debian에서keepalived 구축

keepalived 설치(서버 2대 필요)

tar zxvf keepalived-2.0.20.tar.gz

apt install build-essential openssl libssl-dev -y

cd keepalived-2.0.20/

./configure

make && make install

메인 프로필을keepalived로 복사

find / -name keepalived.conf

mkdir /etc/keepalived 

cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf

기본 구성 파일 수정

주 서버

root@debian:~# cat /etc/keepalived/keepalived.conf 
! Configuration File for keepalived

global_defs {
   router_id haproxy_2	#     
}

vrrp_instance VI_1 {	#        
    state MASTER		#     MASTER  ，BACKUP  
    interface ens33		#VIP     
    virtual_router_id 130	#      ，              
    priority 160		  #     ，         ，            
    advert_int 1		 #              ，1 ；      
    authentication {	 #         ，      
        auth_type PASS
        auth_pass 2019
    }
    virtual_ipaddress {
        192.168.30.30/24 dev ens33	#    IP  ，      IP      
    }
}

virtual_server 192.168.30.30 80 {
    delay_loop 6
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP

    real_server 10.10.10.40 80 {
        weight 1
        SSL_GET {
            connect_timeout 3
            retry 3
            delay_before_retry 3
        }
    }

    real_server 10.10.10.10 80 {
        weight 1
        SSL_GET {
            connect_timeout 3
            retry 3
            delay_before_retry 3
        }
    }
}

대체 서버 설정

root@debian:~# cat /etc/keepalived/keepalived.conf 
! Configuration File for keepalived

global_defs {
   router_id haproxy_2
}

vrrp_instance VI_1 {
    state BACKUP
    interface ens33
    virtual_router_id 130
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 2019
    }
    virtual_ipaddress {
        192.168.30.30/24 dev ens33
    }
}

virtual_server 192.168.30.30 80 {
    delay_loop 6
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP

    real_server 10.10.10.40 80 {
        weight 1
        SSL_GET {
            connect_timeout 3
            retry 3
            delay_before_retry 3
        }
    }

    real_server 10.10.10.10 80 {
        weight 1
        SSL_GET {
            connect_timeout 3
            retry 3
            delay_before_retry 3
        }
    }

}

재부팅 명령:/usr/local/sbin/./keepalived
주 서버 종료 대기 서버 자동