aws-cloudformation / aws-cloudformation/cloudformation-coverage-roadmap
Support MoveReplicationTask when modifying ReplicationTask.ReplicationInstanceArn
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Description
### Name of the resource
AWS::DMS::ReplicationTask
### Resource name
_No response_
### Description
Currently modifying [ReplicationTask.ReplicationInstanceArn](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-dms-replicationtask.html#cfn-dms-replicationtask-replicationinstancearn) replaces the task, requiring data migration to start all over.
Modifying this attribute should use the `MoveReplicationTask` API to just move the task to the new instance.
https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Tasks.Moving.html
### Other Details
_No response_
Contributor guide
Research direction
Start by reading the AWS DMS documentation for MoveReplicationTask and the CloudFormation behavior for AWS::DMS::ReplicationTask, especially ReplicationInstanceArn updates. Confirm the current replacement behavior and define done as changing the attribute moving the task to the new replication instance without restarting migration.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- aws
- Domain
- cloud, data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100