[collectd] help

[Ruslan Bondarev]

On Monday, Apr 26, 10, at 13:00:02, collectd-request at verplant.org wrote:

> Send collectd mailing list submissions to
> 	collectd at verplant.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> 	http://mailman.verplant.org/listinfo/collectd
> or, via email, send a message with subject or body 'help' to
> 	collectd-request at verplant.org
>
> You can reach the person managing the list at
> 	collectd-owner at verplant.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of collectd digest..."
>
>
> Today's Topics:
>
>   1. Re: rrd2flot: Client side canvas based charting of	collectd
>      rrd data (Florian Forster)
>   2. baffled by tail regex (Clay Loveless)
>   3. Newbie questions: type_instance (Alexey Lobanov)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 25 Apr 2010 15:49:23 +0200
> From: Florian Forster <octo at verplant.org>
> Subject: Re: [collectd] rrd2flot: Client side canvas based charting of
> 	collectd rrd data
> To: Richard Wall <richard at the-moon.net>
> Cc: collectd <collectd at verplant.org>
> Message-ID: <20100425134922.GN26178 at verplant.org>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Richard,
>
> On Mon, Apr 19, 2010 at 02:40:19AM +0100, Richard Wall wrote:
>> I've been writing a graphical reporting tool for Collectd using
>> JavascriptRRD, jQuery and Flot (and MochiKit) and thought I'd  
>> announce
>> it here and get some feedback.
>
> sounds very interesting :) It's be great if you could create a
> "rrd2flot" wiki page and add your front-end to the list of front- 
> ends in
> the wiki [0]. You need to create an accout for uploading screenshots;
> everything else you can create / change without logging in.
>
> Regards,
> ?octo
>
> [0] <http://collectd.org/wiki/index.php/List_of_front-ends>
> -- 
> Florian octo Forster
> Hacker in training
> GnuPG: 0x91523C3D
> http://verplant.org/
> -------------- next part --------------
> A non-text attachment was scrubbed...
> Name: not available
> Type: application/pgp-signature
> Size: 189 bytes
> Desc: Digital signature
> Url : http://mailman.verplant.org/pipermail/collectd/attachments/20100425/9ea4c13f/attachment-0001.pgp
>
> ------------------------------
>
> Message: 2
> Date: Sun, 25 Apr 2010 11:46:21 -0700
> From: Clay Loveless <clay at killersoft.com>
> Subject: [collectd] baffled by tail regex
> To: collectd at verplant.org
> Message-ID: <5C737574-AE5B-4C67-9C5C-DDC0FECA9EC4 at killersoft.com>
> Content-Type: text/plain; charset=us-ascii
>
> Hi folks,
>
> I'm running collectd 4.9.2.
>
> I'm tailing a log file, looking for a number. My tail config looks  
> like this:
>
> LoadPlugin tail
> <Plugin tail>
>  <File "/opt/splunk/var/log/splunk/scheduler.log">
>    Instance "splunk-scheduler-log"
>    <Match>
>      Regex "monitor_lighty_hosts__splunkalerts.*result_count=(\d+)"
>      DSType "CounterSet"
>      Type "counter"
>      Instance "lighty_hostcount"
>    </Match>
>  </File>
> </Plugin>
>
>
> The log file in question contains a lot of entries, but the ones I'm  
> looking for look like this:
>
> 04-25-2010 18:35:14.087 INFO  SavedSplunker -  
> savedsearch_id 
> ="nobody;FooSearch;monitor_lighty_hosts__splunkalerts",  
> user="nobody", app="FooSearch",  
> savedsearch_name="monitor_lighty_hosts__splunkalerts",  
> status=success, scheduled_time=1272220500, dispatch_time=1272220504,  
> run_time=8.064, result_count=31, alert_actions="",  
> sid 
> = 
> "scheduler__nobody__FooSearch_bW9uaXRvcl9saWdodHlfaG9zdHNfX3NwbHVua2FsZXJ0cw_at_1272220500_317731676 
> ", thread_id="AlertNotifierWorker-0"
>
>
> Every flavor of regular expression I've tried for picking out the  
> result_count seems to be failing. Variants I've tried, all of which  
> work outside of collectd, are:
>
> monitor_lighty_hosts__splunkalerts.*result_count=(\d+)
> monitor_lighty_hosts__splunkalerts.+result_count=([0-9]+)
> monitor_lighty_hosts__splunkalerts.+result_count.([0-9][0-9])
> monitor_lighty_hosts__splunkalerts.*result_count.([^,]+),
>
>
> My threshold for alerts block is set up like this:
>
> <Threshold>
>  <Plugin "tail">
>    <Type "counter">
>      Instance "lighty_hostcount"
>      WarningMin 31
>    </Type>
>  </Plugin>
> </Threshold>
>
>
> I want to get an email when the result_count of the log in question  
> drops below 31. Based on my understanding, this should be working as  
> configured above. However, I'm getting emails stating:
>
>
> Message: Host i-ad3d7cc5, plugin tail (instance splunk-scheduler- 
> log) type counter (instance lighty_hostcount): Data source "value"  
> is currently 0.000000. That is below the warning threshold of  
> 31.000000.
>
>
>
> Why aren't any of my regex flavors matching? I've tested out many  
> different variants against this log file, and can get '31' as the  
> first subexpression match every time. Is there something about the  
> regex flavor that <Match> uses within Tail that I don't understand?
>
> Thanks in advance!
>
> Regards,
> Clay
>
>
> --
> Clay Loveless
> Founder
> w: http://killersoft.com
> t: @claylo
>
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 26 Apr 2010 12:08:44 +0400
> From: Alexey Lobanov <A.Lobanov at gctrials.com>
> Subject: [collectd] Newbie questions: type_instance
> To: collectd at verplant.org
> Message-ID: <4BD54A0C.70908 at gctrials.com>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Hello all.
>
> I am writing a local plugin for Collectd, to make fancy display of
> ambient conditions in monitored storage area. The monitored parameters
> fit to standard types.db: just two "temperature" sensors in Celsius
> ("floor" and "ceiling") and one relative humidity sensor.
>
> Everything works fine with this self-written plugin (based on
> examples/myplugin.c) while I try to collect and display only one
> temperature value. And one humidity.
>
> The question is how to deal with two (or more) same-type parameters in
> one plugin and one colection.cgi web-page. I.e, two temperatures. In  
> one
> graph with two colors, or in two graphs at a same page.
>
> I have meditated with the "df.c" code and the corresponding part of
> collection.cgi, with no success: as soon as I start to submit non- 
> empty
> "type_instance", collection.cgi displays a single (first) recorded  
> value
> only in fresh-created "temperature-floor.rrd". I even do not quote my
> code for detailed questions, because this had been written without
> proper understanding.
>
>
> Now the question. Can anyone point me at a some kind of *advanced*
> plugin HOWTO decribing data submission in plugin and corresponding  
> data
> interpretation in collection.cgi? A piece of commented code can be a
> solution.
>
> Alexey
>
>
>
> ------------------------------
>
> _______________________________________________
> collectd mailing list
> collectd at verplant.org
> http://mailman.verplant.org/listinfo/collectd
>
>
> End of collectd Digest, Vol 55, Issue 18
> ****************************************