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

Parameters:
  SourceRepositoryName:
    Type: String
    Description: Enter the CodeCommit repository name to source for replication.
  TargetRepositoryName:
    Type: String
    Description: Enter the CodeCommit repository name to target for replication.
  TargetRepositoryRegion:
    Type: String
    Description: Enter the CodeCommit repository region to target for replication.

Resources:
  Replicator:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: cwecc.ReplicateRepositoryHandler
      Runtime: java8
      CodeUri: ./build/distributions/
      Description: CodeCommit Replication
      MemorySize: 1028
      Timeout: 300
      Environment:
        Variables:
          TARGET_REPO_NAME: !Ref TargetRepositoryName
          TARGET_REPO_REGION: !Ref TargetRepositoryRegion
      Events:
        ReferenceCreatedOrUpdated:
          Type: CloudWatchEvent
          Properties:
            Pattern:
              source:
                - aws.codecommit
              resources:
                - !Sub 'arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${SourceRepositoryName}'
              detail:
                event:
                  - referenceCreated
                  - referenceUpdated
      Policies:
        - Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Resource: !Sub 'arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${SourceRepositoryName}'
              Action:
                - 'codecommit:GetRepository'
                - 'codecommit:GitPull'
            - Effect: Allow
              Resource: !Sub 'arn:aws:codecommit:${TargetRepositoryRegion}:${AWS::AccountId}:${TargetRepositoryName}'
              Action:
                - 'codecommit:GetRepository'
                - 'codecommit:GitPush'