Re: [one-users] VM description/comment

Tue, 23 Oct 2012 05:32:04 -0700 

Dear Ruben,

first of all, sorry for delay with reply!
Please, see my comments inline.

Ruben S. Montero wrote on 19/10/12 00:34:

Hi Ricardo + Nikolay
You are right, one thing we have in our short roadmap is to add a generic metada section for VMs. This metadata could be updated using the *update* functionality currently present for other commands. 
sounds encouraging! Is any information when such feature is planned to be 
implemented?
Just to give you the rationale behind not having this yet. As you probably know the VM template is extended once the VM created with control data (e.g. DISK_ID's, specifric LEASES, SOURCE for DISK...) for obvious reasons we do not want a user to modify this. 
seems reasonable

So we will split this in two, one for the control data and other to be 
used/modified by the user.
For now, as Nikolay suggests this limit somehow part of the out-of-the-box functionality (e.g. adding DESCRIPTION in a bulk submission), this functionality will need a custom program using OCA. About parsing the out put of onevm show, note that you can always get the full pool information with onevm list -x (TEMPLATE included) the onevm list command just parse and pick some of this info and present it in a tabular form... 
Thanks a lot for detailed reply and explanations!

Regards,
Nikolay.


THANKS FOR YOUR FEEDBACK!

On Thu, Oct 18, 2012 at 10:21 AM, <[email protected] <mailto:[email protected]>> 
wrote:

    Hi Ruben,

    Ruben S. Montero wrote on 17/10/12 14:42:

        Hi

        Why not using the name of the VM for this?.....

    The name of the VM I would like to use to put hostname in it and perhaps 
use $NAME in
    contextualization as e.g.

    CONTEXT=[
      HOSTNAME="$NAME.domain.org <http://NAME.domain.org>" ]

    But that would make a sense in case when one could be possible to specify 
IP address in
    'onetemplate instantiate' command.


        Also if you want to append any arbitrary data to the VM (at creation) 
you can simply added
        to the VM template as:

        DESCRIPTION="this is a web server, use 1234 as root password"

        This will be stored in the template ans can be queried with the onevm 
show command or in
        the Template tab in Sunstone

    As far as I understand that will work for a creation of a single VM but 
won't if I need to
    create a bunch of VMs with help of 'onetemplate instantiate' command.
    Is there any way to modify certain deployed VM's config to add arbitrary 
data like e.g.
    DESCRIPTION field (something like 'onevm update')?
    Moreover, in my opinion it's not convenient to parse the output of 'onevm 
show' command when I
    need to get a list of all VMs e.g. what have a word "web" in its 
description. It would be more
    convenient to have a separate column for that as I wrote before. But 
probably to do that there
    is a need to modify DB schema which is not desirable I guess.

    Regards,
    Nikolay.


        Cheers

        Ruben


        On Tue, Oct 16, 2012 at 4:02 PM, <[email protected] 
<mailto:[email protected]>
        <mailto:[email protected] <mailto:[email protected]>>> wrote:

            Dear list,

            I wonder if there is any way to specify some text as a 
description/comment for a
        certain VM in
            order to be able toquery such info later e.g. during 'onevm list' 
command execution. I
        just
            don't want to get lost in all my VMs and which one is for what.
            I would like to have something like
            $ onevm list
ID USER GROUP NAME STAT UCPU UMEM HOST TIME DESCRIPTION 11 oneadmin oneadmin one-11 runn 100 1G <host1> 0d 02h07 web-server 12 oneadmin oneadmin one-12 runn 1001G <host1> 0d 02h03 mail-server 13 oneadmin oneadmin one-13 runn 100 1G <host2> 0d 00h17 development server 


            Regards,
            Nikolay.
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-- Ruben S. Montero, PhD 
        Project co-Lead and Chief Architect
        OpenNebula - The Open Source Solution for Data Center Virtualization
        www.OpenNebula.org <http://www.OpenNebula.org> 
<http://www.OpenNebula.org> |
        [email protected] <mailto:[email protected]>
        <mailto:[email protected] <mailto:[email protected]>> | 
@OpenNebula






--
Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org <http://www.OpenNebula.org> | [email protected] <mailto:[email protected]> | @OpenNebula 

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