Gabriele.vivinetto: Created page with "Questo template supporta getopt:

 #!/bin/bash  #   This program is free software; you can redistribute it and/or modify #   it under the terms of the GNU General Public ..."

2015-10-08T11:41:28Z

Created page with "Questo template supporta getopt: <pre> #!/bin/bash # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public ..."

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Questo template supporta getopt:

<pre>
#!/bin/bash

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License only.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

PROGNAME=`basename $0`
VERSION="Version 1.0"
AUTHOR="2011, Tyler Allen (http://www.the-tech-tutorial.com/)"

LV_W=100;
LV_C=100;

#Print Version
print_version() {
echo "$VERSION $AUTHOR"
}

#Print Help
usage(){
echo $PROGNAME $VERSION
echo $AUTHOR
echo
echo This is a Nagios plugin that will check the curremt memory usage of the system.
echo
echo OPTIONS:
echo -h Shows this help
echo -v Shows the Version
echo -w sets the warning level
echo -c sets the critical level
}

#Parmature Getter
while getopts "hvw:c:" opt; do
case $opt in
h)
usage
exit
;;
v)
print_version
exit
;;
w)
LV_W=$OPTARG
;;
c)
LV_C=$OPTARG
;;

\?)
echo "Invalid option: -$OPTARG" >&2
exit 1
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done

#Check the diffrence between the LV values
if [ ${LV_W} -gt ${LV_C} ]
then
echo "Please adjust levels. The critical level must be higher than the warning level!"
exit 666
fi

#Values must be between 0 and 100
if [ "$LV_W" -lt 0 -o "$LV_W" -gt 100 -o "$LV_C" -lt 0 -o "$LV_C" -gt 100 ]
then
echo "Warning and critical level values must be between 0 and 100."
exit 666
fi

#Get the figures
MEM_TOTAL=`grep "^MemTotal" /proc/meminfo|awk '{print $2}'`
TMP_MEM_FREE=`grep "^MemFree" /proc/meminfo|awk '{print $2}'`
TMP_MEM_USED=`expr $MEM_TOTAL - $TMP_MEM_FREE`
BUFFERS=`grep "^Buffers" /proc/meminfo|awk '{print $2}'`
CACHED=`grep "^Cached" /proc/meminfo|awk '{print $2}'`

P_MEM_FREE=`echo "scale=2; $TMP_MEM_FREE / $MEM_TOTAL * 100" | bc -l | sed 's/.[0-9][0-9]//'`
P_MEM_USED=`echo "scale=0; 100 - $P_MEM_FREE" | bc -l`

if [ ! -z "$LV_W" -a ! -z "$LV_C" ]
then
if [ ${P_MEM_USED} -ge ${LV_W} -a ${P_MEM_USED} -lt ${LV_C} ]
then
echo "WARNING - Used: $P_MEM_USED%, Free: $P_MEM_FREE% | 'mem_used'=$P_MEM_USED;$LV_W;$LV_C 'mem_free'=$P_MEM_FREE"
exit $ST_WR
elif [ ${P_MEM_USED} -ge ${LV_C} ]
then
echo "CRITICAL - Used: $P_MEM_USED%, Free: $P_MEM_FREE% | 'mem_used'=$P_MEM_USED;$LV_W;$LV_C 'mem_free'=$P_MEM_FREE"
exit $ST_CR
else
echo "OK - Used: $P_MEM_USED%, Free: $P_MEM_FREE% | 'mem_used'=$P_MEM_USED;$LV_W;$LV_C 'mem_free'=$P_MEM_FREE"
exit $ST_OK
fi
else
echo "OK - Used: $P_MEM_USED%, Free: $P_MEM_FREE% | 'mem_used'=$P_MEM_USED 'mem_free'=$P_MEM_FREE"
exit $ST_OK
fi

</pre>

Template di un plugin Nagios in Bash - Revision history

Gabriele.vivinetto: Created page with "Questo template supporta getopt:
#!/bin/bash # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public ..."