OKE Ingress Controller

cloud-generic.yaml

kind: Service
apiVersion: v1
metadata:
  name: ingress-nginx
  namespace: ingress-nginx
  labels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
spec:
  type: LoadBalancer
  selector:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
  ports:
    - name: http
      port: 80
      targetPort: http
    - name: https
      port: 443
      targetPort: https

hello.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
  labels:
    app: hello
spec:
  selector:
    matchLabels:
      app: hello
  replicas: 3
  template:
    metadata:
      labels:
        app: hello
    spec:
      containers:
      - name: hello
        image: scottsbaldwin/docker-hello-world:latest
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: hello-svc
spec:
  selector:
    app: hello
  ports:
    - port: 8088
      targetPort: 80
  type: ClusterIP

ingress.yaml

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: hello-ing
  annotations:
    kubernetes.io/ingress.class: "nginx"
spec:
  rules:
  - http:
      paths:
      - backend:
          serviceName: hello-svc
          servicePort: 8088

kubectl_commands.sh

kubectl create clusterrolebinding victor_cluster_admin --clusterrole=cluster-admin --user=<user-OCID>
# clusterrolebinding.rbac.authorization.k8s.io/victor_cluster_admin created

$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.30.0/deploy/static/mandatory.yaml
# namespace/ingress-nginx created
# configmap/nginx-configuration created
# configmap/tcp-services created
# configmap/udp-services created
# serviceaccount/nginx-ingress-serviceaccount created
# clusterrole.rbac.authorization.k8s.io/nginx-ingress-clusterrole created
# role.rbac.authorization.k8s.io/nginx-ingress-role created
# rolebinding.rbac.authorization.k8s.io/nginx-ingress-role-nisa-binding created
# clusterrolebinding.rbac.authorization.k8s.io/nginx-ingress-clusterrole-nisa-binding created
# deployment.apps/nginx-ingress-controller created
# limitrange/ingress-nginx created

# create cloud-generic.yaml (in this gist) and execute
kubectl apply -f cloud-generic.yaml
# service/ingress-nginx created

# check services
kubectl get svc -n ingress-nginx
# NAME            TYPE           CLUSTER-IP      EXTERNAL-IP      PORT(S)                      AGE
# ingress-nginx   LoadBalancer   10.96.156.115   133.153.34.123   80:32573/TCP,443:30002/TCP   62s

# create hello.yaml (in this gist) and execute
kubectl create -f hello.yaml
# deployment.apps/hello created
# service/hello-svc created

# create ingress.yaml (in this gist) and execute
kubectl create -f ingress.yaml
# ingress.networking.k8s.io/hello-ing created

# test with cURL
curl 133.153.34.123
# <h1>Hello webhook world from: hello-66487478d7-5ldbp</h1>