template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  TRC App: Product Catalog service

Parameters:
  Stage:
    Type: String
    Description: Environment stage or git branch

Globals:
  Function:
    Runtime: nodejs14.x
    MemorySize: 128

Resources:
  ProductsTable:
    Type: AWS::DynamoDB::Table
    Properties:
      BillingMode: PAY_PER_REQUEST
      AttributeDefinitions:
        - AttributeName: pk
          AttributeType: S
        - AttributeName: sk
          AttributeType: S
      KeySchema:
        - AttributeName: pk
          KeyType: HASH
        - AttributeName: sk
          KeyType: RANGE

  CreateUpdateProductFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: catalog-crud/dist/createUpdateProduct
      Handler: lambda.lambdaHandler
      Tracing: Active
      Environment:
        Variables:
           PRODUCT_TABLE: !Ref ProductsTable
           QUEUE: !ImportValue
             'Fn::Sub': 'TRC-${Stage}-ProductUpdateQueueUrl'
      Policies:
        - Statement:
          - Effect: Allow
            Action:
              - "sqs:DeleteMessage"
            Resource: !ImportValue
              'Fn::Sub': 'TRC-${Stage}-ProductUpdateQueueArn'
        - DynamoDBCrudPolicy:
            TableName: !Ref ProductsTable
      Events:
        SQSProductUpdated:
          Type: SQS
          Properties:
            Queue: !ImportValue
              'Fn::Sub': 'TRC-${Stage}-ProductUpdateQueueArn'
            BatchSize: 10

  CreateUpdateCharacteristicFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: catalog-crud/dist/createUpdateCharacteristic
      Handler: lambda.lambdaHandler
      Tracing: Active
      Environment:
        Variables:
          PRODUCT_TABLE: !Ref ProductsTable
          QUEUE: !ImportValue
            'Fn::Sub': 'TRC-${Stage}-CharacteristicUpdateQueueUrl'
      Policies:
        - Statement:
          - Effect: Allow
            Action:
              - "sqs:DeleteMessage"
            Resource: !ImportValue
              'Fn::Sub': 'TRC-${Stage}-CharacteristicUpdateQueueArn'
        - DynamoDBCrudPolicy:
            TableName: !Ref ProductsTable
      Events:
        SQSProductUpdated:
          Type: SQS
          Properties:
            Queue: !ImportValue
              'Fn::Sub': 'TRC-${Stage}-CharacteristicUpdateQueueArn'
            BatchSize: 30
            MaximumBatchingWindowInSeconds: 60

  Api:
    Type: AWS::Serverless::Api
    Properties:
      StageName: Prod
      Cors:
        AllowMethods: "'GET', 'OPTIONS'"
        AllowHeaders: "'Authorization'"
        AllowOrigin: "'*'"
      Auth:
        DefaultAuthorizer: CognitoAuthorizer
        AddDefaultAuthorizerToCorsPreflight: false
        Authorizers:
          CognitoAuthorizer:
            UserPoolArn: !ImportValue
              'Fn::Sub': 'TRC-${Stage}-UserPoolArn'
            Identity:
              Header: Authorization

  GetAllProductsFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: catalog-crud/dist/getAllProducts
      Handler: lambda.lambdaHandler
      Tracing: Active
      Environment:
        Variables:
          PRODUCT_TABLE: !Ref ProductsTable
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref ProductsTable
      Events:
        GetProductCatalogAPI:
          Type: Api
          Properties:
            Path: /products
            Method: get
            RestApiId: !Ref Api

  GetAllCharacteristicsFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: catalog-crud/dist/getAllCharacteristics
      Handler: lambda.lambdaHandler
      Tracing: Active
      Environment:
        Variables:
          PRODUCT_TABLE: !Ref ProductsTable
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref ProductsTable
      Events:
        GetProductCatalogAPI:
          Type: Api
          Properties:
            Path: /products/{productId}/
            Method: get
            RestApiId: !Ref Api

  GetSpecificProductAndCharacteristicFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: catalog-crud/dist/getSpecificProductAndCharacteristic
      Handler: lambda.lambdaHandler
      Tracing: Active
      Environment:
        Variables:
          PRODUCT_TABLE: !Ref ProductsTable
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref ProductsTable
      Events:
        GetProductCatalogAPI:
          Type: Api
          Properties:
            Path: /products/{productId}/{characteristicId}
            Method: get
            RestApiId: !Ref Api

Outputs:
  APIAddress:
    Description: "Product catalog URL for Prod stage"
    Value: !Sub "https://${Api}.execute-api.${AWS::Region}.amazonaws.com/Prod/"
    Export:
      Name: !Sub "TRC-${Stage}-Products-API-URL"