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# `tests/ansible` Directory
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This is an an organically growing collection of integration and regression
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tests used for development and end-user bug reports.
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It will be tidied up over time, meanwhile, the playbooks here are a useful
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demonstrator for what does and doesn't work.
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## Preparation
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See `../image_prep/README.md`.
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## `run_ansible_playbook.py`
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This is necessary to set some environment variables used by future tests, as
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there appears to be no better way to inject them into the top-level process
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environment before the Mitogen connection process forks.
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## Running Everything
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`ANSIBLE_STRATEGY=mitogen_linear ./run_ansible_playbook.py all.yml`
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## `hosts/` and `common-hosts`
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To support running the tests against a dev machine that has the requisite user
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accounts, the the default inventory is a directory containing a 'localhost'
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file that defines 'localhost' to be named 'target' in Ansible inventory, and a
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symlink to 'common-hosts', which defines additional targets that all derive
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from 'target'.
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This allows `ansible_tests.sh` to reuse the common-hosts definitions while
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replacing localhost as the test target by creating a new directory that
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similarly symlinks in common-hosts.
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There may be a better solution for this, but it works fine for now.
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