[openstack-dev] [Rally] Question on periodic task

Boris Pavlovic boris at pavlovic.me
Fri Nov 21 15:02:00 UTC 2014


Ajay,


We have this in our RoadMap:
https://github.com/stackforge/rally/blob/master/doc/feature_request/multi_scenarios_load_gen.rst

So, it's not yet supported out of box, but we really would like to have it
in upstream.

Are you interested in work on this direction?


Best regards,
Boris Pavlovic


On Fri, Nov 21, 2014 at 8:22 AM, Ajay Kalambur (akalambu) <
akalambu at cisco.com> wrote:

>  Ok the action I wanted to perform was for HA I.e execute a scenario like
> VM boot and in parallel in a separate process , ssh and restart controller
> node for instance
> I thought periodic task would be useful for that. I guess I need to look
> at some other way of performing this
> Ajay
>
>
>   From: Boris Pavlovic <bpavlovic at mirantis.com>
> Reply-To: "OpenStack Development Mailing List (not for usage questions)" <
> openstack-dev at lists.openstack.org>
> Date: Thursday, November 20, 2014 at 7:03 PM
> To: "OpenStack Development Mailing List (not for usage questions)" <
> openstack-dev at lists.openstack.org>
> Subject: Re: [openstack-dev] [Rally] Question on periodic task
>
>   Hi Ajay,
>
>
>  I am not sure why you are looking that part at all.
> everything in openstack/common/* is oslo-incubator code.
> Actually that method is not used in Rally yet, except Rally as a Service
> part that doesn't work yet.
>
>  As a scenario developer I think you should be able to find everything
> here:
>  https://github.com/stackforge/rally/tree/master/rally/benchmark
>
>  So I really don't the case when you need to pass something to periodic
> task.. It's not that "task"
>
>
>  Best regards,
> Boris Pavlovic
>
>
>
>
>
>
> On Fri, Nov 21, 2014 at 3:36 AM, Ajay Kalambur (akalambu) <
> akalambu at cisco.com> wrote:
>
>>  Hi
>> I have a question on
>> /rally/openstack/common/periodic_task.py
>>
>>  It looks like if I have a method decorated with @periodic_task my
>> method would get scheduled in separate process every N seconds
>> Now let us say we have a scenario and this periodic_task how does it work
>> when concurrency=2 for instance
>>
>>  Is the periodic task also scheduled in 2 separate process. I actually
>> want only one periodic task process irrespective of concurrency count in
>> scenario
>> Also as a scenario developer how can I pass arguments into the periodic
>> task
>>
>>
>>  Ajay
>>
>>
>> _______________________________________________
>> OpenStack-dev mailing list
>> OpenStack-dev at lists.openstack.org
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>
>>
>
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