EKS - Cluster Autoscaler

목차

• EKS - Cluster Autoscaler
• EKS - EFS CSI Driver 설치
• EKS - EBS CSI Driver 설치
• EKS - ALB Controller 를 활용한 NLB 생성
• EKS - ALB Controller 설치
• EKS - Cluster Access 문제
• EKS - NodeGroup 생성
• EKS - eksctl 로 클러스터 생성 및 삭제
• EKS (Elastic Kubernetes Service)

참고

• https://github.com/kubernetes/autoscaler
• https://docs.aws.amazon.com/ko_kr/autoscaling/ec2/userguide/what-is-amazon-ec2-auto-scaling.html

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "autoscaling:DescribeAutoScalingGroups",
        "autoscaling:DescribeAutoScalingInstances",
        "autoscaling:DescribeLaunchConfigurations",
        "autoscaling:DescribeScalingActivities",
        "autoscaling:DescribeTags",
        "ec2:DescribeInstanceTypes",
        "ec2:DescribeLaunchTemplateVersions"
      ],
      "Resource": ["*"]
    },
    {
      "Effect": "Allow",
      "Action": [
        "autoscaling:SetDesiredCapacity",
        "autoscaling:TerminateInstanceInAutoScalingGroup",
        "ec2:DescribeImages",
        "ec2:GetInstanceTypesFromInstanceRequirements",
        "eks:DescribeNodegroup"
      ],
      "Resource": ["*"]
    }
  ]
}

helm repo add autoscaler https://kubernetes.github.io/autoscaler

helm show values autoscaler/cluster-autoscaler

적용 대상 node에는 아래의 tag가 달려야 한다.

k8s.io/cluster-autoscaler/skcc-dev-floot-eks: owned
k8s.io/cluster-autoscaler/enabled: true