Nagios Notifications not being Sent Out
Goutos, Kevin
kgoutos at libertymgt.com
Thu Oct 15 22:40:54 CEST 2009
Hello all,
First off, I really appreciate any feedback you can provide. I've just
recently started working with Nagios and everything is working great,
except for notifications being sent out. I've been searching all over
the net, comparing my configurations with others to see if there was
anything noticeable I was missing, but I can't seem to find anything.
I've included my configuration files below for you to look at.
I have been able to send a mail from the server (CentOS 5.3) using
sendmail. I can also successfully send Email using the E-mail commands
in the commands.cfg file.
/usr/bin/mail "%b" "***** Nagios *****\n\nNotification Type:
$NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress:
$HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" |
/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is
$HOSTSTATE$ **" $CONTACTEMAIL$ <MY EMAIL ADDRESS>
Everything is being monitored correctly, just for some reason the
E-mails are not being sent out. I should also note that if I do a "Send
custom host notification
<http://192.168.95.19/nagios/cgi-bin/cmd.cgi?cmd_typ=159&host=AUSTIN-LAP
TOP> " in nagios on a host that has a critical warning, I DO get an
E-mail successfully. It's just not automatically sending them out.
Below is from /var/log/messaging. That shows a test host I've been
using, I don't see anything in there about sending out a notification
though..don't know if I should be. ..
Oct 15 16:11:50 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;CPU
Load;OK;HARD;1;CPU Load 2% (5 min average)
Oct 15 16:11:50 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;Memory
Usage;OK;HARD;1;Memory usage: total:2440.61 Mb - used: 402.64 Mb (16%) -
free: 2037.97 Mb (84%)
Oct 15 16:11:50 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;NSClient++
Version;OK;HARD;1;NSClient++ 0.3.6.818 2009-06-14
Oct 15 16:11:50 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;System
Uptime;OK;HARD;1;System Uptime - 1 day(s) 18 hour(s) 57 minute(s)
Oct 15 16:11:50 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;Used Disk
Space;OK;HARD;1;c:\ - total: 37.26 Gb - used: 21.69 Gb (58%) - free
15.57 Gb (42%)
Oct 15 16:12:00 nagios nagios: SERVICE ALERT: AUSTIN-LAPTOP;Ping
Test;OK;HARD;1;PING OK - Packet loss = 0%, RTA = 3.62 ms
Oct 15 16:12:00 nagios nagios: HOST ALERT: AUSTIN-LAPTOP;UP;HARD;1;PING
OK - Packet loss = 0%, RTA = 0.55 ms
Is there something obvious I am missing in the config files? I
appreciate the help, please let me know what you think.
Thank you!!!
Kevin
Templates.cfg
########################################################################
#######
########################################################################
#######
#
# CONTACT TEMPLATES
#
########################################################################
#######
########################################################################
#######
define contact{
name generic-contact ; The
name of this contact template
host_notifications_enabled 1
service_notifications_enabled 1
host_notification_commands notify-host-by-email
service_notification_commands notify-service-by-email
service_notification_period 24x7 ; service
notifications can be sent anytime
host_notification_period 24x7 ; host
notifications can be sent anytime
service_notification_options w,u,c,r,f,s ; send
notifications for all service states, flapping events, and scheduled
downtime events
host_notification_options w,u,c,r,f,s ; send
notifications for all host states, flapping events, and scheduled
downtime events
register 0 ; DONT
REGISTER THIS DEFINITION - ITS NOT A REAL CONTACT, JUST A TEMPLATE!
}
########################################################################
#######
########################################################################
#######
#
# HOST TEMPLATES
#
########################################################################
#######
########################################################################
#######
# Generic host definition template - This is NOT a real host, just a
template!
define host{
name generic-host ; The name of
this host template
notifications_enabled 1 ; Host
notifications are enabled
event_handler_enabled 1 ; Host
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
notification_period 24x7 ; Send
host notifications at any time
check_period 24x7 ; By
default, Linux hosts are checked round the clock
check_interval 1 ;
Actively check the host every 1 minutes
retry_interval 1 ;
Schedule host check retries at 1 minute intervals
max_check_attempts 10 ; Check
each Linux host 10 times (max)
check_command check-host-alive ; Default
command to check Linux hosts
notification_period workhours ; Linux
admins hate to be woken up, so we only notify during the day
notification_interval 120 ; Resend
notifications every 2 hours
notification_options w,u,c,r,f,s ; Only
send notifications for specific host states
contact_groups libertyadminsgroup ;
Notifications get sent to the admins by default
register 0 ; DONT
REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
}
# Windows host definition template - This is NOT a real host, just a
template!
define host{
name windows-server ; The name of
this host template
use generic-host ; Inherit
default values from the generic-host template
check_period 24x7 ; By default,
Windows servers are monitored round the clock
check_interval 1 ; Actively check
the server every 1 minutes
retry_interval 1 ; Schedule host
check retries at 1 minute intervals
max_check_attempts 10 ; Check each
server 10 times (max)
check_command check-host-alive ; Default
command to check if servers are "alive"
notification_period 24x7 ; Send
notification out at any time - day or night
notification_interval 60 ; Resend
notifications every 30 minutes
notification_options w,u,c,r,f,s ; Only send
notifications for specific host states
contact_groups libertyadminsgroup ; Notifications
get sent to the admins by default
hostgroups windows-servers ; Host groups
that Windows servers should be a member of
register 0 ; DONT REGISTER
THIS - ITS JUST A TEMPLATE
}
# Define a template for switches that we can reuse
define host{
name switches ; The
name of this host template
use generic-host ; Inherit
default values from the generic-host template
check_period 24x7 ; By
default, switches are monitored round the clock
check_interval 5 ;
Switches are checked every 5 minutes
retry_interval 1 ;
Schedule host check retries at 1 minute intervals
max_check_attempts 10 ; Check
each switch 10 times (max)
check_command check-host-alive ; Default
command to check if routers are "alive"
notification_period 24x7 ; Send
notifications at any time
notification_interval 30 ; Resend
notifications every 30 minutes
notification_options w,u,c,r,f,s ; Only
send notifications for specific host states
contact_groups libertyadminsgroup ;
Notifications get sent to the admins by default
hostgroups switches
register 0 ; DONT
REGISTER THIS - ITS JUST A TEMPLATE
}
define host{
name routers ; The
name of this host template
use generic-host ; Inherit
default values from the generic-host template
check_period 24x7 ; By
default, switches are monitored round the clock
check_interval 5 ;
Switches are checked every 5 minutes
retry_interval 1 ;
Schedule host check retries at 1 minute intervals
max_check_attempts 10 ; Check
each switch 10 times (max)
check_command check-host-alive ; Default
command to check if routers are "alive"
notification_period 24x7 ; Send
notifications at any time
notification_interval 30 ; Resend
notifications every 30 minutes
notification_options w,u,c,r,f,s ; Only
send notifications for specific host states
contact_groups libertyadminsgroup ;
Notifications get sent to the admins by default
hostgroups routers
register 0 ; DONT
REGISTER THIS - ITS JUST A TEMPLATE
}
########################################################################
#######
########################################################################
#######
#
# SERVICE TEMPLATES
#
########################################################################
#######
########################################################################
#######
# Generic service definition template - This is NOT a real service, just
a template!
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 3 ;
Re-check the service up to 3 times in order to determine its final
(hard) state
normal_check_interval 3 ; Check
the service every 10 minutes under normal conditions
retry_check_interval 1 ;
Re-check the service every two minutes until a hard state can be
determined
contact_groups libertyadminsgroup ;
Notifications get sent out to everyone in the 'admins' group
notification_options w,u,c,r,f,s ; Send
notifications about warning, unknown, critical, and recovery events
notification_interval 60 ;
Re-notify about service problems every hour
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!
}
Commands.cfg
# 'notify-host-by-email' command definition
define command{
command_name notify-host-by-email
command_line /usr/bin/mail "%b" "***** Nagios
*****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState:
$HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time:
$LONGDATETIME$\n" | /bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert:
$HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$
}
# 'notify-service-by-email' command definition
define command{
command_name notify-service-by-email
command_line /usr/bin/mail "%b" "***** Nagios
*****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService:
$SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState:
$SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional
Info:\n\n$SERVICEOUTPUT$" | /bin/mail -s "** $NOTIFICATIONTYPE$ Service
Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
}
Services.cfg
define service{
use generic-service
hostgroup_name windows-servers
service_description System Uptime
check_command check_nt!UPTIME
}
define service{
use generic-service
hostgroup_name windows-servers
service_description CPU Load
check_command check_nt!CPULOAD!-l 5,80,90
}
define service{
use generic-service
hostgroup_name windows-servers
service_description Memory Usage
check_command check_nt!MEMUSE!-w 80 -c 90
}
define service{
use generic-service
hostgroup_name windows-servers
service_description Used Disk Space
check_command check_nt!USEDDISKSPACE!-l c -w 80 -c 90
}
define service{
use generic-service
hostgroup_name windows-servers
service_description Ping Test
check_period 24x7
max_check_attempts 3
normal_check_interval 3
retry_check_interval 1
contact_groups libertyadminsgroup
notification_interval 60
notification_period 24x7
notification_options w,u,c,r
check_command check_ping!200.0,20%!600.0,60% ;
The command used to monitor the service
}
Hosts.cfg (just included one of many)
define host{
use windows-server ; Inherit default values from
a template
host_name NAME ; The name we're giving to
this host
alias NAME ; A longer name associated
with the host
address <IP ADDRESS> ; IP address of the host
}
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