[Xymon] Question on trending using Windows MrBig client - working now, fix unknown

[Deiss, Mark]

First off, like to thank Mr. Eriksson for authoring the MrBig package. Really appreciate it.  Running older Windows platforms so the powershell clients are not practical and prefer to minimize any Windows registry modifications which some of the other clients require.

Created another dummy widget on the Windows box, made xymonserver.cfg updates on the Xymon server. Halted the MrBig service, halted the Xymon services, flushed the Xymon logs, restarted Xymon services then MrBig services --- and of course --- Mr. Johnson's Windows widget started populating the rrd databases on the Xymon server. Arggghh. No clue what cleared the issue. Had Mr. Johnson's widget just updating the web pages and was not working further on it's rrd issue while trying to get dummy widget to generate rrd content.

Now, trying to figure out why the NCV_<testname>="blah1:GAUGE,blah2:GAUGE,*:NONE" syntax in the xymonserver.cfg is not suppressing garbage lines that have colon entries (lines with timestamp entries).  Running Xymon 4.3.17 - time to see if there is some patch. Looking in the mail archive, see that Mr. Johnson in 2006 was discussing this issue with Mr. Stoerner replying with the NONE syntax. A rrdtool dump and rrdtool info is showing the garbage content being inserted into the rrd file.
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From: Xymon [xymon-bounces at xymon.com] on behalf of Deiss, Mark [Mark.Deiss at xerox.com]
Sent: Tuesday, January 27, 2015 5:53 AM
To: ulric at siag.nu
Cc: 'xymon at xymon.com >> xymon'
Subject: Re: [Xymon] Question on trending using Windows MrBig client

Thank you sir.

I looked through the C code and the messaging syntax tracks with what I have been fooling around with.

 I have some external tests coming from Xymon-based Linux boxes that are generating rrd content so the modifications for those in the xymonserver.cfg and graphs.cfg on the Xymon server are okay.

There are rrd updates occurring for the Windows client on the Xymon server from the MrBig internal tests so it's not a perm issue on the Xymon server. The MrBig internals are showing rrd update activity in the Xymon server's rrd-status.log. The dummy external is registering in the rrd-status.log but showing no processing attempt.

Have several other MrBig externals running on Windows boxes that are correctly sending messages across to the Xymon server; these are not involved with rrd operations. Mr. Johnson's termuser.pl procedure is the first time attempting rrd generation using data from a Windows box. The module is for a Windows platform using BBWIN; the module message using MrBig is appearing correctly in the Xymon web display.

Nuts. Guess next step is to make a another dummy test (quit trying to use the internal citrix definition on the Xymon server), ncv based, single data point, and try again from the Windows client. Then try from a Linux box sending same content over under the ID of the Windows box.   Will probably have to go into the xymond_rrd code and add a bunch more debug statements to figure out why the Windows message is not being processed. Try and figure out what check logic there is in front of the rrdcreate operation.


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From: ulric at siag.nu [ulric at siag.nu]
Sent: Tuesday, January 27, 2015 3:14 AM
To: Deiss, Mark
Cc: 'xymon at xymon.com >> xymon'
Subject: Re: [Xymon] Question on trending using Windows MrBig client

2015-01-26 21:15 skrev Deiss, Mark:
> Has anyone successfully performed rrd trending using data from an
> external test from a MrBig Windows client?

I am the original author of the MrBig client and yes, it is certainly
possible to use it to get trending data.

Here is an example, an external test which controls an egg incubator.
Not exactly what you're looking for, but the principle is the same.

http://siag.nu/Incubator/

Ulric

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