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Your VM must be launched on the controller node then. In a multi-node setup
the controller will also act as a compute node unless you have disabled the
n-cpu service. The 'host' attribute is specifically to indicate where a
port is being used. It's not for anything else.

On Mon, Feb 2, 2015 at 1:15 AM, Harshada Kakad <harshada.kakad at izeltech.com>
wrote:

> Thanks Kevin for reply.
> But 'host' attribute returns me the controller hostname and not compute
> host name. I am having multi node setup, and I want to know compute host
> where the VM get launch.
>
> On Mon, Feb 2, 2015 at 2:19 PM, Kevin Benton <blak111 at gmail.com> wrote:
>
>> ML2 makes the hostname available in the context it passes to the drivers
>> via the 'host' attribute.[1] This is the only thing Neutron knows about the
>> compute node using the port.
>>
>> 1.
>> https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/driver_api.py#L776
>>
>> On Sun, Feb 1, 2015 at 10:11 PM, Harshada Kakad <
>> harshada.kakad at izeltech.com> wrote:
>>
>>> Hi All,
>>>
>>> I am developing ml2 driver and I want compute host details while
>>> creation of ports. I mean to say is, I have multi node setup and when I
>>> launch VM I want to get deatils on which compute node does this VM got
>>> launced while creation of ports. Can anyone please help me on this.
>>>
>>> Thanks in Advance.
>>>
>>> --
>>> *Regards,*
>>> *Harshada Kakad*
>>> *--------------------------------------------------------------------*
>>> *Sr. Software Engineer*
>>> *C3/101, Saudamini Complex, Right Bhusari Colony, Paud Road, Pune –
>>> 411013, India*
>>> *Mobile-9689187388*
>>> *Email-Id : harshada.kakad at izeltech.com <harshada.kakad at izeltech.com>*
>>> *website : www.izeltech.com <http://www.izeltech.com>*
>>>
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>>
>> --
>> Kevin Benton
>>
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>
>
> --
> *Regards,*
> *Harshada Kakad*
> *--------------------------------------------------------------------*
> *Sr. Software Engineer*
> *C3/101, Saudamini Complex, Right Bhusari Colony, Paud Road, Pune –
> 411013, India*
> *Mobile-9689187388*
> *Email-Id : harshada.kakad at izeltech.com <harshada.kakad at izeltech.com>*
> *website : www.izeltech.com <http://www.izeltech.com>*
>
> *****Disclaimer*****
> The information contained in this e-mail and any attachment(s) to this
> message are intended for the exclusive use of the addressee(s) and may
> contain proprietary, confidential or privileged information of Izel
> Technologies Pvt. Ltd. If you are not the intended recipient, you are
> notified that any review, use, any form of reproduction, dissemination,
> copying, disclosure, modification, distribution and/or publication of this
> e-mail message, contents or its attachment(s) is strictly prohibited and
> you are requested to notify us the same immediately by e-mail and delete
> this mail immediately. Izel Technologies Pvt. Ltd accepts no liability for
> virus infected e-mail or errors or omissions or consequences which may
> arise as a result of this e-mail transmission.
> *****End of Disclaimer*****
>
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-- 
Kevin Benton
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