An opinionated Bugzilla to Gitlab Issues bug migration tool
This is a tool for developers or admins who want to migrate the issue management for their software project from Bugzilla to Gitlab Issues. Here is a screenshoot of an issue created by bugzilla2gitlab:
bugzilla2gitlab copies over bugs, bug comments and attachments.
This library is very much under development. That said, if you like to feel the wind in your hair, simply
pip install bugzilla2gitlab.
More than likely, you will need to roll up your sleaves and hack on the package to achieve a migration that you are happy with. In this case:
git clone firstname.lastname@example.org:xmunoz/bugzilla2gitlab.git cd bugzilla2gitlab python3 -m venv venv source venv/bin/activate pip install -r requirements.txt # installs this package locally pip install .
bugzilla2gitlab is compatible with python 3.7, 3.8, 3.9, and 3.10.
bugzilla2gitlab synchronously migrates a user-defined list of bugzilla bugs to a single GitLab project. There are two interfaces for this library. The command line usage:
$ bin/bugzilla2gitlab -h usage: bugzilla2gitlab [-h] [FILE] [CONFIG_DIRECTORY] Migrate bugs from Bugzilla to GitLab Issues. positional arguments: [FILE] A file containing a list of Bugzilla bug numbers to migrate, one per line. [CONFIG_DIRECTORY] The directory containing the required configuration files. optional arguments: -h, --help show this help message and exit
This package can also be used as a python module.
from bugzilla2gitlab import Migrator client = Migrator(config_path="/path/to/config") bugs_list = [1,2,3,4,5,6,7] client.migrate(bugs_list)
To begin using bugzilla2gitlab, the following list of configuration files is required in the specified
defaults.yml: Core default values used throughout the modules.
user_mappings.yml: key, value pairs of Bugzilla usernames to GitLab users
component_mappings.yml: key, value pairs of Bugzilla components to Gitlab labels
Samples of all of these files with documentation for each configuration variable can be found in tests/test_data/config.
bugzilla2gitlab creates issues and comments in GitLab with the user accounts specified in
user_mappings.yml, perserving the integrity of the original Bugzilla commenter. This, however, may not always be possible. In tests/test_data/config/user_mappings.yml, users with the designation "bugzilla" may have left the organization and therefore not have current GitLab accounts, or might simply be machine users. Comments for such users will be left under a generic "bugzilla" account. bugzilla2gitlab doesn't create any new user accounts. All of the accounts specified in
user_mappings.yml must already exist in your GitLab installation.
The default table created in the issue description by bugzilla2gitlab looks like this:
|Created on||Jun 08, 2010 10:25|
To modify this table, take a look at
create_description in models.py.
How it works
Gitlab has a comprehensive and extensively documented API. Here are the main endpoints that this library makes use of.
- Creating new issues
- Adding comments to issues
- Uploading files
- Changing an issue status
- Getting user ids
Calls to the Gitlab API must be made with an administrator private token in order to impersonate other users.
This program relies on being able to fetch bug data by simply appending
&ctype=xml to the end of the bugzilla bug url, and then parsing the resultant xml. If this trick doesn't work on your bugzilla installation, then bugzilla2gitlab probably won't work for you.
Every comment or mention in GitLab typically sends a notification. This is true even for comments/issues created programatically. To avoid users inboxes being flooded with meaningless email notifications and avoid overwhelming your SMTP servers, GitLab users should disable all email notifications (global and group-specific) just prior to the running of this script. This can be done through the Gitlab UI.
If you want to test out this library on a non-production GitLab instance, I recommend starting up a one-click GitLab droplet from DigitalOcean. From there, you can create a code repository, add some user accounts, and take bugzilla2gitlab for a spin.
Check out CONTRIBUTING.md.
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