Help - I am unable to send notifications

jonathan williams jonathan.williams at us.g4s.com
Wed Jul 23 21:23:13 CEST 2008


On Wed, 2008-07-23 at 05:03 -0700, Andreas Ericsson wrote:
> jonathan williams wrote:
> > [1216749581] Warning: Attempting to execute the command
> > "/usr/local/nagios/libexec/send_mail.pl -n "SERVICE RECOVERY" -h
> > "jwilliamspc" -s "OK" -a "10.10.113.51" -i "PrintSpooler - Spooler:
> > Started - check_nt!SERVICESTATE!-d SHOWALL -l Spooler" -d "Tue Jul
> 22
> > 10:59:41 PDT 2008" -e "jonathan.williams at us.g4s.com"" resulted in a
> > return code of 126.  Make sure the script or binary you are trying
> to
> > execute actually exists..."
> >
> 
> Due to some weird and slightly bent way of passing errors between
> processes, return code 126 means "Operation not permitted". In
> english, that means the script is not executable, or one of the
> directories leading up to it isn't readable by the Nagios user.
> 
> Run this command (as root):
> 
> chmod 0755 /usr/local/nagios/libexec/send_mail.pl
> 
> (correct the path if necessary)
> and things just might start working a little better.
> 
> --
> Andreas Ericsson                   andreas.ericsson at op5.se
> OP5 AB                             www.op5.se
> Tel: +46 8-230225                  Fax: +46 8-230231
> 
> If this is a double post I apologize, I just did not ever see it go
> through and do not see it in my sent items or drafts.  The error code
> 126 is gone and see what appears to be a successfull notification in
> the nagios log:

[1216840237] SERVICE NOTIFICATION:
nagiosadmin;jwilliamspc;PrintSpooler;CRITICAL;service-notify-by-email;Spooler: Stopped

Still no email though so the issue may be something in the send_mail
script or one of the configs, although they look good to me.  Here's
what I have so far.  send_mail.pl (at least the part I am supposed to
edit:

#!/usr/bin/perl -w
# There are commented examples here of the commands.cfg and contacts.cfg
files
use strict;
use Net::SMTP;
use Getopt::Std;

my $mailhost	=	192.168.1.9	;
my $maildomain	=	us.g4s.com	;
my $mailfrom	=	nagios at us.g4s.com;
my $mailto	=	jonathan.williams at us.g4s.com;
my $timeout		=	30;
my $mailsubject	=	'';	  						#	Leave blank
my $mailbody	=	'';							#	Leave blank
my $logfile		=	'/var/log/mail.log;		     		#	Put somewhere better
my $debug		=	1;						#	To enable SMTP session debugging to logfile

Here is the commands.cfg:

define command{
	command_name	service-notify-by-email
	command_line	$USER1$/send_mail.pl -n "SERVICE $NOTIFICATIONTYPE$" -h
"$HOSTNAME$" -s "$SERVICESTATE$" -a "$HOSTADDRESS$" -i "$SERVICEDESC$ -
$SERVICEOUTPUT$ - $SERVICECHECKCOMMAND$" -d "$LONGDATETIME$" -e
"$CONTACTEMAIL$"
	}

and the contacts.cfg:

define contact{
        contact_name                    nagiosadmin		; Short name of
user
	use				generic-contact		; Inherit default values from generic-contact
template (defined above)
        alias                           nagiosadmin		; Full name of user
	host_notification_commands	host-notify-by-email
	service_notification_commands	service-notify-by-email

        email                           jonathan.williams at us.g4s.com	;
<<***** CHANGE THIS TO YOUR EMAIL ADDRESS ******
     
define contactgroup{
        contactgroup_name       admins
        alias                   Nagios Administrators
        members                 nagiosadmin
        }

service template in templates.cfg

define service{
        name                            generic-service 	; The 'name' of
this service template
        active_checks_enabled           1       		; Active service
checks are enabled
        passive_checks_enabled          1    		   	; Passive service
checks are enabled/accepted
        parallelize_check               1       		; Active service
checks should be parallelized (disabling this can lead to major
performance problems)
        obsess_over_service             1       		; We should obsess
over this service (if necessary)
        check_freshness                 0       		; Default is to NOT
check service 'freshness'
        notifications_enabled           1       		; Service
notifications are enabled
        event_handler_enabled           1       		; Service event
handler is enabled
        flap_detection_enabled          1       		; Flap detection is
enabled
        failure_prediction_enabled      1       		; Failure prediction
is enabled
        process_perf_data               1       		; Process performance
data
        retain_status_information       1       		; Retain status
information across program restarts
        retain_nonstatus_information    1       		; Retain non-status
information across program restarts
        is_volatile                     0       		; The service is not
volatile
        check_period                    24x7			; The service can be
checked at any time of the day
        max_check_attempts              5			; Re-check the service up to
5 times in order to determine its final (hard) state
        normal_check_interval           1			; Check the service every 1
minutes under normal conditions
        retry_check_interval            1			; Re-check the service every
one minute until a hard state can be determined
        contact_groups                  admins			; Notifications get
sent out to everyone in the 'admins' group
	notification_options		w,u,c,r			; Send notifications about warning,
unknown, critical, and recovery events
        notification_interval           5			; Re-notify about service
problems every 5 minutes
        notification_period             24x7			; Notifications can be
sent out at any time
         register                        0       		; DONT REGISTER THIS
DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE!
        }

These are all the variables I can think of unless for some reason
send_mail.pl cannot execute the perl binary or there is another file or
binary missing from this equation that I can't think of.  

Again sorry for the double post if you have already received this.

Jon




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