On Mon, 4 Feb 2019 16:15:56 +0100
Dominik Holler <dhol...@redhat.com> wrote:

> On Mon, 4 Feb 2019 15:57:24 +0100
> Gianluca Cecchi <gianluca.cec...@gmail.com> wrote:
> 
> > On Mon, Feb 4, 2019 at 2:47 PM Gianluca Cecchi <gianluca.cec...@gmail.com>
> > wrote:
> > 
> > > On Fri, Feb 1, 2019 at 10:51 PM Dominik Holler <dhol...@redhat.com> wrote:
> > >
> > >> On Fri, 1 Feb 2019 22:35:00 +0200
> > >> Dan Kenigsberg <dan...@redhat.com> wrote:
> > >>
> > >> > On Fri, Feb 1, 2019 at 10:18 PM Dominik Holler <dhol...@redhat.com>
> > >> > wrote:
> > >> > >
> > >> > > On Fri, 1 Feb 2019 14:37:10 +0100
> > >> > > Gianluca Cecchi <gianluca.cec...@gmail.com> wrote:
> > >> > >
> > >> > > > Hello,
> > >> > > > at this moment (about two days ago) I have updated only engine
> > >> > > > (external, not self hosted) from 4.2.7.5 to 4.2.8.2
> > >> > > >
> > >> > > > As soon as I'm starting for the first time a VM with an ovn based
> > >> > > > nic I get what below in ovirt-provider-ovn.log
> > >> > > >
> > >> > > > In admin gui, if I try for example to start via "run once" I get:
> > >> > > > "
> > >> > > > Error while executing action Run VM once: Failed to communicate
> > >> > > > with the external provider, see log for additional details.
> > >> > > > "
> > >> > > > Any clue?
> > >> > >
> > >> > > The ovirt-provider-ovn fails during checking the credentials at
> > >> > > engine's sso because of a networking problem.
> > >> >
> > >> > That would be odd - after all we're using the loopback interface
> > >> > From: ::ffff:127.0.0.1:49582 Request: GET /v2.0/ports
> > >> > but please try the url.
> > >> >
> > >>
> > >> Communication from Engine to ovirt-provider-ovn via OpenStack API looks
> > >> good. The problem seems to be in the communication from
> > >> ovirt-provider-ovn to engine's sso.
> > >> The hostname to resolve seems to be 'engine-host'.
> > >>
> > >>
> > > Hi all, so it seems that updating from 4.2.7 to 4.2.8 wiped the file
> > > entirely...
> > >
> > > In fact now I only have:
> > >
> > >  [root@ovmgr1 ~]# ll /etc/ovirt-provider-ovn/conf.d/
> > > total 4
> > > -rw-r--r--. 1 root root 194 Jan 14 16:18 README
> > > [root@ovmgr1 ~]#
> > >
> > > While on another similar environment in 4.2.7 I still have:
> > >
> > > [root@ovirt ~]# ll /etc/ovirt-provider-ovn/conf.d/
> > > total 8
> > > -rw-r--r--. 1 root root 561 Dec 31  2017 10-setup-ovirt-provider-ovn.conf
> > > -rw-r--r--. 1 root root 194 Oct 17 05:56 README
> > > [root@ovirt ~]#
> > >
> > > So in my updated environment I think it tries to use the default file
> > > values in /etc/ovirt-provider-ovn/ovirt-provider-ovn.conf
> > > [OVIRT]
> > > ovirt-host=https://engine-host
> > >
> > > The question now is why it has been wiped out?
> > > This environment has external VM working as ovirt engine, so not SHE.
> > >
> > > I see that engine-backup doesn't run backup of the
> > > /etc/ovirt-provider-ovn/ ... could it be useful to include it?
> 
> Sounds like a valuable idea, would you create a bug?
> 

Bug 1630824 - engine-backup should backup ovirt-provider-ovn
https://bugzilla.redhat.com/1630824


> > > I should have a VSPhere image backup of the VM so I should be able to
> > > restore the file. I'll see...
> > >
> > > In the mean time could it be the update of the package has been the
> > > responsible?
> > > Eg, in my 4.2.7 env I currently have 
> > > ovirt-provider-ovn-1.2.16-1.el7.noarch
> > > The update to 4.2.8 in the other system has put
> > > in ovirt-provider-ovn-1.2.18-1.el7.noarch
> > >
> > > HIH debugging
> > > Gianluca
> > >
> > 
> > My update from 4.2.7 to 4.2.8 has been executed on 29th of January around
> > 18:00
> > I have restored a VM image the day before and it seems that
> > the  /etc/ovirt-provider-ovn/conf.d/10-setup-ovirt-provider-ovn.conf was
> > not there even before the update....
> > 
> > The diff between the
> > previous /etc/ovirt-provider-ovn/ovirt-provider-ovn.conf and the new one
> > put in place by the update is
> > 
> > [root@ovmgr1 ovirt-provider-ovn]# diff old_ovirt-provider-ovn.conf
> > ovirt-provider-ovn.conf
> > 11a12
> > > url_filter_exception=limit,page_reverse,next,previous
> > [root@ovmgr1 ovirt-provider-ovn]#
> > 
> > At this point, as it has been some time I didn't power up  VMs on OVN in
> > this environment, I go back with past updates.
> > On this environment the OVN part was installed manually when not yet
> > included in standard setup.
> > So I find this thread of mine about update from 4.1.9 to 4.2.3 on May 2018
> > I had a doubt about OVN and update and posted here:
> > https://www.mail-archive.com/users@ovirt.org/msg48491.html
> > 
> 
> Thanks for figuring this out.
> 
> > So based on Marcin feedback I selected NO for ovirt-ovn-provider question
> > and perhaps the following updates caused file to be removed... perhaps...
> 
> This file is generated by engine-setup if Yes is selected for
> ovirt-ovn-provider, so I expect the file never existed.
> 
> > How can I solve now?
> 
> Remove or rename the ovirt-provider-ovn provider in oVirt Engine, if it
> already exsits and run engine-setup with answer-file that has
> 'OVESETUP_OVN/ovirtProviderOvn' enabled: 
> 'OVESETUP_OVN/ovirtProviderOvn=bool:True' should do the trick.
> 
> Didi, can you please ack that this will not destroy something except
> ovirt-provider-ovn related things?
> 
> > Could it be that updating to 4.3 and selecting yes for ovn now, I get a new
> > config for it?
> > Or running engine-setup for 4.2.8?
> > Thanks,
> > Gianluca
> 
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