On 4 April 2018 at 08:13, Aaron Conole <acon...@redhat.com> wrote:
> Gurucharan Shetty <g...@ovn.org> writes:
>
> > Currently, when we do a 'service openvswitch stop',
> > '/var/run/openvswitch' gets deleted. This is a problem
> > if you have other users (like OVN) using the same
> > runtime directory since we delete all the files
> > related to ovsdb-server backing OVN's databases.
> >
> > This commit fixes it by removing the runtime directory
> > information from the systemd unit file.
> >
> > CC: acon...@redhat.com
> > Signed-off-by: Gurucharan Shetty <g...@ovn.org>
> > ---
> > I don't know whether there are other drawbacks of removing
> > 'RuntimeDirectory'
>
> Hi Guru,
>
> I noticed that if I use 'systemctl restart openvswitch' with the
> ovn-northd service running, I get the following output:
>
> 11:06:40 aconole {master} ~/git/ovs$ ls -lah /var/run/openvswitch/
> total 24K
> drwxr-xr-x. 2 openvswitch openvswitch 360 Apr 4 11:06 .
> drwxr-xr-x. 44 root root 1.3K Apr 4 11:06 ..
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:06 br0.mgmt
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:06 br0.snoop
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:06 db.sock
> srwxr-x---. 1 root root 0 Apr 4 11:06 ovnnb_db.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:06 ovnnb_db.pid
> srwxr-x---. 1 root root 0 Apr 4 11:06 ovnnb_db.sock
> srwxr-x---. 1 root root 0 Apr 4 11:06
> ovn-northd.30673.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:06 ovn-northd.pid
> srwxr-x---. 1 root root 0 Apr 4 11:06 ovnsb_db.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:06 ovnsb_db.pid
> srwxr-x---. 1 root root 0 Apr 4 11:06 ovnsb_db.sock
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:06
> ovsdb-server.30569.ctl
> -rw-r--r--. 1 openvswitch openvswitch 6 Apr 4 11:06 ovsdb-server.pid
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:06
> ovs-vswitchd.30612.ctl
> -rw-r--r--. 1 openvswitch openvswitch 6 Apr 4 11:06 ovs-vswitchd.pid
> -rw-r--r--. 1 root root 43 Apr 4 11:06 useropts
> 11:06:47 aconole {master} ~/git/ovs$ ps aux | grep ovn-northd\
> root 30673 0.0 0.0 27544 2952 ? S< 11:06 0:00
> ovn-northd -vconsole:emer -vsyslog:err -vfile:info
> --ovnnb-db=unix:/run/openvswitch/ovnnb_db.sock
> --ovnsb-db=unix:/run/openvswitch/ovnsb_db.sock --no-chdir
> --log-file=/var/log/openvswitch/ovn-northd.log
> --pidfile=/run/openvswitch/ovn-northd.pid
> --detach --monitor
> aconole 30730 0.0 0.0 119532 1048 pts/0 S+ 11:07 0:00 grep
> --color=auto northd
> 11:09:22 aconole {master} ~/git/ovs$ sudo systemctl restart
> openvswitch.service 11:09:24 aconole {master} ~/git/ovs$ ls -lah
> /var/run/openvswitch/
> total 24K
> drwxr-xr-x. 2 openvswitch openvswitch 360 Apr 4 11:09 .
> drwxr-xr-x. 44 root root 1.3K Apr 4 11:09 ..
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:09 br0.mgmt
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:09 br0.snoop
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:09 db.sock
> srwxr-x---. 1 root root 0 Apr 4 11:09 ovnnb_db.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:09 ovnnb_db.pid
> srwxr-x---. 1 root root 0 Apr 4 11:09 ovnnb_db.sock
> srwxr-x---. 1 root root 0 Apr 4 11:09
> ovn-northd.31264.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:09 ovn-northd.pid
> srwxr-x---. 1 root root 0 Apr 4 11:09 ovnsb_db.ctl
> -rw-r--r--. 1 root root 6 Apr 4 11:09 ovnsb_db.pid
> srwxr-x---. 1 root root 0 Apr 4 11:09 ovnsb_db.sock
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:09
> ovsdb-server.31160.ctl
> -rw-r--r--. 1 openvswitch openvswitch 6 Apr 4 11:09 ovsdb-server.pid
> srwxr-x---. 1 openvswitch openvswitch 0 Apr 4 11:09
> ovs-vswitchd.31203.ctl
> -rw-r--r--. 1 openvswitch openvswitch 6 Apr 4 11:09 ovs-vswitchd.pid
> -rw-r--r--. 1 root root 43 Apr 4 11:09 useropts
>
> This looks like both the ovn-northd and openvswitch services are
> restarting in concert (which is what I'd expect to happen due to the
> "Requires=" and "After=" stanzas).
>
> Is there a set of reproduction steps that helps demonstrates the issue?
>
> NOTE: I used 'sudo systemctl start ovn-northd' to start the northd
> service. Also note, this behavior seems to happen regardless of
> "RuntimeDirectory" setting.
>
In my case, I was using debian packages built by a university in newzealand
- https://packages.wand.net.nz/
They seem to have copied over the rhel systemd file over - but only for OVS
(not for OVN) and hence the difference.
Nevertheless, it looks like a big hammer to restart ovn-northd too when you
restart OVS. Thoughts?
> _______________________________________________
> dev mailing list
> d...@openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
_______________________________________________
dev mailing list
d...@openvswitch.org
https://mail.openvswitch.org/mailman/listinfo/ovs-dev
