AWSTemplateFormatVersion: "2010-09-09"

Description: Custom Resource to get FSx for Windows DNS name and Preferred IP address.

Parameters:
  PythonLayerArn:
    Type: String

  FSxFileSystemId:
    Type: String

  ResourceTags:
    Type: String

Transform: AWS::Serverless-2016-10-31

Resources:
  FSxFunction:
    Type: AWS::Serverless::Function
    Metadata:
      cfn_nag:
        rules_to_suppress:
          - id: W11
            reason: fsx:DescribeFileSystems supports all resources.
    Properties:
      Handler: fsx.handler
      Runtime: python3.8
      CodeUri: ../src/fsx/
      Layers:
        - !Ref PythonLayerArn
      Policies:
        - Version: "2012-10-17"
          Statement:
            - Effect: Allow
              Action:
                - fsx:DescribeFileSystems
              Resource: '*'
      Tags:
        Name: !Join [/, [!Ref ResourceTags, FSxDnsNameFunction]]

  FSxCustom:
    Type: Custom::FSxDnsName
    Properties:
      ServiceToken: !GetAtt FSxFunction.Arn
      FSxFileSystemId: !Ref FSxFileSystemId
    Version: "1.0"

Outputs:
  FSxDNSName:
    Value: !GetAtt FSxCustom.FSxDNSName

  FSxPrivateIP:
    Value: !GetAtt FSxCustom.FSxPrivateIP