I've been thinking about this some more after some internal discussion
and one thought I came up with would be to have our Zenoss monitoring
server only monitor our policy servers. Right now I have two policy
servers with three more to be built, giving us a separate policy server
for each of the "runtimes" in our environment (e.g. dev, test, gold).
Since I don't have any way to directly access the contents of the tcdb
files (namely cf_LastSeen.tcdb), I had the thought of having each policy
server generate something like a lastseen flat file of all hosts not
seen recently (say 10-15 minutes). However, the hostsseen() function
operates on a granularity of hours, so the best I could do would be
hostsseen("1", "notseen", "name") to generate a list of hosts not seen
in the past hour, and even one hour is too long to wait.
I'm thinking of submitting an RFE along the lines of increasing the
granularity of hostsseen() or providing another function to avoid
breaking compatibility, but I first wanted to ask if anyone has any
further suggestions based on what I've discussed here.
One further point: Apparently it would take a custom script to have
Zenoss determine if there are more than 2 cf-execd processes (including
the need to run ps -fz global on Solaris global zones to prevent it from
also seeing any non-global zones' processes). I don't like the thought
of having our Zenoss server have to run an external script against
hundreds of systems, since the extra load and time to complete could be
significant.
Thanks,
Justin
-----Original Message-----
From: help-cfengine-boun...@cfengine.org
[mailto:help-cfengine-boun...@cfengine.org] On Behalf Of Justin Lloyd
Sent: Friday, April 30, 2010 12:48 PM
To: fo...@cfengine.com; help-cfengine@cfengine.org
Subject: RE: Cfengine Help: Re: Monitoring Cfengine processes
Thanks for the responses everyone. I'm going to discuss the options with
my colleagues and our operations center that manages our Zenoss
configuration.
Justin
-----Original Message-----
From: help-cfengine-boun...@cfengine.org
[mailto:help-cfengine-boun...@cfengine.org] On Behalf Of
fo...@cfengine.com
Sent: Wednesday, April 28, 2010 10:53 AM
To: help-cfengine@cfengine.org
Subject: Cfengine Help: Re: Monitoring Cfengine processes
Forum: Cfengine Help
Subject: Re: Monitoring Cfengine processes
Author: neilhwatson
Link to topic:
https://cfengine.com/forum/read.php?3,17005,17021#msg-17021
If the host is up and the CF policy is sufficiently robust then no
serious monitoring should be needed. A simple TCP port check would be a
nice to have but make sure that its threshold allows for Cfengine to
recover before alarms go off.
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