[ovirt-users] How to invoke ovirt-guest-agent hook from ovirt engine SDK ?

[Yaniv Kaul]

On Jan 3, 2017 7:37 AM, "TranceWorldLogic ." <tranceworldlogic at gmail.com>
wrote:

Hi,

It look interesting.
Would you please point me some document that cover in detail ?

I was looking for mechanism where I can monitor guest application.
If application get failed or crash then I need to restart or start other VM.


Such monitoring should probably be done outside the VM.

Is it possible in ovirt ?


There's a fence_rhevm script in the fence-agents pacakge, but it needs a
bit of tweaking to work with 4.x
Y.

I though I will use hook but as you explain it clear me that my understand
was wrong.
Thanks for your help.

Thanks,
~Rohit


On Mon, Jan 2, 2017 at 1:04 PM, Vinzenz Feenstra <vfeenstr at redhat.com>
wrote:

>
> > On Dec 30, 2016, at 11:03 AM, TranceWorldLogic . <
> tranceworldlogic at gmail.com> wrote:
> >
> > HI,
>
> Hi there,
>
> >
> > I was exploring more about ovirt-gueste-engin.
> > It look to me very easy to configure add add hook as script.
> >
> > But my doubt is, how to invoke those script from ovirt-engine ?
> > Please some one help me to understand this part.
> > I am looking into python SDK code to figure out same but still not got
> luck
>
> Guest agent hooks aren’t triggered through the SDK, hooks are triggered
> when certain events happen on the hypervisor side.
> e.g. A VM gets migrated from HOST A to HOST B or the VM gets suspended. In
> these cases VDSM _can_ send a message to the guest
> agent asking it to process all hooks.
>
> That those hooks are enabled are depending on the migration policy
> configured. Currently all but the ‘Legacy’  migration policies do cause the
> hooks to be executed, given a new enough guest agent, VDSM and cluster
> version.
> HTH
>
>
> >
> > Thanks,
> > ~Rohit
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
>
>

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