Ankit Agrawal ec9d5e375e libvirt: Race condition leads to instance in error
ImageCacheManager deletes base image while image backend is copying
image to the instance path leading instance to go in the error state.

Acquired lock before removing image from cache. If libvirt is copying
image to the instance path, image cache manager won't be able to remove
it until libvirt finishes copying image completely.

Closes-Bug: 1256838
Closes-Bug: 1470437
Co-Authored-By: Michael Still <mikal@stillhq.com>
Depends-On: I337ce28e2fc516c91bec61ca3639ebff0029ad49
Change-Id: I376cc951922c338669fdf3f83da83e0d3cea1532
2016-02-05 20:48:58 +00:00
2014-05-07 12:14:26 -07:00
2014-11-12 15:31:06 -05:00
2012-02-08 19:30:39 -08:00
2010-05-27 23:05:26 -07:00
2015-05-23 03:22:07 +10:00
2014-05-07 16:06:24 -07:00
2016-01-26 03:55:45 +00:00
2015-09-17 16:41:48 +00:00

OpenStack Nova README
=====================

OpenStack Nova provides a cloud computing fabric controller,
supporting a wide variety of virtualization technologies,
including KVM, Xen, LXC, VMware, and more. In addition to
its native API, it includes compatibility with the commonly
encountered Amazon EC2 and S3 APIs.

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.

Nova primarily consists of a set of Python daemons, though
it requires and integrates with a number of native system
components for databases, messaging and virtualization
capabilities.

To keep updated with new developments in the OpenStack project
follow `@openstack <http://twitter.com/openstack>`_ on Twitter.

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

   http://docs.openstack.org

For information about the different compute (hypervisor) drivers
supported by Nova, read this page on the wiki:

   https://wiki.openstack.org/wiki/HypervisorSupportMatrix

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 wishing to work on the OpenStack Nova project should
always base their work on the latest Nova code, available from
the master GIT repository at:

   https://git.openstack.org/cgit/openstack/nova

Developers should also join the discussion on the mailing list,
at:

   http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

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/

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

-- End of broadcast
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