Re: [Xen-API] Constructors and Destructors on classes

[Tom Wilkie <tw275@xxxxxxxxx>]

Hi

> Does a constructor on class VM just create an instance of the class  
> in Xen's memory or does it actually provision a new VM and  
> conversely, what does a destructor do, delete the VM class instance  
> from memory or destroy a virtual machine?
Well 'create' creates the representation in xend, and then when you  
call 'start' it starts that domain.  That should all be working.  I  
think, after you have shutdown a domain, the destructor deletes its  
representation within xend.
> The class "host" and "host_cpu" also have create and destroy  
> methods on them and since you can't create and destroy a physical  
> host or a physical cpu, I am guessing that the answer to my  
> question above for VMs is that the create and destroy methods just  
> instantiate and destroy a class instance and do not actually cause  
> the provisioning and decommissioning of a virtual machine.
I don't see host create in the latest api spec, it you look in the  
repository.  And host_cpu create is not implemented.  Not sure it  
should be in there...
Cheers

Tom

> Gurus, kindly explain..
>
> Thanks,
> Hetal
>
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