xfy
6543422281
- config: 反向代理、缓存、负载均衡、安全、SSL 等配置模板 - lua: API 网关、认证、动态路由、限流、WebSocket 等脚本示例 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
62 lines
1.6 KiB
Lua
62 lines
1.6 KiB
Lua
-- log_formatter.lua
|
||
-- 自定义 JSON 结构化日志格式化
|
||
|
||
local cjson = require "cjson.safe"
|
||
|
||
local M = {}
|
||
|
||
--- 将毫秒转换为秒
|
||
local function ms_to_s(ms)
|
||
if not ms or ms == "-1" then
|
||
return nil
|
||
end
|
||
return tonumber(ms) / 1000
|
||
end
|
||
|
||
--- 格式化日志并输出到 stderr（Nginx error log）
|
||
-- @param ngx_obj nginx 上下文对象
|
||
function M.log(ngx_obj)
|
||
local entry = {
|
||
time = ngx_obj.var.time_iso8601,
|
||
remote_addr = ngx_obj.var.remote_addr,
|
||
method = ngx_obj.var.request_method,
|
||
uri = ngx_obj.var.uri,
|
||
args = ngx_obj.var.args,
|
||
status = ngx_obj.status,
|
||
request_time = tonumber(ngx_obj.var.request_time) or 0,
|
||
body_bytes_sent = tonumber(ngx_obj.var.body_bytes_sent) or 0,
|
||
http_referer = ngx_obj.var.http_referer,
|
||
http_user_agent = ngx_obj.var.http_user_agent,
|
||
http_x_forwarded_for = ngx_obj.var.http_x_forwarded_for,
|
||
}
|
||
|
||
-- 上游响应时间
|
||
local upstream_time = ngx_obj.var.upstream_response_time
|
||
if upstream_time then
|
||
entry.upstream_response_time = ms_to_s(upstream_time)
|
||
end
|
||
|
||
-- 请求 ID（如果有）
|
||
local req_id = ngx_obj.var.request_id
|
||
if req_id then
|
||
entry.request_id = req_id
|
||
end
|
||
|
||
-- 移除 nil 字段
|
||
local clean = {}
|
||
for k, v in pairs(entry) do
|
||
if v ~= nil then
|
||
clean[k] = v
|
||
end
|
||
end
|
||
|
||
local json, err = cjson.encode(clean)
|
||
if json then
|
||
ngx_obj.log(ngx_obj.ERR, "[access] ", json)
|
||
else
|
||
ngx_obj.log(ngx_obj.ERR, "[access] json encode failed: ", err)
|
||
end
|
||
end
|
||
|
||
return M
|