[openstack-dev] Nova API is run on controller node instead of Compute node

John Garbutt john at johngarbutt.com
Mon May 16 09:59:04 UTC 2016

On 16 May 2016 at 09:58, Tarun <er.tarun.9986 at gmail.com> wrote:
> Hi All,
> I have setup the Openstack controller and compue node on 2 VMs in my windows
> 8 Laptop.
> It is running.
> I am starting development for the NOVA compute APIs.
> To kick-off, i am trying to call compute API, for example:
> $nova hypervisor-list
> Response is OK.
> It should call the 'show' function of hypervisors.py in the nova.
> Response is coming from nova code at controller node.
> [Problem]
> There is hypervisors.py file present on both controller and compute node.
> Path is
> /usr/lib/python2.7/dist-packages/nova/api/openstack/compute/contrib/hypervisors.py
> I have put logs in the 'show' function in hypervisors.py file present on
> both controller and compute node.
> But, 'show' function called at controller side only. It is not invoking
> functions of hypervisors.py at compute node.
> Please let me know whether there is conf file parameters gaps in openstack
> modules (nova) or any other gap, which would allow my setup to call compute
> API code from compute node instead of controller when compute API is run
> from controller node.
> I am not able to get what is exact flow from nova at controller node to nova
> at compute node when compute API is called from controller node.
> Looking forward for your valuable inputs.
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

It sounds like everything is working correctly.
That API call just reads from the database.

Does this document help you?


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