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Contributing Guidelines

Thanks for your interest in contributing to conu.

The following is a set of guidelines for contributing to conu. Use your best judgement, and feel free to propose changes to this document in a pull request.

Reporting Bugs

Before creating bug reports, please check a list of known issues to see if the problem has already been reported (or fixed in a master branch).

If you're unable to find an open issue addressing the problem, open a new one. Be sure to include a descriptive title and a clear description. Ideally, please provide:

  • version of conu you are using (rpm -q python2-conu python3-conu or pip freeze | grep conu)
  • version of container runtime you are using (rpm -qa | grep docker)
  • the command you executed, output and ideally please describe the image, container that you are trying to test

If possible, add a code sample or an executable test case demonstrating the expected behavior that is not occurring.

Note: If you find a Closed issue that seems like it is the same thing that you're experiencing, open a new issue and include a link to the original issue in the body of your new one. You can also comment on the closed issue to indicate that upstream should provide a new release with a fix.

Suggesting Enhancements

Enhancement suggestions are tracked as GitHub issues. When you are creating an enhancement issue, use a clear and descriptive title and provide a clear description of the suggested enhancement in as many details as possible.

Guidelines for Developers

If you would like to contribute code to the conu project, this section is for you!

Is this your first contribution?

Never contributed to an open-source project before? No problem! We're excited that you are considering conu for your first contribution!

Please take a few minutes to read GitHub's guide on How to Contribute to Open Source. It's a quick read, and it's a great way to introduce yourself to how things work behind the scenes in open-source projects


Kebechet bot keeps our python dependencies fresh and up-to-date. If you want to change or add new dependency please edit, not requirements.txt, because it is updated automatically based on


If you want to update documentation, find corresponding file in docs folder. If you want to try changes locally use:

make docs-in-container

and then documentation can be find in /docs/build/html.


For testing, we are using pytest framework. Tests are stored in the tests directory. We recommend to run tests inside docker container using:

# if TEST_TARGET is empty whole test suite is executed
make test-in-container TEST_TARGET=<PATH>

Substitute <PATH> with path to specific file, for example:

make test-in-container TEST_TARGET=tests/integration/

You may need to install some test dependencies, check test-requirements for more information.


Here are some important and useful directives of Makefile:

Install conu locally:

make install

Uninstall conu from the system:

make uninstall

Build new conu docker image:

make container-image

Run test suite inside docker container:

make test-in-container

Build documentation locally:

make docs-in-container

Run whole CI build (recommended on fresh CentOS Virtual machine):

make centos-ci-test

Install test requirements:

make install-test-requirements

How to contribute code to conu

  1. Create a fork of the conu repository.

  2. Create a new branch just for the bug/feature you are working on.

    • If you want to work on multiple bugs/features, you can use branches to keep them separate, so that you can submit a separate Pull Request for each one.
  3. Once you have completed your work, create a Pull Request, ensuring that it meets the requirements listed below.

Requirements for Pull Requests

  • Please create Pull Requests against the master branch.
  • Please make sure that your code complies with PEP8.
  • One line should not contain more than 100 characters.
  • Make sure that new code is covered by a test case (new or existing one).
  • We don't like spaghetti code.
  • The tests have to pass.

Thank you! conu team.