I have an event handler script that sends a formatted email. It works
fine from the command line, however it's not working when Nagios
attempts to activate it. Here are some details, names have been
changed to protect the innocent:
Service Definition:
define service{
use url-service
host_name customer.server.net
service_description http://customer.server.net
check_command check_simple_url!http://customer.server.net
event_handler open_outage!"Customer Corporation"
}
Command Definition:
# 'open_outage' command definition
define command{
command_name open_outage
command_line
/usr/local/nagios/libexec/eventhandlers/open_outage $SERVICESTATE$
$SERVICESTATETYPE$ $SERVICEATTEMPT$ $SERVICEDESCRIPTION$ $ARG1$
}
When I run the script by hand, manually specifying the five variables,
it works swimmingly. The email is sent and all is well. This is what
I see in the event log when it runs automatically:
[09-28-2009 15:36:14] SERVICE EVENT HANDLER:
customer.server.net;http://customer.server.net;(null);(null);(null);open_outage!"Customer
Corporation"
But our mail log is showing that no mail is actually sent. The actual
script itself is listed below:
#!/bin/sh
#
# Event handler script for opening CQ outages
SERVICESTATE=$1
SERVICESTATETYPE=$2
SERVICEATTEMPT=$3
SERVICEDESCRIPTION=$4
CUSTOMERNAME=$5
DATE=$(date +%m/%d/%Y\ %r)
openoutage() {
cat <<EOF | /bin/mail -s "Outage submit" c...@ourmailserver.com
Product: X_Application
Outage_Type: Unplanned Outage
Outage_Subtype: Server Issue
Customers: $CUSTOMERNAME
{Headline: $SERVICEDESCRIPTION is DOWN
}
{Description: Nagios was unable to poll $SERVICEDESCRIPTION three
times in a row.
Please investigate this outage as soon as possible.
}
{Customer_Experience: Customers and end-users will be unable to access
the website.
}
{Customer_Impact: Site down, no access.
}
Timezone: CST
Start_Time: $DATE
Duration_Expected: 15 - 30 minutes
EOF
}
# First we check what state the service is currently in
case "$1" in
OK)
;;
WARNING)
;;
UNKNOWN)
;;
# CRITICAL is the state that we're interested in
CRITICAL)
# Next we check whether it's in a soft or hard state.
case "$2" in
SOFT)
;;
HARD)
case "$3" in
3)
echo -n "URL has failed 3 checks and is in a hard
state, opening CQ outage..."
openoutage
;;
esac
esac
;;
esac
exit 0
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