分享一个监控MFS的nagios插件

   最近线上刚好有监控MFS服务器的需求，本来准备自己完全写一个n%ignore_a_1%ios插件出来的，但是又懒不想写就搜了一下，还真有网友分享出来了。他的连接地址是：http://blog.csdn.net/liuyunfengheda/article/details/5606830

   我把脚本拿下来测试了一下，貌似有些小错误，不知道是不是系统不一样的原因。

   我的测试环境是centos 6.5 86_64。

   以下是我在centos 6.5 86_64环境下做了修改的脚本，分享给大家。

#!/bin/bash
#by cuiyuanrong
#QQ:295749093
# Nagios return codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
# Set MFS Path And Warning/CRITICAL Value
MFS_Path="/usr/sbin"
MFS_Mount_Point="/mnt/mfs"
WARNING_Value=85
CRITICAL_Value=95
#Get Master server Process
Master(){
MFS_PID=`ps -ef | grep mfsmaster | grep ${mfspath} | awk '{print $2}'`
if [ "${MFS_PID}" = "" ];then
    echo "ERROR : mfs master does not start"
    exit $STATE_CRITICAL
else
    echo "OK : mfs master server running OK!"
     exit $STATE_OK
fi
}
#Get chunker server Process
Chunker(){
MFS_PID=`ps -ef | grep mfschunkserver | grep ${mfspath} | awk '{print $2}'`
if [ "${MFS_PID}" = "" ];then
    echo "ERROR : mfs chunkserver does not start"
    exit $STATE_CRITICAL
else
    echo "OK : mfs master chunkserver running OK!"
    exit $STATE_OK
fi
}
Disk_used(){
Disk_used=`df -h | grep ${mountpoint} | awk '{print $5}' | awk -F% '{print $1}'`
if [ ${Disk_used} -ge ${warningdiskused} -a ${Disk_used} -lt ${criticaldiskused} ];then
    echo "Waring :mfs disk used Rate is "${Disk_used}""
    exit $STATE_WARNING
elif [ ${Disk_used} -ge ${criticaldiskused} ];then
    echo "CRITICAL :mfs disk used Rate is "${Disk_used}""
    exit $STATE_CRITICAL
elif [ "${Disk_used}" = "" ];then
    echo "CRITICAL :mfs client not mount on"
    exit $STATE_CRITICAL
else
    echo "OK : MFS client mount on and disk used rate is ${Disk_used}% , Everything is OK!"
    exit $STATE_OK
fi
}
#Get metalogger server Process
Metalogger(){
MFS_PID=`ps -ef | grep mfsmetalogger | grep ${mfspath} | awk '{print $2}'`
if [ "${MFS_PID}" = "" ];then
    echo "ERROR : mfs mfsmetalogger does not start"
    exit $STATE_CRITICAL
else
    echo "OK : mfs master mfsmetalogger running OK!"
    exit $STATE_OK
fi
}
# Functions plugin usage
print_usage()
{
    Program_name=$(basename $0)
    echo ""
    echo " -M MFS master server status "
    echo " -C MFS chunker server status "
    echo " -U MFS client disk used Rate "
    echo " -L MFS metalogger server status "
    echo " -h Show this page "
    echo ""
    echo " Usage1 : ${Program_name} -M mfsmasterpath"
    echo "    ex : ${Program_name} -M ${MFS_Path}"
    echo " Usage2 : ${Program_name} -C mfschunkpath"
    echo "    ex : ${Program_name} -C ${MFS_Path}"
    echo " Usage3 : ${Program_name} -U mountpoint warningrate criticalrate"
    echo "    ex : ${Program_name} -U ${MFS_Mount_Point} 60 80"
    echo " Usage4 : ${Program_name} -L mfsmetaloggerpath"
    echo "    ex : ${Program_name} -L ${MFS_Path}"
    echo "     ex : ${Program_name} -h"
    echo ""
    exit 0
}
# Parse parameter
while [ $# -gt 0 ]
do
    case "$1" in
        -h | --help)
            print_usage
            exit $STATE_OK
            ;;
        -M | --master)
            mfspath=${2:-"${MFS_Path}"}
            Master
            ;;
        -C | --chunker)
            mfspath=${2:-"${MFS_Path}"}
            Chunker
            ;;
        -U | --usedwarning)
            mountpoint=${2:-"${MFS_Mount_Point}"}
            warningdiskused=${3:-"${WARNING_Value}"}
            criticaldiskused=${4:-"${CRITICAL_Value}"}
            Disk_used
                        ;;
        -L | --metalogger)
            mfspath=${2:-"${MFS_Path}"}
            Metalogger
            ;;
        *)     
            echo "Unknown argement: $1"
            exit $STATE_UNKNOWN
            ;;
    esac
shift
done