Pipeline trigger on pull request

Triggers for codecommit are created/controlled through cloudwatch events. The source for the event can be specific target branch on a Pull Request.

Example - sorry about identing

{
   "source": [
   "aws.codecommit"
   ],
  "detail-type": [
  "CodeCommit Pull Request State Change"
  ],
  "resources": [
  "arn:aws:codecommit:us-west-2:80398EXAMPLE:MyTestRepo"
 ],
 "detail": {
   "event": [
      "pullRequestCreated",
     "pullRequestStatusChanged"
   ],
   "destinationReference": [
      "refs/heads/main"
   ],
   "pullRequestStatus": [
        "Open"
   ]
}
}

You can natively trigger codepipeline but if you wanted to trigger gitlab you would need to set the cloudwatch event to target a lambda which made the appropriate api call (and credentials) to trigger your gitlab pipeline

Hi Zale,

Please check in cloudwatch events-> rules or eventbridge rules ( both point to the same info ) . Here should be a rule that looks similar like this .

{
  "source": [
    "aws.codecommit"
  ],
  "detail-type": [
    "CodeCommit Repository State Change"
  ],
  "resources": [
    "arn:aws:codecommit:us-west-2:123456789012:CodeCommit"
  ],
  "detail": {
    "event": [
      "referenceCreated",
      "referenceUpdated"
    ],
    "referenceType": [
      "branch"
    ],
    "referenceName": [
      "main"
    ]
  }
}

change the referenceName to the branch you want to use to trigger the codepipeline. If you want to filter not by "feature" , more on a feature pattern like "feature-123" , "feature-124" then try to use filtering on event patterns. Please check this link : https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-event-patterns-content-based-filtering.html

Please write back if you need more info or if this was helpful.