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AWSQS::EKS::Cluster

An AWS CloudFormation resource provider for modelling Amazon EKS clusters. It provides some additional functionality to the native AWS::EKS::Cluster resource type:

  • Manage aws-auth ConfigMap from within CloudFormation.
  • Support for EndpointPublicAccess, EndpointPrivateAccess and PublicAccessCidrs features.
  • Support for enabling control plane logging to CloudWatch logs.
  • Support for tagging

Prerequisites

IAM role

An IAM role is used by CloudFormation to execute the resource type handler code provided by this project. A CloudFormation template to create the execution role is available here

Activating the Resource type

To activate the resource type in your account go here, then choose the AWS Region you would like to use it in and click Activate.

Usage

Properties and return values are documented here.

Examples

Create a private EKS cluster with an additional user and role allowed to access the Kubernetes API

AWSTemplateFormatVersion: "2010-09-09"
Parameters:
  SubnetIds:
    Type: "List<AWS::EC2::Subnet::Id>"
  SecurityGroupIds:
    Type: "List<AWS::EC2::SecurityGroup::Id>"
Resources:
  # EKS Cluster
  myCluster:
    Type: "AWSQS::EKS::Cluster"
    Properties:
      RoleArn: !GetAtt serviceRole.Arn
      KubernetesNetworkConfig:
        ServiceIpv4Cidr: "192.168.0.0/16"
      ResourcesVpcConfig:
        SubnetIds: !Ref SubnetIds
        SecurityGroupIds: !Ref SecurityGroupIds
        EndpointPrivateAccess: true
        EndpointPublicAccess: false
      EnabledClusterLoggingTypes: ["audit"]
      KubernetesApiAccess:
        Users:
          - Arn: !Sub "arn:${AWS::Partition}:iam::${AWS::AccountId}:user/my-user"
            Username: "CliUser"
            Groups: ["system:masters"]
        Roles:
          - Arn: !Sub "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/my-role"
            Username: "AdminRole"
            Groups: ["system:masters"]
      Tags:
        - Key: ClusterName
          Value: myCluster
  serviceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal: { Service: eks.amazonaws.com }
            Action: sts:AssumeRole
      Path: "/"
      ManagedPolicyArns:
        - !Sub 'arn:${AWS::Partition}:iam::aws:policy/AmazonEKSClusterPolicy'
        - !Sub 'arn:${AWS::Partition}:iam::aws:policy/AmazonEKSServicePolicy'

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