Simple ingress-nginx example

addons/ingress-nginx/README.md

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+
+
+## Creating a simple ingress
+
+```
+kubectl run echoheaders --image=gcr.io/google_containers/echoserver:1.4 --replicas=1 --port=8080
+kubectl expose deployment echoheaders --port=80 --target-port=8080 --name=echoheaders-x
+kubectl expose deployment echoheaders --port=80 --target-port=8080 --name=echoheaders-y
+
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/contrib/master/ingress/controllers/nginx/examples/ingress.yaml
+
+kubectl get services ingress-nginx -owide
+
+NAME            CLUSTER-IP      EXTERNAL-IP                                                               PORT(S)          AGE       SELECTOR
+ingress-nginx   100.71.196.44   a29c28f4b8b0811e685cb0a924c5a8a1-1593015597.us-east-1.elb.amazonaws.com   80/TCP,443/TCP   13m       app=ingress-nginx
+
+curl -v -H "Host: bar.baz.com" http://a29c28f4b8b0811e685cb0a924c5a8a1-1593015597.us-east-1.elb.amazonaws.com/bar
+```

addons/ingress-nginx/addon.yaml

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+kind: Addons
+metadata:
+  name: kubernetes-dashboard
+spec:
+  addons:
+  - version: 1.4.0
+    selector:
+      k8s-addon: ingress-nginx.addons.k8s.io
+    manifest: v1.4.0.yaml

addons/ingress-nginx/v1.4.0.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: nginx-default-backend
+  labels:
+    k8s-addon: ingress-nginx.addons.k8s.io
+spec:
+  ports:
+  - port: 80
+    targetPort: http
+  selector:
+    app: nginx-default-backend
+
+---
+
+kind: Deployment
+apiVersion: extensions/v1beta1
+metadata:
+  name: nginx-default-backend
+  labels:
+    k8s-addon: ingress-nginx.addons.k8s.io
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        k8s-addon: ingress-nginx.addons.k8s.io
+        app: nginx-default-backend
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - name: default-http-backend
+        image: gcr.io/google_containers/defaultbackend:1.0
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 8080
+            scheme: HTTP
+          initialDelaySeconds: 30
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 10m
+            memory: 20Mi
+          requests:
+            cpu: 10m
+            memory: 20Mi
+        ports:
+        - name: http
+          containerPort: 8080
+          protocol: TCP
+
+---
+
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: ingress-nginx
+  labels:
+    k8s-addon: ingress-nginx.addons.k8s.io
+data:
+  use-proxy-protocol: "true"
+
+---
+
+kind: Service
+apiVersion: v1
+metadata:
+  name: ingress-nginx
+  labels:
+    k8s-addon: ingress-nginx.addons.k8s.io
+  annotations:
+    service.beta.kubernetes.io/aws-load-balancer-proxy-protocol: '*'
+spec:
+  type: LoadBalancer
+  selector:
+    app: ingress-nginx
+  ports:
+  - name: http
+    port: 80
+    targetPort: http
+  - name: https
+    port: 443
+    targetPort: https
+
+---
+
+kind: Deployment
+apiVersion: extensions/v1beta1
+metadata:
+  name: ingress-nginx
+  labels:
+    k8s-addon: ingress-nginx.addons.k8s.io
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: ingress-nginx
+        k8s-addon: ingress-nginx.addons.k8s.io
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - image: gcr.io/google_containers/nginx-ingress-controller:0.8.3
+        name: ingress-nginx
+        imagePullPolicy: Always
+        ports:
+          - name: http
+            containerPort: 80
+            protocol: TCP
+          - name: https
+            containerPort: 443
+            protocol: TCP
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 10249
+            scheme: HTTP
+          initialDelaySeconds: 30
+          timeoutSeconds: 5
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+        args:
+        - /nginx-ingress-controller
+        - --default-backend-service=$(POD_NAMESPACE)/nginx-default-backend
+        - --nginx-configmap=$(POD_NAMESPACE)/ingress-nginx