zabbix 自动发现 shell

优先参考 zabbix自动发现与监控内存和CPU使用率最高的进程

http://7424593.blog.51cto.com/7414593/1908930

1. 监控网站url code

#!/bin/bash 
# function:monitor tcp connect status from zabbix 
# License: GPL 
# mail:[email protected] 
# version:1.0 date:2012-12-09 
source /etc/bashrc >/dev/null 2>&1 
source /etc/profile  >/dev/null 2>&1 
#/usr/bin/curl -o /dev/null -s -w %{http_code} http://$1/ 
WEB_SITE_discovery () { 
WEB_SITE=($(cat  /usr/local/zabbix/scripts/WEB.txt|grep -v "^#")) 
        printf '{\n' 
        printf '\t"data":[\n' 
for((i=0;i<${#WEB_SITE[@]};++i)) 
{ 
num=$(echo $((${#WEB_SITE[@]}-1))) 
        if [ "$i" != ${num} ]; 
                then 
        printf "\t\t{ \n" 
        printf "\t\t\t\"{#SITENAME}\":\"${WEB_SITE[$i]}\"},\n" 
                else 
                        printf  "\t\t{ \n" 
                        printf  "\t\t\t\"{#SITENAME}\":\"${WEB_SITE[$num]}\"}]}\n" 
        fi 
} 
} 
web_site_code () { 
/usr/bin/curl -o /dev/null -s -w %{http_code} http://$1 
} 
case "$1" in 
web_site_discovery) 
WEB_SITE_discovery 
;; 
web_site_code) 
web_site_code $2 
;; 
*) 
echo "Usage:$0 {web_site_discovery|web_site_code [URL]}" 
;; 
esac

2.nginx统一监控脚本  Active

#!/bin/bash
#
# Filename:    nginx_monitor.sh
# Revision:    1.0
# Date:        2014/09/24
# Author:      Qicheng
# Email:
# Website:     http://qicheng0211.blog.51cto.com
# Description: nginx统一监控脚本
# Notes:       
#
 
# 修改AGENT_CONF的值为本地zabbix agent的配置文件路径
AGENT_CONF="/usr/local/zabbix/etc/zabbix_agentd.conf"
# nginx站点的配置文件路径
NGINX_SITE_CONF="/usr/local/zabbix/scripts/nginx_site.conf"
# zabbix_sender的路径
ZBX_SENDER="/usr/local/bin/zabbix_sender"
 
FUNCTION=$1
HOST_NAME=$2
NGINX_SITE=$3
CURL="/usr/bin/curl"
TIMEOUT=30
 
# nginx site low-level discovery
function nginxSiteDiscovery()
{
    nginx_site=($(grep '^[^#]' ${NGINX_SITE_CONF}))
    max_index=$[${#nginx_site[@]}-1]
    printf '{\n'
    printf '\t"data":['
    for key in `seq -s' ' 0 $max_index`
    do
        printf '\n\t\t{'
        printf "\"{#NGINX_SITE}\":\"${nginx_site[${key}]}\"}"
        if [ $key -ne $max_index ];then
            printf ","
        fi
    done
    printf '\n\t]\n'
    printf '}\n'
}
 
# 获取nginx status，把数据发送到zabbix server
function getNginxStatus()
{
    nginx_status_url="${NGINX_SITE}/nginx_status"
    # 获取nginx_status后，保存到下面的文件里
    nginx_status_file="/tmp/nginx_status_$(echo ${NGINX_SITE} | sed 's#^http.*://##; s#/#_#g').log"
    :>"$nginx_status_file"
 
    # curl获取nginx_status
    ${CURL} -s --connect-timeout ${TIMEOUT} "$nginx_status_url" 2>&1 | tee "$nginx_status_file"
    line_num=$(cat "$nginx_status_file" | wc -l)
    # 判断是否正确获取nginx_status
    [ $line_num -ne 4 ] && { echo "ERROR: $nginx_status_file is not correct."; exit 1;}
 
    active=$(cat "$nginx_status_file" | grep 'Active' | awk '{print $NF}')
    reading=$(cat "$nginx_status_file" | grep 'Reading' | awk '{print $2}')
    writing=$(cat "$nginx_status_file" | grep 'Writing' | awk '{print $4}')
    waiting=$(cat "$nginx_status_file" | grep 'Waiting' | awk '{print $6}')
    accepts=$(cat "$nginx_status_file" | awk NR==3 | awk '{print $1}')
    handled=$(cat "$nginx_status_file" | awk NR==3 | awk '{print $2}')
    requests=$(cat "$nginx_status_file" | awk NR==3 | awk '{print $3}')
    echo "Sending the data to zabbix server..."
    # 将特定格式的数据发送到zabbix server，每行的格式为：  
    cat << EOF | ${ZBX_SENDER} -c ${AGENT_CONF} -i -
"${HOST_NAME}" "nginx_status[$NGINX_SITE,active]" "${active}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,reading]" "${reading}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,writing]" "${writing}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,waiting]" "${waiting}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,accepts]" "${accepts}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,handled]" "${handled}"
"${HOST_NAME}" "nginx_status[$NGINX_SITE,requests]" "${requests}"
EOF
}
 
[ $# -eq 0 ] && { echo "ERROR: The script needs at least one parameter."; exit 1;}
 
case $FUNCTION in
    nginxSiteDiscovery|getNginxStatus)
        $FUNCTION
        ;;
    *)
        echo "ERROR: Bad parameters."
        exit 1
        ;;
esac

3.分区

#!/bin/bash
#Fucation:zabbix low-level discovery
partition() {
            port=($(grep -E "(vd[a-z]$|sd[a-z]$)" /proc/partitions|awk '{print $4}'))
            printf '{\n'
            printf '\t"data":[\n'
               for key in ${!port[@]}
                   do
                       if [[ "${#port[@]}" -gt 1 && "${key}" -ne "$((${#port[@]}-1))" ]];then
                          printf '\t {\n'
                          printf "\t\t\t\"{#PARTITIONNAME}\":\"${port[${key}]}\"},\n"
                     else [[ "${key}" -eq "((${#port[@]}-1))" ]]
                          printf '\t {\n'
                          printf "\t\t\t\"{#PARTITIONNAME}\":\"${port[${key}]}\"}\n"
                       fi
               done
                          printf '\t ]\n'
                          printf '}\n'
}
$1

sh /usr/local/zabbix/bin/partition_low_discovery.sh partition

4.io 

[root@xx zabbix_agentd.conf.d]# cat vfsiojohn.conf 
UserParameter=vfsiojohn.discovery,/usr/bin/python /usr/local/zabbix/bin/disk_discovery.py
UserParameter=disk.status[*],/usr/local/zabbix/bin/disk_status.sh $1 $2
[root@xx zabbix_agentd.conf.d]# /usr/bin/python /usr/local/zabbix/bin/disk_discovery.py
{
    "data":[
        {
            "{#DISK_NAME}":"sda"
        }
    ]
}
[root@xx zabbix_agentd.conf.d]# cat /usr/local/zabbix/bin/disk_status.sh
#/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

5.zabbix 监控内存和cpu占用最多的进程

# cat discovery_process.sh 
#!/bin/bash
#system process discovery script
top -b -n 1 > /tmp/.top.txt && chown zabbix. /tmp/.top.txt
proc_array=(`tail -n +8 /tmp/.top.txt | awk '{a[$NF]+=$10}END{for(k in a)print a[k],k}'|sort -gr|head -10|cut -d" " -f2`)
length=${#proc_array[@]}
  
printf "{\n"
printf '\t'"\"data\":["
for ((i=0;i<$length;i++))
do
    printf "\n\t\t{"
    printf "\"{#PROCESS_NAME}\":\"${proc_array[$i]}\"}"
    if [ $i -lt $[$length-1] ];then
        printf ","
    fi
done
    printf "\n\t]\n"
printf "}\n"

or  

# cat discovery_process2.sh 
#!/bin/bash
#system process discovery script
top -b -n 1 > /tmp/.top.txt && chown zabbix. /tmp/.top.txt
proc_array=`tail -n +8 /tmp/.top.txt | awk '{a[$NF]+=$10}END{for(k in a)print a[k],k}'|sort -gr|head -10|cut -d" " -f2`
  
length=`echo "${proc_array}" | wc -l`
count=0
echo '{'
echo -e '\t"data":['
echo "$proc_array" | while read line
do
    echo -en '\t\t{"{#PROCESS_NAME}":"'$line'"}'
    count=$(( $count + 1 ))
    if [ $count -lt $length ];then
        echo ','
    fi
done
echo -e '\n\t]'
echo '}'

6.zabbix 监控io占用最多的进程

cat pidtest.sh
#!/bin/bash
#Fucation:mysql low-level discovery
#Script_name mysql_low_discovery.sh
pidtest() {
            port=($(cat /tmp/pidsta|awk '{print $2}'))
            printf '{\n'
            printf '\t"data":[\n'
               for key in ${!port[@]}
                   do
                       if [[ "${#port[@]}" -gt 1 && "${key}" -ne "$((${#port[@]}-1))" ]];then
                          printf '\t {\n'
                          printf "\t\t\t\"{#PIDSTA}\":\"${port[${key}]}\"},\n"
                     else [[ "${key}" -eq "((${#port[@]}-1))" ]]
                          printf '\t {\n'
                          printf "\t\t\t\"{#PIDSTA}\":\"${port[${key}]}\"}\n"
                       fi
               done
                          printf '\t ]\n'
                          printf '}\n'
}
$1