Nagios監控mfs運行狀態插件腳本

      公司架設MFS分佈式存儲文件系統有一段的時間了，和鄭輝（QQ名稱靈犀）也是一起研究和測試MFS，仔細研究各個參數、測試不同情況的災備、測試mfs遇到故障的恢復方法，更是在中間得出一些結論並反覆驗證，耗時兩個月MFS終於上線。目前文件體系存儲了150多W的數據，上線兩個多月運行比較穩定。

     但是之前決定的後期編寫報警腳本的問題也是因爲其他問題一拖再拖，到這時才草草寫了一個腳本實現基本功能，分享出來，希望大家一起進步！

 

#!/bin/bash
# ===========================================================================================================
#
# MFS status check plugins for nagios
#
# Written by    : liu yunfeng
# Release       : 1.0
# Create Date   : 2010-05-18
# Description   : Nagios plugins (script) to check MFS status
#
# ===========================================================================================================

# Nagios return codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3

#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 $4}'`

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()
{
        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 : check_mfs.sh -M mfsmasterpath"
 echo "    ex : check_mfs.sh -M /usr/local/mfs"
 echo " Usage2 : check_mfs.sh -C mfschunkpath"
 echo "    ex : check_mfs.sh -C /usr/local/mfs"
 echo " Usage3 : check_mfs.sh -U mountpoint warningrate criticalrate"
 echo "    ex : check_mfs.sh -U /mnt/mfs 60 80"
 echo " Usage4 : check_mfs.sh -L mfsmetaloggerpath"
 echo "    ex : check_mfs.sh -L /usr/local/mfs"
        echo "     ex : check_mfs.sh -h"
        echo ""
        exit 0
}

 

# Parse parameter
while [ $# -gt 0 ]
do
        case "$1" in
                -h | --help)
                        print_usage
                        exit $STATE_OK
                        ;;
  -M | --master)
   mfspath=${2:-"/usr/local/mfs"}
   Master
    ;;
  -C | --chunker)
   mfspath=${2:-"/usr/local/mfs"}
   Chunker
   ;;
  -U | --usedwarning)
   mountpoint=${2:-"/mnt/mfs"}
   warningdiskused=${3:-"75"}
   criticaldiskused=${4:-"85"}
   Disk_used
                        ;;
  -L | --metalogger)
   mfspath=${2:-"/usr/local/mfs"}
                        Metalogger
   ;;
                *)      echo "Unknown argement: $1"
                        exit $STATE_UNKNOWN
                        ;;
        esac
shift
done