[ovirt-users] Ovirt Java SDK access to 'next run' configuration

[Sebastien Fuchs]

This works fine with sdk4. Thanks.
Unfortunately I couldn't find away to update cpu_shares config: can't set
any update option to update it now or later and no error from the API.


On Mon, Jul 11, 2016 at 1:07 PM, Juan Hernández <jhernand at redhat.com> wrote:

> On 07/08/2016 04:09 PM, Sebastien Fuchs wrote:
> > Hi,
> >
> > I'm developping (in JAVA) an automatic configuration manager to modify
> > memory and cpu allocation (cpushares for the moment) updated on a
> > calendar basis. It will also be used as a kind of enforcer/elastic
> > scheduler on top of the ovirt policy scheduler.
> >
> > Because oVirt is not yet able to update memory and cpushares on live
> > guests like XenServer, my configurator needs to know the running config
> > and the next_run config as well, and force directly the config on live
> > guests (with virsh schedinfo --live arg ? ).
> >
> > Unfortunately, the Host.getVMs().getById( "uuid" ) method returns only
> > the running config so there's no way I can check if the future config is
> > setup.
> >
> > Any suggestion?
> >
>
> Version 3 of the SDK doesn't support GET parameters, unfortunately. If
> you are using version 4 of the engine then you may consider using
> version 4 of the SDK, which does support them:
>
> ---8<---
> import static org.ovirt.engine.sdk4.ConnectionBuilder.connection;
>
> import org.ovirt.engine.sdk4.Connection;
> import org.ovirt.engine.sdk4.services.VmService;
> import org.ovirt.engine.sdk4.services.VmsService;
> import org.ovirt.engine.sdk4.types.Vm;
>
> // This example will connect to the server and start a virtual machine:
> public class GetVmNextRun {
>     public static void main(String[] args) throws Exception {
>         // Create the connection to the server:
>         Connection connection = connection()
>             .url("https://engine41.example.com/ovirt-engine/api")
>             .user("admin at internal")
>             .password("...")
>             .trustStoreFile("truststore.jks")
>             .build();
>
>         // Get the reference to the "vms" service:
>         VmsService vmsService = connection.systemService().vmsService();
>
>         // Find the virtual machine (we need this in order to find
>         // the identifier of the virtual machine given its
>         // name):
>         Vm vm = vmsService.list()
>             .search("name=myvm")
>             .send()
>             .vms()
>             .get(0);
>
>         // Locate the service that manages the virtual machine:
>         VmService vmService = vmsService.vmService(vm.id());
>
>         // Call the "get" method using the "next_run" parameter to
>         //  retrieve the configuration of the virtual machine that
>         // will be used the next time it is started:
>         vm = vmService.get()
>             .nextRun(true)
>             .send()
>             .vm();
>
>         // Print some details of the virtual machine:
>         System.out.printf("cpu shares: %s", vm.cpuShares());
>
>         // Close the connection to the server:
>         connection.close();
>     }
> }
> --->8---
>
> If this isn't an alternative for you, then please open a bug requesting
> that this support is added to version 3 of the SDK.
>
> --
> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
> 3ºD, 28016 Madrid, Spain
> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20160712/09b48b76/attachment-0001.html>