Takashi Kajinami e5a34fffdf Clean up allocations left by evacuation when deleting service
When a compute node goes down and all instances on the compute node
are evacuated, allocation records about these instance are still left
in the source compute node until nova-compute service is again started
on the node. However if a compute node is completely broken, it is not
possible to start the service again.
In this situation deleting nova-compute service for the compute node
doesn't delete its resource provider record, and even if a user tries
to delete the resource provider, the delete request is rejected because
allocations are still left on that node.

This change ensures that remaining allocations left by successful
evacuations are cleared when deleting a nova-compute service, to avoid
any resource provider record left even if a compute node can't be
recovered. Migration records are still left in 'done' status to trigger
clean-up tasks in case the compute node is recovered later.

Closes-Bug: #1829479
Change-Id: I3ce6f6275bfe09d43718c3a491b3991a804027bd
2021-10-26 19:26:19 +09:00
2021-06-15 17:35:20 +01:00
2021-08-17 13:50:19 +01:00
2020-05-15 15:59:53 +01:00
2019-04-19 19:45:52 +00:00
2020-01-17 11:30:40 +00:00
2017-11-24 16:51:12 -05:00
2021-09-01 12:26:52 +01:00
2021-08-17 13:50:19 +01:00
2017-09-07 15:42:31 +02:00
2021-08-17 13:50:19 +01:00
2021-03-09 12:49:50 +00:00
2017-03-02 11:50:48 +00:00
2021-09-01 12:26:52 +01:00

==============
OpenStack Nova
==============

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

.. Change things from this point on


OpenStack Nova provides a cloud computing fabric controller, supporting a wide
variety of compute technologies, including: libvirt (KVM, Xen, LXC and more),
Hyper-V, VMware, OpenStack Ironic and PowerVM.

Use the following resources to learn more.

API
---

To learn how to use Nova's API, consult the documentation available online at:

- `Compute API Guide <https://docs.openstack.org/api-guide/compute/>`__
- `Compute API Reference <https://docs.openstack.org/api-ref/compute/>`__

For more information on OpenStack APIs, SDKs and CLIs in general, refer to:

- `OpenStack for App Developers <https://www.openstack.org/appdev/>`__
- `Development resources for OpenStack clouds
  <https://developer.openstack.org/>`__

Operators
---------

To learn how to deploy and configure OpenStack Nova, consult the documentation
available online at:

- `OpenStack Nova <https://docs.openstack.org/nova/>`__

In the unfortunate event that bugs are discovered, they should be reported to
the appropriate bug tracker. If you obtained the software from a 3rd party
operating system vendor, it is often wise to use their own bug tracker for
reporting problems. In all other cases use the master OpenStack bug tracker,
available at:

- `Bug Tracker <https://bugs.launchpad.net/nova>`__

Developers
----------

For information on how to contribute to Nova, please see the contents of the
CONTRIBUTING.rst.

Any new code must follow the development guidelines detailed in the HACKING.rst
file, and pass all unit tests.

Further developer focused documentation is available at:

- `Official Nova Documentation <https://docs.openstack.org/nova/>`__
- `Official Client Documentation
  <https://docs.openstack.org/python-novaclient/>`__

Other Information
-----------------

During each `Summit`_ and `Project Team Gathering`_, we agree on what the whole
community wants to focus on for the upcoming release. The plans for nova can
be found at:

- `Nova Specs <http://specs.openstack.org/openstack/nova-specs/>`__

.. _Summit: https://www.openstack.org/summit/
.. _Project Team Gathering: https://www.openstack.org/ptg/
S
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