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peertube/server/helpers/logger.ts
2018-01-30 13:27:07 +01:00

77 lines
2 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) {
return excludedKeys[key] === true ? undefined : value
}
const loggerFormat = winston.format.printf((info) => {
let additionalInfos = JSON.stringify(info, keysExcluder, 2)
if (additionalInfos === '{}') additionalInfos = ''
else additionalInfos = ' ' + additionalInfos
if (info.message.stack !== undefined) info.message = info.message.stack
return `[${info.label}] ${info.timestamp} ${info.level}: ${info.message}${additionalInfos}`
})
const timestampFormatter = winston.format.timestamp({
format: 'YYYY-MM-dd HH:mm:ss.SSS'
})
const labelFormatter = winston.format.label({
label
})
const logger = new 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(
timestampFormatter,
labelFormatter,
winston.format.splat(),
winston.format.json()
)
}),
new winston.transports.Console({
handleExceptions: true,
humanReadableUnhandledException: true,
format: winston.format.combine(
timestampFormatter,
winston.format.splat(),
labelFormatter,
winston.format.colorize(),
loggerFormat
)
})
],
exitOnError: true
})
// ---------------------------------------------------------------------------
export {
timestampFormatter,
labelFormatter,
loggerFormat,
logger
}