[DVR] Lost snat after very long recovering destroyed node

Bug #1546093 reported by Kristina Berezovskaia
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Mirantis OpenStack
Fix Released
MOS Maintenance
Won't Fix
MOS Maintenance
Fix Released
Oleg Bondarev

Bug Description

After start previously destroyed node, env was recovering very long and snat for 2 routers was dissapeared

1. net-1, subnet-1, net-2, subnet-2, dvr-router with gateway and interfaces to both nets
2. vm1 in net-1, vm2 in net-2
3. net-3, subnet-3, router-3 with gateway and interface to net-3
4. vm3 in net-3
5. default router router04
6. snat for this routers:
router-1 - node-2
router04 and router-2 - node-4
7. Destroy controller node-2
8. After destroying snat for routers:
router-1 - node-5
router04 and router-2 - node-4
9. Start destroyed node-2
Recovering was too long and after some time (when all agents became alive) we can see that router-1 is on node-2 and there are no snat for router04 and router-2

This situation was only once
Logs in attachment

Revision history for this message
Kristina Berezovskaia (kkuznetsova) wrote :
Revision history for this message
Oleg Bondarev (obondarev) wrote :

Upstream bug: https://bugs.launchpad.net/neutron/+bug/1524908
Upstream fix to be backported to 8.0-updates: https://review.openstack.org/#/c/255989/

Changed in mos:
status: New → Confirmed
assignee: Oleg Bondarev (obondarev) → MOS Maintenance (mos-maintenance)
tags: added: release-notes
Revision history for this message
Vitaly Sedelnik (vsedelnik) wrote :

Won't Fix for 8.0-updates because of Medium importance. Targeted to 9.0

tags: added: wontfix-low
tags: added: on-verification
Revision history for this message
Kristina Berezovskaia (kkuznetsova) wrote :

Verify on
cat /etc/fuel_build_id:
cat /etc/fuel_build_number:
cat /etc/fuel_release:
cat /etc/fuel_openstack_version:
rpm -qa | egrep 'fuel|astute|network-checker|nailgun|packetary|shotgun':

Repeated steps several times. Rescheduling worked correctly

tags: removed: on-verification
Revision history for this message
Fuel Devops McRobotson (fuel-devops-robot) wrote : Related fix merged to mos/mos-docs (master)

Reviewed: https://review.fuel-infra.org/22322
Submitter: Evgeny Konstantinov <email address hidden>
Branch: master

Commit: 1ae110b5c882e71f7c9c41e5c3b0cdc7e0228c41
Author: Evgeny Konstantinov <email address hidden>
Date: Wed Jun 22 10:32:23 2016

Add Netron resolved issue 9.0

Related-Bug: #1546093

Change-Id: I8d5b8401c8983d1a6bda63bc2f6dc469e21f5c7b

tags: added: release-notes-done
removed: release-notes
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