- From: John Martinez <
- Cc: Brad Knowles <
- Subject: [chef] Re: CM/Chef API access for monitoring systems?
- Date: Wed, 26 Sep 2012 01:01:47 -0700
A monitoring system that utilizes Ohai data?
Stop it, you're teasing me. :-)
I'm keeping an eye on Assimilation.
On Sep 26, 2012, at 12:55 AM, Brad Knowles
> At the Bay Area Chef Users Group meeting tonight (see
> <http://www.meetup.com/The-Bay-Area-Chef-User-Group/events/82878822/>), I
> got the pleasure of listening to Daniel talk about the new "whyrun" mode
> and some of the other new features of Chef. I'm always pleasantly
> surprised by the speakers that BAChef manages to bring in.
> We also had a question from the audience as to why we can't ever get a good
> monitoring system that is able to work hand-in-hand with a good CM system
> (like Chef), and so we're stuck with things like trying to write or
> implement Nagios NRPE modules and the monitoring system ends up being the
> heaviest thing we do -- it takes the most work to manage, it generates the
> most crap noise, it takes the longest to converge, and is generally very
> ... unsatisfactory.
> Of course, there are other monitoring solutions out there, depending on how
> much information you want to monitor about each node, and how you want to
> go about gathering and using that information. But Zenoss doesn't seem to
> be measurably better in this particular area, nor does any other monitoring
> system that I am personally acquainted with.
> Now, I happen to know that Alan Robertson has been working on a new project
> called the Assimilation Monitoring Project (see <http://assimmon.org/>),
> and I believe that the architecture of AssimMon will scale better than any
> other monitoring system I know of. Of course, it is very much a
> work-in-progress, and there is still a lot left to do. But I think Alan is
> pretty well suited to the task, based on his work on the Linux-HA project
> and based on what I've seen of the talk he gave at LinuxCon 2012 about
> AssimMon (we're hoping to get the edited video for that posted very soon).
> However, it occurs to me that one of the things that a good monitoring
> system could make use of would be a relatively simple standardized API to
> be able to access things like Ohai discovered data regarding the nodes, as
> well as Chef-managed data regarding the nodes. There's no sense
> re-inventing the wheels that Chef has already invented, if you can
> relatively easily make use of what is already there.
> So, now I start to wonder what such a standardized API might look like, and
> what kinds of information might be useful for a monitoring system to be
> able to access regarding the nodes it should be monitoring?
> Which leads me to the idea of posting such a question on this list, to see
> if anyone else had any ideas or thoughts?
> Brad Knowles
> LinkedIn Profile: <http://tinyurl.com/y8kpxu>
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