[solved] create a graph based on the output of a script?

leoh · Post by **leoh** » Mon May 25, 2009 10:17 am

I have found many tutorials in the internet but it still does not work.

Here is the steps that I have followed:

1 - Created a script (attached) and here is the output (input: IP of NTP Server)

# ./ntpdateq_mrtg.pl 10.100.0.100
offset: 1423688

2 - Create a Data Input Method (attached image)

3 - Create a Data Source
At this point, debug shows an error

"Notice: Undefined index: in /opt/cacti/lib/rrd.php on line 225"

This is the first problem that I am facing. How to solve it?

ps: logs shows no lines with ntpdateq_mrtg.pl text.

BSOD2600 · Post by **BSOD2600** » Mon May 25, 2009 7:06 pm

All looks ok. Running cacti 0.8.7d + patches?

looking in the cacti.log file with debugging mode enabled, is that ntp rrd file created? The script run, collect data, etc?

Also, you need the full path to perl for spine to work properly.

leoh · Post by **leoh** » Wed May 27, 2009 11:43 am

1 - full path to perl ajusted
2 - output of my script ajusted

Now. log is showing:

05/27/2009 12:40:01 PM - SPINE: Poller[0] Host[1] DS[2549] SCRIPT: /usr/bin/perl /opt/cacti/scripts/ntpdateq_mrtg.pl 10.100.0.100, output: offset:108064

Cacti Version 0.8.7b

Why there is no *ntp_offset_2549.rrd in my rra directory? After creating Data Source this file should have have been created or not?

BSOD2600 · Post by **BSOD2600** » Wed May 27, 2009 1:02 pm

leoh wrote: After creating Data Source this file should have have been created or not?

No.

Look in the cacti.log for ntp_offset_2549.rrd. Cacti should've tried to create it and then update it with offset:108064. What did it do?

leoh · Post by **leoh** » Thu May 28, 2009 1:49 pm

Look what we have in the logs.
I still have no idea why there is no graph.
I have started everyghint from the begining and it never works. I am making a mistake somewhere.

----------------------
05/28/2009 03:45:01 PM - SPINE: Poller[0] Host[1] DS[2549] SCRIPT: /usr/bin/perl /opt/cacti/scripts/ntpdateq_mrtg.pl 10.100.0.100, output: offset:177.096

05/28/2009 03:45:02 PM - POLLER: Poller[0] Parsed MULTI output field 'offset:177.096' [map offset->ntp_offset]

05/28/2009 03:45:02 PM - CMDPHP: Poller[0] DEBUG: SQL Exec: "delete from poller_output where local_data_id='2549' and rrd_name='ntp_offset' and time='2009-05-28 15:45:01'"

05/28/2009 03:45:02 PM - POLLER: Poller[0] CACTI2RRD: /usr/local/rrdtool-1.2.19/bin/rrdtool update /opt/cacti/rra/bms65_ntp_offset_2549.rrd --template ntp_offset 1243536301:177.096
---------------

leoh · Post by **leoh** » Thu May 28, 2009 2:29 pm

There is something strange about my graph.
The debug seems to be incomplete. See attached image please.

leoh · Post by **leoh** » Thu May 28, 2009 2:33 pm

The single item type of my graph was of time comment. That's was the reason. Now it seems to work. I will take a look deep in the logs and reply here if every thing is fine.

leoh · Post by **leoh** » Thu May 28, 2009 2:59 pm

All fine. Now its working. thanks

[solved] create a graph based on the output of a script?

[solved] create a graph based on the output of a script?

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