On Mon, Feb 14, 2022 at 4:52 PM Nathanaël Blanchet <blanchet@abes.fr> wrote:

Hello,

I noticed that a vm created from a "sealed" template is initially mount
on one host with libguestfs, with a virt-sysprep process, before getting
ready to be used.

This should be unuseful given that the template is already sealed. Is
there a reason to that?

Yes, we do this in order to produce different LVM IDs and machine IDs for the provisioned VMs, see: https://gerrit.ovirt.org/c/ovirt-engine/+/115009

okay, but, I modified  the /usr/lib/python3.6/site-packages/vdsm/virtsysprep.py file like following:

args = ['--hostname', 'localhost', ''--selinux-relabel', '--update', '--network']"

in order to update packages on  template creation.

The template creation still works and the template is checked as sealed and os is updated, but now the vm creation never ends up and I have to manually kill the virt-sysprep process to stop the infinite process creation.

I believed it was a good workaround to get updated templates, but I had to rollback to default virt-sysprep args configuration, unless there is trick do to so?

--
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5       
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanchet@abes.fr
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-- 
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 	
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanchet@abes.fr