[one-users] Shutting down a VM from within the VM

[Nistor Andrei]

Hi,

Maybe you can use libvirt hooks[1] to notify oned via the xmlrpc that the
VMs have shut down?

[1] http://libvirt.org/hooks.html

Andrei


On Fri, Oct 4, 2013 at 6:45 PM, Simon Boulet <simon at nostalgeek.com> wrote:

> Hi,
>
> Here our driver reports the state as returned by Libvirt [1], which
> reports VM terminated from the inside (shutdown) as Paused. When the
> OpenNebula driver sees a VM as being reported as paused [2], it
> switches the VM to SUSPENDED state in OpenNebula. Then you can restart
> the VM by issuing the resume action [3].
>
> So, I think OpenNebula has the building blocks for that, but I'm just
> unsure how it is implemented in the different OpenNebula drivers.
>
> [1]
> http://wiki.libvirt.org/page/VM_lifecycle#States_that_a_guest_domain_can_be_in
> [2] http://opennebula.org/documentation:rel4.2:devel-vmm#poll_information
> [3] http://opennebula.org/documentation:rel4.2:api#onevmaction
>
> Simon
>
> On Fri, Oct 4, 2013 at 9:43 AM, Parag Mhashilkar <parag at fnal.gov> wrote:
> > Hi Sharuzzaman,
> >
> > Thanks for your response. I am aware of the fact that OpenNebula
> requires human intervention when shutdown is issued from inside the VM. We
> can write scripts to do lot of things, but when in the business of resource
> provisioning, the resource provider does not necessarily control what runs
> in the VM, application that launches them and for obvious reasons I am not
> giving any access to ONE's database to the users. So these alternatives
> seem merely hacks rather than a much cleaner solution from the service.
> >
> > Such a feature is useful from a infrastructure provider's point of view.
> If AWS has done it (and Openstack I think) then there be a way out.
> >
> > -Parag
> >
> >
> > On Oct 3, 2013, at 9:27 PM, Sharuzzaman Ahmat Raslan wrote:
> >
> >> Hi Parag,
> >>
> >> I believe OpenNebula need to have human intervention to really
> determine whether to remove or not the VM that it has deployed.
> >>
> >> I also think that you can write a script that signal or call OpenNebula
> command as soon as the task finish, to shutdown the VM. Or if direct
> calling command not possible, maybe your application can write some status
> in a database, and a script in OpenNebula read that status and make
> decision from it.
> >>
> >> Thanks.
> >>
> >>
> >> On Thu, Oct 3, 2013 at 11:38 PM, Parag Mhashilkar <parag at fnal.gov>
> wrote:
> >> Hi,
> >>
> >> Does OpenNebula EC2 interface support shutting down a VM from with in
> the VM itself and have the scheduler recognize that VM has been
> stopped/shutdown? How do we enable this feature? At Fermi, we have
> OpenNebula v3.2 and when the VM is shutdown it stays in the UNKNOWN state.
> Can OpenNebula get this ACPI shutdown info from virsh and handle the
> situation more gracefully rather than putting the VM in UKNOWN state?
> >>
> >> Here is an example why I think something like this is useful:
> >>
> >> When VMs are launched to perform certain tasks (classical equivalent of
> batch nodes), only the processes running in the VM know when the task is
> done and can shutdown the VM freeing up the resources. Running VM past the
> task life is wasted resources and controlling the lifetime of VM from
> outside is not always possible.
> >>
> >> In case of AWS, it supports following which is very good feature to
> have when controlling the VMs in above scenario.
> >> ec2-run-instaces --instance-initiated-shutdown-behavior <stop|terminate>
> >>
> >> How do we achieve this with Opennebula?
> >>
> >> Thanks & Regards
> >> +==========================================================
> >> | Parag Mhashilkar
> >> | Fermi National Accelerator Laboratory, MS 120
> >> | Wilson & Kirk Road, Batavia, IL - 60510
> >> |----------------------------------------------------------
> >> | Phone: 1 (630) 840-6530 Fax: 1 (630) 840-2783
> >> |----------------------------------------------------------
> >> | Wilson Hall, 806E (Nov 8, 2012 - To date)
> >> | Wilson Hall, 867E (Nov 17, 2010 - Nov 7, 2012)
> >> | Wilson Hall, 863E (Apr 24, 2007 - Nov 16, 2010)
> >> | Wilson Hall, 856E (Mar 21, 2005 - Apr 23, 2007)
> >> +==========================================================
> >>
> >>
> >> _______________________________________________
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> >>
> >>
> >>
> >>
> >> --
> >> Sharuzzaman Ahmat Raslan
> >
> >
> > _______________________________________________
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> >
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