[Openstack] [Ceilometer/Heat] correct format of webhook for alarm-action

Mike Spreitzer mspreitz at us.ibm.com
Wed Aug 27 13:32:56 UTC 2014

BTW, I also have a change in review that enhances the existing 
autoscaling.yaml example template to include the webhooks in the stack 
outputs.  This example has the additional virtue of including the 
Ceilometer alarms as well as the scaling actions they invoke.  See 


From:   "Duan, Li-Gong (Gary at HPServers-Core-OE-PSC)" <li-gong.duan at hp.com>
To:     Mike Spreitzer/Watson/IBM at IBMUS, 
Cc:     "openstack at lists.openstack.org" <openstack at lists.openstack.org>
Date:   08/27/2014 06:09 AM
Subject:        RE: [Openstack] [Ceilometer/Heat] correct format of 
webhook for     alarm-action

Hi Mike,
Thanks a lot for pointing the examples.
They are very helpful for me to understand what URL looks like.
From: Mike Spreitzer [mailto:mspreitz at us.ibm.com] 
Sent: Friday, August 22, 2014 10:19 PM
To: Duan, Li-Gong (Gary at HPServers-Core-OE-PSC)
Cc: openstack at lists.openstack.org
Subject: Re: [Openstack] [Ceilometer/Heat] correct format of webhook for 
"Duan, Li-Gong (Gary at HPServers-Core-OE-PSC)" <li-gong.duan at hp.com> wrote 
on 08/21/2014 05:37:57 AM:

> For the “ceilometer alarm-threshold-create” cmd, what is the correct
> format of the webhook URL for alarm action, if I want to trigger a 
> template in Heat to be executed once this alarm is notified? Are 
> there any example of invoking heat template? 

Steve's reply pointed to an example of usage.  If you just want to see 
what the URL looks like, see the examples in patch set 11 of 
https://review.openstack.org/#/c/97366/ --- they include such URLs among 
the stack outputs. 


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