Transform: AWS::Serverless-2016-10-31

Resources:
  ResourceFunction:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python3.6
      CodeUri: lambda
      Handler: resource.handler
      Policies: CloudWatchFullAccess

  MacroFunction:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python3.6
      CodeUri: lambda
      Handler: index.handler

  Macro:
    Type: AWS::CloudFormation::Macro
    Properties:
      Name: StackMetrics
      FunctionName: !GetAtt MacroFunction.Arn

  Dashboard:
    Type: AWS::CloudWatch::Dashboard
    Properties:
      DashboardName: CloudFormation-Stacks
      DashboardBody: |
        {
            "widgets": [
                {
                    "type": "metric",
                    "x": 0,
                    "y": 0,
                    "width": 12,
                    "height": 12,
                    "properties": {
                        "view": "timeSeries",
                        "stacked": false,
                        "metrics": [
                            [ "CloudFormation", "ResourceCount" ]
                        ],
                        "region": "eu-west-1",
                        "title": "Resources created",
                        "period": 300,
                        "stat": "Sum"
                    }
                },
                {
                    "type": "metric",
                    "x": 12,
                    "y": 0,
                    "width": 12,
                    "height": 12,
                    "properties": {
                        "view": "timeSeries",
                        "stacked": true,
                        "title": "Stack operations",
                        "metrics": [
                            [ "CloudFormation", "Create" ],
                            [ ".", "Delete" ],
                            [ ".", "Update" ]
                        ],
                        "region": "eu-west-1",
                        "period": 300,
                        "stat": "Sum"
                    }
                }
            ]
        }

Outputs:
  ResourceFunction:
    Value: !GetAtt ResourceFunction.Arn
    Export:
      Name: StackMetricsMacroFunction