>   www.server1.com,www.server2.com   172.16.80.35   80      21m
+```
+
+* Check connectivity using:
+      curl <172.16.80.35>:80
+      curl --header "Host:www.server2.com" http://172.16.80.35:80*
+      curl --header "Host:www.server1.com" http://172.16.80.35:80*
+
+## References
+```
+https://kubernetes.github.io/ingress-nginx/deploy/
+```

KubeVirt/DataVolume/README.md

@@ -8,6 +8,7 @@ kubectl get iip -A
 kubectl get fip -A
 kubectl describe fip/contrail-k8s-kubemanager-cn2-cluster-local-nginx-svc-f900a9b4
 kubectl get vmi -n svc-ns
+kubectl get ingress -A
 ```
 
 * Debug commands same as classic contrail via introspect