Nagios not sending host or service notifications

[Tim Philips]

On 5/6/09 2:36 AM, Marc Powell wrote:

Hi Marc,

You just saved me _lots_ of time.  It looks like someone had adjusted 
the permissions on /tmp to 0700 and owned by root:root - hence no tmp 
file could be created by /usr/bin/mail or /usr/bin/mailx

I did a stat on the directory but it has been updated several times 
since Nagios stoppped working so I'm no doubt not going to be able to 
find out when it was modified and by which uid.

Much appreciate your assistance!!!!



Cheers


> On Jun 4, 2009, at 1:48 AM, Tim Philips wrote:
>
>    
>> When a host (or service) experiences a problem the normal process
>> seems to be happening (from what I see in the UI and the logs):
>>
>> [1244096420] SERVICE ALERT: localhost;root /dev/mapper/VolGroup00-
>> LogVol00;CRITICAL;SOFT;1;DISK CRITICAL - free space: / 17736 MB (4%
>> inode=99%):
>> [1244096480] SERVICE ALERT: localhost;root /dev/mapper/VolGroup00-
>> LogVol00;CRITICAL;SOFT;2;DISK CRITICAL - free space: / 17739 MB (4%
>> inode=99%):
>> [1244096540] SERVICE ALERT: localhost;root /dev/mapper/VolGroup00-
>> LogVol00;CRITICAL;SOFT;3;DISK CRITICAL - free space: / 17739 MB (4%
>> inode=99%):
>> [1244096600] SERVICE ALERT: localhost;root /dev/mapper/VolGroup00-
>> LogVol00;CRITICAL;HARD;4;DISK CRITICAL - free space: / 17739 MB (4%
>> inode=99%):
>> [1244096600] SERVICE NOTIFICATION: nagiosadmin;localhost;root /dev/
>> mapper/VolGroup00-LogVol00;CRITICAL;notify-service-by-email;DISK
>> CRITICAL - free space: / 17739 MB (4% inode=99%):
>>      
>
> This is good. Nagios is trying to execute the notify-service-by-email
> command.
>
>    
>> [1244096600.198454] [032.0] [pid=7951] 1 contacts were notified.
>> Next possible notification time: Thu Jun  4 19:23:20 2009
>> [1244096600.198514] [032.0] [pid=7951] 1 contacts were notified.
>>      
>
> ... and nagios believes it was successful
>
>    
>> I'm able to manually use the mail command to send external e-mail
>> (have attempted this several times) and can confirm that I can
>> manually execute the command_line for the notification option:
>>      
>
> as the nagios user? (just covering the base)...
>
>    
>> I have addjusted the command_line and changed it to something like
>> (for example):
>>
>>      command_line    echo "testing" | /usr/bin/mail -s "** TEST
>> SUBJECT **" my at email.address
>>      
>
> How about eliminating /usr/bin/mail entirely and dumping text to a
> file in /tmp?
>
> 	command_line echo `date` ' - I notified!'>>  /tmp/notif.log
>
>    
>> All this said I'm not seeing anything in the mail server logs
>> indicating that Nagios is even attempting to use notify-service-by-
>> email and send e-mail.
>>      
>
> That's interesting and my money is on it being some problem related
> to /usr/bin/mail. You might try capturing the output of /usr/bin/mail
> by redirecting to a log file --
>
> command_line    echo "testing" | /usr/bin/mail -s "** TEST SUBJECT **" my at email.address
>    >>/tmp/mail.err 2>&1
>
> --
> Marc
>
>
> ------------------------------------------------------------------------------
> OpenSolaris 2009.06 is a cutting edge operating system for enterprises
> looking to deploy the next generation of Solaris that includes the latest
> innovations from Sun and the OpenSource community. Download a copy and
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>    


-- 

Tim Philips
Solutions Architecture Team
DTS - A Better Broadband Experience
+64-21-438-846
timp at dts.net.nz
www.dts.net.nz

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OpenSolaris 2009.06 is a cutting edge operating system for enterprises 
looking to deploy the next generation of Solaris that includes the latest 
innovations from Sun and the OpenSource community. Download a copy and 
enjoy capabilities such as Networking, Storage and Virtualization. 
Go to: http://p.sf.net/sfu/opensolaris-get
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