[ovirt-users] [Python-SDK][Ovirt-4.0] Create VM on specific Host.

[TranceWorldLogic .]

Hi Juan,

It working fine. affinity and hosts have solved my problem.

Thanks,
~Rohit


On Wed, Apr 19, 2017 at 5:16 PM, Juan Hernández <jhernand at redhat.com> wrote:

> On 04/19/2017 01:27 PM, TranceWorldLogic . wrote:
> > Hi,
> >
> > It is working fine.
> > But I want to disable migration policy. It didn't solve my purpose.
> >
> > What else I have to do to disable migration ?
> >
>
> Not sure what exactly you want to achieve. Can you elaborate a bit?
>
> If in addition to pin the VM to a host you also want to disable
> migration, you can use the Vm.placement_policy.affinity attribute:
>
>   vm = vms_service.add(
>     vm=types.Vm(
>       ...
>       placement_policy=types.VmPlacementPolicy(
>         hosts=[
>           types.Host(name='host-01')
>         ],
>         affinity=types.VmAffinity.PINNED
>       )
>     )
>   )
>
> Martin, I think that you can explain better than me what are the
> meanings of the values of the VmAffinity enum, and what is it
> relationship to pinning. Would be nice to have that documented in the
> specification of the API.
>
> >
> >
> > On Wed, Apr 19, 2017 at 1:36 PM, TranceWorldLogic .
> > <tranceworldlogic at gmail.com <mailto:tranceworldlogic at gmail.com>> wrote:
> >
> >     Thanks will try and let you know,
> >     ~Rohit
> >
> >     On Wed, Apr 19, 2017 at 1:18 PM, Juan Hernández <jhernand at redhat.com
> >     <mailto:jhernand at redhat.com>> wrote:
> >
> >         On 04/19/2017 09:34 AM, Juan Hernández wrote:
> >         > On 04/19/2017 08:41 AM, TranceWorldLogic . wrote:
> >         >> Hi,
> >         >>
> >         >> I was trying to create VM on specific HOST using python sdk
> >         as shown below.
> >         >>
> >         >> ------ Code -------------------
> >         >> vm = vms_service.add(  ....
> >         >>                         host = types.Host(
> >         >>                             name = "host-01",
> >         >>                         ),
> >         >>           )
> >         >> ------ End Code -------------------
> >         >>
> >         >> It created VM successfully, but when I see in ovirt GUI I saw
> >         that VM is
> >         >> not bonded with specific host.
> >         >>
> >         >> Ovirt GUI:
> >         >> Virtual Machines -> click on VM -> "Edit" button -> In
> >         advance menu ->
> >         >> "Host" tab
> >         >> Start Running On:
> >         >>    o  Any Host in Cluster  <== This option got selected
> >         >>    o  Specific Host(s)   <== *I want this option to select.*
> >         >>
> >         >> Please help me to bind VM to specific Host via Python SDK
> >         >>
> >         >
> >         > The Vm.host attribute is used only to indicate in what host is
> >         the VM
> >         > currently running.
> >         >
> >         > To pin the VM to a set of hosts you have to use
> >         Vm.placement_policy, as
> >         > described here:
> >         >
> >         >
> >         >
> >         http://ovirt.github.io/ovirt-engine-api-model/4.1/#types/
> vm/attributes/placement_policy
> >         <http://ovirt.github.io/ovirt-engine-api-model/4.1/#types/
> vm/attributes/placement_policy>
> >         >
> >         > With the Python SDK it should be something like this:
> >         >
> >         >   vm = vms_service.add(
> >         >     vm=types.Vm(
> >         >       ...
> >         >       placement_policy=types.PlacementPolicy(
> >         >         hosts=[
> >         >           types.Host(name='host-01')
> >         >         ]
> >         >       )
> >         >     )
> >         >   )
> >         >
> >
> >         Sorry, the name of the type is incorrect, should be
> >         'types.VmPlacementPolicy'. So the complete example should be
> >         like this:
> >
> >           vm = vms_service.add(
> >             vm=types.Vm(
> >               ...
> >               placement_policy=types.VmPlacementPolicy(
> >                 hosts=[
> >                   types.Host(name='host-01')
> >                 ]
> >               )
> >             )
> >           )
> >
> >
> >
>
>
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