Nagios plug-in COMMAND output problem - help!

[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi John,

Where you able to solve this one?
I'm having the same problem.

Thanks in advance,
Tzach
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[jmp242]

jmp242 [http://community.zenoss.org/people/jmp242] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Back from the dead thread here - I don't know if the OP ever solved this, but the issue is that the format returned is not what Zenoss is looking for.
See:
https://zcaportal.org/wiki/bin/view/ZCA/ZCAFAQ#Command_Based_Data_Sources https://zcaportal.org/wiki/bin/view/ZCA/ZCAFAQ#Command_Based_Data_Sources

--
James Pulver
ZCA Member
LEPP Computer Group
Cornell University
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi jmp242,

Thanks for replying.
I have found my scripts are getting the return code 1 ( General error ) when I use the logging.basicConfig function in my scripts.
When I mask them, zencommand run myscripts perfectly with return code 0 - Success.

I've developed my scripts with python 2.7 and I see zenoss is using python 2.6.2, maybe logging.basicConfig isn't supported by python 2.6.2?

Thanks in advanced for any help :)
Tzach
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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basicConfig has been around a while, it should work just fine in 2.6.2. I actually use it in many of my dmd scripts (albeit I've not tried it in a command data source, but I can see why it would make a difference).

Are you sure you are properly using the basicConfig method? If you create a simple .py file with a main, and you run it, what is the exit code as seen by the OS?
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi Dpetzel,

Thanks for the response :)

Here are both the script and result in zencommand debug.
Notice the return code of zencommand.

am I doing something wrong?

*This is the check.py:*

#!/usr/local/zenoss/zenoss/bin/python
# Logging configuration
import logging
# change this to logging.DEBUG for more information
logLevel = logging.INFO


logname='check'
logger = logging.getLogger(logname)
formatString = '%(asctime)s - %(name)s - %(levelname)s - %(filename)s - %(funcName)s - %(message)s'
logging.basicConfig(filename=logname, level=logLevel, filemode='w', format=formatString)
consoleLogger = logging.StreamHandler()
consoleLogger.setLevel(logLevel)
# create formatter
formatter = logging.Formatter(formatString)
# add formatter to console
consoleLogger.setFormatter(formatter)
print "COMMAND OK|test=1"


*This is the zencommand debug log:*

2012-03-26 17:03:12,443 DEBUG zen.zencommand: Total of 1 queued events
2012-03-26 17:03:19,062 DEBUG zen.zencommand: running '/usr/local/zenoss/scripts/check.py'
2012-03-26 17:03:19,062 DEBUG zen.zencommand: cmd line: '/bin/sh -c exec /usr/local/zenoss/scripts/check.py'
2012-03-26 17:03:19,069 DEBUG zen.zencommand: Process check.py  started
2012-03-26 17:03:19,070 DEBUG zen.zencommand: Next command in 28 seconds
*2012-03-26 17:03:19,174 DEBUG zen.zencommand: Received exit code: 1*
2012-03-26 17:03:19,175 DEBUG zen.zencommand: Command: '/bin/sh -c exec /usr/local/zenoss/scripts/check.py'
2012-03-26 17:03:19,175 DEBUG zen.zencommand: Output: ''
2012-03-26 17:03:19,176 DEBUG zen.zencommand: Process check.py  stopped (1), 0.11 seconds elapsed
2012-03-26 17:03:19,176 DEBUG zen.zencommand: The result of "/usr/local/zenoss/scripts/check.py" was "''"
2012-03-26 17:03:19,178 DEBUG zen.zencommand: Queueing event {'severity': 3, 'performanceData': '', 'component': '', 'agent': 'zencommand', 'summary': 'Cmd: /usr/local/zenoss/scripts/check.py - Code: 1 - Msg: General error', 'manager': 'zenossu.il.imperva.com', 'eventKey': 'Check', 'device': '10.1.13.101', 'message': 'Cmd: /usr/local/zenoss/scripts/check.py - Code: 1 - Msg: General error', 'eventClass': '/Cmd/Fail', 'monitor': 'localhost'}
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[Shane Scott]

Shane Scott [http://community.zenoss.org/people/hackman238] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach:

You'll need to pass an exit code.

import sys
sys.exit(0)

Best,
--Shane (Hackman238)
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi Shane,

I added sys.exit(0) at the end of the script.
Still, zencommand return with exit code 1

2012-03-27 09:47:38,168 DEBUG zen.zencommand: Next command in 160 seconds
2012-03-27 09:47:38,273 DEBUG zen.zencommand: Received exit code: 1
2012-03-27 09:47:38,274 DEBUG zen.zencommand: Command: '/bin/sh -c exec /usr/local/zenoss/scripts/check.py'
2012-03-27 09:47:38,275 DEBUG zen.zencommand: Output: ''
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[Shane Scott]

Shane Scott [http://community.zenoss.org/people/hackman238] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach:

Really? Thats bizarre. Is anything in the script failing?

--Shane
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi Shane,

1st, Thanks for replying

2nd, nope, nothing else is failing...

The problem is I can't debug why it return the exit code 1.
From what I have found out the zencommand.py is executed using twisted module.
The function that recieve the return code is:

def processEnded(self, reason):
        "notify the starter that their process is complete"
        self.exitCode = reason.value.exitCode
        log.debug('Received exit code: %s' % self.exitCode)
        log.debug('Command: %r' % self.command)
        log.debug('Output: %r' % self.output)

This function is located, at least in my install here:
/usr/local/zenoss/zenoss/Products/ZenRRD

BTW, this an ubutnu server and zenoss installed on it.
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[Shane Scott]

Shane Scott [http://community.zenoss.org/people/hackman238] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach:

Try passing an arbitray code like 42 or 75. See if the code is passed correctly. This is very interesting.

--Shane
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Shane:


It seems sys.exit doesn't matter to the zencommand, I get the same result.

Meaning if the script has the line:
logging.basicConfig(filename=logname, level=logLevel, filemode='w', format=formatString)

Then I get following:
2012-04-01 10:13:15,126 DEBUG zen.zencommand: running '/usr/local/zenoss/scripts/check.py'
2012-04-01 10:13:15,126 DEBUG zen.zencommand: cmd line: '/bin/sh -c exec /usr/local/zenoss/scripts/check.py'
2012-04-01 10:13:15,128 DEBUG zen.zencommand: Process check.py  started
2012-04-01 10:13:15,129 DEBUG zen.zencommand: Next command in 8 seconds
2012-04-01 10:13:15,227 DEBUG zen.zencommand: Received exit code: 1


If I mask the logging.basicConfig with # like this:
#logging.basicConfig(filename=logname, level=logLevel, filemode='w', format=formatString)


I get the following:


2012-04-01 10:13:25,305 DEBUG zen.zencommand: Command: '/bin/sh -c exec /usr/local/zenoss/scripts/check.py'
2012-04-01 10:13:25,306 DEBUG zen.zencommand: Output: 'COMMAND OK|test=1\n'
2012-04-01 10:13:25,306 DEBUG zen.zencommand: Process check.py  stopped (47), 0.07 seconds elapsed
2012-04-01 10:13:25,306 DEBUG zen.zencommand: The result of "/usr/local/zenoss/scripts/check.py" was "'COMMAND OK|test=1\n'"
2012-04-01 10:13:25,307 DEBUG zen.zencommand: Queueing event {'severity': 3, 'performanceData': 'test=1', 'component': '', 'agent': 'zencommand', 'summary': 'COMMAND OK', 'manager': 'zenossu.il.check.com', 'eventKey': 'Check', 'device': '10.1.13.118', 'message': 'COMMAND OK', 'eventClass': '/Cmd/Fail', 'monitor': 'localhost'}
2012-04-01 10:13:25,307 DEBUG zen.zencommand: Total of 1 queued events
2012-04-01 10:13:25,308 DEBUG zen.zencommand: Next command in 9 seconds
2012-04-01 10:13:26,952 DEBUG zen.zencommand: Received exit code: 0
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[Shane Scott]

Shane Scott [http://community.zenoss.org/people/hackman238] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach:

Interesting. I'm going to tes this in other versions monday and get back to you. Looks like a bug.

--Shane
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach, I was able to recreate a similar sitation if permissions on "check"  (The file) don't have write permissions. Is it possible that the "check" file doesn't have permissions for the zenoss user to write/append?

In my attempts to reproduce, I ran the check.py first as root, then switched to the zenoss user and manually ran check.py. In this case I did see a stack trace (unsure if zencommand might swallow it), but I did get an exit code of 1.

It might be worth checking the permissions.
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi Dpetzel, Shane,

First of all, WOW, much thanks for the help and time!
Really appreciate it :)

2nd, here the permissions:

-rwxrwxr-x 1 zenoss zenoss   647 2012-04-01 10:13 check.py

BTW, my system is:
Linux zenossu 3.0.0-12-generic-pae #20-Ubuntu SMP Fri Oct 7 16:37:17 UTC 2011 i686 i686 i386 GNU/Linux
Zenoss version 3.2.1
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Tzach,

Post by Tzach Solomon
logname='check'
logger = logging.getLogger(logname)
formatString = '%(asctime)s - %(name)s - %(levelname)s - %(filename)s - %(funcName)s - %(message)s'
logging.basicConfig(filename=logname, level=logLevel, filemode='w', format=formatString)
Create a new logger with namespace of 'check', and write to the *file named check* (no extension).

So on your file system you should have 2nd file just called *check* (not check.py). That is the file in question.
Thanks
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi Dpetzel,

I dont see any file named check
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Post by Tzach Solomon
logging.basicConfig(filename=logname, level=logLevel, filemode='w', format=formatString)
logging.basicConfig(filename='/tmp/check.log', level=logLevel, filemode='w', format=formatString)

Restart and Retest
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Hi dpetzel,

You are the man!!!!
That was it!!!

Ohh my god, weeks of frustration ended!! :)

Thank you very very much! :)
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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Excellent, glad its working. Please be sure to make this as answered.
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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How do I do that? I dont have the option from some reason :(
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[Tzach Solomon]

Tzach Solomon [http://community.zenoss.org/people/tzach] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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I can't mark this as correct answer since I didn't start this thread.

Isn't that stupid?
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[dpetzel]

dpetzel [http://community.zenoss.org/people/dpetzel] created the discussion

"Re: Nagios plug-in COMMAND output problem - help!"

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LOL my first reaction was "yes that is dumb", but then I thought.. well I guess I woundnt want someone else marking a question I opened as answered, as who knows if it was actually answered to the original users satisfaction :)

In any event, as long as we fixed something for someone, its good.
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