NodeJS12 Morgan 记录器跳过不使用旋转文件流

Question

我将 NodeJS 与 morgan 一起用于日志记录和旋转文件流来创建日志文件。我想设置应用程序以创建 apache 组合格式的轮换日志文件。代码正在运行，日志已在所需目录中创建。但是，跳过功能不起作用。发送到 /api/healthcheck 的请求仍然出现在日志中。我已经确认 'skip' url 是正确的并且在发送对 url 的请求时与 originalUrl 匹配，并且我已经确认该函数实际上 return true 时运行状况检查路由被调用。

const logger = require('morgan');

/* Logger */
// Logger skip url
const loggerSkipUrl = '/api/healthcheck';

// Create a rotating write stream
let accessLogStream = rfs.createStream('server.log', {
  interval: '1d', // Rotate daily
  maxFiles: 30, // Maximum number of rotated files to keep in storage
  compress: 'gzip', // Compress rotated files
  path: path.join(__dirname, 'logs'),
})

// Log requests in the Apache combined format to one log file per day
app.use(logger('combined',
  { stream: accessLogStream }, // Works but doesn't skip
  { skip: (req, res) => req.originalUrl === loggerSkipUrl }, // Does not skip
  { flags: 'a' },
));

更新：我仍然遇到这个问题。它似乎与使用流选项有关。例如，不带 stream 选项的日志记录会正确跳过 healthcheck 路由，但是当使用 stream 选项时，它不会跳过。这是配置问题还是 Morgan 记录器模块中的错误？

function skipLog(req, res) {
  const answer = req.originalUrl.indexOf('healthcheck') > -1;
  console.log(`skipLog ${answer}`);
  return answer;
}

/* SKIP WORKS WITHOUT STREAM OPTION */

// Log API requests to console
app.use(requestLogger('dev', { skip: skipLog }));


/* SKIP DOES NOT WORK WITH STREAM OPTION */

requestLogStream = rfs.createStream('request.log', {
  interval: '1d', // Rotate daily
  maxFiles: 30, // Maximum number of rotated files to keep in storage
  path: path.join(__dirname, `logs/${hostname}`)
});

// Log API requests in the Apache combined format to one log file per day
app.use(requestLogger('combined',
  { stream: requestLogStream },
  { flags: 'a' },
  { skip: skipLog },
));

Answer 1

查看 code of morgan 您会看到 skip 和 stream 一起受支持。

问题是如何将选项提供给工厂函数：

app.use(requestLogger('combined',
  {
    stream: requestLogStream,
    flags: 'a',
    skip: skipLog
  })
)

必须是单个对象

NodeJS12 Morgan 记录器跳过不使用旋转文件流

NodeJS12 Morgan logger skip not working with rotating file stream

logging

node.js

morgan