[ovirt-users] Autostart VMS

[Brett I. Holcomb]

On Wed, 2016-04-06 at 21:44 +0200, Joop wrote:
> On 6-4-2016 21:10, Brett I. Holcomb wrote:
> > 
> > On Wed, 2016-04-06 at 13:42 -0400, Adam Litke wrote:
> > > 
> > > On 06/04/16 01:46 -0400, Brett I. Holcomb wrote:
> > > > 
> > > > In VMware we could setup guests to autostart when the host
> > > > started
> > > > and define the order.  Is that doable in oVirt?  The only thing
> > > > I've
> > > > seen is the watchdog and tell it to reset but nothing that
> > > > allows me
> > > > to define who starts up when and if they autostart.  I assume
> > > > it's
> > > > there but I must be missing it or haven't found it in the web
> > > > portal. 
> > > 
> > > In oVirt guests aren't tied to a host by default (although you
> > > can set
> > > them to run only on a specific host if you want).  The closest
> > > thing I
> > > can think of would be the High Availability features (VM->Edit).
> > > oVirt will try to restart highly available VMs if they go
> > > down.  You
> > > can also set the priority for migration and restart in that pane.
> > > Hopefully a combination of host pinning and the  high
> > > availability
> > > settings will get you close enough to where you want to be.
> > > 
> > > Otherwise, you could always do some scripting with the ovirt REST
> > > API
> > > using the SDK or CLI.
> > > 
> > If you had the VMware migration extra add-on you could have hosts
> > move
> > as needed so they were not tied to any host either but we could set
> > a
> > startup order and specify auto, manual so that once the host
> > started
> > the VMs were brought up as specified no matter what host they were
> > running on.  
> > 
> > I am running hosted-engine deployment with the Engine VM on the
> > host.
> > 
> > I set highly available on, did not pin to any host, and also set
> > the
> > watchdog which should reset if they go down but I'm not sure that
> > will
> > start them if the host comes up and the VMs are not running.  I'll
> > look at the CLI first.
> > 
> > It would be nice if oVirt added this feature as it's really
> > required
> > for large installations and is a help for any size installation,
> > even
> > small ones.
> > 
> Maybe there is a another way. It involves ovirt-shell and/or a sdk
> script. The idea is the create a custom property and set that to for
> example, y:01 or n:02 and yes that to read that back if the host
> comes
> up and start the vms if they have 'y' and use the number for
> ordering.
> If reading back the properties is a problem you might be able to
> 'use'
> the tagging feature todo something similar.
> 
> You can always create a RFE on the ovirt bugtracker.
> 
> Joop
> 
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I'll do that.  It's really a needed feature to make administration
easier.
I finally got the ovirt-shell connected with the help of this https://b
ugzilla.redhat.com/show_bug.cgi?id=1186365.  The silly thing can't
handle no domain and the error doesn't tell you that.
Oh, well.  We'll play with this and then check out the A
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