R: email notification problem

[Arno Lehmann]

Hello,

On 1/27/2006 10:23 AM, Nicola Agnelli wrote:
> Hello all,
> i've the same problem, i've installed nagios 2.0 and all works good, but the
> email notifications can't be send..

The first step could be to modify your command_line to actually send a 
message. Usually, you use printf to create and format the output AND 
THEN pipe that output to your mail program.

Like 'printf "somethning" | mail -s Notification ...

Arno

> my command is the default command:
> 
> define command{
>         command_name    notify-by-email
>         command_line    /usr/bin/printf "%b" "***** Nagios
> *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService:
> $SERVICEDESC$\nHost: $HOSTALIAS$\nAdd$
>         }
> And:
> define command{
>         command_name    host-notify-by-email
>         command_line    /usr/bin/printf "%b" "***** Nagios
> *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState:
> $HOSTSTATE$\nAddress: $$
>         }
> 
> But I can't receive notifications mails.. 
> Here are the nagios.log:
> 
> ....
> [1138352948] HOST ALERT: w2k3-server;DOWN;SOFT;9;CRITICAL - Host Unreachable
> (10.0.0.222)
> [1138352951] HOST ALERT: w2k3-server;DOWN;HARD;10;CRITICAL - Host
> Unreachable (10.0.0.222)
> [1138352951] HOST NOTIFICATION:
> nagios-admin;w2k3-server;DOWN;host-notify-by-email;CRITICAL - Host
> Unreachable (10.0.0.222)
> ....
> 
> How can I resolve ? 
> 
> Tnx all
> 
> nicola
> 
> 
> -----Messaggio originale-----
> Da: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] Per conto di Arno Lehmann
> Inviato: venerdì 27 gennaio 2006 10.02
> A: nagios-users at lists.sourceforge.net
> Oggetto: Re: [Nagios-users] email notification problem
> 
> Hello,
> 
> On 1/27/2006 3:44 AM, test 123king wrote:
> 
>>I have set up nagios nagios-1.3-14.fc4 in my FC4 server, the only 
>>problem now is the email notification can't be send out.
>>The original notify-by-email in misccommands.cfg file is like below:
>># 'notify-by-email' command definition
>>define command{
>>command_name notify-by-email
>>command_line /usr/bin/printf "%b" "***** Nagios *****nnNotification 
>>Type: $NOTIFICATIONTYPE$nnService: $SERVIC
>>EDESC$nHost: $HOSTALIAS$nAddress: $HOSTADDRESS$nState: 
>>$SERVICESTATE$nnDate/Time: $DATETIME$nnAdditional Info:n
>>n$OUTPUT$" | -s "** $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$SERVICEDESC$ 
>>is $SERVICESTATE$ **" $CONTACTEMAIL$
>>}
>>
>>I changed it to :
>># 'notify-by-email' command definition
>>define command{
>>command_name notify-by-email
>>command_line /bin/mail "%b" "***** Nagios *****nnNotification Type: 
>>$NOTIFICATIONTYPE$nnService: $SERVIC
>>EDESC$nHost: $HOSTALIAS$nAddress: $HOSTADDRESS$nState: 
>>$SERVICESTATE$nnDate/Time: $DATETIME$nnAddi tional Info:n
>>n$OUTPUT$" | -s "** $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$SERVICEDESC$ 
>>is $SERVICESTATE$ **" $CONTACTEMAIL$
>>}
>>
>>Basically I replaced /usr/bin/printf with /bin/mail.
> 
> 
> And you don't have a valid command line left: after the pipe, there 
> should be a program to read the output from mail. And your invocation of 
> mail looks a little... non-standard to me.
> 
> 
>>In the /var/log/messages log I see the following error:
>>
>>
>>Warning: Attempting to execute the command "/bin/mail "%b" "***** Nagios 
>>*****nnNotification Type: RECOVERYnHost: Server-1nState: UPnAddress: 
>>10.100.1.79nInfo: PING OK - Packet loss = 0%, RTA = 0.76 msnnDate/Time: 
>>Thu Jan 26 17:48:21 EST 2006n" | -s "Host UP alert for Server-OTM!" 
>>sysadmin at www.com <mailto:sysadmin at www.com>" resulted in a return code of 
>>127. Make sure the scri//pt or binary you are trying to execute actually 
>>exists...
> 
> 
> It's all there: the output from mail is piped to '-s' which, most 
> probably, is not installed on your system as an executable program in 
> the path.
> 
> 
>>Any kind help is highly appreciated!!
>>
> 
> 
> Why don't you try the original notification script and simply insert 
> your mail command between pipe and '-s'? The reason why it's missing, by 
> the way, is probably that configure couldn't identify your mailer.
> 
> Arno
> 

-- 
IT-Service Lehmann                    al at its-lehmann.de
Arno Lehmann                  http://www.its-lehmann.de



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