前面我们介绍了此方案的设备连接问题，那么接下来我们就是通过负载均衡器的使用来部署具体的方案了。那么现在主要讲的是其中的设备安装配置问题。希望通过本文的介绍能让大家对这个过程有一个清晰的思路。稍后我们还会对负载均衡器的测试进行一个详解。
多vrrp负载集群部署
参照"cdn缓存服务器集群部署"操作步骤，多vrrp_instance集群的部署也按真实服务器和负载均衡器2个环节来处理。
◆真实服务器上进行的操作
1、编写负载均衡客户端配置脚本。本例中有3组真实服务器，每组服务器使用相同的lvs客户端配置脚本。配置脚本除了vip而外，其余的部分与本章其他部分所列的lvs客户端配置脚本完全相同。关于3个组vip地址使用情况。
2、检验lvs客户端配置脚本的正确性。
◆负载均衡器上的操作
1、负载均衡器lvs_1
（1）安装ipvsadm.方法如前文所叙。
（2）安装keepalived.方法如前文所叙。
（3）新增配置文件/etc/keepalived/keepalived.conf。为了跟第二个lvs负载均衡器做比较，我在后面把2个配置文件放在一个表格里（表1），方便查看。
2、负载均衡器lvs_2
（1）安装ipvsadm。方法如前文所叙。
（2）安装keepalived。方法如前文所叙。
（3）新增配置文件/etc/keepalived/keepalived.conf。
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负载均衡器lvs_1
配置文件/etc/keepalived/keepalived.conf
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负载均衡器lvs_2
配置文件/etc/keepalived/keepalived.conf
|
|
#guration File for keepalived,writed by sery
#global define global_defs { router_id lvs_1 }
vrrp_sync_group VGM { group { VI_WEB } } vrrp_sync_group VGB { group { VI_CTCP } }
vrrp_instance VI_WEB{ state MASTER interface eth0 lvs_sync_daemon_inteface eth0 virtual_router_id 51 priority 180 advert_int 5 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 61.135.93.99 } } # setting port 80 forward virtual_server 61.135.93.99 80 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 10 protocol TCP
real_server 61.135.99.80 80 { weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.81 80 { weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.82 80 { weight 90 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.83 80 { weight 90 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } }
vrrp_instance VI_CTCP { state BACKUP interface eth0 lvs_sync_daemon_inteface eth0 virtual_router_id 52 priority 150 advert_int 5 authentication { auth_type PASS auth_pass 2222 } virtual_ipaddress { 61.135.93.100 } }
virtual_server 61.135.93.100 3000 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 50 protocol TCP
real_server 61.135.93.84 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.85 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.86 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.87 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } }
virtual_server 61.135.93.100 4000 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 50 protocol TCP
real_server 61.135.93.88 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.89 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.90 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.91 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } } |
#guration File for keepalived,writed by sery
#global define global_defs { router_id lvs_2 }
vrrp_sync_group VGM { group { VI_CTCP } } vrrp_sync_group VGB { group { VI_WEB } }
vrrp_instance VI_WEB{ state BACKUP interface eth0 lvs_sync_daemon_inteface eth0 virtual_router_id 51 priority 150 advert_int 5 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 61.135.93.99 } } # setting port 80 forward virtual_server 61.135.93.99 80 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 10 protocol TCP
real_server 61.135.99.80 80 { weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.81 80 { weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.82 80 { weight 90 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 61.135.93.83 80 { weight 90 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } }
vrrp_instance VI_CTCP { state MASTER interface eth0 lvs_sync_daemon_inteface eth0 virtual_router_id 52 priority 180 advert_int 5 authentication { auth_type PASS auth_pass 2222 } virtual_ipaddress { 61.135.93.100 } }
virtual_server 61.135.93.100 3000 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 50 protocol TCP
real_server 61.135.93.84 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.85 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.86 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } real_server 61.135.93.87 3000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 3000 } } }
virtual_server 61.135.93.100 4000 { delay_loop 6 lb_algo wlc lb_kind DR persistence_timeout 50 protocol TCP
real_server 61.135.93.88 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.89 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.90 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } real_server 61.135.93.91 4000{ weight 100 TCP_CHECK { connect_timeout 3 nb_get_retry 3 delay_before_retry 3 connect_port 4000 } } } |
表1 lvs负载均衡器配置文件keepalived.conf
转载请注明：IT运维空间 » 运维技术 » 多集群方案负载均衡器配置代码
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