template.yaml

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

Parameters:
  TestTableName:
    Type: String
    Default: 'SamTestTable'
    MinLength: 3
    MaxLength: 50
    AllowedPattern: ^[A-Za-z_]+$

Resources:
  TestSchedule:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: nodejs8.10
      Handler: index.handler
      Description: Test Schedule to trigger TestSNS with TestTopic
      # Using the compiled code in dist directory
      CodeUri: ./dist/testSchedule
      FunctionName: testSchedule
      Timeout: 15
      Environment:
        Variables:
          TEST_SNS: !Ref TestTopic
      Events:
        # Schedule type is created as a CloudWatch Event Rule
        TestSchedule:
          Type: Schedule
          Properties:
            Schedule: rate(30 minutes)
      # To trigger the SNS Topic - include the policy to publish to that topic
      Policies:
        - SNSPublishMessagePolicy:
            TopicName: !GetAtt TestTopic.TopicName

  TestSNS:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: nodejs8.10
      Handler: index.handler
      Description: Single SNS event handler test
      CodeUri: ./dist/testSns
      FunctionName: testSns
      Timeout: 15
      Environment:
        Variables:
          BUCKET: !Ref TestS3Bucket
      Events:
        TestEvent:
          Type: SNS
          Properties:
            Topic: !Ref TestTopic
      Policies:
        - S3CrudPolicy:
            BucketName: !Ref TestS3Bucket

  TestS3:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: nodejs8.10
      Handler: index.handler
      Description: Single S3 event handler test
      CodeUri: ./dist/testS3
      FunctionName: testS3
      Timeout: 30
      Environment:
        Variables:
          DYNAMO_TABLE: !Ref TestTableName
      Events:
        NewObject:
          Type: S3
          Properties:
            Bucket: !Ref TestS3Bucket
            Events: s3:ObjectCreated:*
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref TestTable

  TestTopic:
    Type: AWS::SNS::Topic

  TestS3Bucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: sam-test-bucket-cs

  TestTable:
    Type: AWS::DynamoDB::Table
    Properties:
      TableName: !Ref TestTableName
      AttributeDefinitions:
        - AttributeName: id
          AttributeType: S
      KeySchema:
        - AttributeName: id
          KeyType: HASH
      ProvisionedThroughput:
        ReadCapacityUnits: 5
        WriteCapacityUnits: 5