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
|
const fs = require('fs')
const ini = require('ini')
const {isNumeric} = require('./util')
let workerConfig = {
targets: {},
}
let masterConfig = {}
function readFile(file) {
if (!fs.existsSync(file))
throw new Error(`file ${file} not found`)
return ini.parse(fs.readFileSync(file, 'utf-8'))
}
function processScheme(source, scheme) {
const result = {}
for (let key in scheme) {
let opts = scheme[key]
let ne = !(key in source) || !source[key]
if (opts.required === true && ne)
throw new Error(`'${key}' is not defined`)
let value = source[key] ?? opts.default ?? null
switch (opts.type) {
case 'int':
if (!isNumeric(value))
throw new Error(`'${key}' must be an integer`)
value = parseInt(value, 10)
break
case 'float':
if (!isNumeric(value))
throw new Error(`'${key}' must be a float`)
value = parseFloat(value)
break
}
result[key] = value
}
return result
}
function parseWorkerConfig(file) {
const raw = readFile(file)
const scheme = {
host: {required: true},
port: {required: true, type: 'int'},
password: {},
master_host: {},
master_port: {type: 'int', default: 0},
master_reconnect_timeout: {type: 'int', default: 10},
log_file: {},
log_level_file: {default: 'warn'},
log_level_console: {default: 'warn'},
mysql_host: {required: true},
mysql_port: {required: true, type: 'int'},
mysql_user: {required: true},
mysql_password: {required: true},
mysql_database: {required: true},
mysql_table: {required: true, default: 'jobs'},
mysql_fetch_limit: {default: 100, type: 'int'},
launcher: {required: true},
max_output_buffer: {default: 1024*1024, type: 'int'},
}
Object.assign(workerConfig, processScheme(raw, scheme))
// targets
for (let target in raw) {
if (target === 'null')
throw new Error('word \'null\' is reserved, please don\'t use it as a target name')
if (typeof raw[target] !== 'object')
continue
workerConfig.targets[target] = {slots: {}}
for (let slotName in raw[target]) {
let slotLimit = parseInt(raw[target][slotName], 10)
if (slotLimit < 1)
throw new Error(`${target}: slot ${slotName} has invalid limit`)
workerConfig.targets[target].slots[slotName] = slotLimit
}
}
}
function parseMasterConfig(file) {
const raw = readFile(file)
const scheme = {
host: {required: true},
port: {required: true, type: 'int'},
password: {},
ping_interval: {default: 30, type: 'int'},
poke_throttle_interval: {default: 0.5, type: 'float'},
log_file: {},
log_level_file: {default: 'warn'},
log_level_console: {default: 'warn'},
}
Object.assign(masterConfig, processScheme(raw, scheme))
}
module.exports = {
parseWorkerConfig,
parseMasterConfig,
workerConfig,
masterConfig
}
|
