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Contribution Overview
If you would like to contribute to the development of OpenStack, you must follow the steps in this page:
If you already have a good understanding of how the system works and your OpenStack accounts are set up, you can skip to the development workflow section of this documentation to learn how changes to OpenStack should be submitted for review via the Gerrit tool:
http://docs.openstack.org/infra/manual/developers.html#development-workflow
Pull requests submitted through GitHub will be ignored.
Bugs should be filed on StoryBoard, not GitHub:
Developing bindep
Either install bindep and run
bindep test to check you have the needed tools, or review
bindep.txt by hand.
Running Tests
The testing system is based on a combination of tox and testr. The canonical approach to running tests is to simply run the command tox. This will create virtual environments, populate them with dependencies and run all of the tests that OpenStack CI systems run. Behind the scenes, tox is running testr run --parallel, but is set up such that you can supply any additional testr arguments that are needed to tox. For example, you can run: tox -- --analyze-isolation to cause tox to tell testr to add --analyze-isolation to its argument list.
It is also possible to run the tests inside of a virtual environment you have created, or it is possible that you have all of the dependencies installed locally already. If you'd like to go this route, the requirements are listed in requirements.txt and the requirements for testing are in test-requirements.txt. Installing them via pip, for instance, is simply:
pip install -r requirements.txt -r test-requirements.txtIn you go this route, you can interact with the testr command directly. Running testr run will run the entire test suite. testr run --parallel will run it in parallel (this is the default incantation tox uses.) More information about testr can be found at: http://wiki.openstack.org/testr