Hi All,
Need help with an Eventhandler!
After Nagios (successfully) executes the eventhandler, no further checks
are done on any host. Nagios is like in a stopped or stalled state.
Here is my config. I actually took it from the manual:
define service {
host_name blah
service_description NSCA
use local_1m
check_command check_tcp!5667
event_handler handler_restart_nsca
event_handler_enabled 1
register 1
}
define command {
command_name handler_restart_nsca
command_line
/usr/share/nagios3/plugins/eventhandlers/restart-nsca $SERVICESTATE$
$SERVICESTATETYPE$ $SERVICEATTEMPT$
}
/usr/share/nagios3/plugins/eventhandlers/restart-nsca
#!/bin/sh
#
# Event handler script for restarting the web server on the local
machine
#
# Note: This script will only restart the web server if the service is
# retried 3 times (in a "soft" state) or if the web service
somehow
# manages to fall into a "hard" error state.
#
# What state is the NSCA service in?
case "$1" in
OK)
# The service just came back up, so don't do anything...
;;
WARNING)
# We don't really care about warning states, since the service is
probably still running...
;;
UNKNOWN)
# We don't know what might be causing an unknown error, so don't do
anything...
;;
CRITICAL)
# Aha! The HTTP service appears to have a problem - perhaps we should
restart the server...
# Is this a "soft" or a "hard" state?
case "$2" in
# We're in a "soft" state, meaning that Nagios is in the middle of
retrying the
# check before it turns into a "hard" state and contacts get
notified...
SOFT)
# What check attempt are we on? We don't want to restart the
web
server on the first
# check, because it may just be a fluke!
case "$3" in
# Wait until the check has been tried 3 times before restarting
the
web server.
# If the check fails on the 4th time (after we restart the web
server), the state
# type will turn to "hard" and contacts will be notified of the
problem.
# Hopefully this will restart the web server successfully, so
the 4th
check will
# result in a "soft" recovery. If that happens no one gets
notified
because we
# fixed the problem!
3)
echo -n "Restarting NSCA service (3rd soft critical
state)..."
# Call the init script to restart the NSCA server
/etc/init.d/nsca restart
;;
esac
;;
# The HTTP service somehow managed to turn into a hard error without
getting fixed.
# It should have been restarted by the code above, but for some reason
it didn't.
# Let's give it one last try, shall we?
# Note: Contacts have already been notified of a problem with the
service at this
# point (unless you disabled notifications for this service)
HARD)
echo -n "Restarting HTTP service..."
# Call the init script to restart the NSCA server
/etc/init.d/nsca restart
;;
esac
;;
esac
exit 0
Mit freundlichem Gruß,
Harald Böhmecke
Network / Infrastructure Services
Informationstechnologie D-CSIT-ICS
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An der Autobahn
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