Re: [Xen-API] No able to extract Citrix Xen 'VCPU Priority' weight and 'CPU Cap ' using python API

[Jonathan Ludlam <Jonathan.Ludlam@xxxxxxxxxxxxx>]

Hi Abhijeet,

VCPUs_params is on the VM object, not the VM_metrics object.

HTH,

Jon

On 11 Oct 2010, at 14:30, Sane, Abhijeet wrote:

> Hi ,
> 
> I am trying to extract the 'VCPU Priority Weight' and 'CPU Cap' that are set 
> to a Citrix DomU (VM) using the python API.
> 
> The xe command line shows the following output 
> 
> ---------------------------------------------------------------------------------------------------------------------------
> 
> 
> -bash-3.2#  xe vm-param-get  uuid=f31d8439-96dc-3d5b-716e-319e6d7b0d1c 
> param-name=VCPUs-params
> cap: 80; mask: 5,6; weight: 1024
> 
> ---------------------------------------------------------------------------------------------------------------------------
> I am unable to get these values using the Citrix Xen Python API.
> 
> The python code snippet look like the following
> 
> <code snippet>
>                for vm in all:
>                        try:
>                                record = session.xenapi.VM.get_record(vm)
>                                if  not record["is_control_domain"] and  not 
> record["is_a_template"] and record["resident_on"]:
>                                        vm_metrics = record["metrics"]
>                                        vm_metric = 
> session.xenapi.VM_metrics.get_record(vm_metrics)
>                                        try:
>                                                hash =  
> vm_metric["VCPUs_params"]
>                                                print "Weight " , 
> hash["weight"] , "CAP" ,  hash["cap"] , "Mask",  hash["mask"]
>                                        except Exception ,em:
>                                                print em
> 
> </code snippet>
> 
> Al I  get is a exception and absolutely no data.. 
> I think I am looking at the wrong class or doing something wrong.
> 
> Please guide.
> 
> Abhijeet
> 
> 
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