On 09/24/2012 09:56 PM, Don Dupuis wrote: > > I am using Ovirt 3.1 with the ovirt-engine-sdk. I have written a > python script using this sdk but I can't seem to get the > parameters right to change the cpu cores when creating the vm. All > the other parameters I want to change works just fine. Does anyone > have an example on how to do this. any reason you are trying to change number of cores per socket and not just the number of sockets? the API has: <cpu> <topology cores="1" sockets="1"/> </cpu>

----- Original Message ----- > From: "Don Dupuis" <dondster(a)gmail.com&gt; > To: "Itamar Heim" <iheim(a)redhat.com&gt; > Cc: users(a)ovirt.org > Sent: Monday, September 24, 2012 8:08:40 PM > Subject: Re: [Users] How to change number of cpu cores in Ovirt 3.1 with the python sdk. > > I know the layout of the xml stuff, but I am trying to use the python > sdk code such as an example > > vm_os = params.OperatingSystems(boot=[params.Boot(dev="hd")]) > > Don I think you want params.CpuTopology. I can't work out how to actually add that to the VM creation request though, I assigned it to the cpu parameter and didn't get an error but I also didn't get a VM with the assigned number of cores/sockets. Steve

----- Original Message ----- > From: "Steve Gordon" <sgordon(a)redhat.com&gt; > To: "Don Dupuis" <dondster(a)gmail.com&gt; > Cc: users(a)ovirt.org > Sent: Tuesday, September 25, 2012 10:44:31 AM > Subject: Re: [Users] How to change number of cpu cores in Ovirt 3.1 with the python sdk. > > ----- Original Message ----- > > From: "Don Dupuis" <dondster(a)gmail.com&gt; > > To: "Itamar Heim" <iheim(a)redhat.com&gt; > > Cc: users(a)ovirt.org > > Sent: Monday, September 24, 2012 8:08:40 PM > > Subject: Re: [Users] How to change number of cpu cores in Ovirt 3.1 > > with the python sdk. > > > > I know the layout of the xml stuff, but I am trying to use the > > python > > sdk code such as an example > > > > vm_os = params.OperatingSystems(boot=[params.Boot(dev="hd")]) > > > > Don > > I think you want params.CpuTopology. I can't work out how to actually > add that to the VM creation request though, I assigned it to the cpu > parameter and didn't get an error but I also didn't get a VM with > the assigned number of cores/sockets. > > Steve Worked it out. You need to define the CPU topology parameters: vm_cpu_top = params.CpuTopology(cores=2, sockets=2) Then use that to define the CPU parameters: vm_cpu = params.CPU(topology=vm_cpu_top) Finally you pass that in your VM creation request (assume here that I have set the other vm_* variables referenced earlier): vm_request = params.VM(name=vm_name, memory=vm_memory, cluster=vm_cluster, template=vm_template, os=vm_os, cpu=vm_cpu) vm = api.vms.add(vm_request) Steve

----- Original Message ----- > From: "Don Dupuis" <dondster(a)gmail.com&gt; > To: "Steve Gordon" <sgordon(a)redhat.com&gt; > Cc: users(a)ovirt.org > Sent: Tuesday, September 25, 2012 11:03:44 AM > Subject: Re: [Users] How to change number of cpu cores in Ovirt 3.1 with the python sdk. > > Steve > > THANKS!!! That did the trick. > > I was originally trying it like this > > vm_cpu = params.CPU(topology=[params.CpuTopology(cores=4, > sockets=1)]) > > > Don In the params.OperatingSystem(boot=[params.Boot(dev="hd")]) example the reason you pass a list (denoted by the square brackets) is that the VM can have a number of boot devices which will be tried in order. A VM can only have one CPU topology though which is why the topology argument shouldn't be a list. That is my understanding anyway ;). Steve

Well done Steve!, Don, Use method/s __doc__, you'll find there how to build parameters holder, vm.add() for instance, looks like this: ... [@param vm.os.boot: collection] { [@ivar boot.dev: string] } ... [@param vm.cpu.topology.cores: int] ... as you can see, vm.os.boot is collection of boot.dev, while vm.cpu.topology is a type. On 09/25/2012 05:32 PM, Steve Gordon wrote: > ----- Original Message ----- >> From: "Don Dupuis" <dondster(a)gmail.com&gt; >> To: "Steve Gordon" <sgordon(a)redhat.com&gt; >> Cc: users(a)ovirt.org >> Sent: Tuesday, September 25, 2012 11:03:44 AM >> Subject: Re: [Users] How to change number of cpu cores in Ovirt 3.1 with the python sdk. >> >> Steve >> >> THANKS!!! That did the trick. >> >> I was originally trying it like this >> >> vm_cpu = params.CPU(topology=[params.CpuTopology(cores=4, >> sockets=1)]) >> >> >> Don > > In the params.OperatingSystem(boot=[params.Boot(dev="hd")]) example the reason you pass a list (denoted by the square brackets) is that the VM can have a number of boot devices which will be tried in order. A VM can only have one CPU topology though which is why the topology argument shouldn't be a list. That is my understanding anyway ;). > > Steve > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users -- Michael Pasternak RedHat, ENG-Virtualization R&D