如何使用HAProxy将domain.com重写为www.domain.com? [英] How to rewrite domain.com to www.domain.com with HAProxy?

问题描述

我们有1个负载均衡器，后面有3个成员:

We have 1 loadbalancer with 3 members behind it:

主平衡器:www.website.com 成员:web1.website.com，web2.website.com和web3.website.com

main balancer: www.website.com members: web1.website.com, web2.website.com and web3.website.com

当前，我们在负载均衡器上使用nginx，但我们希望将其替换为HAProxy.

Currently we are using nginx on the loadbalancer, but we want to replace it with HAProxy.

Nginx使用以下行将不带www(domain.com)的域重写为www.domain.com:

Nginx rewrites the domain without www (domain.com) to www.domain.com with the following line:

server {
    server_name domain.com;
    listen 1.2.3.4:80;

    rewrite ^(.*) http://www.domain.com$1 permanent;
}

我该如何使用HAproxy进行管理?

How can I manage this with HAproxy?

我的haproxy配置:

My haproxy config:

frontend http 1.2.3.4:80

    default_backend www_cluster
    acl is_www hdr_end(host) -i www.domain.com
    use_backend www_cluster if is_www


backend www_cluster

    balance roundrobin
    cookie SERVERID insert nocache indirect

    option httpchk HEAD / HTTP/1.0
    option httpclose
    option forwardfor

    server web1 1.2.3.5:82 cookie WEB1 check
    server web2 1.2.3.6:82 cookie WEB2 check
    server web3 1.2.3.7:82 cookie WEB3 check

TIA！

推荐答案

修改frontend块:

frontend http 1.2.3.4:80
    default_backend www_cluster
    redirect prefix http://www.mydomain.com code 301 if { hdr(host) -i domain.com }

来源:

1. Haproxy将www重定向到非www
2. HAProxy 1.4手册
3. 个人经历

1. Haproxy redirect www to non-www
2. HAProxy 1.4 Manual
3. Personal experience

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