[Nagiosplug-help] (Return code of 127 is out of bounds - plugin may be missing)

Andy Shellam andy-lists at networkmail.eu
Mon Oct 13 19:02:35 CEST 2008
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Hi Grant,

Thanks for the reply - what is the value of $USER1$ in Nagios' 
etc/resource.cfg file?  I'm guessing your other plugins (in the same 
directory as check_nrpe) work correctly?  One last thing to try, purely 
for debugging, is to set check_nrpe's owner to nagios (i.e. chown.)

Other than that, I'm stumped.

Andy


Grant Lowe wrote:
> Hi Andy,
>
> The "*" just means its an executable file, that's all.  The permissions from /usr all the way down look good. They all have 755 permissions. 
>
> Here's the output with the --help switch:
>
> [nagios at nagios-test ~]$ /usr/lib/nagios/plugins/check_nrpe --help
>
> NRPE Plugin for Nagios
> Copyright (c) 1999-2007 Ethan Galstad (nagios at nagios.org)
> Version: 2.7
> Last Modified: 02-19-2007
> License: GPL v2 with exemptions (-l for more info)
> SSL/TLS Available: Anonymous DH Mode, OpenSSL 0.9.6 or higher required
>
> Usage: check_nrpe -H <host> [-n] [-u] [-p <port>] [-t <timeout>] [-c <command>] [-a <arglist...>]
>
> Options:
>  -n         = Do no use SSL
>  -u         = Make socket timeouts return an UNKNOWN state instead of CRITICAL
>  <host>     = The address of the host running the NRPE daemon
>  [port]     = The port on which the daemon is running (default=5666)
>  [timeout]  = Number of seconds before connection times out (default=10)
>  [command]  = The name of the command that the remote daemon should run
>  [arglist]  = Optional arguments that should be passed to the command.  Multiple
>               arguments should be separated by a space.  If provided, this must be
>               the last option supplied on the command line.
>
> Note:
> This plugin requires that you have the NRPE daemon running on the remote host.
> You must also have configured the daemon to associate a specific plugin command
> with the [command] option you are specifying here.  Upon receipt of the
> [command] argument, the NRPE daemon will run the appropriate plugin command and
> send the plugin output and return code back to *this* plugin.  This allows you
> to execute plugins on remote hosts and 'fake' the results to make Nagios think
> the plugin is being run locally.
>
> [nagios at nagios-test ~]$
>
> Also, here's the output from the nagios GUI of "View Config and Commands""
>
> check_nrpe
> $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ -a $ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$ $ARG7$
>
> grant
>
>
>
> ----- Original Message ----
> From: Andy Shellam <andy-lists at networkmail.eu>
> To: Grant Lowe <glowe at sbcglobal.net>
> Cc: kyle smith <kyles at apple.com>; nagiosplug-help at lists.sourceforge.net
> Sent: Sunday, October 12, 2008 2:05:50 PM
> Subject: Re: [Nagiosplug-help] (Return code of 127 is out of bounds - plugin may be missing)
>
> Hi Grant,
>
> There must be some other issue that's causing the return code 127.  I'm 
> not too familiar with the system you're using - is it Solaris?  Does the 
> "*" next to check_nrpe in your "ls -l" output mean anything significant?
>
> Also what are the permissions on /usr/lib/nagios/plugins and all parent 
> directories?  What do you get if you "su nagios" (or whatever user your 
> Nagios system runs as) and do "/usr/lib/nagios/plugins/check_nrpe --help" ?
>
> Lastly, from the Nagios interface, select View Config and Commands - 
> what is your check_nrpe command-line?  If it contains a $USERx$ macro, 
> what's the value of that macro (in etc/resource.cfg) ?
>
> Andy
>
> Grant Lowe wrote:
>   
>> Hi Andy,
>>
>> Yes, I did those things.  Take a look:
>>
>> nagios-test /usr2/glowe> locate check_nrpe
>> /usr/lib/nagios/plugins/check_nrpe
>> nagios-test /usr2/glowe> ls -l /usr/lib/nagios/plugins/check_nrpe
>> -rwxr-xr-x 1 root root 22064 May 16  2007 /usr/lib/nagios/plugins/check_nrpe*
>> nagios-test /usr2/glowe> 
>> /opt/csw> ps -ef | grep nrpe
>>    glowe 12374 11457  0 08:19:53 pts/4    0:00 grep nrpe
>>   nagios  6411     1  0   Oct 10 ?        0:00 /opt/csw/bin/nrpe -c /opt/csw/etc/nrpe.cfg -d
>> /opt/csw> 
>>
>> Did I miss something?
>>
>>
>>
>> ----- Original Message ----
>> From: Andy Shellam <andy-lists at networkmail.eu>
>> To: Grant Lowe <glowe at sbcglobal.net>
>> Cc: kyle smith <kyles at apple.com>; nagiosplug-help at lists.sourceforge.net
>> Sent: Sunday, October 12, 2008 2:35:06 AM
>> Subject: Re: [Nagiosplug-help] (Return code of 127 is out of bounds - plugin may be missing)
>>
>> Grant,
>>
>> Have you checked the permissions of check_nrpe on your Nagios host as I 
>> suggested?  Also when running check_nrpe from the server's console, are 
>> you running it as the Nagios user?
>>
>> Also check that the path to the plugin in Nagios is correct - return 
>> code 127 means the plugin doesn't exist, or cannot be executed (e.g. 
>> permissions.)
>>
>> Andy
>>
>> Grant Lowe wrote:
>>  
>>     
>>> I'm wondering if it's my command or service definitions.  Would it be helpful to show what they are?
>>>
>>>
>>> ----- Original Message ----
>>> From: kyle smith <kyles at apple.com>
>>> To: Grant Lowe <glowe at sbcglobal.net>
>>> Cc: Andy Shellam <andy-lists at networkmail.eu>; nagiosplug-help at lists.sourceforge.net
>>> Sent: Friday, October 10, 2008 3:34:05 PM
>>> Subject: Re: [Nagiosplug-help] (Return code of 127 is out of bounds - plugin may be missing)
>>>
>>> Hey Grant,
>>>
>>> If your server and client are the same OS you can just copy that  
>>> check_nrpe plugin obviously. If not the same version you can download  
>>> and build it for the client.
>>>
>>> That is strange that you can run the check_nrpe plugin from the  
>>> command line on the server OK but the console is throwing that  
>>> message. For me if the stuff works in the command line then the  
>>> console works too (I'm on OSX) so I'm not sure what to say about that.
>>>
>>> kyle
>>>
>>> On Oct 10, 2008, at 1:53 PM, Grant Lowe wrote:
>>>
>>>  
>>>    
>>>       
>>>> Hi Kyle,
>>>>
>>>> Except for running check_nrpe on the NRPE client, all the other  
>>>> tests passed.  I'm still having the problem.  If you have any other  
>>>> ideas, please send them my way.  Also, if you know of where I can  
>>>> get the check_nrpe binary, that would be great!
>>>>
>>>>
>>>>
>>>> ----- Original Message ----
>>>> From: kyle smith <kyles at apple.com>
>>>> To: Andy Shellam <andy-lists at networkmail.eu>
>>>> Cc: Grant Lowe <glowe at sbcglobal.net>; nagiosplug- 
>>>> help at lists.sourceforge.net
>>>> Sent: Friday, October 10, 2008 11:09:53 AM
>>>> Subject: Re: [Nagiosplug-help] (Return code of 127 is out of bounds  
>>>> - plugin may be missing)
>>>>
>>>> Here's what I do when I need to sort out plugin problems. Note that
>>>> you install the check_nrpe plugin on your clients for testing
>>>> purposes only. If all these things work then you should be golden!
>>>>
>>>> good luck
>>>>
>>>> kyle
>>>>
>>>> TO TEST CHECK_NRPE COMMANDS
>>>>
>>>> ON REMOTE HOST (nagios client)
>>>>
>>>> * test check_nrpe plugin
>>>> hosta:/usr/local/nagios root# libexec/check_nrpe -H localhost
>>>> NRPE v2.11
>>>>
>>>> * test the local plugin you call from your command which you define
>>>> in nrpe.cfg
>>>> hosta:/usr/local/nagios root# /usr/local/nagios/libexec/check_disk -w
>>>> 50% -c 5% -p /dev/disk0s9
>>>> DISK OK - free space: / 48578 MB (85% inode=84%);| /=8412MB;
>>>> 28620;54378;0;57241
>>>>
>>>> * test command defined in nrpe.cfg by running via check_nrpe plugin
>>>> (installed for test purposes only)
>>>> hosta:/usr/local/nagios root# libexec/check_nrpe -H localhost -c
>>>> check_disk_hosta
>>>> DISK OK - free space: / 48578 MB (85% inode=84%);| /=8412MB;
>>>> 28620;54378;0;57241
>>>>
>>>> ON NAGIOS SERVER
>>>> * check the nrpe daemon on remote host
>>>> hostb:/usr/local/nagios root# libexec/check_nrpe -H hosta_ip_address
>>>> NRPE v2.11
>>>>
>>>> * check the newly setup command via check_nrpe plugin
>>>> hostb:/usr/local/nagios root# libexec/check_nrpe -H hosta_ip_address -
>>>> c check_disk_hosta
>>>>
>>>>
>>>> On Oct 10, 2008, at 9:55 AM, Andy Shellam wrote:
>>>>
>>>>    
>>>>      
>>>>         
>>>>> Hi Grant,
>>>>>
>>>>> It's possible it may be the check_nrpe plugin on the Nagios host
>>>>> that is
>>>>> having trouble - i.e. what are the permissions on
>>>>> /usr/local/nagios/libexec/check_nrpe (replace /usr/local/nagios
>>>>> with the
>>>>> actual path to the plugins on your Nagios server.)
>>>>>
>>>>>  From my own experience, when the error is on the NRPE-host side of
>>>>> things, Nagios returns the status as "unknown."
>>>>>
>>>>> Andy
>>>>>
>>>>> Grant Lowe wrote:
>>>>>      
>>>>>        
>>>>>           
>>>>>> Hi All,
>>>>>>
>>>>>> Since I've had such good luck with you guys, I thought I would ask
>>>>>> for some more help :-).  Anyway, I'm getting this message
>>>>>> "(Return code of 127 is out of bounds - plugin may be missing)."
>>>>>> The plugins aren't missing:
>>>>>>
>>>>>> myhost /tmp> ls -l /opt/csw/libexec/nagios-plugins/check_swap /opt/
>>>>>> csw/libexec/nagios-plugins/check_mailq
>>>>>> -rwxr-xr-x   1 root     bin        20371 Oct  9 12:46 /opt/csw/
>>>>>> libexec/nagios-plugins/check_mailq*
>>>>>> -rwxr-xr-x   1 root     bin        61364 Jan  4  2008 /opt/csw/
>>>>>> libexec/nagios-plugins/check_swap*
>>>>>> myhost /tmp>
>>>>>>
>>>>>>
>>>>>> I've searched google and found similar problems and their
>>>>>> solutions, but nothing seems to work.  This is rather puzzling
>>>>>> because, if I run the command from the command line from the
>>>>>> Nagios host, I get good information back from the NRPE host.  But
>>>>>> I get this error in the GUI.  I get this error for two different
>>>>>> commands.  Here are the commands I'm checking in nrpe.cfg
>>>>>>
>>>>>> command[check_swap]=/opt/csw/libexec/nagios-plugins/check_swap -w
>>>>>> 85 -c 75
>>>>>> command[check_mailq]= /opt/csw/libexec/nagios-plugins/check_mailq -
>>>>>> w 90 -c 95
>>>>>>
>>>>>> Any and all help is appreciated.
>>>>>>
>>>>>> -------------------------------------------------------------------- 
>>>>>> -
>>>>>> ----
>>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>>>>>> challenge
>>>>>> Build the coolest Linux based applications with Moblin SDK & win
>>>>>> great prizes
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>>>>>> the world
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>>>>>> _______________________________________________
>>>>>> Nagiosplug-help mailing list
>>>>>> Nagiosplug-help at lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/nagiosplug-help
>>>>>> ::: Please include plugins version (-v) and OS when reporting any
>>>>>> issue.
>>>>>> ::: Messages without supporting info will risk being sent to /dev/
>>>>>> null
>>>>>>
>>>>>>        
>>>>>>          
>>>>>>             
>>>>> --------------------------------------------------------------------- 
>>>>> -
>>>>> ---
>>>>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>>>>> challenge
>>>>> Build the coolest Linux based applications with Moblin SDK & win
>>>>> great prizes
>>>>> Grand prize is a trip for two to an Open Source event anywhere in
>>>>> the world
>>>>> http://moblin-contest.org/redirect.php?banner_id=100&url=/
>>>>> _______________________________________________
>>>>> Nagiosplug-help mailing list
>>>>> Nagiosplug-help at lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/nagiosplug-help
>>>>> ::: Please include plugins version (-v) and OS when reporting any
>>>>> issue.
>>>>> ::: Messages without supporting info will risk being sent to /dev/ 
>>>>> null
>>>>>      
>>>>>        
>>>>>           
>>>  
>>>    
>>>       
>>  
>>     
>
>
>
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