[Bug 1915829] Please test proposed package
Robie Basak
1915829 at bugs.launchpad.net
Tue Apr 13 12:45:09 UTC 2021
Hello Frode, or anyone else affected,
Accepted openvswitch into focal-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/openvswitch/2.13.3-0ubuntu0.20.04.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed. Your feedback will aid us getting this
update out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance for helping!
N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.
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https://bugs.launchpad.net/bugs/1915829
Title:
FQDN / hostname recorded in OVSDB is unreliable
Status in Ubuntu Cloud Archive:
Fix Released
Status in Ubuntu Cloud Archive ussuri series:
Triaged
Status in Ubuntu Cloud Archive victoria series:
Triaged
Status in Ubuntu Cloud Archive wallaby series:
Fix Released
Status in openvswitch package in Ubuntu:
Fix Released
Status in openvswitch source package in Focal:
Fix Committed
Status in openvswitch source package in Groovy:
Fix Committed
Status in openvswitch source package in Hirsute:
Fix Released
Bug description:
[ Impact ]
The Open vSwitch init script `ovs-ctl` determines the system hostname
and records it in the `external-ids:hostname` field of the `Open-
vSwitch` table in the local OVSDB.
This value may be consumed by downstream software and having it unset
or set to a incorrect value could lead to erratic behavior of a
system.
In recent Ubuntu development we have also made it possible to
configure Open vSwitch with netplan.io, which allows for a Open
vSwitch controlled data path to be the only external network
connection on a system.
As such the current startup sequence of Open vSwitch is insufficient
to allow for reliable recording of FQDN / hostname at system boot-up
time.
Examples of downstream issues can be viewed in bug 1896630 and bug
1912844 comment #26.
[ Test Case ]
1) Use MAAS 2.9, configure a machine with Open vSwitch bridge for networking and deploy.
2) Confirm that without the change the hostname recorded in Open vSwitch is `ubuntu`.
3) Add a PPA with the updated Open vSwitch package to MAAS.
4) Re-deploy and confirm that the hostname recorded in Open vSwitch matches the FQDN as provided by MAAS.
[ Regression potential ]
Minimal, the update uses the exact same methods to accomplish the end
result of recording the hostname as before, we have only re-ordered
when the events occur to ensure successful operation.
[racb] A new service is added in packaging. Users who have overridden
existing services to change behaviour (eg. "disable all OVS-related
services") may have that configuration not have the same effect after
this update (eg. "I thought I disabled all OVS-related services but
what's this ovs-record-hostname thing now?")
[ Other Info ]
A possible solution to this would be to extend the upstream `ovs-ctl`
script to allow controlling when the hostname is recorded and adding a
new Systemd service file to the package that calls the `record-
hostname` function at a more appropriate time, i.e. after or as part
of the `network-online.target`.
An example of downstream issues can be viewed in bug 1896630.
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