DevOps/Kubernetes/EKS

AWS Elastic Kubernetes Service (EKS) is a managed Kubernetes solution for running containers available in AWS cloud platform since June 2018 . EKS can be managed using Jenkins X software . Other AWS services for running containers are ECS or Fargate.

By default EKS provides 3 master nodes and 3 etcd nodes, but are invisible to you and Amazon is responsible of AutoScaling them when needed.

Creation your first EKS Cluster

0) Prerequisites: kubectl and aws-iam-authenticator (a tool to authenticate to Kubernetes using AWS IAM credentials)

On MacOs: brew install aws-iam-authenticator and brew install kubernetes-cli

1) Create a new service role

2) Create a new VPC for you new EKS Cluster using this CloudFormation template from AWS: https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html

3) Create EKS Cluster from AWS Webconsole, user used for creating EKS Cluster will be the initial administrator.

4) Create Worker Nodes using AWS Cloudformation template https://github.com/awslabs/amazon-eks-ami/blob/master/amazon-eks-nodegroup.yaml

5) Install Kubernetes dashboard

Costs

EKS is more expensive than ECS for small clusters.

See also

• AWS ECS container services
• CNI - Container Network Interface
• AWS EKS getting starting guide: https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html
• DevOps/Kubernetes/Google Kubernetes Engine