Open Stack

Hi Boris
Looks like this would require changes in key portions of Rally infra. Need some more time getting a hang of rally by committing a few scenarios before I make infra changes


Ajay


From: Boris Pavlovic <boris at pavlovic.me<mailto:boris at pavlovic.me>>
Reply-To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Friday, November 21, 2014 at 7:02 AM
To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] [Rally] Question on periodic task

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<mailto: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<mailto:bpavlovic at mirantis.com>>
Reply-To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto: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<mailto: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<mailto: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


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