haproxy+keepalived的集成
来源:互联网 发布:广数g92车英制螺纹编程 编辑:程序博客网 时间:2024/06/06 11:59
为了避免haproxy做负载时的单点,提高应用的高可用性,都会与keepalived集成使用。
keepalived的安装可参考:http://blog.csdn.net/wngua/article/details/54378448
haproxy的安装可参考:http://blog.csdn.net/wngua/article/details/54617840
haproxy与keepalived的集成与lvs+keepalived的集成类似,主要是keepalived.conf的配置文件修改。
配置内容如下:
global_defs {
router_id LVS_2
}
vrrp_instance VI_2 {
state MASTER
interface eth0
virtual_router_id 100
priority 160
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.20.13.101
}
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 99
priority 160
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.20.13.99
}
}
在配置中不用像lvs那样需要加入real server和端口,haproxy中已配置了监听的端口和后端服务。
说明:在网上看了有双主的配置,一直认为是两台服务器配置同一个iP做主应用,看后才知道是使用2个vip,分别在不通的主机作master,在另一个做backup,类似上面配置两个vrrp_instance,同一个VIP互为主备。在前端通过dns将同一个域名解析到两个vip
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