ironic/releasenotes/notes/node-fault-8c59c0ecb94ba562...

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---
features:
- |
Adds support for the ``fault`` field in the node, beginning with API
version 1.42. This field records the fault, if any, detected by ironic for
a node. If no fault is detected, the ``fault`` is ``None``. The ``fault``
field value is set to one of following values according to
different circumstances:
* ``power failure``: when a node is put into maintenance due to power sync
failures that exceed max retries.
* ``clean failure``: when a node is put into maintenance due to failure of
a cleaning operation.
* ``rescue abort failure``: when a node is put into maintenance due to
failure of cleaning up during rescue abort.
The ``fault`` field will be set to ``None`` if an operator manually set
maintenance to ``False``. The ``fault`` field can be used as a filter for
querying nodes.