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# systemctl status haproxy
○ haproxy.service - HAProxy Load Balancer
     Loaded: loaded (/lib/systemd/system/haproxy.service; enabled; vendor preset: enabled)
     Active: inactive (dead) since Tue 2025-12-23 09:09:48 UTC; 4min 7s ago
       Docs: man:haproxy(1)
             file:/usr/share/doc/haproxy/configuration.txt.gz
    Process: 21773 ExecStartPre=/usr/sbin/haproxy -Ws -f $CONFIG -c -q $EXTRAOPTS (code=exited, status=0/SUCCESS)
    Process: 21775 ExecStart=/usr/sbin/haproxy -Ws -f $CONFIG -p $PIDFILE $EXTRAOPTS (code=exited, status=0/SUCCESS)
   Main PID: 21775 (code=exited, status=0/SUCCESS)
        CPU: 99ms

déc. 23 09:09:15 sgaiarpfo1 haproxy[21775]: [NOTICE]   (21775) : New worker #1 (21777) forked
déc. 23 09:09:15 sgaiarpfo1 systemd[1]: Started HAProxy Load Balancer.
déc. 23 09:09:48 sgaiarpfo1 haproxy[21775]: [WARNING]  (21775) : Exiting Master process...
déc. 23 09:09:48 sgaiarpfo1 systemd[1]: Stopping HAProxy Load Balancer...
déc. 23 09:09:48 sgaiarpfo1 haproxy[21775]: [NOTICE]   (21775) : haproxy version is 2.4.29-0ubuntu0.22.04.1
déc. 23 09:09:48 sgaiarpfo1 haproxy[21775]: [NOTICE]   (21775) : path to executable is /usr/sbin/haproxy
déc. 23 09:09:48 sgaiarpfo1 haproxy[21775]: [ALERT]    (21775) : Current worker #1 (21777) exited with code 143 (Terminated)
déc. 23 09:09:48 sgaiarpfo1 haproxy[21775]: [WARNING]  (21775) : All workers exited. Exiting... (0)
déc. 23 09:09:48 sgaiarpfo1 systemd[1]: haproxy.service: Deactivated successfully.
déc. 23 09:09:48 sgaiarpfo1 systemd[1]: Stopped HAProxy Load Balancer.
root@sgaiarpfo1:/home/user# ip a show ens3
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 50:6b:8d:8d:38:87 brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    inet 172.16.26.158/23 brd 172.16.27.255 scope global ens3
       valid_lft forever preferred_lft forever
    inet 172.16.26.200/23 scope global secondary ens3
       valid_lft forever preferred_lft forever
    inet6 fe80::526b:8dff:fe8d:3887/64 scope link
       valid_lft forever preferred_lft forever
root@sgaiarpfo1:/home/user# cat /etc/keepalived/keepalived.conf
global_defs {
    router_id HAPROXY_VRRP
}

vrrp_script chk_haproxy {
    script "/etc/keepalived/check_haproxy.sh"
    interval 2
    weight -20
    fall 2
    rise 1
}

vrrp_instance VI_1 {
    state MASTER
    interface ens3
    virtual_router_id 51
    priority 150
    advert_int 1

    authentication {
        auth_type PASS
        auth_pass dON-td13
    }

    virtual_ipaddress {
        172.16.26.200/23
    }

    track_script {
        chk_haproxy
    }
}


==============================
# systemctl status haproxy
● haproxy.service - HAProxy Load Balancer
     Loaded: loaded (/lib/systemd/system/haproxy.service; enabled; vendor preset: enabled)
     Active: active (running) since Tue 2025-12-23 09:08:37 UTC; 4min 39s ago
       Docs: man:haproxy(1)
             file:/usr/share/doc/haproxy/configuration.txt.gz
    Process: 10178 ExecStartPre=/usr/sbin/haproxy -Ws -f $CONFIG -c -q $EXTRAOPTS (code=exited, status=0/SUCCESS)
   Main PID: 10180 (haproxy)
      Tasks: 5 (limit: 9328)
     Memory: 69.9M
        CPU: 76ms
     CGroup: /system.slice/haproxy.service
             ├─10180 /usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid -S /run/haproxy-master.sock
             └─10182 /usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid -S /run/haproxy-master.sock

déc. 23 09:08:37 sgaiarpfo2 systemd[1]: Starting HAProxy Load Balancer...
déc. 23 09:08:37 sgaiarpfo2 haproxy[10180]: [NOTICE]   (10180) : New worker #1 (10182) forked
déc. 23 09:08:37 sgaiarpfo2 systemd[1]: Started HAProxy Load Balancer.
root@sgaiarpfo2:/home/user# ip a show ens3
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 50:6b:8d:95:1c:7a brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    inet 172.16.27.148/23 brd 172.16.27.255 scope global ens3
       valid_lft forever preferred_lft forever
    inet6 fe80::526b:8dff:fe95:1c7a/64 scope link
       valid_lft forever preferred_lft forever
Créé il y a 3 semaines.