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API microversion 2.76: Add 'power-update' external event

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This patch adds a new external event called "power-update"
through which ironic will convey all (power_off and power_on)
power state changes (running -> shutdown or shutdown -> running
will be the only ones handled by nova and the rest will be ignored)
on a physical instance to nova. The database will be updated
accordingly to reflect the real vm_state and power_state of the
instance. This way nova will not be able to enforce
an incorrect power state on the physical instance during
the periodic "sync_power_states" task.

Implements blueprint nova-support-instance-power-update
Story: 2004969
Task: 29423

Change-Id: I2b292050cc3ce5ef625659f5a1fe56bb76072496
This commit is contained in:
Surya Seetharaman
2019-03-22 16:03:56 +01:00
committed by Matt Riedemann
parent b26bc7fd7a
commit 62f6a0a1bc
23 changed files with 635 additions and 20 deletions
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api-ref/source/os-server-external-events.inc
+3 -3
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@@ -7,11 +7,11 @@
.. warning::
This is an ``admin`` level service API only designed to be used by
other OpenStack services. The point of this API is to coordinate
between Nova and Neutron, Nova and Cinder (and potentially future
services) on activities they both need to be involved in,
between Nova and Neutron, Nova and Cinder, Nova and Ironic (and potentially
future services) on activities they both need to be involved in,
such as network hotplugging.
Unless you are writing Neutron or Cinder code you **should not**
Unless you are writing Neutron, Cinder or Ironic code you **should not**
be using this API.
Creates one or more external events. The API dispatches each event to a