aboutsummaryrefslogtreecommitdiffhomepage
path: root/scripts/parse-log.ts
blob: 045348e8674d158a376249e9e2eb423b4693eb3f (plain) (blame)
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
import { registerTSPaths } from '../server/helpers/register-ts-paths'
registerTSPaths()

import * as program from 'commander'
import { createReadStream, readdir } from 'fs-extra'
import { join } from 'path'
import { createInterface } from 'readline'
import * as winston from 'winston'
import { labelFormatter } from '../server/helpers/logger'
import { CONFIG } from '../server/initializers/config'
import { mtimeSortFilesDesc } from '../shared/core-utils/logs/logs'
import { inspect } from 'util'
import { format as sqlFormat } from 'sql-formatter'

program
  .option('-l, --level [level]', 'Level log (debug/info/warn/error)')
  .option('-f, --files [file...]', 'Files to parse. If not provided, the script will parse the latest log file from config)')
  .parse(process.argv)

const excludedKeys = {
  level: true,
  message: true,
  splat: true,
  timestamp: true,
  label: true,
  sql: 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.sql) {
    if (CONFIG.LOG.PRETTIFY_SQL) {
      additionalInfos += '\n' + sqlFormat(info.sql, {
        language: 'sql',
        ident: '  '
      })
    } else {
      additionalInfos += ' - ' + info.sql
    }
  }

  return `[${info.label}] ${toTimeFormat(info.timestamp)} ${info.level}: ${info.message}${additionalInfos}`
})

const logger = winston.createLogger({
  transports: [
    new winston.transports.Console({
      level: program['level'] || 'debug',
      stderrLevels: [],
      format: winston.format.combine(
        winston.format.splat(),
        labelFormatter(),
        winston.format.colorize(),
        loggerFormat
      )
    })
  ],
  exitOnError: true
})

const logLevels = {
  error: logger.error.bind(logger),
  warn: logger.warn.bind(logger),
  info: logger.info.bind(logger),
  debug: logger.debug.bind(logger)
}

run()
  .then(() => process.exit(0))
  .catch(err => console.error(err))

function run () {
  return new Promise(async res => {
    const files = await getFiles()

    for (const file of files) {
      console.log('Opening %s.', file)

      const stream = createReadStream(file)

      const rl = createInterface({
        input: stream
      })

      rl.on('line', line => {
        try {
          const log = JSON.parse(line)
          // Don't know why but loggerFormat does not remove splat key
          Object.assign(log, { splat: undefined })

          logLevels[log.level](log)
        } catch (err) {
          console.error('Cannot parse line.', inspect(line))
          throw err
        }
      })

      stream.once('close', () => res())
    }
  })
}

// Thanks: https://stackoverflow.com/a/37014317
async function getNewestFile (files: string[], basePath: string) {
  const sorted = await mtimeSortFilesDesc(files, basePath)

  return (sorted.length > 0) ? sorted[0].file : ''
}

async function getFiles () {
  if (program['files']) return program['files']

  const logFiles = await readdir(CONFIG.STORAGE.LOG_DIR)

  const filename = await getNewestFile(logFiles, CONFIG.STORAGE.LOG_DIR)
  return [ join(CONFIG.STORAGE.LOG_DIR, filename) ]
}

function toTimeFormat (time: string) {
  const timestamp = Date.parse(time)

  if (isNaN(timestamp) === true) return 'Unknown date'

  return new Date(timestamp).toISOString()
}