AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31

Globals:
  Function:
    Timeout: 10

Parameters:
  HelloWorldLayerName:
    Type: String
    Description: Name of the HelloWorldLayer which will be used with current deployment
  HelloWorldLayerWithoutBuildMethodName:
    Type: String
    Description: Name of the HelloWorldLayerWithoutBuildMethodName which will be used with current deployment
  HelloWorldPreBuiltZipLayerName:
    Type: String
    Description: Name of the HelloWorldPreBuiltZipLayer which will be used with current deployment

Resources:
  HelloWorldFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: function/
      Handler: app.lambda_handler
      Runtime: python3.7
      Layers:
        - Ref: HelloWorldLayer
      Tracing: Active

  HelloWorldFunctionWithLayerWithoutBuild:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: function/
      Handler: app.lambda_handler
      Runtime: python3.7
      Layers:
        - Ref: HelloWorldLayerWithoutBuildMethod
      Tracing: Active

  HelloWorldFunctionWithPreBuiltLayer:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: function/
      Handler: app.lambda_handler
      Runtime: python3.7
      Layers:
        - Ref: HelloWorldPreBuiltZipLayer
      Tracing: Active

  HelloWorldLayer:
    Type: AWS::Serverless::LayerVersion
    Properties:
      LayerName: !Ref HelloWorldLayerName
      Description: Hello World Layer
      ContentUri: layer/
      CompatibleRuntimes:
        - python3.7
    Metadata:
      BuildMethod: python3.7

  HelloWorldLayerWithoutBuildMethod:
    Type: AWS::Serverless::LayerVersion
    Properties:
      LayerName: !Ref HelloWorldLayerWithoutBuildMethodName
      Description: Hello World Layer without BuildMethod
      ContentUri: layer_without_build_method/
      CompatibleRuntimes:
        - python3.7

  HelloWorldPreBuiltZipLayer:
    Type: AWS::Serverless::LayerVersion
    Properties:
      LayerName: !Ref HelloWorldPreBuiltZipLayerName
      Description: Hello World Layer which is pre-built as ZIP file
      ContentUri: layer_zip/layer.zip
      CompatibleRuntimes:
        - python3.7

  HelloStepFunction:
    Type: AWS::Serverless::StateMachine
    Properties:
      DefinitionUri: statemachine/function.asl.json
      Policies:
        - LambdaInvokePolicy:
            FunctionName: !Ref HelloWorldFunction