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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
import * as kue from 'kue'
import { JobState, JobType } from '../../../shared/models'
import { logger } from '../../helpers/logger'
import { CONFIG, JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_REQUEST_TTL } from '../../initializers'
import { Redis } from '../redis'
import { ActivitypubHttpBroadcastPayload, processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast'
import { ActivitypubHttpFetcherPayload, processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher'
import { ActivitypubHttpUnicastPayload, processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast'
import { EmailPayload, processEmail } from './handlers/email'
import { processVideoFile, processVideoFileImport, VideoFilePayload, VideoFileImportPayload } from './handlers/video-file'
import { ActivitypubFollowPayload, processActivityPubFollow } from './handlers/activitypub-follow'
type CreateJobArgument =
{ type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } |
{ type: 'activitypub-http-unicast', payload: ActivitypubHttpUnicastPayload } |
{ type: 'activitypub-http-fetcher', payload: ActivitypubHttpFetcherPayload } |
{ type: 'activitypub-follow', payload: ActivitypubFollowPayload } |
{ type: 'video-file-import', payload: VideoFileImportPayload } |
{ type: 'video-file', payload: VideoFilePayload } |
{ type: 'email', payload: EmailPayload }
const handlers: { [ id in JobType ]: (job: kue.Job) => Promise<any>} = {
'activitypub-http-broadcast': processActivityPubHttpBroadcast,
'activitypub-http-unicast': processActivityPubHttpUnicast,
'activitypub-http-fetcher': processActivityPubHttpFetcher,
'activitypub-follow': processActivityPubFollow,
'video-file-import': processVideoFileImport,
'video-file': processVideoFile,
'email': processEmail
}
const jobsWithTLL: JobType[] = [
'activitypub-http-broadcast',
'activitypub-http-unicast',
'activitypub-http-fetcher',
'activitypub-follow'
]
class JobQueue {
private static instance: JobQueue
private jobQueue: kue.Queue
private initialized = false
private jobRedisPrefix: string
private constructor () {}
async init () {
// Already initialized
if (this.initialized === true) return
this.initialized = true
this.jobRedisPrefix = 'q-' + CONFIG.WEBSERVER.HOST
this.jobQueue = kue.createQueue({
prefix: this.jobRedisPrefix,
redis: {
host: CONFIG.REDIS.HOSTNAME,
port: CONFIG.REDIS.PORT,
auth: CONFIG.REDIS.AUTH,
db: CONFIG.REDIS.DB
}
})
this.jobQueue.setMaxListeners(20)
this.jobQueue.on('error', err => {
logger.error('Error in job queue.', { err })
process.exit(-1)
})
this.jobQueue.watchStuckJobs(5000)
await this.reactiveStuckJobs()
for (const handlerName of Object.keys(handlers)) {
this.jobQueue.process(handlerName, JOB_CONCURRENCY[handlerName], async (job, done) => {
try {
const res = await handlers[ handlerName ](job)
return done(null, res)
} catch (err) {
logger.error('Cannot execute job %d.', job.id, { err })
return done(err)
}
})
}
}
createJob (obj: CreateJobArgument, priority = 'normal') {
return new Promise((res, rej) => {
let job = this.jobQueue
.create(obj.type, obj.payload)
.priority(priority)
.attempts(JOB_ATTEMPTS[obj.type])
.backoff({ delay: 60 * 1000, type: 'exponential' })
if (jobsWithTLL.indexOf(obj.type) !== -1) {
job = job.ttl(JOB_REQUEST_TTL)
}
return job.save(err => {
if (err) return rej(err)
return res()
})
})
}
async listForApi (state: JobState, start: number, count: number, sort: 'ASC' | 'DESC'): Promise<kue.Job[]> {
const jobStrings = await Redis.Instance.listJobs(this.jobRedisPrefix, state, 'alpha', sort, start, count)
const jobPromises = jobStrings
.map(s => s.split('|'))
.map(([ , jobId ]) => this.getJob(parseInt(jobId, 10)))
return Promise.all(jobPromises)
}
count (state: JobState) {
return new Promise<number>((res, rej) => {
this.jobQueue[state + 'Count']((err, total) => {
if (err) return rej(err)
return res(total)
})
})
}
removeOldJobs () {
const now = new Date().getTime()
kue.Job.rangeByState('complete', 0, -1, 'asc', (err, jobs) => {
if (err) {
logger.error('Cannot get jobs when removing old jobs.', { err })
return
}
for (const job of jobs) {
if (now - job.created_at > JOB_COMPLETED_LIFETIME) {
job.remove()
}
}
})
}
private reactiveStuckJobs () {
const promises: Promise<any>[] = []
this.jobQueue.active((err, ids) => {
if (err) throw err
for (const id of ids) {
kue.Job.get(id, (err, job) => {
if (err) throw err
const p = new Promise((res, rej) => {
job.inactive(err => {
if (err) return rej(err)
return res()
})
})
promises.push(p)
})
}
})
return Promise.all(promises)
}
private getJob (id: number) {
return new Promise<kue.Job>((res, rej) => {
kue.Job.get(id, (err, job) => {
if (err) return rej(err)
return res(job)
})
})
}
static get Instance () {
return this.instance || (this.instance = new this())
}
}
// ---------------------------------------------------------------------------
export {
JobQueue
}
|
