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neutron
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OpenStack Networking (Neutron)
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Swaminathan Vasudevan 9dc70ed77e DVR: Clear SNAT namespace when agent restarts after router move 
When we manually move a router from one dvr_snat node to
another dvr_snat node the snat_namespace should be removed in
the originating node by the agent and will be re-created in the
destination node by the destination agent.

But when the agent dies, the router_update message reaches the
agent after the agent restarts. At this time the agent should
remove the snat_namespace since it is no more hosted by the
current agent.

Even though we do have logic in agent to take care of cleaning
up the snat namespaces if the gw_port_host does not match with the
existing agent host, in this particular use case the self.snat_namespace
is always set to 'None' in the dvr_edge_router init call when agent
restarts.

This patch fixes the above issue by initializing the snat namespace
object during the router_init. Since we do have a valid snat
namespace object and if the gw_port_host mismatches, the agent
should clean up the namespace.

Change-Id: I30524dc77b743429ef70941479c9b6cccb21c23c
Closes-Bug: #1557909
 		2016-05-04 11:09:26 -07:00
bin Close XenAPI sessions in neutron-rootwrap-xen-dom0 2016-03-18 13:05:09 -05:00
devstack Remove BGP code from neutron 2016-04-25 21:54:06 -07:00
doc Merge "Policies: additional go-to contacts for IPv6 bugs" 2016-05-02 22:12:26 +00:00
etc Remove BGP code from neutron 2016-04-25 21:54:06 -07:00
neutron DVR: Clear SNAT namespace when agent restarts after router move 2016-05-04 11:09:26 -07:00
rally-jobs Increase ports per network and add SLA for rally 2016-04-01 23:09:19 +00:00
releasenotes Revert "ML2: Configure path_mtu to default to 1500 bytes" 2016-04-21 15:50:34 +02:00
tools Merge "milestone-review-dash detect current milestone" 2016-04-12 05:06:32 +00:00
.coveragerc Change ignore-errors to ignore_errors 2015-09-21 14:31:29 +00:00
.gitignore Automatically generate neutron core configuration files 2015-11-27 15:22:59 +00:00
.gitreview Fix .gitreview to not point at a branch 2015-08-17 13:51:51 -06:00
.mailmap Add mailmap entry 2014-05-16 13:40:04 -04:00
.pylintrc Start using neutron-lib for shared constants and exceptions 2016-02-10 16:41:18 -07:00
.testr.conf .testr.conf: revert workaround of testtools bug 2016-02-19 14:29:07 +01:00
CONTRIBUTING.rst Workflow documentation is now in infra-manual 2014-12-05 03:30:37 +00:00
HACKING.rst Hacking rule to check i18n usage 2016-03-30 21:28:37 -04:00
LICENSE Adding Apache Version 2.0 license file. This is the official license agreement under which Quantum code is available to 2011-08-08 12:31:04 -07:00
MANIFEST.in Include alembic versions directory to the package 2015-10-21 07:26:24 +00:00
README.rst Update the URLs to the Cloud Admin Guide 2015-08-24 17:24:34 +02:00
TESTING.rst Move away from invoking api tests explicitly 2016-04-15 17:13:59 +00:00
babel.cfg Use babel to generate translation file 2013-01-24 00:20:32 +08:00
openstack-common.conf remove openstack-common.conf 2016-01-08 12:58:59 +08:00
requirements.txt Updated from global requirements 2016-04-19 12:25:40 +00:00
run_tests.sh Remove check for bash usage 2015-04-07 15:15:33 +00:00
setup.cfg Remove BGP code from neutron 2016-04-25 21:54:06 -07:00
setup.py Updated from global requirements 2015-09-21 18:56:49 +00:00
test-requirements.txt Move away from invoking api tests explicitly 2016-04-15 17:13:59 +00:00
tox.ini Revert "Switch to inheriting hacking checks from neutron-lib" 2016-04-24 15:19:20 +00:00

README.rst

Welcome!

You have come across a cloud computing network fabric controller. It has identified itself as "Neutron." It aims to tame your (cloud) networking!

External Resources:

The homepage for Neutron is: http://launchpad.net/neutron. Use this site for asking for help, and filing bugs. Code is available on git.openstack.org at <http://git.openstack.org/cgit/openstack/neutron>.

The latest and most in-depth documentation on how to use Neutron is available at: <http://docs.openstack.org>. This includes:

Neutron Administrator Guide

http://docs.openstack.org/admin-guide-cloud/networking.html

Networking Guide

http://docs.openstack.org/networking-guide/

Neutron API Reference:

http://docs.openstack.org/api/openstack-network/2.0/content/

Current Neutron developer documentation is available at:

http://wiki.openstack.org/NeutronDevelopment

For help on usage and hacking of Neutron, please send mail to <mailto:openstack-dev@lists.openstack.org>.

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