NGINX Ingress Controller

wikipedia:NGINX Ingress Controller

• https://docs.nginx.com/nginx-ingress-controller/
• https://github.com/nginxinc/kubernetes-ingress

• SSL/TLS termination
• URL rewrites
• WebSockets support

• Ingress NGINX Controller
• helm install nginx-ingress

kubectl get ingress
kubectl get ingressclass
kubectl logs -n nginx-ingress nginx-ingress-controller-XXX

Official repo

git clone https://github.com/nginxinc/kubernetes-ingress.git
cd kubernetes-ingress/deployments/
kubectl apply -f common/ns-and-sa.yaml
kubectl apply -f common/default-server-secret.yaml
kubectl apply -f common/ingress-class.yaml   # https://docs.nginx.com/nginx-ingress-controller/installation/installation-with-manifests/#create-common-resources
kubectl apply -f common/crds/
kubectl apply -f ../../contrib/helm/aws/aws-ingress-nginx-config.yaml
kubectl apply -f rbac/rbac.yaml
kubectl apply -f deployment/nginx-ingress.yaml
kubectl apply -f service/loadbalancer-aws-elb.yaml

kubectl get roles -A
.../...
ingress-nginx                         ingress-nginx                                    2022-07-18T10:28:37Z
.../...

Events

 ingress-nginx   53m         Normal    UpdatedLoadBalancer       service/nginx-ingress-controller                        Updated load balancer with new hosts
ingress-nginx   54m         Warning   UnAvailableLoadBalancer   service/nginx-ingress-controller                        There are no available nodes for LoadBalancer

Activities

• Read Installing Kubernetes NGINX Ingress controller using manifests: https://docs.nginx.com/nginx-ingress-controller/installation/installation-with-manifests/
• Read AWS document about How do I provide external access to multiple Kubernetes services in my Amazon EKS cluster?: https://aws.amazon.com/premiumsupport/knowledge-center/eks-access-kubernetes-services/
• Exposing TCP and UDP services
• Ingress-nginx-controller: activating debug: k edit deploy -n nginx-ingress

Related

• CVE-2021-25742 ingress-nginx
• AWS ALB Ingress controller
• kubectl create service externalname
• ingress-nginx-controller
• kubectl krew install ingress-nginx
• nginx-ingress-controller
• kind: Ingress
• Kubectl describe pods -n nginx-ingress

See also

• kind: Ingress, nginx.ingress.kubernetes.io, networking.k8s.io/[v1Beta,v1 ], extensions/v1beta1, ingress.spec.rules, kubectl apply -f ingress.yaml, spec.tls, ingressClassName
• NGINX Ingress Controller: ConfigMap ingress-nginx, UnAvailableLoadBalancer, UpdatedLoadBalancer, ingress-nginx-controller, ingress-nginx-controller-controller-admission, nginx.org/ingress-controller