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peertube/server/helpers/logger.ts

116 lines
2.9 KiB
TypeScript

// Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
import * as mkdirp from 'mkdirp'
import * as path from 'path'
import * as winston from 'winston'
import { CONFIG } from '../initializers'
const label = CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
// Create the directory if it does not exist
mkdirp.sync(CONFIG.STORAGE.LOG_DIR)
// Use object for better performances (~ O(1))
const excludedKeys = {
level: true,
message: true,
splat: true,
timestamp: true,
label: true
}
function keysExcluder (key, value) {
if (excludedKeys[key] === true) return undefined
if (key === 'err') return value.stack
return value
}
const consoleLoggerFormat = winston.format.printf(info => {
let additionalInfos = JSON.stringify(info, keysExcluder, 2)
if (additionalInfos === '{}') additionalInfos = ''
else additionalInfos = ' ' + additionalInfos
return `[${info.label}] ${info.timestamp} ${info.level}: ${info.message}${additionalInfos}`
})
const jsonLoggerFormat = winston.format.printf(infoArg => {
let info = infoArg.err
? Object.assign({}, infoArg, { err: infoArg.err.stack })
: infoArg
return JSON.stringify(info)
})
const timestampFormatter = winston.format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss.SSS'
})
const labelFormatter = winston.format.label({
label
})
const logger = winston.createLogger({
level: CONFIG.LOG.LEVEL,
transports: [
new winston.transports.File({
filename: path.join(CONFIG.STORAGE.LOG_DIR, 'peertube.log'),
handleExceptions: true,
maxsize: 5242880,
maxFiles: 5,
format: winston.format.combine(
winston.format.timestamp(),
labelFormatter,
winston.format.splat(),
jsonLoggerFormat
)
}),
new winston.transports.Console({
handleExceptions: true,
format: winston.format.combine(
timestampFormatter,
winston.format.splat(),
labelFormatter,
winston.format.colorize(),
consoleLoggerFormat
)
})
],
exitOnError: true
})
function bunyanLogFactory (level: string) {
return function () {
let meta = null
let args: any[] = []
args.concat(arguments)
if (arguments[ 0 ] instanceof Error) {
meta = arguments[ 0 ].toString()
args = Array.prototype.slice.call(arguments, 1)
args.push(meta)
} else if (typeof (args[ 0 ]) !== 'string') {
meta = arguments[ 0 ]
args = Array.prototype.slice.call(arguments, 1)
args.push(meta)
}
logger[ level ].apply(logger, args)
}
}
const bunyanLogger = {
trace: bunyanLogFactory('debug'),
debug: bunyanLogFactory('debug'),
info: bunyanLogFactory('info'),
warn: bunyanLogFactory('warn'),
error: bunyanLogFactory('error'),
fatal: bunyanLogFactory('error')
}
// ---------------------------------------------------------------------------
export {
timestampFormatter,
labelFormatter,
consoleLoggerFormat,
logger,
bunyanLogger
}