[xymon] lifetime of msgs status

[Brand, Thomas R.]

>Rob McBroom <mailinglist0 at skurfer.com> writes:
>I want to check a file for a certain pattern,

How about using the 'file' check in client-local.cfg ?
The 'grep -ils' returns only the filename:
----------------------
# Check for IP printers configured to use PPDS.
file:`grep -ils "Language.*ppds"    /cvsrx/admin/etc/IP* `

# Check for UPS problems
file:`grep -ils "NO_STATUS_AVAILABLE"
/cvsrx/admin/tools/UPS/log/last.ups.status`
----------------------


Then in in hobbit-clients.cfg add a rule using 'NOEXIST'
-------------
   # Check if UPS status file has 'NO_STATUS_AVAILABLE' -- means UPS
daemon is
   # not running; possibly due to no comms to UPS
   FILE "%.*/cvsrx/admin/tools/UPS/log/last.ups.status" yellow  NOEXIST
GROUP=SysAdmin

   # Check for IP printers configured to use PPDS (should be PCL)
(Weekdays, 8:30-16:00)
   FILE "%.*/cvsrx/admin/etc/IP."           RED    NOEXIST
GROUP=SysAdmin TIME=W:0830:1600
--------------



-----Original Message-----
From: Henrik "StC8rner [mailto:henrik at hswn.dk] 
Sent: Thursday, September 23, 2010 8:38 AM
To: xymon at xymon.com
Subject: Re: [xymon] lifetime of msgs status

In <09DBBCE3-BD10-4846-B8FE-776FB811EC93 at skurfer.com> Rob McBroom
<mailinglist0 at skurfer.com> writes:

>I want to check a file for a certain pattern, so the LOG check seemed =
>like the natural choice. I got it configured and started to see some
red =
>statuses come in for hosts where the pattern matched, but then about 35
=
>minutes later, they all go green though nothing has changed on the =
>client.

Yep, that is how the logfile checking is designed. Only logentries made
in the past 30 minutes are included in each scan (except when starting
from scratch - that's why you saw the entries in the beginning, and then
they disappeared after half an hour).

>So is there a way to check something like a config file for invalid =
>patterns? Do I need to write a custom script? Writing and distributing
a =
>custom test is not a big deal to me at all. What I dread is adding yet
=
>another column to the web view, which is why I was looking for a =
>built-in test to use.

You could 'hack' it by removing that entry from the client's status
file in ~xymonclient/tmp/logfetch.HOSTNAME.status (a "grep -v" works
since it's a text file). Then it would always scan the entire file.

I have a better idea for how to do this: The client today can do a
"linecount" report where it counts the number of lines matching a
regex pattern in a file. But on the server side this is only used
for a "data" message that can be used to track the size of a file
in a graph - it doesn't generate any status, or affect the color
of the "msgs" or "files" status. It would be fairly simple to be
able to define a rule in hobbit-clients.cfg so the "files" status
went red if the linecount exceeded some threshold - "1" in your
case. But that needs some new code in the client-handler on the
Xymon server.


Regards,
Henrik


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