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Perform a production migration of a GitLab pipeline

In this lab, you will use the migrate command to convert a GitLab pipeline and open a pull request with the equivalent Actions workflow.

Prerequisites

  1. Followed the steps here to set up your GitHub Codespaces environment and start a GitLab server.
  2. Completed the configure lab.
  3. Completed the dry-run lab.

Performing a migration

Answer the following questions before running a migrate command:

  1. What project do you want to migrate?
    • rails-example
  2. What is the namespace for that project?
    • actions-importer
  3. Where do you want to store the logs?
    • tmp/migrate
  4. What is the URL for the GitHub repository to add the workflow to?

Steps

  1. Run the following migrate command in the codespace terminal:

    gh actions-importer migrate gitlab --target-url https://github.com/:owner/:repo --output-dir tmp/migrate --namespace actions-importer --project rails-example

  2. The command will write the URL to the pull request that was created when the command succeeds.

    $ gh actions-importer migrate gitlab --target-url https://github.com/:owner/:repo --output-dir tmp/migrate
[2022-08-20 22:08:20] Logs: 'tmp/migrate/log/actions-importer-20220916-014033.log'
[2022-08-20 22:08:20] Pull request: 'https://github.com/:owner/:repo/pull/1'

  3. Open the generated pull request in a new browser tab.

Inspect the pull request

The first thing to notice about the pull request is that there is a list of manual steps to complete.

Next, you can inspect the "Files changed" in this pull request and see the converted workflow that is being added. Any additional changes or code reviews that were needed should be done in this pull request.

Finally, you can merge the pull request once your review has completed. You can then view the workflow running by selecting the "Actions" menu in the top navigation bar in GitHub.

img

At this point, the migration has completed and you have successfully migrated a GitLab pipeline to Actions!

Next Lab

This concludes all labs for migrating GitLab pipelines to Actions with GitHub Actions Importer!