第4章 Keepalived を用いたロードバランサーの初期設定

global_defs {

   notification_email {
       admin@example.com
   }
   notification_email_from noreply@example.com
   smtp_server 127.0.0.1
   smtp_connect_timeout 60
}

vrrp_sync_group VG1 {
   group {
      RH_EXT
      RH_INT
   }
}

vrrp_instance RH_EXT {
    state MASTER
    interface eth0
    virtual_router_id 50
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass passw123
    }
    virtual_ipaddress {
    10.0.0.1
    }
}

vrrp_instance RH_INT {
   state MASTER
   interface eth1
   virtual_router_id 2
   priority 100
   advert_int 1
   authentication {
       auth_type PASS
       auth_pass passw123
   }
   virtual_ipaddress {
       192.168.1.1
   }
}

vrrp_sync_group VG1 {
   group {
      RH_EXT
      RH_INT
   }
}

vrrp_instance RH_EXT {
    state BACKUP
    interface eth0
    virtual_router_id 50
    priority 99
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass passw123
    }
    virtual_ipaddress {
    10.0.0.1
    }
}

vrrp_instance RH_INT {
   state BACKUP
   interface eth1
   virtual_router_id 2
   priority 99
   advert_int 1
   authentication {
       auth_type PASS
       auth_pass passw123
   }
   virtual_ipaddress {
       192.168.1.1
   }
}

virtual_server 10.0.0.1 80 {
    delay_loop 6
    lb_algo rr
    lb_kind NAT
    protocol TCP

    real_server 192.168.1.20 80 {
        TCP_CHECK {
                connect_timeout 10
        }
    }
    real_server 192.168.1.21 80 {
        TCP_CHECK {
                connect_timeout 10
        }
    }
    real_server 192.168.1.22 80 {
        TCP_CHECK {
                connect_timeout 10
        }
    }
    real_server 192.168.1.23 80 {
        TCP_CHECK {
                connect_timeout 10
        }
    }

}