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/v2.4/
• 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
• 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

Activities

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

See also

• ALB, Load balancer (Networking), AWS ALB, openstack loadbalancer create, AWS ALB Ingress Controller, Target group, AWS Load Balancer Controller, alb-http-drop-invalid-header-enabled, Least Outstanding Requests (LOR)
• EKS, eksctl, EKS add-ons, Amazon EKS cluster role, Terraform EKS, Kubernetes Autoscaler, Karpenter, Terraform module: EKS, Terraform resource: aws eks node group, Terraform data source: aws_eks_cluster, AWS Controllers for Kubernetes, AWS Load Balancer Controller, Amazon EKS Anywhere, Kustomize, aws-iam-authenticator, ACK, tEKS, Amazon EKS authorization, Amazon EKS authentication, Nodegroup, EKS storage, aws-ebs-csi-driver, aws-efs-csi-driver, aws-load-balancer-controller, amazon-vpc-cni-k8s, EKS security, EKS Best Practices Guides, hardeneks, EKS versions, fargate-scheduler, eks-connector, Resilience in Amazon EKS, EKS control plane logging, Security groups for Pods in EKS
• 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: ), SuccessfullyReconciled
• Kubernetes controllers: Ingress, controller., AWS Load Balancer controller, kubectl describe ingressclass nginx