AWSTemplateFormatVersion: '2010-09-09'
Description: AWS DataSync Workshop - NFS Migration - In-Cloud Region
Metadata:
  License:
    Description: |
      Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.

      Permission is hereby granted, free of charge, to any person obtaining a copy of this
      software and associated documentation files (the "Software"), to deal in the Software
      without restriction, including without limitation the rights to use, copy, modify,
      merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
      permit persons to whom the Software is furnished to do so.

      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
      INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
      PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
      HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
      OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
      SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Resources:

  # We use the GUID from the ARN of the stack ID to generate
  # a unique bucket name
  s3Bucket:
    Type: AWS::S3::Bucket
    Properties:
      PublicAccessBlockConfiguration:
        BlockPublicAcls: True
        BlockPublicPolicy: True
        IgnorePublicAcls: True
        RestrictPublicBuckets: True
      BucketName: !Join
      - "-"
      - - "data-migration-workshop"
        - !Select
          - 2
          - !Split
            - "/"
            - !Ref "AWS::StackId"

  # Give the role a friendly name as the workshop user will need to
  # reference it when creating DataSync tasks.
  s3BucketIamRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Statement:
          - Action:
              - sts:AssumeRole
            Effect: Allow
            Principal:
              Service:
                - datasync.amazonaws.com
        Version: '2012-10-17'
  s3BucketRolePolicy:
    Type: AWS::IAM::Policy
    DependsOn: s3Bucket
    Properties:
      PolicyDocument:
        Statement:
          - Effect: Allow
            Resource: !GetAtt s3Bucket.Arn
            Action:
              - s3:GetBucketLocation
              - s3:ListBucket
              - s3:ListBucketMultipartUploads
              - s3:HeadBucket
          - Effect: Allow
            Resource: !Join [ "/", [ !GetAtt s3Bucket.Arn, "*" ] ]
            Action:
              - s3:AbortMultipartUpload
              - s3:DeleteObject
              - s3:GetObject
              - s3:ListMultipartUploadParts
              - s3:PutObject
        Version: '2012-10-17'
      PolicyName: policy
      Roles:
        - !Ref 's3BucketIamRole'

Outputs:
  bucketName:
    Description: S3 Bucket Name
    Value: !Ref 's3Bucket'
  bucketRoleForDataSync:
    Description: S3 Bucket Role for DataSync
    Value: !Ref 's3BucketIamRole'