Bob Ball f985a11bc6 XenAPI: Refactor rotate_xen_guest_logs to avoid races
Moving console logs to a temporary file is a clear race when Nova tries to
access a file it might not be there.

We need to keep the readable file in place at all times.  Atomic operations
like mv are fine as if the file was opened before the mv operation Linux
will keep the contents available until the file is closed by Nova's plugin.

Futher, we need to be able to report the console logs from domains that have
been shutdown but still exist on the host.  Ensure we keep track of the domain
that we last booted with

Change-Id: Icfff9886d79f788be871bf28c8b729a57dcd94d2
Fixes-bug: 1466914
2015-06-26 12:17:38 +01:00
2013-09-02 16:03:34 +02:00
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
2012-07-05 09:11:37 -05:00
2015-03-19 14:28:00 -04:00
2014-05-07 16:06:24 -07:00
2015-04-07 10:24:39 +02:00
2014-04-30 02:43:45 +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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