【问题标题】:Does nginx fastcgi_pass support variables?nginx fastcgi_pass 是否支持变量?
【发布时间】:2015-08-08 10:28:01
【问题描述】:

我想将dynamic host resolution 与 nginx 和 fastcgi_pass 一起使用。

当在conf中设置fastcgi_pass $wphost:9000;时,nginx会显示错误 [error] 7#7: *1 wordpress.docker could not be resolved (3: Host not found),

但是当我设置fastcgi_pass wordpress.docker:9000;时,它可以正常工作,除了 wordpress 重启后 nginx 仍然指向旧 IP。

server {
  listen [::]:80;
  include /etc/nginx/ssl/ssl.conf;

  server_name app.domain.*;

  root /var/www/html;
  index index.php index.html index.htm;

  resolver 172.17.42.1 valid=60s; 
  resolver_timeout 3s;

  location / {
    try_files $uri $uri/ /index.php?q=$uri&$args; ## First attempt to serve request as file, then as directory, then fall back to index.html
  }

  #error_page 404 /404.html;
  error_page 500 502 503 504 /50x.html;
  location = /50x.html {
    root /usr/share/nginx/html;
  }

  set $wphost wordpress.docker;  

  # pass the PHP scripts to FastCGI server listening on wordpress.docker
  location ~ \.php$ {
    client_max_body_size    25M;
    try_files               $uri =404;
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    fastcgi_pass            $wphost:9000;
    fastcgi_param           SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param           SCRIPT_NAME $fastcgi_script_name;
    fastcgi_index           index.php;
    include                 fastcgi_params;
  }

  location ~* \.(jpg|jpeg|gif|png|css|js|ico|xml)$ {
    add_header        Pragma public;
    add_header        Cache-Control "public, must-revalidate, proxy-revalidate";
    access_log        off;
    log_not_found     off;
    expires           168h;
  }

  # deny access to . files, for security
  location ~ /\. {
        access_log    off;
        log_not_found off; 
        deny          all;
  }

}

我有不同的虚拟主机配置,我使用proxy_pass http://$hostname;,在这个设置中,一切都按预期工作并且找到了主机。

尝试不同的选项后,我想知道fastcgi_pass 是否支持变量

【问题讨论】:

  • wordpress.host,还是wordpress.docker?
  • wordpress.docker 是正确的域名。我相应地更新了我的问题。
  • +1 在这里。我是 AWS 内部 ELB 的 fastcgi_pass,它会随着时间的推移更改 IP 地址。仍在寻找解决方案。
  • 也许这有点帮助:ruby-forum.com/topic/173585
  • 您好,您找到了如何在 fastcgi_pass 中使用变量的解决方案吗?

标签: php nginx fastcgi


【解决方案1】:

如果您将upstream 作为变量传递,它确实有效,例如:

upstream fastcgi_backend1 {
   server php_node1:9000;
}

upstream fastcgi_backend2 {
   server php_node2:9000;
}

server {
    listen 80;
    server_name _;

    set $FASTCGI_BACKEND1 fastcgi_backend1;
    set $FASTCGI_BACKEND2 fastcgi_backend2;
    
    location ~ ^/site1/index.php$ {
        fastcgi_pass   $FASTCGI_BACKEND1;
    }

    location ~ ^/site2/index.php$ {
        fastcgi_pass   $FASTCGI_BACKEND2;
    }
}

【讨论】:

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