[ovirt-users] How to use virt-sysprep

Joel Diaz mrjoeldiaz at gmail.com
Fri May 19 18:42:17 UTC 2017


Arik,

After adding the snapshot repo, and updating the engine, I now see the seal
option.

Thanks again,

Joel



On May 19, 2017 1:07 PM, "Arik Hadas" <ahadas at redhat.com> wrote:

>
>
> On Fri, May 19, 2017 at 7:22 PM, Joel Diaz <mrjoeldiaz at gmail.com> wrote:
>
>> I ran yum update on my three host and the engine VM so I believe an up to
>> date on all the packages. How can I check if I am on version 4.1.2?
>>
>
> You can find the engine's version in the 'About' dialog (at the top-right
> corner of the screen of the webadmin). If you don't use the
> 'ovirt-4.1-snapshot' repository then it makes sense that you didn't get
> this update yet.
>
>
>> I restarted the httpd and ovirt-engine service after the updates, but
>> still don't the seal option.
>>
>> Thanks,
>>
>> On May 19, 2017 11:49 AM, "Arik Hadas" <ahadas at redhat.com> wrote:
>>
>>
>>
>> On Fri, May 19, 2017 at 4:10 PM, Joel Diaz <mrjoeldiaz at gmail.com> wrote:
>>
>>> Arik,
>>>
>>> Very cool. It's exactly what I was looking for.
>>>
>>> However, I don't see that checkbox. I've attached an image of what the
>>> template window looks like on my end. Maybe I'm looking in the wrong place?
>>>
>>
>> No , you're looking at the right place. This feature got in pretty late
>> in the release cycle of 4.1, so it is available from 4.1.2. Maybe the
>> version you are using is lower than that?
>>
>>
>>>
>>> Thanks for the response,
>>>
>>> On May 18, 2017 12:29 PM, "Arik Hadas" <ahadas at redhat.com> wrote:
>>>
>>>>
>>>>
>>>> On Thu, May 18, 2017 at 10:40 AM, Luca 'remix_tj' Lorenzetto <
>>>> lorenzetto.luca at gmail.com> wrote:
>>>>
>>>>> Hello Joel,
>>>>>
>>>>> as far as i know, virt-sysprep has to be executed inside the VM before
>>>>> cloning it to template. This removes some infos from the VM like udev
>>>>> rules & ssh keys.
>>>>>
>>>>>
>>>> So this has changed in 4.1. You can now choose to seal a template
>>>> during its creation. This will take a VM, that may have not been sealed,
>>>> create a template out of it and then invoke virt-sysprep on the template's
>>>> disks.
>>>>
>>>> Joel, in the 'make template' dialog you'll see a checkbox (at the
>>>> bottom) for 'Seal Template' that will do the trick. There is also a 'seal'
>>>> parameter in the REST-API, of course [1].
>>>>
>>>> [1] https://github.com/oVirt/ovirt-engine-api-model/blob/mas
>>>> ter/src/main/java/services/TemplatesService.java#L168
>>>>
>>>>
>>>>>
>>>>> Luca
>>>>>
>>>>> On Wed, May 17, 2017 at 8:53 PM, Joel Diaz <mrjoeldiaz at gmail.com>
>>>>> wrote:
>>>>> > Good afternoon ovirt users,
>>>>> >
>>>>> > I'm new to ovirt. I've created templates in the past using this
>>>>> guide,
>>>>> > https://github.com/rharmonson/richtech/wiki/CentOS-7-1511-Mi
>>>>> nimal-oVirt-Template
>>>>> > .
>>>>> >
>>>>> > I was going over the list of features and stumbled on to
>>>>> virt-sysprep.
>>>>> >
>>>>> > http://www.ovirt.org/develop/release-management/features/vir
>>>>> t-sysprep/
>>>>> >
>>>>> >  http://libguestfs.org/virt-sysprep.1.html
>>>>> >
>>>>> > How can I use virt-sysprep from within ovirt to create templates?
>>>>> >
>>>>> > Thank you for your help,
>>>>> >
>>>>> > Joel
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> > Joel
>>>>> >
>>>>> >
>>>>> > _______________________________________________
>>>>> > Users mailing list
>>>>> > Users at ovirt.org
>>>>> > http://lists.ovirt.org/mailman/listinfo/users
>>>>> >
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>>>>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>>>>> macchine"
>>>>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>>>>
>>>>> "Internet è la più grande biblioteca del mondo.
>>>>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>>>>> John Allen Paulos, Matematico (1945-vivente)
>>>>>
>>>>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
>>>>> lorenzetto.luca at gmail.com>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at ovirt.org
>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>
>>>>
>>>>
>>
>>
>
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