Fix idrac-wsman BIOS factory_reset result finding

This change fixes the idrac-wsman BIOS hardware interface
implementation's determination of the result of its factory_reset
cleaning/deploy step, and, on success, updating of the cached BIOS
settings to their defaults. It uses a deterministic means of identifying
when the reset has successfully completed and the default BIOS settings
are available to be read.

The time when the iDRAC last performed a system inventory is referred to
as Collect System Inventory on Restart (CSIOR). CSIOR updates the values
of BIOS settings that can be read from the iDRAC. The interface reads
the CSIOR and records it on the ironic bare metal node before requesting
the factory reset and rebooting the system to process the request.
Following the system reboot, the CSIOR is periodically read until its
value changes from its recorded value. If that occurs before the
configured amount of time has passed, the step succeeds and the cached
BIOS settings are updated. Otherwise, the step fails and the node is
placed in the failed state.

Story: 2008058
Task: 40739
Depends-On: https://review.opendev.org/c/openstack/python-dracclient/+/748571
Change-Id: I11b92612d6686b7133ddef67068664c9b81df30e

1 files changed, 8 insertions, 0 deletions

diff --git a/releasenotes/notes/bug-2008058-fix-factory-reset-status.yaml-52a6119b46e33b37.yaml b/releasenotes/notes/bug-2008058-fix-factory-reset-status.yaml-52a6119b46e33b37.yaml
new file mode 100644
index 000000000..a31af15b8
--- /dev/null
+++ b/releasenotes/notes/bug-2008058-fix-factory-reset-status.yaml-52a6119b46e33b37.yaml
@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    Fixes the ``idrac-wsman`` BIOS ``factory_reset`` clean and deploy step to
+    indicate success and update the cached BIOS settings to their defaults only
+    when the BIOS settings have actually been reset. See story
+    `2008058 <https://storyboard.openstack.org/#!/story/2008058>`_ for more
+    details.