File check_page_reclaims.sh of Package monitoring-plugins-page-reclames

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File check_page_reclaims.sh of Package monitoring-plugins-page-reclames (Revision ecfc64612f51905afc63766ab2e793a9)

Currently displaying revision ecfc64612f51905afc63766ab2e793a9 , Show latest

#!/bin/bash

# -----------------------------------------------------------------
# Copyright (c) 2013-2024 Andreas Kwast <a.kwast@web.de>
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.

################################################################################

VERSION=0.6
PROGNAME=$(basename $0)

DEBUG=0

TRUE=0
FALSE=1

EFFICIENCY_PERCENT_WARNING=60
EFFICIENCY_PERCENT_CRITICAL=30
SALOGPATH="/var/log/sa"

NAGIOS_OK=0
NAGIOS_WARNING=1
NAGIOS_CRITICAL=2
NAGIOS_UNKNOWN=3

print_release() {
    echo "$PROGNAME $VERSION"
}
print_usage() {
    echo ""
    echo "$PROGNAME $VERSION - show system performance using sysstat"
    echo ""
    echo "Usage: $PROGNAME -w EFFICIENCY_PERCENT_WARNING -c EFFICIENCY_PERCENT_CRITICAL"
    echo "example: $PROGNAME -w $EFFICIENCY_PERCENT_WARNING -c $EFFICIENCY_PERCENT_CRITICAL"
    echo "give a warning if the efficiency is less-than ${EFFICIENCY_PERCENT_WARNING}% and"
    echo "a critical if the efficiency is less-than ${EFFICIENCY_PERCENT_CRITICAL}%"
    echo ""
    echo "Usage: $PROGNAME -d for debug mode"
    echo ""
    echo "Usage: $PROGNAME -h display help"
    echo ""
    echo "Usage: $PROGNAME -v display version"
}

while getopts 'c:w:p:hvd' OPT; do
  case $OPT in
    w)  EFFICIENCY_PERCENT_WARNING=$OPTARG;;
    c)  EFFICIENCY_PERCENT_CRITICAL=$OPTARG;;
    p)  SALOGPATH=$OPTARG;;
    d)  DEBUG=1;;
    h)  print_usage
	 exit 3
	 ;;
    v)  print_release
        exit 3
       ;;
  esac
done

if [ ! -r /usr/bin/sar ]
then
	echo "You must install and run sysstat to use this check!"
	exit $NAGIOS_UNKNOWN	
fi

if [ ! -r ${SALOGPATH}/sa`date +"%Y%m%d"` ]
then
	if [ ! -r ${SALOGPATH}/sa`date +"%d"` ]
	then
   		echo "Error, sa file in /var/log/sa/ not found !"
		exit $NAGIOS_OK
	fi
fi

if [ ${#state[*]} -lt 100 ]
then
	if [ -r ${SALOGPATH}/sa`date +"%Y%m%d"` ]
	then
		file="${SALOGPATH}/sa`date -d "yesterday" +"%Y%m%d"`"
	else
		file="${SALOGPATH}/sa`date -d "yesterday" +"%d"`"
	fi
	if [ -f $file ]
	then
		restsum=${#state[*]}
		tailnum=$((100-${#state[*]}))
		tailnum=$(($tailnum/10))
		if [ $DEBUG = 1 ];then echo "I get $tailnum lines from yesterday"; fi
		stalealt=(`sar -B -f $file| fgrep -v "Average:"|fgrep -v "pgpgin/s"|fgrep -v "Linux"|/usr/bin/sed 's/ 0.00/ 100.00/g'|tail -$tailnum`)
		stateall=(${stalealt[@]}${state[@]})
		state=(${stalealt[@]} ${state[@]})
	else
		if [ $DEBUG = 1 ];then echo "$file not found"; fi
	fi
fi

lastnum=${#state[*]}
if [ $DEBUG = 1 ];then echo "Last value is $lastnum"; fi
tailnum=$((($lastnum)/10))
lastnum=$(($lastnum-1))
prefflast=${state[${lastnum}]}
if [ $DEBUG = 1 ];then echo "Found $tailnum lines"; fi

i=1
preff=0
while [ $i -le $tailnum ]
do
  aktpreff=${state[${lastnum}]}
  if [ $DEBUG = 1 ];then echo "aktpreff ist $aktpreff"; fi
  #aktpreff=`echo $aktpreff | sed -e 's/\./,/g'`
 #echo "aktpreff ist $aktpreff"
  preff=`echo "$preff+$aktpreff"|bc`
  if [ $DEBUG = 1 ];then echo "preff is $preff"; fi
  if [ $DEBUG = 1 ];then echo "Nummer is $lastnum"; fi
  if [ $DEBUG = 1 ];then echo "Value is ${state[${lastnum}]}"; fi
  if [ $DEBUG = 1 ];then echo "preff is $preff"; fi
  let i=$i+1
  if [ $DEBUG = 1 ];then echo "lastnum is ${state[${lastnum}-10]}"; fi
  if [[  ${state[${lastnum}-10]} =~ ^[0-9][0-9]\:[0-9][0-9]\:[0-9][0-9] ]]
  then
 	lastnum=$(($lastnum-11))
  else
	lastnum=$(($lastnum-10))
  fi
done

preff=`echo "scale=2;$preff/$tailnum"|bc`
if [ $DEBUG = 1 ];then echo "preff ist $preff"; fi
#preffr=`echo $preff | sed -e 's/\./,/g'`
preffr=`printf "%.0f\n" $preff`
if [ $DEBUG = 1 ];then echo "preffr ist $preffr"; fi
prefflast=`echo $prefflast | sed -e 's/,/./g'`

if [ "${preffr}" -lt "${EFFICIENCY_PERCENT_CRITICAL}" ]
then
   echo "CRITICAL: Page Steal Efficiency ${preff}|Efficiency=${preff}%;${EFFICIENCY_PERCENT_WARNING};${EFFICIENCY_PERCENT_CRITICAL} Current=${prefflast}%"
   exit $NAGIOS_CRITICAL
elif [ "${preffr}" -lt "${EFFICIENCY_PERCENT_WARNING}" ]
then
   echo "WARNING: Page Steal Efficiency ${preff}|Efficiency=${preff}%;${EFFICIENCY_PERCENT_WARNING};${EFFICIENCY_PERCENT_CRITICAL} Current=${prefflast}%"
   exit $NAGIOS_WARNING
else
	echo "OK: Page Steal Efficiency: ${preff}|Efficiency=${preff}%;${EFFICIENCY_PERCENT_WARNING};${EFFICIENCY_PERCENT_CRITICAL} Current=${prefflast}%"
	exit $NAGIOS_OK
fi

# -----------------------------------------
# End off script check_page_reclaims.sh 
# -----------------------------------------

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File check_page_reclaims.sh of Package monitoring-plugins-page-reclames (Revision ecfc64612f51905afc63766ab2e793a9)

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