// Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
-import * as mkdirp from 'mkdirp'
+import { mkdirpSync } from 'fs-extra'
+import { omit } from 'lodash'
import * as path from 'path'
+import { format as sqlFormat } from 'sql-formatter'
import * as winston from 'winston'
-import { CONFIG } from '../initializers'
+import { FileTransportOptions } from 'winston/lib/winston/transports'
+import { CONFIG } from '../initializers/config'
+import { LOG_FILENAME } from '../initializers/constants'
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
+// FIXME: use async
+mkdirpSync(CONFIG.STORAGE.LOG_DIR)
+
+function getLoggerReplacer () {
+ const seen = new WeakSet()
+
+ // Thanks: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value#Examples
+ return (key: string, value: any) => {
+ if (key === 'cert') return 'Replaced by the logger to avoid large log message'
- if (key === 'err') return value.stack
+ if (typeof value === 'object' && value !== null) {
+ if (seen.has(value)) return
+
+ seen.add(value)
+ }
+
+ if (value instanceof Set) {
+ return Array.from(value)
+ }
+
+ if (value instanceof Map) {
+ return Array.from(value.entries())
+ }
- return value
+ if (value instanceof Error) {
+ const error = {}
+
+ Object.getOwnPropertyNames(value).forEach(key => { error[key] = value[key] })
+
+ return error
+ }
+
+ return value
+ }
}
const consoleLoggerFormat = winston.format.printf(info => {
- let additionalInfos = JSON.stringify(info, keysExcluder, 2)
- if (additionalInfos === '{}') additionalInfos = ''
+ const toOmit = [ 'label', 'timestamp', 'level', 'message', 'sql', 'tags' ]
+
+ const obj = omit(info, ...toOmit)
+
+ let additionalInfos = JSON.stringify(obj, getLoggerReplacer(), 2)
+
+ if (additionalInfos === undefined || additionalInfos === '{}') additionalInfos = ''
else additionalInfos = ' ' + additionalInfos
+ if (info.sql) {
+ if (CONFIG.LOG.PRETTIFY_SQL) {
+ additionalInfos += '\n' + sqlFormat(info.sql, {
+ language: 'sql',
+ indent: ' '
+ })
+ } else {
+ additionalInfos += ' - ' + info.sql
+ }
+ }
+
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 jsonLoggerFormat = winston.format.printf(info => {
+ return JSON.stringify(info, getLoggerReplacer())
})
const timestampFormatter = winston.format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss.SSS'
})
-const labelFormatter = winston.format.label({
- label
-})
+const labelFormatter = (suffix?: string) => {
+ return winston.format.label({
+ label: suffix ? `${label} ${suffix}` : 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
-})
+const fileLoggerOptions: FileTransportOptions = {
+ filename: path.join(CONFIG.STORAGE.LOG_DIR, LOG_FILENAME),
+ handleExceptions: true,
+ format: winston.format.combine(
+ winston.format.timestamp(),
+ jsonLoggerFormat
+ )
+}
+
+if (CONFIG.LOG.ROTATION.ENABLED) {
+ fileLoggerOptions.maxsize = CONFIG.LOG.ROTATION.MAX_FILE_SIZE
+ fileLoggerOptions.maxFiles = CONFIG.LOG.ROTATION.MAX_FILES
+}
+
+const logger = buildLogger()
+
+function buildLogger (labelSuffix?: string) {
+ return winston.createLogger({
+ level: CONFIG.LOG.LEVEL,
+ format: winston.format.combine(
+ labelFormatter(labelSuffix),
+ winston.format.splat()
+ ),
+ transports: [
+ new winston.transports.File(fileLoggerOptions),
+ new winston.transports.Console({
+ handleExceptions: true,
+ format: winston.format.combine(
+ timestampFormatter,
+ winston.format.colorize(),
+ consoleLoggerFormat
+ )
+ })
+ ],
+ exitOnError: true
+ })
+}
function bunyanLogFactory (level: string) {
return function () {
let args: any[] = []
args.concat(arguments)
- if (arguments[ 0 ] instanceof Error) {
- meta = arguments[ 0 ].toString()
+ 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 ]
+ } else if (typeof (args[0]) !== 'string') {
+ meta = arguments[0]
args = Array.prototype.slice.call(arguments, 1)
args.push(meta)
}
- logger[ level ].apply(logger, args)
+ logger[level].apply(logger, args)
}
}
+
const bunyanLogger = {
trace: bunyanLogFactory('debug'),
debug: bunyanLogFactory('debug'),
fatal: bunyanLogFactory('error')
}
+type LoggerTagsFn = (...tags: string[]) => { tags: string[] }
+function loggerTagsFactory (...defaultTags: string[]): LoggerTagsFn {
+ return (...tags: string[]) => {
+ return { tags: defaultTags.concat(tags) }
+ }
+}
+
// ---------------------------------------------------------------------------
export {
+ LoggerTagsFn,
+
+ buildLogger,
timestampFormatter,
labelFormatter,
consoleLoggerFormat,
+ jsonLoggerFormat,
logger,
+ loggerTagsFactory,
bunyanLogger
}