Discussion:
[Nagios-users] Perf data / Graphs
Palle Jensen
2007-06-19 13:30:43 UTC
Permalink
Hi,



I have posted this before, but I have not gotten it resolved. Are there
really no one that are monitoring windows machines using NSClient++ and
getting performance data from memory, cpu load, disk, service, process that
can be shown in graphs? I have been playing on my own and gotten close but I
am not a pro at Perl and/or Cgi scripting..

I keep getting "No Block Found" for the services... I have goggled and read
mailing lists, but found no documentation or templates for *.ncfg files -
for windows.



Any help is highly appreciated, maybe developer of NagiosGrapher have any
ideas?



Thanks,

- Palle
Arno Lehmann
2007-06-19 15:01:32 UTC
Permalink
Hi,
Post by Palle Jensen
Hi,
I have posted this before, but I have not gotten it resolved. Are there
really no one that are monitoring windows machines using NSClient++ and
getting performance data from memory, cpu load, disk, service, process
that can be shown in graphs? I have been playing on my own and gotten
close but I am not a pro at Perl and/or Cgi scripting..
I keep getting “No Block Found” for the services... I have goggled and
read mailing lists, but found no documentation or templates for *.ncfg
files – for windows.
I'm using a modified (only slightly) version of NagiosGrapher, and I can
graph whatever I like... it's only a matter of getting the ncfg files
right. This is completely unrelated to the plugin the data comes from.

All the information you should need is in the NagiosGrapher information
and the manual page for the regular expressions used.

As setting all this up takes awhile I will not give you complete
examples (I also don't know what exactly you want to graph...). If you
really can't figure that out, drop me a mail and ask for paid consulting ;-)

(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)

Arno
Post by Palle Jensen
Any help is highly appreciated, maybe developer of NagiosGrapher have
any ideas?
Thanks,
- Palle
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Arno Lehmann http://www.its-lehmann.de
Palle Jensen
2007-06-19 15:38:50 UTC
Permalink
Arno,
Post by Palle Jensen
Post by Arno Lehmann
As setting all this up takes awhile I will not give you complete
examples
Whatever you set up in Nagios is quite time consuming and so far I haven't
seen anyone in here unwilling to share experience, which I plan to do as
well once I get a good hang of this. I thought that was what these mailing
lists was for
Post by Palle Jensen
Post by Arno Lehmann
(I also don't know what exactly you want to graph...).
Yes I stated that --> getting performance data from memory, cpu load, disk,
service, process that can be shown in graphs
Post by Palle Jensen
Post by Arno Lehmann
If you really can't figure that out, drop me a mail and ask for paid
consulting ;-)
If I needed paid consulting I would surely ask for it, I know that sooner or
later I will get help here on the mailing list, once I get the help I will
post it back here... for FREE.
Post by Palle Jensen
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??

Thanks,
- Palle

-----Original Message-----
From: nagios-users-***@lists.sourceforge.net
[mailto:nagios-users-***@lists.sourceforge.net] On Behalf Of Arno
Lehmann
Sent: Tuesday, June 19, 2007 11:02 AM
To: 'Nagios Users'
Subject: Re: [Nagios-users] Perf data / Graphs

Hi,
Post by Palle Jensen
Hi,
I have posted this before, but I have not gotten it resolved. Are there
really no one that are monitoring windows machines using NSClient++ and
getting performance data from memory, cpu load, disk, service, process
that can be shown in graphs? I have been playing on my own and gotten
close but I am not a pro at Perl and/or Cgi scripting..
I keep getting "No Block Found" for the services... I have goggled and
read mailing lists, but found no documentation or templates for *.ncfg
files - for windows.
I'm using a modified (only slightly) version of NagiosGrapher, and I can
graph whatever I like... it's only a matter of getting the ncfg files
right. This is completely unrelated to the plugin the data comes from.

All the information you should need is in the NagiosGrapher information
and the manual page for the regular expressions used.

As setting all this up takes awhile I will not give you complete
examples (I also don't know what exactly you want to graph...). If you
really can't figure that out, drop me a mail and ask for paid consulting ;-)

(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)

Arno
Post by Palle Jensen
Any help is highly appreciated, maybe developer of NagiosGrapher have
any ideas?
Thanks,
- Palle
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null
--
IT-Service Lehmann ***@its-lehmann.de
Arno Lehmann http://www.its-lehmann.de


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John Stile
2007-06-19 16:41:24 UTC
Permalink
Setting up nagios is time consuming, and I'm not sure I set it up all
that well, but I did keep notes and posted them on my site (as I hope a
billion other people have).
http://www.stilen.com/notes/nagios_debian_stable.txt
Some of the graphing has the wrong units, but I haven't ever figured out
what controls that in rrdtool.
Post by Palle Jensen
Arno,
Post by Palle Jensen
Post by Arno Lehmann
As setting all this up takes awhile I will not give you complete
examples
Whatever you set up in Nagios is quite time consuming and so far I haven't
seen anyone in here unwilling to share experience, which I plan to do as
well once I get a good hang of this. I thought that was what these mailing
lists was for
Post by Palle Jensen
Post by Arno Lehmann
(I also don't know what exactly you want to graph...).
Yes I stated that --> getting performance data from memory, cpu load, disk,
service, process that can be shown in graphs
Post by Palle Jensen
Post by Arno Lehmann
If you really can't figure that out, drop me a mail and ask for paid
consulting ;-)
If I needed paid consulting I would surely ask for it, I know that sooner or
later I will get help here on the mailing list, once I get the help I will
post it back here... for FREE.
Post by Palle Jensen
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??
Thanks,
- Palle
-----Original Message-----
Lehmann
Sent: Tuesday, June 19, 2007 11:02 AM
To: 'Nagios Users'
Subject: Re: [Nagios-users] Perf data / Graphs
Hi,
Post by Palle Jensen
Hi,
I have posted this before, but I have not gotten it resolved. Are there
really no one that are monitoring windows machines using NSClient++ and
getting performance data from memory, cpu load, disk, service, process
that can be shown in graphs? I have been playing on my own and gotten
close but I am not a pro at Perl and/or Cgi scripting..
I keep getting "No Block Found" for the services... I have goggled and
read mailing lists, but found no documentation or templates for *.ncfg
files - for windows.
I'm using a modified (only slightly) version of NagiosGrapher, and I can
graph whatever I like... it's only a matter of getting the ncfg files
right. This is completely unrelated to the plugin the data comes from.
All the information you should need is in the NagiosGrapher information
and the manual page for the regular expressions used.
As setting all this up takes awhile I will not give you complete
examples (I also don't know what exactly you want to graph...). If you
really can't figure that out, drop me a mail and ask for paid consulting ;-)
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Arno
Post by Palle Jensen
Any help is highly appreciated, maybe developer of NagiosGrapher have
any ideas?
Thanks,
- Palle
------------------------------------------------------------------------
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Post by Palle Jensen
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--
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Palle Jensen
2007-06-19 18:16:55 UTC
Permalink
Thanks for sharing John, it won't help me though. I am running Nagios 2.9 on
Fedora Core 6 and monitoring w2k/w2k3 machines. (I should have mentioned
that, sorry).

Running:
Fedora-Core-6 -- Nagios-2.9 -- Plugins-1.4.8.1 -- NagiosGrapher 1.6.1 rc3 --
NSClient++ 0.2.7

Thanks,
- Palle



-----Original Message-----
From: nagios-users-***@lists.sourceforge.net
[mailto:nagios-users-***@lists.sourceforge.net] On Behalf Of John Stile
Sent: Tuesday, June 19, 2007 12:41 PM
To: Palle Jensen
Cc: 'Arno Lehmann'; 'Nagios Users'
Subject: Re: [Nagios-users] Perf data / Graphs

Setting up nagios is time consuming, and I'm not sure I set it up all
that well, but I did keep notes and posted them on my site (as I hope a
billion other people have).
http://www.stilen.com/notes/nagios_debian_stable.txt
Some of the graphing has the wrong units, but I haven't ever figured out
what controls that in rrdtool.
Post by Palle Jensen
Arno,
Post by Palle Jensen
Post by Arno Lehmann
As setting all this up takes awhile I will not give you complete
examples
Whatever you set up in Nagios is quite time consuming and so far I haven't
seen anyone in here unwilling to share experience, which I plan to do as
well once I get a good hang of this. I thought that was what these mailing
lists was for
Post by Palle Jensen
Post by Arno Lehmann
(I also don't know what exactly you want to graph...).
Yes I stated that --> getting performance data from memory, cpu load, disk,
service, process that can be shown in graphs
Post by Palle Jensen
Post by Arno Lehmann
If you really can't figure that out, drop me a mail and ask for paid
consulting ;-)
If I needed paid consulting I would surely ask for it, I know that sooner or
later I will get help here on the mailing list, once I get the help I will
post it back here... for FREE.
Post by Palle Jensen
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??
Thanks,
- Palle
-----Original Message-----
Lehmann
Sent: Tuesday, June 19, 2007 11:02 AM
To: 'Nagios Users'
Subject: Re: [Nagios-users] Perf data / Graphs
Hi,
Post by Palle Jensen
Hi,
I have posted this before, but I have not gotten it resolved. Are there
really no one that are monitoring windows machines using NSClient++ and
getting performance data from memory, cpu load, disk, service, process
that can be shown in graphs? I have been playing on my own and gotten
close but I am not a pro at Perl and/or Cgi scripting..
I keep getting "No Block Found" for the services... I have goggled and
read mailing lists, but found no documentation or templates for *.ncfg
files - for windows.
I'm using a modified (only slightly) version of NagiosGrapher, and I can
graph whatever I like... it's only a matter of getting the ncfg files
right. This is completely unrelated to the plugin the data comes from.
All the information you should need is in the NagiosGrapher information
and the manual page for the regular expressions used.
As setting all this up takes awhile I will not give you complete
examples (I also don't know what exactly you want to graph...). If you
really can't figure that out, drop me a mail and ask for paid consulting ;-)
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Arno
Post by Palle Jensen
Any help is highly appreciated, maybe developer of NagiosGrapher have
any ideas?
Thanks,
- Palle
------------------------------------------------------------------------
-------------------------------------------------------------------------
Post by Palle Jensen
Post by Palle Jensen
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
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------------------------------------------------------------------------
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::: Please include Nagios version, plugin version (-v) and OS when
reporting any issue.
Post by Palle Jensen
::: Messages without supporting info will risk being sent to /dev/null
--
Arno Lehmann http://www.its-lehmann.de
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Arno Lehmann
2007-06-19 21:08:16 UTC
Permalink
Hi,
Post by Palle Jensen
Arno,
Post by Arno Lehmann
As setting all this up takes awhile I will not give you complete
examples
Whatever you set up in Nagios is quite time consuming
Well, I don't think so... getting a host or service configured to
specific needs is rather simple IMO. Getting NagiosGrapher adapted to
lots of different checks is much more time consuming for me, so I can't
simply create an example for you.
Post by Palle Jensen
and so far I haven't
seen anyone in here unwilling to share experience, which I plan to do as
well once I get a good hang of this. I thought that was what these mailing
lists was for
I'm not unwilling to share experience, only my experiences won't help you.
Post by Palle Jensen
Post by Arno Lehmann
(I also don't know what exactly you want to graph...).
Yes I stated that --> getting performance data from memory, cpu load, disk,
service, process that can be shown in graphs
Then post, for example, the output you get for the memory checks, and
I'll see how a regex should look that matches parts of the output.

I use check_nt to monitor windows hosts, and the plugins return stuff like
CPU Load 23% (5 min average) | '5 min avg Load'=23%;80;90;0;100
which is captures by the following ngraph configuration:
define ngraph{
service_name Windows Load
graph_perf_regex =(\d+)%;
graph_value load
graph_units CPU Usage %
graph_legend avg load
rrd_plottype AREA
rrd_color EACC00
}
The regex gets the digits between "=" and "%", which is stored in the
rrd file.

So far, this is only a matter of following the NagiosGrapher
instructions and reading man 1 perlre.

I don't graph more than the above in this case, which I set up following
the NagiosGrapher instructions and the rrdtols manual. To the graphs, I
add some statistics:
define ngraph{
service_name Windows Load
type GPRINT
print_source load
print_description Current
print_function LAST
print_format %.1lf%%
}

define ngraph{
service_name Windows Load
type GPRINT
print_source load
print_description Maximum
print_function MAX
print_format %.1lf%%
}

define ngraph{
service_name Windows Load
type GPRINT
print_source load
print_description Average
print_function AVERAGE
print_format %.1lf%%
}

I'm still unsure where exactly your problem is... is it understanding
how to capture numbers from the plugin output? Or is it in setting up
all the graphical elements you want?
Post by Palle Jensen
Post by Arno Lehmann
If you really can't figure that out, drop me a mail and ask for paid
consulting ;-)
If I needed paid consulting I would surely ask for it, I know that sooner or
later I will get help here on the mailing list, once I get the help I will
post it back here... for FREE.
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??
No.

Arno
--
IT-Service Lehmann ***@its-lehmann.de
Arno Lehmann http://www.its-lehmann.de
Palle Jensen
2007-06-21 17:33:31 UTC
Permalink
Arno,
Post by Arno Lehmann
Then post, for example, the output you get for the memory checks, and
I'll see how a regex should look that matches parts of the output.
This is the output I get in nagios.log:

[1181921420] Warning: Service performance data command 'echo
'server01\tMemuse\tMemory usage: total:4485.60 Mb - used: 1452.13 Mb (32%) -
free: 3033.47 Mb (68%)\tMemory
usage=1452.13Mb;3588.48;4037.04;0.00;4485.60\n' | nc6 -u -w 3 localhost
5667' for service 'Memuse' on host 'server01' timed out after 5 seconds

And this is what ngraph./log shows:

2007-06-15 11:35:14 PIPE: server01 Memuse Memory usage: total:4485.60
Mb - used: 1502.13 Mb (33%) - free: 2983.46 Mb (67%) Memory
usage=1502.13Mb;3588.48;4037.04;0.00;4485.60
2007-06-15 11:35:14 REGEX: 4 blocks for 'Memuse' found.
2007-06-15 11:35:14 REGEX: graph_value=Memory usage
2007-06-15 11:35:14 REGEX: output=perfdata
2007-06-15 11:35:14 REGEX: regex=m/Memory usage=([0-9]+)Mb/i
2007-06-15 11:35:14 REGEX: perfdata=Memory
usage=1502.13Mb;3588.48;4037.04;0.00;4485.60
2007-06-15 11:35:14 REGEX: NO MATCH.
2007-06-15 11:35:14 VALUES: [server01][Memuse]:No matching perfdata values
found...

The first part of check_ntmem.ncfg looks like this (there is more but it is
pretty long):

define ngraph {
graph_legend Memory Used
graph_perf_regex Memory usage=([0-9]+)Mb
graph_value Memory usage
hide yes
rrd_color 00a000
rrd_plottype AREA
service_name Memuse
}
Post by Arno Lehmann
I use check_nt to monitor windows hosts, and the plugins return stuff like
CPU Load 23% (5 min average) | '5 min avg Load'=23%;80;90;0;100
define ngraph{
service_name Windows Load
graph_perf_regex =(\d+)%;
graph_value load
graph_units CPU Usage %
graph_legend avg load
rrd_plottype AREA
rrd_color EACC00
}
The regex gets the digits between "=" and "%", which is stored in the
rrd file.
I will definitely try that, thanks.
Post by Arno Lehmann
I'm still unsure where exactly your problem is... is it understanding
how to capture numbers from the plugin output? Or is it in setting up
all the graphical elements you want?
Correct that is right on the spot.
Post by Arno Lehmann
Post by Palle Jensen
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??
No.
I appreciate the help you are giving, and sharing your experience, and
apologies for misunderstanding.

Thanks,
- Palle
Arno Lehmann
2007-06-21 20:38:35 UTC
Permalink
Hi,
Post by Palle Jensen
Arno,
Post by Arno Lehmann
Then post, for example, the output you get for the memory checks, and
I'll see how a regex should look that matches parts of the output.
[1181921420] Warning: Service performance data command 'echo
'server01\tMemuse\tMemory usage: total:4485.60 Mb - used: 1452.13 Mb (32%) -
free: 3033.47 Mb (68%)\tMemory
usage=1452.13Mb;3588.48;4037.04;0.00;4485.60\n' | nc6 -u -w 3 localhost
5667' for service 'Memuse' on host 'server01' timed out after 5 seconds
Ok... I assume that what you want is the amount of used memory. This
is uniquely enclosed between 'used: ' and ' Mb' and it's a decimal number.
Post by Palle Jensen
2007-06-15 11:35:14 PIPE: server01 Memuse Memory usage: total:4485.60
Mb - used: 1502.13 Mb (33%) - free: 2983.46 Mb (67%) Memory
usage=1502.13Mb;3588.48;4037.04;0.00;4485.60
2007-06-15 11:35:14 REGEX: 4 blocks for 'Memuse' found.
2007-06-15 11:35:14 REGEX: graph_value=Memory usage
2007-06-15 11:35:14 REGEX: output=perfdata
2007-06-15 11:35:14 REGEX: regex=m/Memory usage=([0-9]+)Mb/i
This line looks for digits between '...usage=' and 'Mb', which is not
the format your plugin produces.
Post by Palle Jensen
2007-06-15 11:35:14 REGEX: perfdata=Memory
usage=1502.13Mb;3588.48;4037.04;0.00;4485.60
2007-06-15 11:35:14 REGEX: NO MATCH.
2007-06-15 11:35:14 VALUES: [server01][Memuse]:No matching perfdata values
found...
Logical result, then.
Post by Palle Jensen
The first part of check_ntmem.ncfg looks like this (there is more but it is
define ngraph {
graph_legend Memory Used
graph_perf_regex Memory usage=([0-9]+)Mb
Try this line instead:
graph_perf_regex used: (\d+\.\d+) Mb
I think that should work. And I guess you see how his works, at least
basically. Some understanding of regular expressions IS helpful here.
Post by Palle Jensen
graph_value Memory usage
hide yes
rrd_color 00a000
rrd_plottype AREA
service_name Memuse
}
Post by Arno Lehmann
I use check_nt to monitor windows hosts, and the plugins return stuff like
CPU Load 23% (5 min average) | '5 min avg Load'=23%;80;90;0;100
define ngraph{
service_name Windows Load
graph_perf_regex =(\d+)%;
graph_value load
graph_units CPU Usage %
graph_legend avg load
rrd_plottype AREA
rrd_color EACC00
}
The regex gets the digits between "=" and "%", which is stored in the
rrd file.
I will definitely try that, thanks.
I think it won't fit to your plugin :-(
Post by Palle Jensen
Post by Arno Lehmann
I'm still unsure where exactly your problem is... is it understanding
how to capture numbers from the plugin output? Or is it in setting up
all the graphical elements you want?
Correct that is right on the spot.
Well, the graphs are a little different. Most of the commands are more
or less directly passed to rrdtoll, so you'll need to read the man
pages for that beast. The command format is a little too cryptic for
me to get useful results without lots of trial and error :-)
Post by Palle Jensen
Post by Arno Lehmann
Post by Palle Jensen
Post by Arno Lehmann
(Note that this is not meant as an advertisement, but rather as a last
resort solution for Palle!)
Are you kidding??
No.
I appreciate the help you are giving, and sharing your experience, and
apologies for misunderstanding.
No worries, as the Aussies are said to say :-)

Arno
Post by Palle Jensen
Thanks,
- Palle
Palle Jensen
2007-06-26 13:26:47 UTC
Permalink
Thanks Arno and everyone who tried to help,

I finally got it after a lot of hard work :=), the expression i needed in the ncfg file for graphing memory was

graph_perf_regex Memory Usage=([0-9]*\.[0-9]*)

Thanks Much,
- Palle

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