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8188935
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check_mem
check_mem
Fix memory used detection
Benjamin Renard
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8188935
at 2021-09-16 15:35:11
check_mem
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#!/bin/bash SWAP=1 function usage() { echo "Usage : $0 -w WARN_MEM,WARN_SWAP -c CRIT_MEM,CRIT_SWAP" echo "Seuil exprime en %" exit 1 } [ $# -lt 4 -o "$1" == "-h" ] && usage [ "$1" != "-w" -o "$3" != "-c" ] && usage DEBUG=0 [ "$5" == "-d" ] && DEBUG=1 WM=`echo $2|cut -d',' -f1` WS=`echo $2|cut -d',' -f2` CM=`echo $4|cut -d',' -f1` CS=`echo $4|cut -d',' -f2` [ "$WM" == "" -o "$WS" == "" -o "$CM" == "" -o "$CS" == "" ] && usage RET=0 MSG="" MT=`free -b|grep Mem|awk '{print $2}'` MU=`free -b|grep Mem|awk '{print $3}'` if [ "$MT" == "0" -o "$MT" == "" ] then echo "CRITICAL - Can't read memory informations" exit 2 fi let MR=MU*100/MT if [ $MR -gt $CM ] then RET=2 elif [ $MR -gt $WM ] then RET=1 fi MSG="Mem : $MR% used" [ $DEBUG -eq 1 ] && echo "Mem : $MU / $MT => $MR%" if [ $SWAP -eq 1 ] then ST=`free -b|grep Swap|awk '{print $2}'` SU=`free -b|grep Swap|awk '{print $3}'` if [ "$ST" == "0" -o "$ST" == "" ] then echo "CRITICAL - Can't read memory informations" exit 2 fi let SR=SU*100/ST if [ $SR -gt $CS ] then RET=2 elif [ $SR -gt $WS ] then [ $RET -eq 0 ] && RET=1 fi MSG="$MSG - Swap : $SR% used" [ $DEBUG -eq 1 ] && echo "Swap : $SU / $ST => $SR%" fi let MWV=MT*WM/100 let MCV=MT*CM/100 let SWV=ST*WS/100 let SCV=ST*CS/100 MSG="$MSG | mem=${MU}B;$MWV;$MCV;0;$MT swap=${SU}B;$SWV;$SCV;0;$ST" [ $RET -eq 2 ] && echo "CRITICAL - $MSG" && exit 2 [ $RET -eq 1 ] && echo "WARNING - $MSG" && exit 1 echo "OK - $MSG" exit 0