Chandan Kumar (raukadah) 9dea55bd64 Drop code from Host maintenance strategy migrating instance to disabled hosts
Currently host maintenance strategy also migrate instances from maintenance
node to watcher_disabled compute nodes.

watcher_disabled compute nodes might be disabled for some other purpose
by different strategy. If host maintenace use those compute nodes for
migration, It might affect customer workloads.

Host maintenance strategy should never touch disabled hosts unless the user
specify a disable host as backup node.

This cr drops the logic for using disabled compute node for maintenance.
Host maintaince is already using nova schedular for migrating the
instance, will use the same. If there is no available node, strategy
will fail.

Closes-Bug: #2109945

Change-Id: If9795fd06f684eb67d553405cebd8a30887c3997
Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>
2025-05-14 09:24:25 +05:30
2019-06-27 14:56:52 +08:00
2019-04-19 19:40:45 +00:00
2015-06-04 15:27:57 +02:00
2018-07-10 15:38:50 +07:00
2025-05-02 17:41:06 +00:00
2017-04-07 10:55:59 +08:00
2018-02-28 03:58:07 +00:00
2015-06-04 15:27:57 +02:00
2020-04-09 02:37:00 +00:00

=======
Watcher
=======

.. image:: https://governance.openstack.org/tc/badges/watcher.svg
    :target: https://governance.openstack.org/tc/reference/tags/index.html

.. Change things from this point on

..
      Except where otherwise noted, this document is licensed under Creative
      Commons Attribution 3.0 License.  You can view the license at:

          https://creativecommons.org/licenses/by/3.0/

OpenStack Watcher provides a flexible and scalable resource optimization
service for multi-tenant OpenStack-based clouds.
Watcher provides a robust framework to realize a wide range of cloud
optimization goals, including the reduction of data center
operating costs, increased system performance via intelligent virtual machine
migration, increased energy efficiency and more!

* Free software: Apache license
* Wiki: https://wiki.openstack.org/wiki/Watcher
* Source: https://opendev.org/openstack/watcher
* Bugs: https://bugs.launchpad.net/watcher
* Documentation: https://docs.openstack.org/watcher/latest/
* Release notes: https://docs.openstack.org/releasenotes/watcher/
* Design specifications: https://specs.openstack.org/openstack/watcher-specs/
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