Re: [Xen-devel] Many same managed domain

[Jim Fehlig <jfehlig@xxxxxxxxxx>]

Daniel Berrange wrote:
[snip]
>> Thanks for your explanation. 
>> I have a question to your logic.  I think that the logic need a VM 
>> name check when no VM with same UUID exists.  Am I right?
>>
>>   - If the UUID is not specified
>>         - If a VM with same name exists
>>             => Update the config for that existing VM
>>         - Else no vm with same name exists
>>             => Define a brand new VM with auto-generated UUID
>>   - Else UUID is specified
>>         - If a VM with same UUID exists
>>               - If name is different
>>                     => Error
>>               - Else if name is same
>>                     => Update the config for that existing VM
>>         - Else no VM with same UUID exists
>> -           => Define a branch new VM with that name
>> +             - If name is different
>> +                   => Define a branch new VM with that name
>> +             - Else if name is same
>> +                   => Error
>>     
>
> Yes you are correct - if UUID does not clash we still need to check for
> a VM with same name, but different UUID.
>   

As a side note, Xen API allows for domains with same name - in spec at
least :-).

((VM ref) Set) VM.get_by_name_label (session_id s, string label)
Return Type: (VM ref) Set
references to objects with match names

Jim


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