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

[Michal Skrivanek]

On Apr 7, 2014, at 23:04 , Jeremiah Jahn <jeremiah at goodinassociates.com> wrote:

> that seems silly. Seems like the kinda thing that would be a nice
> feature to have in the webadmin stuff. esp if you have 100's of hosts.
> oh well, thanks for the help.

you're not supposed to need a hook under normal circumstances, when the functionality is useful enough it should be built into vdsm natively…well, that's in progress for this one for 3.4.1:)

Thanks,
michal

> 
> On Mon, Apr 7, 2014 at 3:46 PM, Michal Skrivanek
> <michal.skrivanek at redhat.com> wrote:
>> 
>> 
>>> On 07 Apr 2014, at 22:25, Jeremiah Jahn <jeremiah at goodinassociates.com> wrote:
>>> 
>>> And just to verify... All hooking scripts have to be placed on each
>>> host by hand?
>> 
>> Yes
>> 
>>> 
>>> 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/
>>>>>>>>> 
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>>>>>>>>>> Users at ovirt.org
>>>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>> 
>>>>>>> 
>>>>> 
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