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Installation Guide

Contents

Mandatory commands

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/namespace.yaml \
    | kubectl apply -f -

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/default-backend.yaml \
    | kubectl apply -f -

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/configmap.yaml \
    | kubectl apply -f -

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/tcp-services-configmap.yaml \
    | kubectl apply -f -

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/udp-services-configmap.yaml \
    | kubectl apply -f -

Install without RBAC roles

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/without-rbac.yaml \
    | kubectl apply -f -

Install with RBAC roles

Please check the RBAC document.

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/rbac.yaml \
    | kubectl apply -f -

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/with-rbac.yaml \
    | kubectl apply -f -

Custom Service provider

There are cloud provider specific yaml files

minikube

minikube addons enable ingress

AWS

In AWS we use an Elastic Load Balancer (ELB) to expose the NGINX Ingress controller behind a Service of Type=LoadBalancer. This setup requires to choose in wich layer (L4 or L7) we want to configure the ELB:

  • Layer 4: use TCP as the listener protocol for ports 80 and 443.
  • Layer 7: use HTTP as the listener protocol for port 80 and terminate TLS in the ELB

For L4:

kubectl apply -f provider/aws/service-l4.yaml
kubectl apply -f provider/aws/patch-configmap-l4.yaml

For L7:

Change line of the file provider/aws/service-l7.yaml replacing the dummy id with a valid one "arn:aws:acm:us-west-2:XXXXXXXX:certificate/XXXXXX-XXXXXXX-XXXXXXX-XXXXXXXX" Then execute:

kubectl apply -f provider/aws/service-l7.yaml
kubectl apply -f provider/aws/patch-configmap-l7.yaml

This example creates an ELB with just two listeners, one in port 80 and another in port 443

Listeners

If the ingress controller uses RBAC run:

kubectl apply -f provider/patch-service-with-rbac.yaml

If not run:

kubectl apply -f provider/patch-service-without-rbac.yaml

GCE - GKE

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/provider/gce-gke/service.yaml \
    | kubectl apply -f -

If the ingress controller uses RBAC run:

kubectl apply -f provider/patch-service-with-rbac.yaml

If not run:

kubectl apply -f provider/patch-service-without-rbac.yaml

Important Note: proxy protocol is not supported in GCE/GKE

Azure

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/provider/azure/service.yaml \
    | kubectl apply -f -

If the ingress controller uses RBAC run:

kubectl apply -f provider/patch-service-with-rbac.yaml

If not run:

kubectl apply -f provider/patch-service-without-rbac.yaml

Important Note: proxy protocol is not supported in GCE/GKE

Baremetal

Using NodePort:

curl https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/provider/baremetal/service-nodeport.yaml \
    | kubectl apply -f -

Using Helm

NGINX Ingress controller can be installed via Helm using the chart stable/nginx from the official charts repository. To install the chart with the release name my-nginx:

helm install stable/nginx-ingress --name my-nginx

Verify installation

To check if the ingress controller pods have started, run the following command:

kubectl get pods --all-namespaces -l app=ingress-nginx --watch

Once the operator pods are running, you can cancel the above command by typing Ctrl+C.

Now, you are ready to create your first ingress.

Detect installed version

To detect which version of the ingress controller is running, exec into the pod and run nginx-ingress-controller version command.

POD_NAMESPACE=ingress-nginx
POD_NAME=$(kubectl get pods -n $POD_NAMESPACE -l app=ingress-nginx -o jsonpath={.items[0].metadata.name})
kubectl exec -it $POD_NAME -n $POD_NAMESPACE /nginx-ingress-controller version