Installing the Nginx Ingress Controller via Helm to a K8s cluster with RBAC enabled

A lot of posts describe how to do this, but are fairly outdated, and do not mention the last supported K8s version. Here’s a tried and tested way to do so via Helm. This has been tested on GKE, with the Kubernetes master version 1.9.7-gke.6:

1. 1. Create the service account for Tiller – the Helm server

      $ kubectl create serviceaccount --namespace kube-system tiller

   2. Create the cluster role

      $ kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kibe-system:tiller

   3. Apply the RBAC role
      1. Create tiller.yml with the following content

         kind: ClusterRoleBinding
         apiVersion: rbac.authorization.k8s.io/v1beta1
         metadata:
           name: tiller-clusterrolebinding
         subjects:
         - kind: ServiceAccount
           name: tiller
           namespace: kube-system
         roleRef:
           kind: ClusterRole
           name: cluster-admin
           apiGroup: ""

      2. Apply this

         $ kubectl create -f tiller.yaml
         
         

   4. Initialise Helm

      helm init --service-account tiller --upgrade

   5. Wait until the tiller-deploy service is running

      $ while ! kubectl get pod -n kube-system | grep tiller-deploy | grep Running &> /dev/null; do
        echo "Waiting for the tiller-deploy pod to be ready..."
        sleep 1
      done

   6. Install the Nginx Ingress Controller

      helm install --name nginx-ingress stable/nginx-ingress --set rbac.create=true

   7. Have fun!

Inspired from Bitnami.

Read the ongoing issue here.