René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"nginx 转发 redis","articleBody":"nginx 转发 redis\r\n==================\r\n\r\n### 场景\r\n\r\n本地开发，需要连接测试环境的 `redis`，但 `redis` 是内网的，不对外网开放.\r\n\r\n\r\n### 方案\r\n\r\n利用 `nginx` 进行反向代理，把请求转发到内网的 `redis` 上.  \r\n找到测试环境的一台 `nginx`，配置反向代理.\r\n\r\n修改 `nginx.conf`\r\n```\r\nhttp {\r\n    ...\r\n}\r\n\r\n# 注意跟 http 同级\r\nstream {\r\n     upstream redis {\r\n         server  10.8.xx.xxx:6379 max_fails=3 fail_timeout=30s;\r\n     }\r\n\r\n     server {\r\n          listen 16379;\r\n          proxy_connect_timeout 1s;\r\n          proxy_timeout 3s;\r\n          proxy_pass redis;\r\n     }\r\n}\r\n```\r\n\r\n如是不想修改 `nginx.conf`，而是在 `conf.d` 添加新的配置文件 `redis.conf`，则需要把 `include` 指令从 `http` 移出来  \r\n\u003e 这样保证添加的 `redis.conf` 跟 `http` 同级\r\n```\r\nhttp {\r\n    ...\r\n}\r\n\r\ninclude /etc/nginx/conf.d/*.conf\r\n```\r\n\r\n若遇到 `nginx: [emerg] unknown directive \"stream\" in /usr/local/openresty/nginx/conf/conf.d/redis.conf:1` 错误  \r\n是因为 `stream` 模块没加载到，手动加载下\r\n```\r\nload_module /usr/lib64/nginx/modules/ngx_stream_module.so;\r\n\r\nhttp {\r\n    ...\r\n}\r\n```\r\n\r\n如果不知道 `ngx_stream_module.so` 的路径在那里，则全局搜一下\r\n```\r\n$ find / -name 'ngx_stream_module'\r\n```\r\n\r\n最后，重新加载 `nginx` 下配置文件\r\n```bash\r\n$ nginx -s reload\r\n\r\n# 查看代理端口是否成功\r\n$ ss -atn | grep 16379\r\n```\r\n","author":{"url":"https://github.com/codcodog","@type":"Person","name":"codcodog"},"datePublished":"2020-11-24T13:08:14.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/125/Blog/issues/125"}