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Functional Testing

The directory structure, files, and tests found in this directory all work together to provide:

  • a set of machines (or even a single one) so that ceph-ansible can run against
  • a "scenario" configuration file in Python, that defines what nodes are configured to what roles and what 'components' they will test
  • tests (in functional/tests/) that will all run unless skipped explicitly when testing a distinct feature dependant on the ansible run.

Example run

The following is the easiest way to try this out locally. Both Vagrant and VirtualBox are required. Ensure that py.test and pytest-xdist are installed (with pip on a virtualenv) by using the requirements.txt file in the tests directory:

pip install -r requirements.txt

Choose a directory in tests/functional that has 3 files:

  • Vagrantfile
  • vagrant_variables.yml
  • A Python ("scenario") file.

For example in: tests/functional/ubuntu/16.04/mon/initial_members:

tree .
.
├── Vagrantfile -> ../../../../../../Vagrantfile
├── scenario.py
└── vagrant_variables.yml

0 directories, 3 files

It is required to be in that directory. It is what triggers all the preprocessing of complex arguments based on the cluster setup.

Run vagrant first to setup the environment:

vagrant up --no-provision --provider=virtualbox

Then run ceph-ansible against the hosts with the distinct role (in this case we are deploying a monitor using initial_members).

And finally run py.test:

py.test -v