sam apigateway v2

gistfile1.txt

# http -v POST \
# https://MY_API_GATEWAY_ID.execute-api.MY_REGION.amazonaws.com/v0/lambda

AWSTemplateFormatVersion: "2010-09-09"

Description: AWS API Gateway with a Lambda Integration

Resources:
  ApiGatewayRestApi:
    Type: AWS::ApiGatewayV2::Api
    Properties:
      ProtocolType: HTTP
      Description: An API Gateway with a Lambda Integration
      Name: lambda-api
  ApiGatewayMethod:
    Type: AWS::ApiGatewayV2::Integration
    Properties:
      ApiId: !Ref ApiGatewayRestApi
      Description: Test Integration
      ConnectionType: INTERNET
      CredentialsArn: !GetAtt ApiGatewayIamRole.Arn
      PassthroughBehavior: WHEN_NO_MATCH
      TimeoutInMillis: 29000
      IntegrationMethod: POST
      IntegrationType: AWS_PROXY
      PayloadFormatVersion: "2.0"
      IntegrationUri: !Sub "arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${LambdaFunction.Arn}/invocations"
  ApiGatewayStage:
    Type: AWS::ApiGatewayV2::Stage
    Properties:
      DeploymentId: !Ref ApiGatewayDeployment
      Description: Lambda API Stage v0
      ApiId: !Ref ApiGatewayRestApi
      StageName: "v0"
  ApiGatewayDeployment:
    Type: AWS::ApiGatewayV2::Deployment
    DependsOn: ApiGatewayMethod
    Properties:
      Description: Lambda API Deployment
      ApiId: !Ref ApiGatewayRestApi

  ApiGatewayIamRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Sid: ""
            Effect: "Allow"
            Principal:
              Service:
                - "apigateway.amazonaws.com"
            Action:
              - "sts:AssumeRole"
      Path: "/"
      Policies:
        - PolicyName: LambdaAccess
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: "Allow"
                Action: "lambda:*"
                Resource: !GetAtt LambdaFunction.Arn

  LambdaFunction:
    Type: AWS::Lambda::Function
    Properties:
      Code:
        ZipFile: |
          def handler(event, context):
            response = {
              'isBase64Encoded': False,
              'statusCode': 200,
              'headers': {},
              'multiValueHeaders': {},
              'body': 'Hello, World!'
            }
            return response
      Description: AWS Lambda function
      FunctionName: "lambda-function"
      Handler: index.handler
      MemorySize: 256
      Role: !GetAtt LambdaIamRole.Arn
      Runtime: python3.7
      Timeout: 60

  LambdaIamRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: "Allow"
            Principal:
              Service:
                - "lambda.amazonaws.com"
            Action:
              - "sts:AssumeRole"
      Path: "/"

  ApiGatewayResource:
    Type: AWS::ApiGatewayV2::Route
    DependsOn:
      - ApiGatewayRestApi
      - LambdaFunction
      - ApiGatewayMethod
    Properties:
      ApiId: !Ref ApiGatewayRestApi
      RouteKey: POST /lambda
      Target: !Join
        - /
        - - integrations
          - !Ref ApiGatewayMethod