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GitLab Extended

Extended GitLab node

Actions18

Overview

The node "GitLab Extended" provides extended integration capabilities with GitLab, allowing users to interact with various GitLab resources such as branches, files, issues, pipelines, and merge requests. Specifically, for the Merge Request resource and the Post Discussion Note operation, this node enables users to post a new note (comment) to an existing discussion thread within a specified merge request.

This is useful in scenarios where you want to automate commenting on code reviews or discussions in merge requests, for example:

  • Automatically posting feedback or status updates to a merge request discussion.
  • Adding comments triggered by external events or CI/CD pipeline results.
  • Integrating GitLab merge request discussions into broader workflows or chatbots.

Properties

Name Meaning
Merge Request IID The internal ID of the merge request to which the discussion note will be posted (e.g., 7).
Discussion ID The identifier of the specific discussion thread within the merge request to reply to (e.g., 123abc).
Note Body The text content of the note/comment to post in the discussion (e.g., "Looks good to me").

Output

The node outputs JSON data representing the response from the GitLab API after posting the discussion note. This typically includes details about the newly created note such as its ID, body text, author information, timestamps, and any metadata related to the discussion.

No binary data output is involved in this operation.

Dependencies

  • Requires an API key credential for authenticating with the GitLab instance.
  • The node expects configuration of project identification either by numeric project ID or by owner/name combination.
  • Uses GitLab's REST API endpoints under /projects/{projectId}/merge_requests/{mergeRequestIid}/discussions/{discussionId}/notes.

Troubleshooting

  • Invalid Discussion ID or Merge Request IID: If the discussion ID or merge request IID is incorrect or does not exist, the API call will fail. Verify these IDs are correct and correspond to existing entities in your GitLab project.
  • Authentication Errors: Ensure that the API key credential has sufficient permissions to read and write notes on merge requests.
  • Empty Note Body: The note body is required; submitting an empty string may cause errors or result in no comment being posted.
  • API Rate Limits: Frequent automated posting might hit GitLab API rate limits; handle such errors by implementing retries or backoff strategies.

Links and References

Discussion