[PKG-Openstack-devel] Bug#870001: Bug#870001: openvswitch-switch: switch takes a very long time to start or fails without upstream's SYSTEMCTL_SKIP_REDIRECT=yes

[Thomas Goirand]

On 12/16/2017 09:41 PM, Michael Biebl wrote:
> On Fri, 28 Jul 2017 18:51:18 +0200 John Keates <john at keates.nl> wrote:
>> Package: openvswitch-switch
>> Version: 2.6.2~pre+git20161223-3
>> Severity: important
>>
>> Dear Maintainer,
>>
>> I setup openvswitch-switch with a small number of switches that have one physical interface each. Upon boot, they get configured extremely slow, taking over half an hour to get basic networking up.
>>
>> On IRC and the upstream repository, I found out that systemd now needs SYSTEMCTL_SKIP_REDIRECT=yes on newer systems, on top of the existing _SYSTEMCTL_SKIP_REDIRECT=yes. This is added in the upstream version, but not in the current versions in Stretch, Buster or Sid.
> 
> SYSTEMCTL_SKIP_REDIRECT is an internal implementation detail of the
> systemd lsb hook and should *never* be used in an init scripts directly.
> 
> You should get to the bottom this and find out why the SysV init script
> is slow to start up instead of applying workarounds/hacks.
> 
> @Thomas: Please remove this hack from the init script

Hi Michael,

I've taken the maintenance of OpenVSwitch only very recently, I was not
the one that wrote this. What does SYSTEMCTL_SKIP_REDIRECT does? I will
indeed remove it as I trust you, but I'd like to understand first.

Also, I tried to add some systemd service files, taking them from
Ubuntu, but quickly reverted, as it failed badly. Michael, could you
help me to write something better? Here's the commit reverting the
previous addition of Ubuntu's .service files:

https://anonscm.debian.org/cgit/openstack/third-party/openvswitch.git/commit/?id=02178a600660694bd9886652642e23952b9f93ac

Any comment here?

Also, as for this specific bug, what do you suggest to do for the
Stretch version, keeping in mind that the stable release team wont
accept too much change?

Thanks in advance if you can help,
Cheers,

Thomas Goirand (zigo)