Load balancer haproxy
[root@loadbalancer ~]dnf update -y [root@loadbalancer ~]dnf install -y haproxy [root@loadbalancer ~]haproxy -v
Mở file: [root@loadbalancer ~]nano /etc/haproxy/haproxy.cfg ################################################# global maxconn 50000 log /dev/log local0 log /dev/log local1 notice user haproxy group haproxy daemon defaults log global mode http option httplog option dontlognull timeout connect 5s timeout client 50s timeout server 50s timeout http-request 5s timeout http-keep-alive 20s ############### # HTTP (80) ############### frontend http-in # listen 80 port bind *:80 # set default backend default_backend backend_servers # send X-Forwarded-For header option forwardfor # define backend backend backend_servers mode http # balance with roundrobin balance roundrobin # define backend servers server Web1 10.128.59.x:80 check server Web2 10.128.59.x:80 check #Tùy chọn để giám sát backend listen stats bind 0.0.0.0:9000 mode http stats enable stats uri /stats stats refresh 5s stats auth admin:pass_cua_ban
[root@loadbalancer ~]haproxy -c -f /etc/haproxy/haproxy.cfg Nếu thấy: Configuration file is valid → Ok
[root@loadbalancer ~]systemctl start haproxy [root@loadbalancer ~]systemctl enable haproxy [root@loadbalancer ~]systemctl status haproxy
<port protocol="tcp" port="80"/> <port protocol="tcp" port="443"/> <port protocol="tcp" port="9000"/> Truy cập kiểm tra: http://IP:9000/stats
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