Nginx+Lua 開發的 hello world 案例詳解

阿新 • • 發佈：2019-01-06

編輯 Nginx 配置檔案# cd /opt/modules/openresty/nginx/conf# cp nginx.conf nginx.conf.example # 備份 nginx.conf 檔案# vi nginx.confworker_processes 1;events { worker_connections 1024;}http { include mime.types; default_type application/octet-stream;# 在 http 部分新增，如下兩個配置，將載入 Lua 相關庫lua_package_path "/opt/modules/openresty/lualib/?.lua;;";

lua_package_cpath "/opt/modules/openresty/lualib/?.so;;"; sendfile on; keepalive_timeout 65; server { listen 8081; server_name localhost; location / { root html; index index.html index.htm; } error_page 500 502 503 504 /50x.html;

location = /50x.html { root html; } }}建立 lua.conf# cd /opt/modules/openresty/nginx/conf# vi lua.confserver { listen 80; server_name _;}在 nginx.conf 的 http 部分新增 :# cd /opt/modules/openresty/nginx/conf# vi nginx.confworker_processes 1;events { worker_connections 1024;

}http { include mime.types; default_type application/octet-stream;# 在 http 部分新增，如下兩個配置，將載入 Lua 相關庫lua_package_path "/opt/modules/openresty/lualib/?.lua;;"; lua_package_cpath "/opt/modules/openresty/lualib/?.so;;"; # 載入 Lua 配置先關檔案 include lua.conf; sendfile on; keepalive_timeout 65; server { listen 8081; server_name localhost; location / { root html; index index.html index.htm; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } }}驗證配置是否正確 :# cd /opt/modules/openresty/nginx# ./sbin/nginx -tnginx: the configuration file /opt/modules/openresty/nginx/conf/nginx.conf syntax is oknginx: configuration file /opt/modules/openresty/nginx/conf/nginx.conf test is successful在 lua.conf 的 server 部分 /lua 請求路徑的攔截配置 :# cd /opt/modules/openresty/nginx/conf# vi lua.confserver { listen 80; server_name _; # 新增 /lua 路徑的配置location /lua { default_type 'text/html'; content_by_lua 'ngx.say("hello world")'; }}# 檢測修改的配置是否正常# cd /opt/modules/openresty/nginx# ./sbin/nginx -tnginx: the configuration file /opt/modules/openresty/nginx/conf/nginx.conf syntax is oknginx: configuration file /opt/modules/openresty/nginx/conf/nginx.conf test is successful啟動 Nginx 或者重新 Nginx 載入配置# 啟動 Nginx# /opt/modules/openresty/nginx/sbin/nginx# 重新 Nginx 載入配置# /opt/modules/openresty/nginx/sbin/nginx -s reload建立 Lua 指令碼測試檔案 test.lua# cd /opt/modules/openresty/nginx/conf# mkdir lua# vi lua/test.luangx.say("hello world");修改 lua.conf# /opt/modules/openresty/nginx/conf# vi lua.confserver { listen 80; server_name _; location /lua { default_type 'text/html';# content_by_lua 'ngx.say("hello world")'; 去掉，引入 Lua 指令碼檔案 content_by_lua_file conf/lua/test.lua; }}# 檢測修改的配置是否正常# cd /opt/modules/openresty/nginx# ./sbin/nginx -tnginx: the configuration file /opt/modules/openresty/nginx/conf/nginx.conf syntax is oknginx: configuration file /opt/modules/openresty/nginx/conf/nginx.conf test is successful# ./sbin/nginx -s reload # 重新載入配置檢視異常日誌# tail -f /opt/modules/openresty/nginx/logs/error.log2018/05/10 20:04:56 [emerg] 23754#0: bind() to 0.0.0.0:80 failed (98: Address already in use)2018/05/10 20:04:56 [emerg] 23754#0: bind() to 0.0.0.0:80 failed (98: Address already in use)2018/05/10 20:04:56 [emerg] 23754#0: bind() to 0.0.0.0:80 failed (98: Address already in use)2018/05/10 20:04:56 [emerg] 23754#0: bind() to 0.0.0.0:80 failed (98: Address already in use)2018/05/10 20:04:56 [emerg] 23754#0: bind() to 0.0.0.0:80 failed (98: Address already in use)2018/05/10 20:04:56 [emerg] 23754#0: still could not bind()2018/05/10 20:46:16 [notice] 23890#0: signal process started2018/05/10 20:48:25 [notice] 23902#0: signal process started2018/05/10 20:48:29 [error] 23903#0: *1 open() "/opt/modules/openresty/nginx/html/favicon.ico" failed (2: No such file or directory), client: 192.168.242.1, server: _, request: "GET /favicon.ico HTTP/1.1", host: "ci-server", referrer: "http://ci-server/lua"2018/05/10 20:56:22 [notice] 23925#0: signal process started

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