A Zabbix proxy can collect performance and availability data on behalf of the Zabbix server. This way, a proxy can take on itself some of the load of collecting data and offload the Zabbix server.
Also, using a proxy is the easiest way of implementing centralized and distributed monitoring, when all agents and proxies report to one Zabbix server and all data is collected centrally.
A Zabbix proxy can be used to:
Monitor remote locations
Monitor locations having unreliable communications
Offload the Zabbix server when monitoring thousands of devices 监控上万台服务器就靠他
Simplify the maintenance of distributed monitoring
#安装zabbix proxy
rpm -ivh http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-1.el7.centos.noarch.rpm
yum -y install zabbix-proxy zabbix-proxy-mysql#安装数据库5.6
wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
rpm -ivh mysql-community-release-el7-5.noarch.rpm
yum install mysql-community-server
systemctl restart mysqld.service
#设置msyql密码为 123456
mysql> set password for 'root'@'localhost' =password('123456');
#远程连接设置,所有以root账号连接的远程用户,设其密码为 123456
mysql> grant all on xxxx.* to 'root'@'%' identified by '123456' with grant option;
#更新权限
mysql>flush privileges;
#数据库开机启动
systemctl enable mysqld.service###创建MySQL zabbix_proxy数据库和用户
mysql –u root –p
mysql> create database zabbix_proxy character set utf8;
mysql> grant all privileges on zabbix_proxy.* to 'zabbix'@'127.0.0.1' identified by 'zabbix';
mysql> flush privileges;#数据库导入zabbix schema.sql.gz
zcat /usr/share/doc/zabbix-proxy-mysql-3.4.*/schema.sql.gz | mysql -uzabbix -p zabbix_proxy
#登陆数据库
mysql -uroot -p
#查看数据库,多了一个zabbix_proxy数据库
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| zabbix_proxy |
+--------------------+
4 rows in set (0.01 sec)#zabbix proxy配置文件
grep '^[a-Z]' /etc/zabbix/zabbix_proxy.conf
Server=zabbix server端服务器ip地址
Hostname=Zabbix proxy final
LogFile=/var/log/zabbix/zabbix_proxy.log
LogFileSize=0
PidFile=/var/run/zabbix/zabbix_proxy.pid
SocketDir=/var/run/zabbix
DBHost=127.0.0.1
DBName=zabbix_proxy
DBUser=zabbix
DBPassword=zabbix
SNMPTrapperFile=/var/log/snmptrap/snmptrap.log
Timeout=4
ExternalScripts=/usr/lib/zabbix/externalscripts
LogSlowQueries=3000#zabbix agent客户端
grep '^[a-Z]' /etc/zabbix/zabbix_agentd.conf
PidFile=/var/run/zabbix/zabbix_agentd.pid
LogFile=/var/log/zabbix/zabbix_agentd.log
LogFileSize=0
Server=zabbix proxy ip地址
ServerActive=zabbix proxy ip地址
Hostname=nginx02
Include=/etc/zabbix/zabbix_agentd.d/*.conf
#server 日志
#server 日志
105825:20170920:155704.097 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105826:20170920:155705.108 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105826:20170920:155706.119 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105825:20170920:155707.128 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105826:20170920:155708.139 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105825:20170920:155709.149 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105826:20170920:155710.160 cannot parse proxy data from active proxy at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
105825:20170920:164017.897 sending configuration data to proxy "Zabbix proxy final" at "xx.xx.xx.xx", datalen 8172
105800:20170920:165042.107 executing housekeeper
105800:20170920:165052.563 housekeeper [deleted 37754 hist/trends, 0 items, 0 events, 0 problems, 0 sessions, 0 alarms, 0 audit items in 10.439203 sec, idle for 1 hour(s)]
#按照我的推断是,server端没有及时发送配置数据给proxy,应该是同步配置问题。这个过程中,我差不多度娘了一个小时,突然发现自己可以监控数据了。
后面我都试验了几次,时间长就可以正常同步了。只要server端发送数据给proxy #proxy日志
#zabbix_proxy日志
t [nginx02] not found
17523:20170920:163748.893 cannot send list of active checks to "127.0.0.1": host [nginx02] not found
17523:20170920:163948.912 cannot send list of active checks to "127.0.0.1": host [nginx02] not found
17504:20170920:164140.772 received configuration data from server at "xx.xx.xx.xx", datalen 8172
17516:20170920:164150.825 enabling Zabbix agent checks on host "nginx02": host became available #检查proxy是否为一个进程
刚配置提示的错误
17506:20170920:154253.213 cannot send proxy data to server at "xx.xx.xx.xx": proxy "Zabbix proxy final" not found
17506:20170920:154254.228 cannot send proxy data to server at "xx.xx.xxx.xx": proxy "Zabbix proxy final" not found