AWSTemplateFormatVersion: "2010-09-09" Description: > This CloudFormation template creates a role assumed by CloudFormation during CRUDL operations to mutate resources on behalf of the customer. Resources: ExecutionRole: Type: AWS::IAM::Role Properties: MaxSessionDuration: 8400 AssumeRolePolicyDocument: Version: '2012-10-17' Statement: - Effect: Allow Principal: Service: resources.cloudformation.amazonaws.com Action: sts:AssumeRole Path: "/" Policies: - PolicyName: ResourceTypePolicy PolicyDocument: Version: '2012-10-17' Statement: - Effect: Allow Action: - "ec2:DescribeInstanceStatus" - "iam:PassRole" - "resource-groups:GetGroupQuery" - "resource-groups:ListGroupResources" - "resource-groups:ListGroups" - "ssm:CreateAssociation" - "ssm:DeleteAssociation" - "ssm:DescribeAssociation" - "ssm:UpdateAssociation" Resource: "*" Outputs: ExecutionRoleArn: Value: Fn::GetAtt: ExecutionRole.Arn