首页 / 数据库 / MySQL / 使用SHELL开发的CPU空闲率插件

#！/bin/bash #=============================================== # Author:JC # Email :jiechao2013@gmail.com # ChangeLog :2013.5.4 # # Description : Check the CPU-Utilization rate #=============================================== STATE_OK=0 STATE_WARNING=1 STATE_CRITICAL=2 STATE_UNKNOWN=3 cpu_idle=`top -b -n 1 | grep Cpu | awk "{print $5}" | cut -f 1 -d "."`PROGNAME=$（basename $0） RELEASE="Revision 1.2.0"AUTHOR="（c） 2013 JC （jiechao2013@gmail.com）" print_release（） { echo "$RELEASE $AUTHOR"}print_usage（） { echo ""echo "$PROGNAME $RELEASE - CPU Utilization rate check script for Nagios"echo ""echo "Usage: check_cpurate.sh"echo ""echo "-vcheck the version"echo ""echo "Usage: $PROGNAME"echo ""exit 0 } print_help（） { print_usage echo ""echo "This plugin will check CPU Utilization rate"echo ""exit 0 } while [ $# -gt 0 ]; docase "$1" in-v | --version） print_release exit $STATE_OK shift ;; *） echo "Unknown argument: $1"print_usage exit $STATE_UNKNOWN ;; esac shift donecase `uname` inLinux）PERCENT=$（ bc<<<"scale=2;621/977"|tr "^." " "） cpu_idle=`top -b -n 1 | grep Cpu | awk "{print $5}" | cut -f 1 -d "."` if （（"$cpu_idle"< 95））;then echo "OK- Utilization rate $cpu_idle （free:$PERCENT%） Free CPU"exit $STATE_OK elseecho "CRITICAL- CPU Utilization rate $cpu_idle （$PERCENT%） Free CPU"exit $STATE_CRITICAL fi ;; *） echo "UNKNOWN: `uname` not yet supported by this plugin. Coming soon ！"exit $STATE_UNKNOWN ;; esac