Filter GitLab webhook events (AWS CloudFormation)

To use an AWS CloudFormation template to filter webhook events, use the AWS CodeBuild project's FilterGroups property. For more information about GitLab webhook events, see GitLab webhook events.

The following YAML-formatted portion of an AWS CloudFormation template creates two filter groups. Together, they trigger a build when one or both evaluate to true:

• The first filter group specifies pull requests are created or updated on branches with Git reference names that match the regular expression ^refs/heads/main$ by a GitLab user who does not have account ID 12345.

• The second filter group specifies push requests are created on branches with Git reference names that match the regular expression ^refs/heads/.*.

• The third filter group specifies a push request with a head commit message matching the regular expression \[CodeBuild\].

• The fourth filter group specifies a GitHub Actions workflow job request with a workflow name matching the regular expression \[CI-CodeBuild\].

CodeBuildProject:
  Type: AWS::CodeBuild::Project
  Properties:
    Name: MyProject
    ServiceRole: service-role
    Artifacts:
      Type: NO_ARTIFACTS
    Environment:
      Type: LINUX_CONTAINER
      ComputeType: BUILD_GENERAL1_SMALL
      Image: aws/codebuild/standard:5.0
    Source:
      Type: GITLAB
      Location: source-location
    Triggers:
      Webhook: true
      FilterGroups:
        - - Type: EVENT
            Pattern: PULL_REQUEST_CREATED,PULL_REQUEST_UPDATED
          - Type: BASE_REF
            Pattern: ^refs/heads/main$
            ExcludeMatchedPattern: false
          - Type: ACTOR_ACCOUNT_ID
            Pattern: 12345
            ExcludeMatchedPattern: true
        - - Type: EVENT
            Pattern: PUSH
          - Type: HEAD_REF
            Pattern: ^refs/heads/.*
        - - Type: EVENT
            Pattern: PUSH
          - Type: COMMIT_MESSAGE
            Pattern: \[CodeBuild\]
        - - Type: EVENT
            Pattern: WORKFLOW_JOB_QUEUED
          - Type: WORKFLOW_NAME
            Pattern: \[CI-CodeBuild\]