// Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
-import { mkdirpSync } from 'fs-extra'
-import * as path from 'path'
-import * as winston from 'winston'
+import { stat } from 'fs-extra'
+import { omit } from 'lodash'
+import { join } from 'path'
+import { format as sqlFormat } from 'sql-formatter'
+import { createLogger, format, transports } from 'winston'
import { FileTransportOptions } from 'winston/lib/winston/transports'
import { CONFIG } from '../initializers/config'
-import { omit } from 'lodash'
import { LOG_FILENAME } from '../initializers/constants'
const label = CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT
-// Create the directory if it does not exist
-// 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 (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())
+ }
+
if (value instanceof Error) {
const error = {}
- Object.getOwnPropertyNames(value).forEach(key => error[ key ] = value[ key ])
+ Object.getOwnPropertyNames(value).forEach(key => { error[key] = value[key] })
return error
}
}
}
-const consoleLoggerFormat = winston.format.printf(info => {
- const obj = omit(info, 'label', 'timestamp', 'level', 'message')
+const consoleLoggerFormat = format.printf(info => {
+ 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(info => {
+const jsonLoggerFormat = format.printf(info => {
return JSON.stringify(info, getLoggerReplacer())
})
-const timestampFormatter = winston.format.timestamp({
+const timestampFormatter = format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss.SSS'
})
-const labelFormatter = winston.format.label({
- label
-})
+const labelFormatter = (suffix?: string) => {
+ return format.label({
+ label: suffix ? `${label} ${suffix}` : label
+ })
+}
const fileLoggerOptions: FileTransportOptions = {
- filename: path.join(CONFIG.STORAGE.LOG_DIR, LOG_FILENAME),
+ filename: join(CONFIG.STORAGE.LOG_DIR, LOG_FILENAME),
handleExceptions: true,
- format: winston.format.combine(
- winston.format.timestamp(),
+ format: format.combine(
+ format.timestamp(),
jsonLoggerFormat
)
}
fileLoggerOptions.maxFiles = CONFIG.LOG.ROTATION.MAX_FILES
}
-const logger = winston.createLogger({
- level: CONFIG.LOG.LEVEL,
- format: winston.format.combine(
- labelFormatter,
- 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
-})
+const logger = buildLogger()
+
+function buildLogger (labelSuffix?: string) {
+ return createLogger({
+ level: CONFIG.LOG.LEVEL,
+ format: format.combine(
+ labelFormatter(labelSuffix),
+ format.splat()
+ ),
+ transports: [
+ new transports.File(fileLoggerOptions),
+ new transports.Console({
+ handleExceptions: true,
+ format: format.combine(
+ timestampFormatter,
+ format.colorize(),
+ consoleLoggerFormat
+ )
+ })
+ ],
+ exitOnError: true
+ })
+}
function bunyanLogFactory (level: string) {
- return function () {
+ return function (...params: any[]) {
let meta = null
- let args: any[] = []
- args.concat(arguments)
+ let args = [].concat(params)
- 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 = {
+ level: () => { },
trace: bunyanLogFactory('debug'),
debug: bunyanLogFactory('debug'),
info: bunyanLogFactory('info'),
error: bunyanLogFactory('error'),
fatal: bunyanLogFactory('error')
}
+
+type LoggerTagsFn = (...tags: string[]) => { tags: string[] }
+function loggerTagsFactory (...defaultTags: string[]): LoggerTagsFn {
+ return (...tags: string[]) => {
+ return { tags: defaultTags.concat(tags) }
+ }
+}
+
+async function mtimeSortFilesDesc (files: string[], basePath: string) {
+ const promises = []
+ const out: { file: string, mtime: number }[] = []
+
+ for (const file of files) {
+ const p = stat(basePath + '/' + file)
+ .then(stats => {
+ if (stats.isFile()) out.push({ file, mtime: stats.mtime.getTime() })
+ })
+
+ promises.push(p)
+ }
+
+ await Promise.all(promises)
+
+ out.sort((a, b) => b.mtime - a.mtime)
+
+ return out
+}
+
// ---------------------------------------------------------------------------
export {
+ LoggerTagsFn,
+
+ buildLogger,
timestampFormatter,
labelFormatter,
consoleLoggerFormat,
jsonLoggerFormat,
+ mtimeSortFilesDesc,
logger,
+ loggerTagsFactory,
bunyanLogger
}