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带有 websockets 的 apache mod 代理平衡器

[英]apache mod proxy balancer with websockets

我有带有以下 apache 配置的 uWSGI + Apache:

RewriteEngine On
RewriteCond %{HTTP:Upgrade} =websocket [NC]
RewriteRule /(.*)           ws://127.0.0.1:3031/$1 [P,L]
RewriteCond %{HTTP:Upgrade} !=websocket [NC]
RewriteRule /(.*)           http://127.0.0.1:3031/$1 [P,L]

ProxyPass / http://127.0.0.1:3031/

现在我想实现粘性会话并使 apache 为每个工作人员使用代理平衡器:

<Proxy "balancer://uwsgiworkers">
    BalancerMember "http://127.0.0.1:3031" route=1
    BalancerMember "http://127.0.0.1:3032" route=2
    BalancerMember "http://127.0.0.1:3033" route=3
    ProxySet stickysession=ROUTEID
    ProxySet lbmethod=byrequests
</Proxy> 

RewriteEngine On
RewriteCond %{HTTP:Upgrade} =websocket [NC]
RewriteRule /(.*)           ws://??????/$1 [P,L]
RewriteCond %{HTTP:Upgrade} !=websocket [NC]
RewriteRule /(.*)           http://???????/$1 [P,L]

ProxyPass balancer://uwsgiworkers/

现在的问题是如何将选定的工作 URL 传递给RewriteRule 因为我需要在 WebSockets 握手中更改协议。

谢谢!

我最近偶然发现了同样的问题。 我不是 100% 确定这是正确的路径(而且感觉很冗长),但它似乎是一个功能选项!

基本上,我创建了两个不同的平衡器组,一个用于 HTTP 流量,另一个用于 WebSocket。 我不太确定此处是否可以省略ProxyPass (似乎balancer://处理了 ProxyPass 部分),但它似乎在我的环境中运行良好!

<Proxy "balancer://uwsgiworkers">
    BalancerMember "http://127.0.0.1:3031" route=1
    BalancerMember "http://127.0.0.1:3032" route=2
    BalancerMember "http://127.0.0.1:3033" route=3
    ProxySet stickysession=ROUTEID
    ProxySet lbmethod=byrequests
</Proxy> 

<Proxy "balancer://uwsgiworkersws">
    BalancerMember "ws://127.0.0.1:3031" route=1
    BalancerMember "ws://127.0.0.1:3032" route=2
    BalancerMember "ws://127.0.0.1:3033" route=3
    ProxySet stickysession=ROUTEID
    ProxySet lbmethod=byrequests
</Proxy> 

RewriteEngine On
RewriteCond %{HTTP:Upgrade} =websocket [NC]
RewriteRule /(.*)           balancer://uswsgiworkersws/$1 [P,L]
RewriteCond %{HTTP:Upgrade} !=websocket [NC]
RewriteRule /(.*)           balancer://uswsgiworkers/$1 [P,L]

# I actually think this can be omitted
# it seems that balancer:// handles the ProxyPass
# ProxyPass balancer://uwsgiworkers/

这个想法的功劳: https : //serverfault.com/a/808640/437243

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