Parameters:
  EnvironmentName:
    Description: An environment name that is prefixed to resource names
    Type: String
    Default: "wsi"

Resources:
  IAMRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Sub ${EnvironmentName}-role
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: "Allow"
            Principal:
              Service:
                - "<Service Name>.amazonaws.com"
            Action:
              - "sts:AssumeRole"
      Path: "/"
      ManagedPolicyArns:
        - "<arn>"
      Tags:
        - Key: Name
          env: !Sub ${EnvironmentName}-role

Outputs:
  Role:
    Description: "Role"
    Value: !GetAtt IAMRole.Arn
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-role"
# <https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_principal.html>