1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
// Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
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 { 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
// 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] })
return error
}
return value
}
}
const consoleLoggerFormat = winston.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 => {
return JSON.stringify(info, getLoggerReplacer())
})
const timestampFormatter = winston.format.timestamp({
format: 'YYYY-MM-DD HH:mm:ss.SSS'
})
const labelFormatter = (suffix?: string) => {
return winston.format.label({
label: suffix ? `${label} ${suffix}` : label
})
}
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 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')
}
function loggerTagsFactory (...defaultTags: string[]) {
return (...tags: string[]) => {
return { tags: defaultTags.concat(tags) }
}
}
// ---------------------------------------------------------------------------
export {
buildLogger,
timestampFormatter,
labelFormatter,
consoleLoggerFormat,
jsonLoggerFormat,
logger,
loggerTagsFactory,
bunyanLogger
}
|
