zabbix 自动发现 shell
#!/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
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