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mistral-evacuate/README.rst
2015-11-16 16:08:10 +01:00

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Mistral evacuate plugin
=======================
This is a PoC for providing automatic evacuation for VMs in OpenStack cloud
using Mistral.
Installation
------------
#. Copy ``filter_vm_action.py`` to the place reachable by python interpreter -
see ``PYTHONPATH`` or ``sys.path`` for reference.
#. Append line
.. code:: ini
[entry_points]
mistral.actions =
custom.filter_vm = filter_vm_action:FilterVmAction
to ``setup.cfg`` file under Mistral repository
#. Reinstall Mistral if it was installed in system (not in virtualenv).
#. Run db-sync tool via either
.. code:: shell-session
$ tools/sync_db.sh --config-file <path-to-config>
or
.. code:: shell-session
$ mistral-db-manage --config-file <path-to-config> populate
#. Register Mistral workflow:
.. code:: shell-session
$ mistral workflow-create host-evacuate.yaml
#. Create JSON file with content similar to:
.. code:: json
{
"search_opts": {
"host": "compute-hostanme"
}
}
#. Trigger the action via:
.. code:: shell-session
$ mistral execution-create host-evacuate input.json
where ``input.json`` is a file created in previous step.