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f7275a6c4b
Upgrade logger and metrics in all services GitOrigin-RevId: 2baf63eeeab77fb3559cf763ddacfbf4b745cd0b
77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
const logger = require('@overleaf/logger')
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const metrics = require('@overleaf/metrics')
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class RequestLogger {
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constructor() {
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this._logInfo = {}
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this._logMessage = 'http request'
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}
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addFields(fields) {
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Object.assign(this._logInfo, fields)
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}
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setMessage(message) {
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this._logMessage = message
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}
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static errorHandler(err, req, res, next) {
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req.requestLogger.addFields({ error: err })
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res.status(500).send(err.message)
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}
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static middleware(req, res, next) {
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const startTime = new Date()
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req.requestLogger = new RequestLogger()
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// override the 'end' method to log and record metrics
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const end = res.end
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res.end = function () {
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// apply the standard request 'end' method before logging and metrics
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end.apply(this, arguments)
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const responseTime = new Date() - startTime
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const routePath = req.route && req.route.path.toString()
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if (routePath) {
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metrics.timing('http_request', responseTime, null, {
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method: req.method,
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status_code: res.statusCode,
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path: routePath.replace(/\//g, '_').replace(/:/g, '').slice(1),
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})
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}
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const level = res.statusCode >= 500 ? 'err' : 'log'
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logger[level](
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{
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req: {
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url: req.originalUrl || req.url,
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route: routePath,
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method: req.method,
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referrer: req.headers.referer || req.headers.referrer,
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'remote-addr':
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req.ip ||
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(req.socket && req.socket.remoteAddress) ||
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(req.socket &&
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req.socket.socket &&
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req.socket.socket.remoteAddress),
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'user-agent': req.headers['user-agent'],
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'content-length': req.headers['content-length'],
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},
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res: {
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'content-length': res._headers['content-length'],
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statusCode: res.statusCode,
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'response-time': responseTime,
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},
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info: req.requestLogger._logInfo,
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},
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req.requestLogger._logMessage
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)
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}
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next()
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}
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}
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module.exports = RequestLogger
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