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44c00b9ca4
Also minimalize numbers of calls to nova API Signed-off-by: Dawid Deja <dawid.deja@intel.com>
63 lines
1.4 KiB
ReStructuredText
63 lines
1.4 KiB
ReStructuredText
Mistral evacuate plugin
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=======================
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This is a PoC for providing automatic evacuation for VMs in OpenStack cloud
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using Mistral.
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Installation
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------------
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#. Copy ``filter_vm_action.py`` and ``evacuate_vm_action.py``
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to the place reachable by python interpreter -
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see ``PYTHONPATH`` or ``sys.path`` for reference.
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#. Append lines
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.. code:: ini
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[entry_points]
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mistral.actions =
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…
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custom.filter_vm = filter_vm_action:FilterVmAction
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custom.find_flavors = find_flavors_by_extra_spec:FindFlavorsByExtraSpecs
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to ``setup.cfg`` file under Mistral repository
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#. Run db-sync tool via either
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.. code:: shell-session
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$ tools/sync_db.sh --config-file <path-to-config>
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or
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.. code:: shell-session
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$ mistral-db-manage --config-file <path-to-config> populate
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#. Register Mistral workflow:
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.. code:: shell-session
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$ mistral workflow-create host-evacuate.yaml
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#. Create JSON file with content similar to:
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.. code:: json
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{
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"search_opts": {
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"host": "compute-hostanme"
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},
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"on_shared_storage": false,
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"flavor_extra_specs": {
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"evacuation:evacuate": true
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}
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}
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#. Trigger the action via:
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.. code:: shell-session
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$ mistral execution-create host-evacuate input.json
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where ``input.json`` is a file created in previous step.
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