如何避免Haproxy中对真实的同一台服务器进行重复的健康检查?

如何避免Haproxy中对真实的同一台服务器进行重复的健康检查?

下面的配置文件按预期工作,但对实际的同一个代理服务器进行重复的健康检查,我该如何避免这种重复的健康检查?(我仍然想做健康检查,但不进行重复的健康检查)

global
    external-check
defaults
    option httplog
    log 127.0.0.1:514 user
    timeout connect 5000s
    timeout client 5000s
    timeout server 5000s
#Close the using connection when backend server marked as down
listen main-proxy1
    bind 127.0.0.1:8079
    mode http
    option external-check
    external-check command /checker
    balance static-rr
    server proxy1 127.0.0.1:9999 check on-marked-down shutdown-sessions on-marked-up shutdown-backup-sessions
#Don't close the using connection when backend server marked as down
listen main-proxy2
    bind 127.0.0.1:8080
    mode http
    option external-check
    external-check command /checker
    balance static-rr
    server proxy2 127.0.0.1:9999 check

答案1

您可以使用该track指令来跟踪另一台服务器的状态。对于您来说,第二server行将是:

server proxy2 127.0.0.1:9999 track main-proxy1/proxy1

答案2

我认为解决这个问题最简单的方法是定义一个前端和一个后端:

例子:

frontend www.mysite.com
    bind 10.0.0.3:80
    bind 10.0.0.3:443 ssl crt /etc/ssl/certs/mysite.pem
    http-request redirect scheme https unless { ssl_fc }
    use_backend api_servers if { path_beg /api/ }
    default_backend web_servers

backend web_servers
    balance roundrobin
    cookie SERVERUSED insert indirect nocache
    option httpchk HEAD /
    default-server check maxconn 20
    server server1 10.0.1.3:80 cookie server1
    server server2 10.0.1.4:80 cookie server2

您将在后端进行健康检查,现在您可以对多个前端使用同一个后端。

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