1.1 导入模板
成都创新互联公司-专业网站定制、快速模板网站建设、高性价比阜平网站开发、企业建站全套包干低至880元,成熟完善的模板库,直接使用。一站式阜平网站制作公司更省心,省钱,快速模板网站建设找我们，业务覆盖阜平地区。费用合理售后完善，10多年实体公司更值得信赖。
1.2 添加脚本,配置文件
#!/bin/bash
sh_file=/data/sh
agent_file=/usr/local/zabbix/etc/zabbix_agentd.conf.d/disk_io.conf
#zabbix_bin="/usr/local/zabbix"
#nohup soft install
rpm -qa coreutils >> /dev/null && [ $? = 0 ] || yum -y install coreutils
rpm -qa sysstat >> /dev/null && [ $? = 0 ] || yum -y install sysstat
zabbix_bin=`echo ${agent_file%/*}`
echo $zabbix_bin
if [ ! -e "${zabbix_bin}" ];then
exit 2
fi
#發現腳本
if [ ! -f "${sh_file}/disk_discovery.sh" ];then
cat >> ${sh_file}/disk_discovery.sh <<"EOF"
#!/bin/bash
diskarray=(`cat /proc/diskstats |grep -E "\bsd[a-z]\b|\bxvd[a-z]\b|\bvd[a-z]\b"|awk '{print $3}'|sort|uniq 2>/dev/null`)
length=${#diskarray[@]}
printf "{\n"
printf '\t'"\"data\":["
for ((i=0;i<$length;i++))
do
printf '\n\t\t{'
printf "\"{#DISK_NAME}\":\"${diskarray[$i]}\"}"
if [ $i -lt $[$length-1] ];then
printf ','
fi
done
printf "\n\t]\n"
printf "}\n"
EOF
fi
#磁盤狀態監控腳本
if [ ! -f "${sh_file}/disk_status.sh" ];then
cat >> ${sh_file}/disk_status.sh <<"EOF"
#/bin/sh
device=$1
item=$2
case $item in
rrqm)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b"|tail -1|awk '{print $2}' ;;
wrqm)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b"|tail -1|awk '{print $3}';;
rps)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b"|tail -1|awk '{print $4}' ;;
wps)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $5}';;
rKBps)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $6}' ;;
wKBps)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $7}' ;;
avgrq-sz)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $8}' ;;
avgqu-sz)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $9}' ;;
await)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $10}' ;;
svctm)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $11}' ;;
util)
/usr/bin/tail -n20 /tmp/iostat_output |grep "\b$device\b" |tail -1|awk '{print $12}' ;;
esac
EOF
fi
#添加配置文件
if [ ! -f " ${agent_file}" ];then
cat >> ${agent_file} <<"EOF"
UserParameter=disk.discovery,/bin/bash ${sh_file}/discovery.sh
UserParameter=disk.status[*],${sh_file}/disk_status.sh $1 $2
EOF
#添加清空iostat产生的日志文件
if [ ! -f ${sh_file}/clean_output.sh ];then
cat >> ${sh_file}/clean_output.sh <<"EOF"
#!/bin/bash
#清空/tmp/iostat_output文件,重启进程
Num=`ps aux | grep iostat | grep -v grep |awk '{print $2}' | wc -l`
file='/tmp/iostat_output'
echo $Num
if [ $Num -ne 1 ];then
pkill iostat
sleep 1
nohup /usr/bin/iostat -dxkt 1 > $file 2>/dev/null &
fi
Pid=`ps aux | grep iostat | grep -v grep |awk '{print $2}'`
if [ $Pid -gt 1 ];then
echo $Pid
else
nohup /usr/bin/iostat -dxkt 1 > $file 2>/dev/null &
fi
count=`cd /tmp/ && ls -lh|grep iostat_output|awk '{print $5}'`
if [[ $count > 100K ]];then
kill -9 $Pid
sleep 1
\mv $file /opt
rm -f /opt/iostat_output
nohup /usr/bin/iostat -dxkt 1 > $file 2>/dev/null &
fi
EOF
fi
[ -e /etc/init.d/zabbix-agentd ] && /etc/init.d/zabbix-agentd reload1.3 模板请查看附件
