Set Up an Ingress Controller in OKE Cluster


Here a recipe to create a ingresscontroller.

Step 1: setting up the nginx ingress controller

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/mandatory.yaml

Step 2: exposing the ingress as a service of type LoadBalancer (as a public IP)

kubectl apply -f https://raw.githubusercontent.com/javiermugueta/rawcontent/master/cloud-generic.yaml

Step 3: Execute this command several times until the external-ip appears as non <pending>, grab the IP for later testing

kubectl get svc -n ingress-nginx

Step 4: a certificate for ssl termination

openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout tls.key -out tls.crt -subj "/CN=nginxsvc/O=nginxsvc"


kubectl create secret tls tls-secret --key tls.key --cert tls.crtopenssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout tls.key -out tls.crt -subj "/CN=nginxsvc/O=nginxsvc"

Step 5

kubectl create -f https://raw.githubusercontent.com/javiermugueta/rawcontent/master/hello-world-ingress.yaml

Step 6: A typical hello world deployment with a pod in it and 3 replicas

kubectl create -f https://raw.githubusercontent.com/javiermugueta/rawcontent/master/ingress.yaml

Step 7: Test the url and see what happens…

That’s all folks! Hope it helps 🙂

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