部署步骤
- apt 安装
# 安装 HAProxy
apt-get update
apt-get install -y haproxy
# 查看版本
haproxy -v
2. 修改默认的配置文件 /etc/haproxy/haproxy.cfg 内容
#---------------------------------------------------------------------
# Global settings
#---------------------------------------------------------------------
global
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user haproxy
group haproxy
daemon
# 统计socket
stats socket /var/lib/haproxy/stats
#---------------------------------------------------------------------
# Default settings
#---------------------------------------------------------------------
defaults
mode tcp
log global
option tcplog
option dontlognull
option redispatch
retries 3
timeout connect 10s
timeout client 1m
timeout server 1m
timeout check 10s
maxconn 3000
#---------------------------------------------------------------------
# HAProxy 统计页面配置（可选）
#---------------------------------------------------------------------
listen stats
bind *:9000
mode http
stats enable
stats uri /haproxy-stats
stats auth admin:admin123
stats refresh 30s
stats realm HAProxy\ Statistics
#---------------------------------------------------------------------
# Kubernetes API Server 前端配置
#---------------------------------------------------------------------
frontend kubernetes-apiserver
bind *:6443
mode tcp
option tcplog
default_backend kubernetes-master
#---------------------------------------------------------------------
# Kubernetes API Server 后端配置
#---------------------------------------------------------------------
backend kubernetes-master
mode tcp
balance roundrobin
option tcp-check
# 健康检查：连接到 6443 端口
# Master 节点配置
server server-03 192.168.174.131:6443 check inter 2000 rise 2 fall 3
server server-04 192.168.174.133:6443 check inter 2000 rise 2 fall 3
server server-05 192.168.174.134:6443 check inter 2000 rise 2 fall 3
3. 重启 haproxy 应用配置
systemctl restart haproxy
4. 验证部署成功
浏览器访问 http://192.168.174.128:9000/haproxy-stats
