execution-role.template.yaml

AWSTemplateFormatVersion: "2010-09-09"
Resources:
  ExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      MaxSessionDuration: 8400
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - "lambda.amazonaws.com"  # required for EKS clusters with Public Endpoint disabled
                - "resources.cloudformation.amazonaws.com"
            Action: sts:AssumeRole
      Path: "/"
      Policies:
        - PolicyName: ResourceTypePolicy
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - "secretsmanager:GetSecretValue"  # required for deploying helm charts into non-EKS kubernetes clusters
                  - "kms:Decrypt"
                  - "eks:DescribeCluster"
                  - "s3:GetObject"
                  - "sts:AssumeRole"
                  - "sts:GetCallerIdentity"
                  - "iam:PassRole"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:CreateNetworkInterface"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DescribeNetworkInterfaces"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DeleteNetworkInterface"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DescribeVpcs"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DescribeSubnets"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DescribeRouteTables"  # required for EKS clusters with Public Endpoint disabled
                  - "ec2:DescribeSecurityGroups"  # required for EKS clusters with Public Endpoint disabled
                  - "logs:CreateLogGroup"  # required for EKS clusters with Public Endpoint disabled
                  - "logs:CreateLogStream"  # required for EKS clusters with Public Endpoint disabled
                  - "logs:PutLogEvents"  # required for EKS clusters with Public Endpoint disabled
                  - "lambda:UpdateFunctionConfiguration" # required for EKS clusters with Public Endpoint disabled
                  - "lambda:GetFunctionConfiguration" # required for EKS clusters with Public Endpoint disabled
                  - "lambda:DeleteFunction"  # required for EKS clusters with Public Endpoint disabled
                  - "lambda:GetFunction"  # required for EKS clusters with Public Endpoint disabled
                  - "lambda:InvokeFunction"  # required for EKS clusters with Public Endpoint disabled
                  - "lambda:CreateFunction"  # required for EKS clusters with Public Endpoint disabled
                  - "lambda:UpdateFunctionCode"  # required for EKS clusters with Public Endpoint disabled
                  - "logs:CreateLogGroup"  # required if this role is also used for Resource type logging
                  - "logs:CreateLogStream"  # required if this role is also used for Resource type logging
                  - "logs:DescribeLogGroups"  # required if this role is also used for Resource type logging
                  - "logs:DescribeLogStreams"  # required if this role is also used for Resource type logging
                  - "logs:PutLogEvents"  # required if this role is also used for Resource type logging
                  - "cloudwatch:ListMetrics"  # required if this role is also used for Resource type logging
                  - "cloudwatch:PutMetricData"  # required if this role is also used for Resource type logging
                  - "ssm:PutParameter"  # ssm parameters are used by the ::Get resource to track requests
                  - "ssm:GetParameter"  # ssm parameters are used by the ::Get resource to track requests
                  - "ssm:DeleteParameter"  # ssm parameters are used by the ::Get resource to track requests
                Resource: "*"
Outputs:
  ExecutionRoleArn:
    Value: !GetAtt ExecutionRole.Arn