That's fantastic!
What I mind is that the counters only should gather event info.
Maybe multiple counters listening, collecting info about the system. But
only one persist the event.
Other process agreggates the data and creates different
views/reports/billing, this should be outside of openstack (since it
depends on the business rules, not depends on the infrastructure)
The agreggator, also should offer an api for polling or can be configured
throught drivers to push the the 3rd
systems
Now, in my implementation i'm putting all the stuff on a directory but it
can be as well:
- AMQP
- SQL / NoSQL
(the persistent layer shold be interchangeable)
So as response to your duration question, this think is out scope for the
counter tasks.
On Wed, May 9, 2012 at 5:30 PM, Doug Hellmann
doug.hellm...@dreamhost.comwrote:
On Tue, May 8, 2012 at 7:19 PM, Luis Gervaso l...@woorea.es wrote:
Hi,
I have uploaded a toy version of ceilometer (java implementation).
It does implement the first two counters (instance : rabbitmq listener
and cpu : polling from libvirt)
i need more clarification on the meaining:
counter_volume
counter_duration
counter_datetaime
I hope this helps to figure out how to agreggate these data.
http://github.com/woorea/ceilometer-java
Nice!
I have also been experimenting. I have some Python code in
https://github.com/dhellmann/metering-prototype that listens for
notifications related to instances (create, delete, exists) and converts
them to counter output (see spy.py). There is also a pair of scripts for
recording an event stream and playing it back (useful for testing, see
recorder.py and player.py). I don't have any libvirt polling, yet, though.
In the course of looking at the notifications being generated for
different scenarios, I discovered that the instance delete messages do not
have any duration information right now. I don't know if that is a bug, or
if the idea is to figure out the durations from looking at the most recent
exists event. What do other people think?
Doug
--
---
Luis Alberto Gervaso Martin
Woorea Solutions, S.L
CEO CTO
mobile: (+34) 627983344
luis@ luis.gerv...@gmail.comwoorea.es
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