nagios 监控xenserver cpu资源

cat check_xen_cpu.sh #!/bin/sh function usage() {         msg="$0 : use to check xenserver cpu usage for nagios"         echo "****************************************************"         echo -e "\033[1;94m${msg}\033[0m"         echo -e "Usage:"         echo -e "       $0 [-w warning -c critical]"         echo -e "       $0 -w 80 -c 90 "         echo "****************************************************" } if [ $# -eq 0 ];then         warning=0.85         critical=0.95 elif [ "$1" = "-w" ];then         warning=`echo $2`         shift         shift         if [ "$1" != "-c" ];then                 usage                 exit 1         fi         critical=`echo $2`         shift         shift else	usage 	exit 1 fi STATE_OK=0 STATE_WARNING=1 STATE_CRITICAL=2 STATE_UNKNOWN=3 uuid_list=`xe host-cpu-list | grep uuid | awk '{print $5}'` i=1 for uuid in $uuid_list do	cpu_usage[$i]=`xe host-cpu-param-get param-name=utilisation uuid=$uuid`	let i=i+1 done cpu_total=`echo ${cpu_usage[@]} | awk '{for(i=0;i<NF;i++) total+=$i; print total}'` cpu_avg=`echo ${cpu_usage[@]} | awk '{for(i=0;i<NF;i++) total+=$i;print total/NF}'` cpu_num=${#cpu_usage[@]} performance="$cpu_num cpus;total:$cpu_total;avg:$cpu_avg | cpu_total=$cpu_total;$warning;$critical;0;$cpu_num;cpu_avg=$cpu_avg;;;0;100;" function cmp_data(){	if [ $1 \< $2 ];then	echo "OK $performance"	exit_code=$STATE_OK	elif [ $1 \> $3 ];then	echo "CRITICSL $performance"	exit_code=$STATE_CRITICAL	else	echo "WARNING $performance"	exit_code=$STATE_WARNING	fi } cmp_data $cpu_avg $warning $critical exit $exit_code