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OpenStack Compute (Nova)
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Daniel P. Berrange c8ec9ebf37 virt: set address space & CPU time limits when running qemu-img 
This uses the new 'prlimit' parameter for oslo.concurrency execute
method, to set an address space limit of 1GB and CPU time limit
of 2 seconds, when running qemu-img.

This is a re-implementation of the previously reverted commit

commit da217205f5
Author: Tristan Cacqueray <tdecacqu@redhat.com>
Date:   Wed Aug 5 17:17:04 2015 +0000

    virt: Use preexec_fn to ulimit qemu-img info call

NOTE(mriedem): The backport depends on raising the minimum
required oslo.concurrency>=3.7.1 which contains the prlimits
fix for this change, the code fails without it.

Depends-on: I157a6fc88836da73814ae46c8991ddefc5066c96
Closes-Bug: #1449062
Change-Id: I135b5242af1bfdcb0ea09a6fcda21fc03a6fbe7d
(cherry picked from commit 068d851561)
 		2016-06-10 17:21:27 -04:00
api-guide/source fixed typo in word "OpenStack" 2016-03-13 00:31:32 +00:00
contrib Merge "changed quantum to neutron in vif-openstack" 2014-03-05 10:45:05 +00:00
devstack Update cells blacklist regex for test_server_basic_ops 2016-03-27 20:29:37 -04:00
doc Typo fix in documentation 2016-03-14 15:08:31 -07:00
etc/nova Abort an ongoing live migration 2016-02-26 15:11:41 +00:00
nova virt: set address space & CPU time limits when running qemu-img 2016-06-10 17:21:27 -04:00
plugins/xenserver Merge "plugins/xenserver: Resolve PEP8 issues" 2016-03-10 14:27:09 +00:00
releasenotes virt: set address space & CPU time limits when running qemu-img 2016-06-10 17:21:27 -04:00
tools Merge "Add a tool for reserving migration placeholders during release time" 2016-02-10 19:48:44 +00:00
.coveragerc Change ignore-errors to ignore_errors 2015-09-21 14:34:39 +00:00
.gitignore Merge "Add reno for release notes management" 2015-11-13 16:24:51 +00:00
.gitreview Update .gitreview for stable/mitaka 2016-03-16 19:16:46 +01:00
.mailmap Add mailmap entry 2014-05-07 12:14:26 -07:00
.testr.conf Add tox -e functional 2014-11-12 15:31:06 -05:00
CONTRIBUTING.rst Workflow documentation is now in infra-manual 2014-12-05 03:30:37 +00:00
HACKING.rst Hacking: check for deprecated os.popen() 2016-02-19 21:55:20 -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 Update links in README 2014-05-07 16:06:24 -07:00
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
openstack-common.conf Use imageutils from oslo.utils 2016-02-16 18:34:43 +08:00
requirements.txt virt: set address space & CPU time limits when running qemu-img 2016-06-10 17:21:27 -04:00
run_tests.sh Add description on how to run ./run_test.sh -8 2016-01-11 13:17:04 +00:00
setup.cfg register the config generator default hook with the right name 2016-03-11 16:02:05 -05:00
setup.py Updated from global requirements 2015-09-17 16:41:48 +00:00
test-requirements.txt Updated from global requirements 2016-04-18 15:05:25 +00:00
tests-py3.txt XenAPI: introduce unit test for XenAPI plugins 2016-03-02 06:54:06 +00:00
tox.ini use stable/mitaka upper-constraints 2016-04-18 17:55:49 +01:00

README.rst

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 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.

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