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#!/bin/bash
#
# Check_procr.sh
#
# Program: Process running check plugin for Nagios
# License : GPL
# Copyright (c) 2002 Jerome Tytgat (j.tytgat@sioban.net)
#
# check_procr.sh,v 1.0 2002/09/18 15:28
#
# Description :
#
# This plugin check if at least one process is running
#
# Usage :
#
# check_procr.sh -p process_name
#
# Example :
#
# To know if snort is running
# check_procr.sh -p snort
# > OK - total snort running : PID=23441
#
# Linux Redhat 7.3
#
help_usage() {
echo "Usage:"
echo " $0 -p <process_name>"
echo " $0 (-v | --version)"
echo " $0 (-h | --help)"
}
help_version() {
echo "check_procr.sh (nagios-plugins) 1.0"
echo "The nagios plugins come with ABSOLUTELY NO WARRANTY. You may redistribute"
echo "copies of the plugins under the terms of the GNU General Public License."
echo "For more information about these matters, see the file named COPYING."
echo "Copyright (c) 2002 Jerome Tytgat - j.tytgat@sioban.net"
echo "Greetings goes to Websurg which kindly let me took time to develop this"
echo " Manu Feig and Jacques Kern who were my beta testers, thanks to them !"
}
verify_dep() {
needed="bash cut egrep expr grep let ps sed sort tail test tr wc"
for i in `echo $needed`
do
type $i > /dev/null 2>&1 /dev/null
if [ $? -eq 1 ]
then
echo "I am missing an important component : $i"
echo "Cannot continue, sorry, try to find the missing one..."
exit 3
fi
done
}
myself=$0
verify_dep
if [ "$1" = "-h" -o "$1" = "--help" ]
then
help_version
echo ""
echo "This plugin will check if a process is running."
echo ""
help_usage
echo ""
echo "Required Arguments:"
echo " -p, --process STRING"
echo " process name we want to verify"
echo ""
exit 3
fi
if [ "$1" = "-v" -o "$1" = "--version" ]
then
help_version
exit 3
fi
if [ `echo $@|tr "=" " "|wc -w` -lt 2 ]
then
echo "Bad arguments number (need two)!"
help_usage
exit 3
fi
tt=0
process_name=""
exclude_process_name=""
wt=""
ct=""
# Test of the command lines arguments
while test $# -gt 0
do
case "$1" in
-p|--process)
if [ -n "$process_name" ]
then
echo "Only one --process argument is useful..."
help_usage
exit 3
fi
shift
process_name="`echo $1|tr \",\" \"|\"`"
;;
*)
echo "Unknown argument $1"
help_usage
exit 3
;;
esac
shift
done
# ps line construction set...
for i in `ps ho pid -C $process_name`
do
pid_list="$pid_list $i"
done
if [ -z "$pid_list" ]
then
crit=1
else
crit=0
fi
# Finally Inform Nagios of what we found...
if [ $crit -eq 1 ]
then
echo "CRITICAL - process $process_name is not running !"
exit 2
else
echo "OK - process $process_name is running : PID=$pid_list "
exit 0
fi
# Hey what are we doing here ???
exit 3
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