AWS Load Balancer controller

AWS Load Balancer Controller 2018 (formerly AWS ALB Ingress Controller) is the open-source AWS ALB Ingress controller triggers the creation of an ALB and the necessary supporting AWS resources whenever a Kubernetes user declares an Ingress resource in the cluster.

• https://docs.aws.amazon.com/eks/latest/userguide/aws-load-balancer-controller.html
• https://kubernetes-sigs.github.io/aws-load-balancer-controller/
• Configuration: https://kubernetes-sigs.github.io/aws-load-balancer-controller/v2.2/deploy/configurations/

Installation example

• helm install aws-load-balancer-controller
• See also AWS Load Balancer Controller add-on

apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/name: aws-load-balancer-controller
  name: aws-load-balancer-controller
  namespace: kube-system
  annotations:
    eks.amazonaws.com/role-arn: arn:aws:iam::111122223333:role/AmazonEKSLoadBalancerControllerRole

kubectl apply -f aws-load-balancer-controller-service-account.yaml
serviceaccount/aws-load-balancer-controller created

kubectl apply -f aws-load-balancer-controller-service-account.yaml
serviceaccount/aws-load-balancer-controller unchanged

helm repo add eks
helm install aws-load-balancer-controller eks/aws-load-balancer-controller -n kube-system --set clusterName=education-eks-LZIQaQdP --set serviceAccount.create=false --set serviceAccount.name=aws-load-balancer-controller

NAME: aws-load-balancer-controller
LAST DEPLOYED: Tue May 24 23:48:48 2022
NAMESPACE: kube-system
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
AWS Load Balancer controller installed!

Verify:

kubectl get deployment -n kube-system aws-load-balancer-controller
NAME                           READY   UP-TO-DATE   AVAILABLE   AGE
aws-load-balancer-controller   2/2     2            2           75s

kubectl -n kube-system get pods | grep aws-load-balancer-controller
aws-load-balancer-controller-5bcbf46bdb-b4znr   1/1     Running   0          40m
aws-load-balancer-controller-5bcbf46bdb-xgs4s   1/1     Running   0          40m

Related

• EKS add-ons: AWS Load Balancer Controller add-on
• helm install --set persistence.enabled=true grafana grafana/grafana --set ingress.enabled=true
• failed to introspect vpcID from ec2Metadata due to RequestError: send request failed
• AWS Load Balancer Controller changelog
• AwsLoadBalancerController
• F1028 specify --aws-vpc-id instead if ec2Metadata is unavailable
• amazon-vpc-cni-k8s
• kubectl expose deployment
• Nginx controller
• service.beta.kubernetes.io

Activities

• Read https://docs.aws.amazon.com/eks/latest/userguide/alb-ingress.html

See also

• Load Balancers, LoadBalancerSourceRanges, Kubernetes LoadBalancer, ALB, type: LoadBalancer, AWS Load Balancer controller
• Ingress controllers, NGINX Ingress Controller, minikube addons enable ingress, kubectl get ingress, kubectl get ingressclass, kubectl describe ingress, Ingress:, Ingress API, AWS Load Balancer Controller, Envoy Proxy, GKE Ingress, Kubernetes Gateway API, ingress.k8s.aws, ingresses.networking.k8s.io, kind: Ingress: ( tls:, hosts: )
• Kubernetes controllers: Ingress, controller., AWS Load Balancer controller, kubectl describe ingressclass nginx