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neutron
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OpenStack Networking (Neutron)
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Rodolfo Alonso Hernandez 3f022a193f Delay HA router transition from "backup" to "master" 
As described in the bug, when a HA router transitions from "master" to
"backup", "keepalived" processes will set the virtual IP in all other
HA routers. Each HA router will then advert it and "keepalived" will
decide, according to a trivial algorithm (higher interface IP), which
one should be "master". At this point, the other "keepalived" processes
running in the other servers, will remove the HA router virtual IP
assigned an instant before

To avoid transitioning some routers form "backup" to "master" and then
to "backup" in a very short period, this patch delays the "backup" to
"master" transition, waiting for a possible new "backup" state. If
during the waiting period (set to the HA VRRP advert time, 2 seconds
default) to set the HA state to "master", the L3 agent receives a new
"backup" HA state, the L3 agent does nothing.

Closes-Bug: #1837635

Change-Id: I70037da9cdd0f8448e0af8dd96b4e3f5de5728ad
 		2019-08-27 16:47:00 +00:00
api-ref Fix some typos 2016-06-28 22:46:19 +02:00
bin Use os-xenapi for neutron when XenServer as hypervisor 2017-03-30 18:33:37 +00:00
devstack Switch to use configure_keystone_authtoken_middleware in devstack plugin 2019-07-01 13:50:33 +02:00
doc Merge "Remove eventlet import from docs conf.py" 2019-08-24 15:45:37 +00:00
etc Kill all processes running in a namespace before deletion 2019-08-21 09:03:54 +00:00
neutron Delay HA router transition from "backup" to "master" 2019-08-27 16:47:00 +00:00
playbooks OpenDev Migration Patch 2019-04-19 19:38:27 +00:00
rally-jobs Rally task definition for port binding scenario 2019-07-08 13:25:46 +02:00
releasenotes DVR: Ignore DHCP port during DVR host query 2019-08-21 05:35:19 +00:00
roles Fix log directory permissions for functional job 2019-08-03 12:06:32 +00:00
tools Fix tools/configure_for_func_testing.sh 2019-08-04 17:46:38 +08:00
.coveragerc Cleanup coverage configuration 2016-10-17 17:06:19 +05:30
.gitignore Removing existing dirs from .gitignore 2019-05-31 13:35:30 +00:00
.gitreview OpenDev Migration Patch 2019-04-19 19:38:27 +00:00
.mailmap Add mailmap entry 2014-05-16 13:40:04 -04:00
.pylintrc Fix pylint R1717 (consider-using-dict-comprehension) refactor messages 2019-03-14 23:19:58 +00:00
.stestr.conf Fix post gate hook to accommodate for new os-testr 2017-09-12 14:20:12 -06:00
.zuul.yaml Run 'tempest-ipv6-only' job in gate 2019-07-24 08:40:50 +00:00
CONTRIBUTING.rst Update link for contribution 2017-08-31 16:44:51 +02:00
HACKING.rst Update the documentation link for doc migration 2017-07-22 18:46:13 +09:00
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
README.rst Update mailinglist from dev to discuss 2018-12-12 12:44:12 +08:00
TESTING.rst Merge "Fix some formatting issues in TESTING.rst" 2019-04-25 12:10:35 +00:00
babel.cfg Use babel to generate translation file 2013-01-24 00:20:32 +08:00
bindep.txt Add libffi-dev to bindep.txt 2017-06-13 19:26:49 +00:00
lower-constraints.txt bump neutron-lib to 1.29.0 2019-08-22 14:45:13 +02:00
requirements.txt bump neutron-lib to 1.29.0 2019-08-22 14:45:13 +02:00
setup.cfg fix NetworkSegmentRange OVO entry point 2019-06-06 09:31:26 -06:00
setup.py Updated from global requirements 2017-03-04 11:19:58 +00:00
test-requirements.txt Blacklist bandit 1.6.0 due to directory exclusion bug 2019-05-09 21:00:54 -04:00
tox.ini Start enforcing E125 flake8 directive 2019-07-19 23:39:41 -04:00

README.rst

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Welcome!

To learn more about neutron:

Get in touch via email. Use [Neutron] in your subject.

To learn how to contribute:

CONTRIBUTING.rst