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neutron
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OpenStack Networking (Neutron)
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Stefan Nica b3af52e738 Keepalived global_defs configuration entries required to avoid DNS lookup 
This changeset addresses a particular L3-HA Neutron deployment scenario
in which the DNS server configured for the management network is not
also accessible from the virtual router namespace (i.e. over the
external network).
Keepalived uses the hostname against getaddrinfo twice to set default
values for the router_id and notification_email_from global configuration
attributes. If the hostname cannot be resolved through /etc/hosts and
if the nameserver is not reachable, long delays are incurred during
keepalived startup and configuration reload, causing VRRP state flapping
and dropped traffic over floating IPs.

Setting router_id and notification_email_from in the keepalived
configuration avoids unnecessary DNS lookups. However, this solution
is only effective with keepalived >= 1.2.17. Older versions still
exhibit the same problem with or without this patch.

Closes-Bug: #1511722
Change-Id: If6e31d164bd6ade52997bc0073ef50cdbc99ec93
 		2016-09-16 22:54:11 +03:00
api-ref Fix some typos 2016-06-28 22:46:19 +02:00
bin Close XenAPI sessions in neutron-rootwrap-xen-dom0 2016-03-18 13:05:09 -05:00
devstack devstack: the last fix of is_kernel_supported_for_ovs25 condition 2016-09-13 11:21:30 +02:00
doc Add release note for blueprint vlan-aware-vms 2016-09-09 13:30:22 -07:00
etc Neutron versions api now has its own middleware pipeline 2016-09-08 13:17:28 -07:00
neutron Keepalived global_defs configuration entries required to avoid DNS lookup 2016-09-16 22:54:11 +03:00
rally-jobs Increase rally network/port count and add quotas 2016-08-18 10:51:46 +00:00
releasenotes Merge "Add release note for blueprint vlan-aware-vms" 2016-09-15 08:49:47 +00:00
tools Merge "Make milestone-review-dash script pull all Stadium projects" 2016-09-01 11:37:44 +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 pylint: remove 'openstack' from ignore list 2016-09-08 16:39:02 +00:00
.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 Prevent use filter(lambda obj: test(obj), data) 2016-09-14 16:23:32 +07:00
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 corrected the link in README.rst 2016-08-01 23:48:05 +08:00
TESTING.rst Add information about using file based sqlite for unit tests 2016-07-25 23:54:38 +00:00
babel.cfg Use babel to generate translation file 2013-01-24 00:20:32 +08:00
requirements.txt Updated from global requirements 2016-09-09 23:48:20 +00:00
run_tests.sh Remove check for bash usage 2015-04-07 15:15:33 +00:00
setup.cfg Remove FWaaS entries from neutron setup.cfg 2016-08-29 19:09:07 +00:00
setup.py Updated from global requirements 2015-09-21 18:56:49 +00:00
test-requirements.txt Updated from global requirements 2016-09-01 04:58:44 +00:00
tox.ini Add tool to list moved globals 2016-08-18 10:14:42 -04:00

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/networking.html

Neutron Developer Guide

http://docs.openstack.org/developer/neutron/devref/

Networking Guide

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

Neutron API Reference:

http://developer.openstack.org/api-ref/networking/v2/

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.