keeplived高可用配置

前提：关闭防火墙，关闭selinux

1、主备配置

主

vim keeplived-lb01.conf

global_defs {
   router_id LVS_01
}

vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 51
    priority 150
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
     10.0.0.3/24
    }
}

virtual_server 10.0.0.3 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}

备

vim keeplived-lb02.conf

global_defs {
   router_id LVS_02
}

vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
     10.0.0.3/24
    }
}
virtual_server 10.0.0.3 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}

2、互为主备配置

主

vim keeplived-lb01.conf

global_defs {
   router_id LVS_01
}

vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 51
    priority 150
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
     10.0.0.3/24
    }
}

vrrp_instance VI_2 {
    state BACKUP
    interface eth0
    virtual_router_id 52
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 2222
    }
    virtual_ipaddress {
     10.0.0.4/24
    }
}

virtual_server 10.0.0.3 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}

virtual_server 10.0.0.4 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}

备

vim keeplived-lb02.conf

global_defs {
   router_id LVS_02
}

vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
     10.0.0.3/24
    }
}

vrrp_instance VI_2 {
    state MASTER
    interface eth0
    virtual_router_id 52
    priority 150
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 2222
    }
    virtual_ipaddress {
     10.0.0.4/24
    }
}

virtual_server 10.0.0.3 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}

virtual_server 10.0.0.4 80 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP                

    real_server 10.0.0.7 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }

    real_server 10.0.0.8 80 {
        weight 1
        TCP_CHECK {
        connect_timeout 8
        nb_get_retry 3
        delay_before_retry 3
        connect_port 80
        }
    }
}