** Changed in: cloud-archive/rocky
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1869808
Title:
reboot neutron-ovs-agent introduces a short interrupt of
This bug was fixed in the package neutron - 2:12.1.1-0ubuntu4~cloud0
---
neutron (2:12.1.1-0ubuntu4~cloud0) xenial-queens; urgency=medium
.
* New update for the Ubuntu Cloud Archive.
.
neutron (2:12.1.1-0ubuntu4) bionic; urgency=medium
.
* Fix interrupt of VLAN traffic on
This bug was fixed in the package neutron - 2:12.1.1-0ubuntu4
---
neutron (2:12.1.1-0ubuntu4) bionic; urgency=medium
* Fix interrupt of VLAN traffic on reboot of neutron-ovs-agent:
- d/p/0001-ovs-agent-signal-to-plugin-if-tunnel-refresh-needed.patch (LP:
#1853613)
-
Verified Xenial queens (uca) using [Test Plan] with output as follows:
# apt-cache policy neutron-common
neutron-common:
Installed: 2:12.1.1-0ubuntu4~cloud0
Candidate: 2:12.1.1-0ubuntu4~cloud0
Version table:
*** 2:12.1.1-0ubuntu4~cloud0 500
500
** Tags removed: verification-needed
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Title:
reboot neutron-ovs-agent introduces a short interrupt of vlan traffic
To manage notifications
Verified Bionic rocky (uca) using [Test Plan] with output as follows:
# apt-cache policy neutron-common
neutron-common:
Installed: 2:13.0.7-0ubuntu1~cloud3
Candidate: 2:13.0.7-0ubuntu1~cloud3
Version table:
*** 2:13.0.7-0ubuntu1~cloud3 500
500
Verified Bionic queens using [Test Plan] with output as follows:
# apt-cache policy neutron-common
neutron-common:
Installed: 2:12.1.1-0ubuntu4
Candidate: 2:12.1.1-0ubuntu4
Version table:
*** 2:12.1.1-0ubuntu4 500
500 http://nova.clouds.archive.ubuntu.com/ubuntu
Bionic-queens regression tests ran successfully:
23:25:18 ==
23:25:18 Totals
23:25:18 ==
23:25:18 Ran: 97 tests in 742.1731 sec.
23:25:18 - Passed: 89
23:25:18 - Skipped: 8
23:25:18 - Expected Fail: 0
23:25:18 - Unexpected Success: 0
23:25:18 - Failed: 0
23:25:18 Sum of execute time
I have specifically verified that this bug (vlan traffic interruption
during restart when rabbitmq is down) is fixed by the package in bionic-
proposed. Followed my reproduction steps per the Test Case and all
traffic to instances stops on 12.1.1-0ubuntu3 and does not stop on
12.1.1-0ubuntu4
But
Hello norman, or anyone else affected,
Accepted neutron into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/neutron/2:12.1.1-0ubuntu4 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Description changed:
(SRU template copied from comment 42)
[Impact]
- When there is a RabbitMQ or neutron-api outage, the neutron-
openvswitch-agent undergoes a "resync" process and temporarily blocks
all VM traffic. This always happens for a short time period (maybe <1
Looking to get this approved so that we can verify it, as needing this
ideally released by the weekend of March 27th for some maintenance
activity. Is something holding back the approval?
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New build has been uploaded to bionic unapproved queue -
https://launchpadlibrarian.net/526055760/neutron_12.1.1-0ubuntu4_source.changes.
Waiting for approval and then will verify.
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The new set of patches is as follows:
d/p/0001-ovs-agent-signal-to-plugin-if-tunnel-refresh-needed.patch (LP:
#1853613)
d/p/0002-Do-not-block-connection-between-br-int-and-br-phys-o.patch (LP:
#1869808)
d/p/0003-Ensure-that-stale-flows-are-cleaned-from-phys_bridge.patch (LP:
#1864822)
** Patch added: "lp1869808-bionic-queens.debdiff"
https://bugs.launchpad.net/neutron/+bug/1869808/+attachment/5471546/+files/lp1869808-bionic-queens.debdiff
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After a further review of the patches surrounding this issue I decided
to pull what looks more like a complete set of the associated patches
from stable/queens and have been testing a build that I am now happy
with. It behaves no differently to the current upload but supports
hopefully all the
neutron 2:12.1.1-0ubuntu4 is in the bionic unapproved queue:
https://launchpad.net/ubuntu/bionic/+queue?queue_state=1_text=neutron
neutron 2:13.0.7-0ubuntu1~cloud3 has been uploaded to rocky-staging
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Correction, stable/queens patches are the same as the attached debdiff.
I created stable/rocky patches based on upstream stable/stein.
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Title:
@Trent, thanks for the patches. I've modified them slightly to be
cherry-picked from upstream's stable/rocky branch.
** Changed in: cloud-archive/rocky
Status: New => Triaged
** Changed in: cloud-archive/rocky
Importance: Undecided => Critical
** Changed in: cloud-archive/queens
** Changed in: neutron (Ubuntu Bionic)
Importance: Undecided => Critical
** Changed in: neutron (Ubuntu Bionic)
Status: New => In Progress
** Changed in: neutron (Ubuntu Bionic)
Assignee: (unassigned) => Trent Lloyd (lathiat)
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** Description changed:
+ (SRU template copied from comment 42)
+
+ [Impact]
+
+ - When there is a RabbitMQ or neutron-api outage, the neutron-
+ openvswitch-agent undergoes a "resync" process and temporarily blocks
+ all VM traffic. This always happens for a short time period (maybe <1
+
** Changed in: cloud-archive/victoria
Status: New => Fix Released
** Changed in: cloud-archive/ussuri
Status: New => Fix Released
** Changed in: cloud-archive/train
Status: New => Fix Released
** Changed in: cloud-archive/stein
Status: New => Fix Released
** Changed
Attaching revised SRU patch for Ubuntu Bionic, no code content changes
but fixed the changelog to list all 3 bug numbers correctly.
** Patch added: "neutron SRU patch for Ubuntu Bionic (new version)"
Ubuntu SRU Justification
[Impact]
- When there is a RabbitMQ or neutron-api outage, the neutron-
openvswitch-agent undergoes a "resync" process and temporarily blocks
all VM traffic. This always happens for a short time period (maybe <1
second) but in some high scale environments this lasts for
SRU proposed for Ubuntu Bionic + Cloud Archive (Queens) for the following 3
bugs:
Bug #1869808 reboot neutron-ovs-agent introduces a short interrupt of vlan
traffic
Bug #1887148 Network loop between physical networks with DVR (Fix for fix to
Bug #1869808)
Bug #1871850 [L3] existing router
The attachment "debdiff for ubuntu cloud archive (queens)" seems to be a
debdiff. The ubuntu-sponsors team has been subscribed to the bug report
so that they can review and hopefully sponsor the debdiff. If the
attachment isn't a patch, please remove the "patch" flag from the
attachment, remove
** Also affects: neutron (Ubuntu)
Importance: Undecided
Status: New
** Also affects: neutron (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: neutron (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: neutron (Ubuntu Groovy)
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