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OpenStack Compute (Nova)
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John Garbutt 017e853b95 Stop failed live-migrates getting stuck migrating 
When there are failures in driver.cleanup, we are seeing live-migrations
that get stuck in the live-migrating state. While there has been a patch
to stop the cause listed in the bug this closes, there are other
failures (such as a token timeout when talking to cinder or neutron)
that could trigger this same failure mode.

When we hit an error this late in live-migration, it should be a very
rare event, so its best to just put the instance and migration into an
error state, and help alert both the operator and API user to the
failure that has occurred.

For backport into Newton, 'migrate_instance_start' had to be patched
in the unit test (nova/tests/unit/compute/test_compute.py).

Closes-Bug: #1662626

Change-Id: Idfdce9e7dd8106af01db0358ada15737cb846395
(cherry picked from commit b56f8fc2d1)
(cherry picked from commit 012fa9353f)
 		2017-06-14 16:24:21 +00:00
api-guide/source Merge "Change api-site to v2.1 format" 2016-09-08 15:57:36 +00:00
api-ref/source Add flavor extra_spec info link to api_ref 2016-11-16 02:20:20 +00:00
contrib Merge "changed quantum to neutron in vif-openstack" 2014-03-05 10:45:05 +00:00
devstack Skip test_stamp_pattern in cells v1 job 2017-02-14 12:40:08 -05:00
doc Prepare for using standard python tests 2017-02-09 19:06:37 +01:00
etc/nova Remove nova.network namespace from nova-config-generator.conf 2016-07-28 18:14:12 -04:00
nova Stop failed live-migrates getting stuck migrating 2017-06-14 16:24:21 +00:00
plugins/xenserver plugins/xenserver: Resolve PEP8 issues 2016-08-15 18:11:49 +01:00
releasenotes Handle special characters in database connection URL netloc 2017-05-22 12:43:11 -04:00
tools Prepare for using standard python tests 2017-02-09 19:06:37 +01:00
.coveragerc Change ignore-errors to ignore_errors 2015-09-21 14:34:39 +00:00
.gitignore Ignore generated merged policy files 2016-08-31 08:54:25 -07:00
.gitreview Update .gitreview for stable/newton 2016-09-16 09:59:46 +02:00
.mailmap Add mailmap entry 2014-05-07 12:14:26 -07:00
.testr.conf Add initial framing of placement API 2016-07-29 10:31:36 +00:00
CONTRIBUTING.rst Workflow documentation is now in infra-manual 2014-12-05 03:30:37 +00:00
HACKING.rst Remove hacking check [N347] for config options. 2016-08-11 14:23:21 +02:00
LICENSE initial commit 2010-05-27 23:05:26 -07:00
MAINTAINERS Add a maintainers file 2015-05-23 03:22:07 +10:00
README.rst Refresh README and its docs links 2016-08-08 10:26:08 +01:00
babel.cfg Get rid of distutils.extra. 2012-02-08 19:30:39 -08:00
bandit.yaml Add bandit for security static analysis testing 2015-07-02 09:17:48 -07:00
bindep.txt List system dependencies for running common tests 2016-08-24 06:49:32 +02:00
requirements.txt Updated from global requirements 2017-05-22 21:09:25 +00:00
run_tests.sh Add description on how to run ./run_test.sh -8 2016-01-11 13:17:04 +00:00
setup.cfg Merge "Adds nova-policy-check cmd" 2016-09-01 17:56:56 +00:00
setup.py Updated from global requirements 2015-09-17 16:41:48 +00:00
test-requirements.txt Move wsgi-intercept to test-requirements.txt 2017-04-20 13:56:07 +00:00
tests-py3.txt Remove nova/api/validator.py 2016-08-16 09:52:29 +00:00
tox.ini Update UPPER_CONSTRAINTS_FILE for stable/newton 2016-09-16 09:59:58 +02:00

README.rst

OpenStack Nova

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, XenServer and OpenStack Ironic.

OpenStack Nova is distributed under the terms of the Apache License, Version 2.0. The full terms and conditions of this license are detailed in the LICENSE file.

API

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

http://developer.openstack.org/api-guide/compute/ http://developer.openstack.org/api-ref/compute/

For more information on OpenStack APIs, SDKs and CLIs, please see:

http://www.openstack.org/appdev/ http://developer.openstack.org/

Operators

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

http://docs.openstack.org

For information about the different compute (hypervisor) drivers supported by Nova, please read:

http://docs.openstack.org/developer/nova/feature_classification.html

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:

http://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:

http://docs.openstack.org/developer/nova/