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1 | import * as program from 'commander' | |
2 | import { createReadStream, readdir } from 'fs-extra' | |
3 | import { join } from 'path' | |
4 | import { createInterface } from 'readline' | |
5 | import * as winston from 'winston' | |
6 | import { labelFormatter } from '../server/helpers/logger' | |
7 | import { CONFIG } from '../server/initializers/config' | |
8 | import { mtimeSortFilesDesc } from '../shared/core-utils/logs/logs' | |
9 | ||
10 | program | |
11 | .option('-l, --level [level]', 'Level log (debug/info/warn/error)') | |
12 | .parse(process.argv) | |
13 | ||
14 | const excludedKeys = { | |
15 | level: true, | |
16 | message: true, | |
17 | splat: true, | |
18 | timestamp: true, | |
19 | label: true | |
20 | } | |
21 | function keysExcluder (key, value) { | |
22 | return excludedKeys[key] === true ? undefined : value | |
23 | } | |
24 | ||
25 | const loggerFormat = winston.format.printf((info) => { | |
26 | let additionalInfos = JSON.stringify(info, keysExcluder, 2) | |
27 | if (additionalInfos === '{}') additionalInfos = '' | |
28 | else additionalInfos = ' ' + additionalInfos | |
29 | ||
30 | return `[${info.label}] ${toTimeFormat(info.timestamp)} ${info.level}: ${info.message}${additionalInfos}` | |
31 | }) | |
32 | ||
33 | const logger = winston.createLogger({ | |
34 | transports: [ | |
35 | new winston.transports.Console({ | |
36 | level: program['level'] || 'debug', | |
37 | stderrLevels: [], | |
38 | format: winston.format.combine( | |
39 | winston.format.splat(), | |
40 | labelFormatter, | |
41 | winston.format.colorize(), | |
42 | loggerFormat | |
43 | ) | |
44 | }) | |
45 | ], | |
46 | exitOnError: true | |
47 | }) | |
48 | ||
49 | const logLevels = { | |
50 | error: logger.error.bind(logger), | |
51 | warn: logger.warn.bind(logger), | |
52 | info: logger.info.bind(logger), | |
53 | debug: logger.debug.bind(logger) | |
54 | } | |
55 | ||
56 | run() | |
57 | .then(() => process.exit(0)) | |
58 | .catch(err => console.error(err)) | |
59 | ||
60 | function run () { | |
61 | return new Promise(async res => { | |
62 | const logFiles = await readdir(CONFIG.STORAGE.LOG_DIR) | |
63 | const lastLogFile = await getNewestFile(logFiles, CONFIG.STORAGE.LOG_DIR) | |
64 | ||
65 | const path = join(CONFIG.STORAGE.LOG_DIR, lastLogFile) | |
66 | console.log('Opening %s.', path) | |
67 | ||
68 | const stream = createReadStream(path) | |
69 | ||
70 | const rl = createInterface({ | |
71 | input: stream | |
72 | }) | |
73 | ||
74 | rl.on('line', line => { | |
75 | const log = JSON.parse(line) | |
76 | // Don't know why but loggerFormat does not remove splat key | |
77 | Object.assign(log, { splat: undefined }) | |
78 | ||
79 | logLevels[ log.level ](log) | |
80 | }) | |
81 | ||
82 | stream.once('close', () => res()) | |
83 | }) | |
84 | } | |
85 | ||
86 | // Thanks: https://stackoverflow.com/a/37014317 | |
87 | async function getNewestFile (files: string[], basePath: string) { | |
88 | const sorted = await mtimeSortFilesDesc(files, basePath) | |
89 | ||
90 | return (sorted.length > 0) ? sorted[ 0 ].file : '' | |
91 | } | |
92 | ||
93 | function toTimeFormat (time: string) { | |
94 | const timestamp = Date.parse(time) | |
95 | ||
96 | if (isNaN(timestamp) === true) return 'Unknown date' | |
97 | ||
98 | return new Date(timestamp).toISOString() | |
99 | } |