[ovirt-users] Using VDSM to edit management interface

[Kirin van der Veer]

Ďakujem Peter, but this doesn't seem to work in my case.
/etc/resolv.conf is regenerated by Network Manager after a reboot and my
domain settings are lost.
Your comments regarding the reliance on DNS make sense for most
installations, but in my case oVirt is a secondary service that I would not
expect to run unless our core infrastructure is working correctly.
I'm hesitant to edit /etc/hosts directly, since that can lead to confusion
when the underlying IP addresses change.
For now I will hardcode the IPs of my servers.
It's frustrating (and surprising) that there is not an easy way to do this.

Kirin.

On Thu, Mar 15, 2018 at 5:17 PM, Peter Hudec <phudec at cnc.sk> wrote:

> Hi Kirin,
>
> I suggest to do it old way and edit the /etc/resolv.conf manually.
>
> And one advice. Do not relay on the DNS on infrastructure servers. Use
> /etc/hosts. If he DNS will not be accessible, you will have problem to
> put it infrastructure up/working. As side effect the hosts allow you
> to use short names to access servers.
>
> If you are ansible positive, you could use
>
> hudecof.resolv  https://galaxy.ansible.com/hudecof/resolv/
> hudecof.hosts   https://galaxy.ansible.com/hudecof/hosts/
>
>
>         Peter
>
> On 15/03/2018 06:03, Kirin van der Veer wrote:
> > Hi oVirt people, I have setup a new cluster consisting of many
> > oVirt Nodes with a single dedicated oVirt Engine machine. For the
> > most part things are working, however despite entering the DNS
> > search domain during install on the Nodes the management interface
> > is not aware of my search domain and it has not been added to
> > /etc/resolv.conf (perhaps that is unnecessary?). I eventually
> > worked out that the DNS search domain should be included in
> > /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt However as per the
> > header/warning, that file is generated by VDSM. I assumed that I
> > should be able to edit the search domain with vdsClient, but when I
> > run "vdsClient -m" I don't see any options related to network
> > config. I found the following page on DNS config:
> > https://www.ovirt.org/develop/release-management/features/network/
> allowExplicitDnsConfiguration/
> >
> >
> But it does not seem to offer a way of specifying the DNS search domain
> > (other than perhaps directly editing /etc/resolv.conf - which is
> > generated/managed by Network Manager). nmcli reports that all of my
> > interfaces (including ovirtmgmt) are "unmanaged". Indeed when I
> > attempt to run nmtui there is nothing listed to configure. This
> > should be really simple! I just want to add my local search domain
> > so I can use the short name for my NFS server. I'd appreciate any
> > advice.
> >
> > Thanks in advance, Kirin.
> >
> >
> > .
> >
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