一、分布式架构
相信使用zabbix的大神都熟悉他的分布式架构，分布式的优势相当明显，分而治之。比如目前我的架构图如下：
那么，对将要接入监控系统的任何一个agent如何快速定位，并进行接入呢？
问题分析：
1、目标IP定位
2、目标IP定位后，可能有些是纯内网环境（比如DB机器）
3、proxy管辖范围
4、被管辖目标和管辖者范围确定后，具体用什么方法实现？
解决办法：
1、目标IP基本上是可控的，因为我们自己有哪些IP网段，在CMDB里面一查便知；
2、对于纯内网环境，由于机器无法直接出外网，而只能通过内网IP进行通信，我们可以使用Nginx的反向代理来解决。（重要）
3、proxy的管辖范围也是可控的，因为我们自己清楚自己有哪些proxy，proxy到哪些区域速度更快；
4、目标IP和所要接入的proxy都已经可控，最后就是实现手段：shell脚本。
实现图如下：
前提：proxy必须和安装机能够通过外网通讯。
已经知道解决问题的办法，那么实现起来的话就不是那么难了。方法千千万万种，就看你喜欢哪一种了。
我这里用最简单的，shell脚本方法。
二、Agent定位
1、通过本机解析方式
#!/bin/bash
ipaddr_shhb=`ip a| grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"|grep -E "42.82.92\.|125.63.12\."|wc -l`
ipaddr_shhb_proxy='42.82.92.22'
ipaddr_gzqxg=`ip a| grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"|grep -E "120.2.9\.|121.13.1\."|wc -l`
ipaddr_gzqxg_proxy='121.114.30.25'
ipaddr_hk=`ip a| grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"|grep -E "124.12.39\.|11.23.21\."|wc -l`
ipaddr_hk_proxy='124.12.39.33'
function install_agent() {
wget http://安装机:端口/zabbix/zabbix-2.2.4-agent.sh
/bin/bash zabbix-2.2.4-agent.sh uninstall $1
/bin/bash zabbix-2.2.4-agent.sh install_proxy_agent $1
rm -rf zabbix-2.2.4-agent.sh
}
if [ ${ipaddr_shhb} -ge 1 ];then
install_agent ${ipaddr_shhb_proxy}
elif [ ${ipaddr_gzqxg} -ge 1 ];then
install_agent ${ipaddr_gzqxg_proxy}
else
install_agent ${ipaddr_hk_proxy}
fi
2、通过外部解析方式
由于有些云主机通过上面的方式可能不行，因为内网可能重复（不同VPS内网IP可相同）。
#!/bin/bash
pubip=`curl -s http://ipinfo.io|grep ip|awk -F[\"] '{print $4}'`
ipaddr_shhb=`echo $pubip|grep -E "42.82.92\.|125.63.12\."|wc -l`
ipaddr_shhb_proxy='42.82.92.22'
ipaddr_gzqxg=`echo $pubip|grep -E "120.2.9\.|121.13.1\."|wc -l`
ipaddr_gzqxg_proxy='121.114.30.25'
ipaddr_hk=`echo $pubip|grep -E "124.12.39\.|11.23.21\."|wc -l`
ipaddr_hk_proxy='124.12.39.33'
function install_agent() {
wget http://安装机:端口/zabbix/zabbix-2.2.4-agent.sh
/bin/bash zabbix-2.2.4-agent.sh uninstall $1
/bin/bash zabbix-2.2.4-agent.sh install_proxy_agent $1
rm -rf zabbix-2.2.4-agent.sh
}
if [ ${ipaddr_shhb} -ge 1 ];then
install_agent ${ipaddr_shhb_proxy}
elif [ ${ipaddr_gzqxg} -ge 1 ];then
install_agent ${ipaddr_gzqxg_proxy}
else
install_agent ${ipaddr_hk_proxy}
fi
通过以上2种方式，就可以定位AgentIP和PorxyIP的对应关系，同时，将proxyIP作为参数传入脚本，这样，在安装的时候proxyIP地址就可以动态选定了。
三、实现接入
正式安装时，将proxy的ip作为安装脚本的传入参数即可。其他可以定制化你所需要安装的一切！
#!/bin/bash
#author qunxue
#version 0.1
#update logs:
#1.add install/uninstall function at 2015/3/27
#2.change zabbix_agent_ip get method(CentOS7's ifconfig cmd is not worked! at 2015/3/30
#3.add install for CentOS7 Version at 2015/3/30
#4.add web、DB for base at 2015/09/08
#5.add zabbix_agent_ip check as pubilic
#6.add login ssh monitor
#7.modify zabbix_agent_ip get method
#8.add gpu monitor
###set variables
zabbix_agent_hostname=$(hostname)
zabbix_server_port='10051'
zabbix_server_ip='zabbixseverip'
zabbix_proxy_server_ip=$2
zabbix_agent_ip=$(/sbin/ip addr|grep -w "inet"|grep -v 127.0.0.1|awk -F/ '{print $1}'|awk '{print $2}'|head -n 1)
#############Check selinux status#############
function check_selinux() {
if [[ $(getenforce|grep -w "Enforcing"|wc -l) = 1 ]];then
echo -e "\033[1;31mYour system's Selinux is enforced!Now must be disabled....\033[0m"
setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
echo -e "\033[1;32mSelinux is disabled Now!\033[0m"
else
echo -e "\033[1;32mSelinux had been disabled,there is no need to be modified!\033[0m"
fi
}
#############Check OS version and change dash for Ubuntu##################
function modify_dash() {
if [[ $(uname -a|grep -E "el6|el5|el7|debian"|wc -l) = 1 ]];then
echo "OK.bash is default!"
else
echo "Ubuntu system must modify dash!"
ln -s /bin/bash /bin/sh 2>/dev/null
echo "link created success!"
fi
}
#############Check if running script's user is root######################
function install_zabbix_proxy_agent() {
if [ $(id -u) != "0" ]; then
echo -e "\033[1;31m Error: You must be root to run this script!\033[0m"
exit 1
fi
system_version=$(uname -m)
if [[ $(grep -i -E -c -w "Red|CentOS" /etc/issue) = 1 ]] && [[ $(grep -i -c "release 6" /etc/issue) = 1 ]];then
if [ $system_version == 'x86_64' ];then
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-2.2.4-1.el6.x86_64.rpm
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-agent-2.2.4-1.el6.x86_64.rpm
rm -rf zabbix-2.2.4-1.el6.x86_64.rpm
rm -rf zabbix-agent-2.2.4-1.el6.x86_64.rpm
chkconfig zabbix-agent on
else
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-2.2.4-1.el6.i386.rpm
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-agent-2.2.4-1.el6.i386.rpm
rm -rf zabbix-2.2.4-1.el6.i386.rpm
rm -rf zabbix-agent-2.2.4-1.el6.i386.rpm
chkconfig zabbix-agent on
fi
elif [[ $(grep -i -E -c -w "Red|CentOS" /etc/issue) = 1 ]] && [[ $(grep -i -c "release 5" /etc/issue) = 1 ]];then
if [ $system_version == 'x86_64' ];then
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-2.2.4-1.el5.x86_64.rpm
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-agent-2.2.4-1.el5.x86_64.rpm
rm -rf zabbix-2.2.4-1.el5.x86_64.rpm
rm -rf zabbix-agent-2.2.4-1.el5.x86_64.rpm
chkconfig zabbix-agent on
else
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-2.2.4-1.el5.i386.rpm
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-agent-2.2.4-1.el5.i386.rpm
rm -rf zabbix-2.2.4-1.el5.i386.rpm
rm -rf zabbix-agent-2.2.4-1.el5.i386.rpm
chkconfig zabbix-agent on
fi
elif [[ $(grep -i -E -c -w "Red|CentOS" /etc/redhat-release) = 1 ]] && [[ $(grep -i -c "release 7" /etc/redhat-release) = 1 ]];then
if [ $system_version == 'x86_64' ];then
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-2.2.7-2.el7.x86_64.rpm
rpm -ivh http://PorxyIP:8888/base/rpm/zabbix-agent-2.2.7-2.el7.x86_64.rpm
rm -rf zabbix-2.2.7-2.el7.x86_64.rpm
rm -rf zabbix-agent-2.2.7-2.el7.x86_64.rpm
chkconfig zabbix-agent on
fi
elif [[ $(grep -i -c "ubuntu" /etc/issue) = 1 ]];then
if [ $(grep -i -c "ubuntu 12" /etc/issue) == 1 ];then
wget http://PorxyIP:8888/base/rpm/zabbix-release_2.2-1+precise_all.deb
dpkg -i zabbix-release_2.2-1+precise_all.deb
#apt-get update
apt-get install zabbix-agent
rm -rf zabbix-release_2.2-1+precise_all.deb
else
wget http://PorxyIP:8888/base/rpm/zabbix-release_2.2-1+trusty_all.deb
dpkg -i zabbix-release_2.2-1+trusty_all.deb
#apt-get update
apt-get install zabbix-agent
rm -rf zabbix-release_2.2-1+trusty_all.deb
fi
else
if [ $(grep -i -c "Debian GNU/Linux 6" /etc/issue) == 1 ];then
wget http://PorxyIP:8888/base/rpm/zabbix-release_2.2-1+squeeze_all.deb
dpkg -i zabbix-release_2.2-1+squeeze_all.deb
#apt-get update
apt-get install zabbix-agent
rm -rf zabbix-release_2.2-1+squeeze_all.deb
else
wget http://PorxyIP:8888/base/rpm/zabbix-release_2.2-1+wheezy_all.deb
dpkg -i zabbix-release_2.2-1+wheezy_all.deb
#apt-get update
apt-get install zabbix-agent
rm -rf zabbix-release_2.2-1+wheezy_all.deb
fi
fi
################mondiy zabbix agent conf###################
sed -i 's/LogFileSize=0/LogFileSize=1/g' /etc/zabbix/zabbix_agentd.conf
sed -i 's/Server=127.0.0.1/Server='${zabbix_server_ip}'/g' /etc/zabbix/zabbix_agentd.conf
sed -i 's/ServerActive=127.0.0.1/ServerActive='${zabbix_server_ip}:10051'/g' /etc/zabbix/zabbix_agentd.conf
sed -i '/\# Timeout=3/a Timeout=30' /etc/zabbix/zabbix_agentd.conf
sed -i '/\# UnsafeUserParameters=0/a UnsafeUserParameters=1' /etc/zabbix/zabbix_agentd.conf
sed -i 's#Hostname=Zabbix server#Hostname='$zabbix_agent_hostname'#' /etc/zabbix/zabbix_agentd.conf
sed -i 's@# SourceIP=@SourceIP='$zabbix_agent_ip'@' /etc/zabbix/zabbix_agentd.conf
###############set discovery disk io########################
cat >>/etc/zabbix/zabbix_agentd.conf</etc/zabbix/externalscripts/disk.sh </dev/null\`)
length2=\${#diskarray[@]}
printf "{\n"
printf '\t'"\"data\":["
for ((i=0;i<\$length2;i++))
do
printf '\n\t\t{'
printf "\"{#DISK}\":\"\${diskarray[\$i]}\"}"
if [ \$i -lt \$[\$length2-1] ];then
printf ','
fi
done
printf "\n\t]\n"
printf "}\n"
EOF
#########Disk monitor############
chown -R zabbix:zabbix /etc/zabbix/externalscripts/disk.sh
chmod 755 /etc/zabbix/externalscripts/disk.sh
########################add iptables for zabbix server/proxy###############
iptable_num=`iptables-save |grep ${zabbix_server_ip}|wc -l`
if [ ${iptable_num} -ge 1 ];then
echo -e "\033[1;31miptables had been added!\033[0m"
else
iptables -I INPUT 3 -s ${zabbix_server_ip}/32 -j ACCEPT
iptables-save >/etc/sysconfig/iptables
fi
echo -e "\033[1;31mCongratulations on you successful installation!\033[0m"
service zabbix-agent restart
}
function uninstall_zabbix_agent() {
################uninstall zabbix##############
if [ $(id -u) != "0" ]; then
echo -e "\033[1;31m Error: You must be root to run this script!\033[0m"
exit 1
fi
system_version=$(uname -m)
if [[ $(grep -i -E -c "CentOS|Oracle|Red" /etc/redhat-release) = 1 ]];then
rpm -e zabbix-agent
rpm -e zabbix
else [[ $(grep -E -c "Ubuntu|Debian" /etc/issue) = 1 ]]
dpkg -P zabbix-agent
fi
iptables -D INPUT -s ${zabbix_server_ip}/32 -j ACCEPT
iptables -D INPUT -s ${zabbix_proxy_server_ip}/32 -j ACCEPT
}
case $1 in
install_proxy_agent)
check_selinux
modify_dash
install_zabbix_proxy_agent
;;
uninstall)
uninstall_zabbix_agent
;;
*)
echo " "
echo "Usage:$0(install_agent|install_proxy_agent|uninstall)"
echo "NAME"
echo " used to install zabbix agent"
echo "DESCRIPTION"
echo " install_agent:install zabbix agent"
echo " install_proxy_agent:install zabbix proxy agent"
echo " uninstall:unintall agent"
;;
esac
以上脚本中需要修改的变量和注意事项：
1、zabbix_server_ip='zabbixseverip' #更换成你自己的ServerIP
2、PorxyIP #更换成你自己的安装代理机IP（纯内网环境需要通过反向代理到安装机器下载脚本安装）
3、我上面是通过安装机上下载Agent安装需要的所有包的方式来安装的，你可以通过自己做yum仓库的方式。
四、更快、批量执行
以上是通过脚本，在服务器初始化的时候进行agent安装。
安装方式：
wget -qO- http://安装机:端口/zabbix/agent-install-2.2.4.sh |/bin/bash
当然，你也可以更快、批量执行。怎么实现？
推荐几种方法：
Ansible
saltstack
都支持高并发，甚至是异步方式。
骚年们，赶紧搞起来。