Различия

Показаны различия между двумя версиями страницы.

--- common_linux:haproxy_cluster [2023/11/29 17:02] – root
+++ common_linux:haproxy_cluster [2024/12/21 19:00] (текущий) – внешнее изменение 127.0.0.1
@@ Строка 1: / Строка 1: @@
 ====== HAproxy кластер ======
-balancer01
 <cli>
-astra-admin@balancer01:~$ sudo apt update
+sudo apt install haproxy keepalived -y
-astra-admin@balancer01:~$ sudo apt install haproxy pacemaker corosync haveged crmsh -y
-astra-admin@balancer01:~$ sudo corosync-keygen
-Corosync Cluster Engine Authentication key generator.
-Gathering 2048 bits for key from /dev/urandom.
-Writing corosync key to /etc/corosync/authkey.
-astra-admin@balancer01:~$ sudo apt-get remove --purge haveged -y
-astra-admin@balancer01:~$ sudo apt-get clean
-astra-admin@balancer01:~$ sudo scp /etc/corosync/authkey astra-admin@balancer02:/tmp
-</cli>
-<cli>
-astra-admin@balancer02:~$ sudo apt update
-astra-admin@balancer02:~$ sudo apt install haproxy corosync pacemaker crmsh -y
-astra-admin@balancer02:~$ sudo mv /tmp/authkey /etc/corosync
-astra-admin@balancer02:~$ sudo chown root: /etc/corosync/authkey
-astra-admin@balancer02:~$ sudo chmod 400 /etc/corosync/authkey
 </cli>
-<cli>
+<code=ini /etc/haproxy/haproxy.cfg>
-astra-admin@balancer01:~$ sudo nano /etc/corosync/corosync.conf
+...
-</cli>
+frontend stats
-<code=java /etc/corosync/corosync.conf>
+    mode http
-totem {
+    bind *:8404
-        version: 2
+    stats enable
+    stats uri /stats
+    stats refresh 2s
+    stats admin if LOCALHOST
-        cluster_name: lb_clu_01
+frontend localnodes
-        transport: udpu
+        bind *:80
-        interface {
+        mode tcp
-          ringnumber: 0
+        default_backend nodes
-          bindnetaddr: 192.168.25.185
-          broadcast: yes
-          mcastport: 5405
-        }
-        crypto_cipher: none
+backend nodes
-        crypto_hash: none
+        mode tcp
+        balance leastconn
+        server web01 192.168.25.188:80 check inter 2s
+        server web02 192.168.25.189:80 check inter 2s
+</code>
+<code=java /etc/keepalived/keepalived.conf>
+vrrp_track_process track_haproxy {
+    process haproxy
+    delay 1
 }
+vrrp_instance VI_1 {
-logging {
+    state MASTER
-        fileline: off
+#    state BACKUP
-        to_stderr: yes
+    interface eth1
-        to_logfile: yes
+    virtual_router_id 101
-        logfile: /var/log/corosync/corosync.log
+    priority 20
-        to_syslog: yes
+#    priority 10
-        debug: off
+    advert_int 1
-        logger_subsys {
+    authentication {
-                subsys: QUORUM
+        auth_type PASS
-                debug: off
+        auth_pass 1qaz2wsx
-        }
+    }
+    virtual_ipaddress {
+.168.25.185
+    }
+    track_process {
+        track_haproxy
+    }
 }
-quorum {
-        provider: corosync_votequorum
-        two_node: 1
-}
-nodelist {
-        node {
-                name: balancer01
-                nodeid: 1
-                ring0_addr: 192.168.25.179
-        }
-        node {
-                name: balancer02
-                nodeid: 2
-                ring0_addr: 192.168.25.180
-        }
-}
-service {
-        name: pacemaker
-        ver: 1
-}
 </code>
 <cli>
-astra-admin@balancer01:~$ scp /etc/corosync/corosync.conf astra-admin@balancer02:/tmp
+systemctl restart keepalived.service
-</cli>
-<cli>
-astra-admin@balancer02:~$ cp /tmp/corosync.conf /etc/corosync/
-</cli>
-<cli>
-astra-admin@balancer01:~$ echo "START=yes" | sudo tee -a /etc/default/corosync
-</cli>
-<cli>
-astra-admin@balancer02:~$ echo "START=yes" | sudo tee -a /etc/default/corosync
-</cli>
-<cli>
-astra-admin@balancer01:~$ sudo systemctl restart corosync.service
-sudo systemctl restart pacemaker.service
-sudo crm status
-</cli>
-<cli>
-astra-admin@balancer02:~$ sudo systemctl restart corosync.service
-sudo systemctl restart pacemaker.service
-</cli>
-<cli>
-astra-admin@balancer01:~$ sudo crm configure property stonith-enabled=false
-astra-admin@balancer01:~$ sudo crm configure property no-quorum-policy=ignore
-astra-admin@balancer01:~$ sudo crm configure property start-failure-is-fatal=false
-astra-admin@balancer01:~$ sudo crm configure show
 </cli>