[Users] how do you connect to a host's serial console

Jeremiah Jahn jeremiah at goodinassociates.com
Mon Apr 7 20:24:58 UTC 2014


And just to verify... All hooking scripts have to be placed on each
host by hand?

On Mon, Apr 7, 2014 at 2:40 PM, Antoni Segura Puimedon
<asegurap at redhat.com> wrote:
>
>
> ----- Original Message -----
>> From: "Michal Skrivanek" <michal.skrivanek at redhat.com>
>> To: "Jeremiah Jahn" <jeremiah at goodinassociates.com>
>> Cc: users at ovirt.org
>> Sent: Monday, April 7, 2014 4:31:11 PM
>> Subject: Re: [Users] how do you connect to a host's serial console
>>
>>
>> On Apr 7, 2014, at 16:23 , Jeremiah Jahn <jeremiah at goodinassociates.com>
>> wrote:
>>
>> > thx, So dumb question at this point. I'm in the process of moving from
>> > virt-manager to ovirt.  virsh has an edit domain function, or I can
>> > edit the xml by hand. I'm able to locate the xml on the host, but
>> > obviously if I edit it by hand it will be replaced by vdsm. I'm having
>> > a hell of a time trying to find the xml on the engine, so that I can
>> > try modifying the xml to add a serial console.  Based on that code
>> > that's all that's really going on with that patch. So I'd think I can
>> > wing it by modifying the db or xml directly.  Just not sure where to
>> > go to do so.  I'm guessing I could go into vm_device and replace
>> > device='virtio-serial' with 'serial'  but that seems to easy. Any
>> > pointers you've got on how the xml is stored or produced would be
>> > great.
>>
>> It's a bit more complicated than that....there's no XML stored in the backend.
>> You'd be better off applying the patch over and compile yourself:)
>> The supported way of how to amend the libvirt XML is via VDSM hooks. You need
>> to intercept the created XML and add whatever is needed, see
>> http://www.ovirt.org/VDSM-Hooks, some of the examples can be used as a base
>> for what you're trying to do...
>
> Yup, before_vm_start before_vm_migrate should allow you to do what you want.
>
>>
>> Thanks,
>> michal
>>
>> >
>> > On Mon, Apr 7, 2014 at 9:00 AM, Michal Skrivanek
>> > <michal.skrivanek at redhat.com> wrote:
>> >>
>> >> On Apr 7, 2014, at 15:57 , Jeremiah Jahn <jeremiah at goodinassociates.com>
>> >> wrote:
>> >>
>> >>> So do you think this is a 3.5 thing or a 3.4.1 thing? It's exactly
>> >>> what I need, just curious how long I'll have to wait. I know this is
>> >>> every developers favorite question.
>> >>
>> >> one needs to nag Vinzenz frequently enough....:-D
>> >>
>> >> ....but should be 3.4.1
>> >>
>> >> Thanks,
>> >> michal
>> >>
>> >>>
>> >>> On Mon, Apr 7, 2014 at 5:58 AM, Michal Skrivanek
>> >>> <michal.skrivanek at redhat.com> wrote:
>> >>>>
>> >>>> On Apr 6, 2014, at 21:50 , Jeremiah Jahn <jeremiah at goodinassociates.com>
>> >>>> wrote:
>> >>>>
>> >>>>> I just can't seem to figure this out.  I've enabled 'VirtIO Console
>> >>>>> Device' yet I can't seem to find anyplace that will let me get there.
>> >>>>> If I go to virsh on the host and try ttyconsoe that doesn't  work
>> >>>>> either.  thanks for any help.
>> >>>>
>> >>>> Does not work. Pending this[1] patch to get in.
>> >>>>
>> >>>> Thanks,
>> >>>> michal
>> >>>>
>> >>>> [1] http://gerrit.ovirt.org/#/c/25979/
>> >>>>
>> >>>>> _______________________________________________
>> >>>>> Users mailing list
>> >>>>> Users at ovirt.org
>> >>>>> http://lists.ovirt.org/mailman/listinfo/users
>> >>>>
>> >>
>>
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