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1 | import * as Bull from 'bull' | |
2 | import { JobState, JobType } from '../../../shared/models' | |
3 | import { logger } from '../../helpers/logger' | |
4 | import { Redis } from '../redis' | |
5 | import { JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_TTL, REPEAT_JOBS, WEBSERVER } from '../../initializers/constants' | |
6 | import { ActivitypubHttpBroadcastPayload, processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast' | |
7 | import { ActivitypubHttpFetcherPayload, processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher' | |
8 | import { ActivitypubHttpUnicastPayload, processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast' | |
9 | import { EmailPayload, processEmail } from './handlers/email' | |
10 | import { processVideoTranscoding, VideoTranscodingPayload } from './handlers/video-transcoding' | |
11 | import { ActivitypubFollowPayload, processActivityPubFollow } from './handlers/activitypub-follow' | |
12 | import { processVideoImport, VideoImportPayload } from './handlers/video-import' | |
13 | import { processVideosViews } from './handlers/video-views' | |
14 | import { refreshAPObject, RefreshPayload } from './handlers/activitypub-refresher' | |
15 | import { processVideoFileImport, VideoFileImportPayload } from './handlers/video-file-import' | |
16 | ||
17 | type CreateJobArgument = | |
18 | { type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } | | |
19 | { type: 'activitypub-http-unicast', payload: ActivitypubHttpUnicastPayload } | | |
20 | { type: 'activitypub-http-fetcher', payload: ActivitypubHttpFetcherPayload } | | |
21 | { type: 'activitypub-follow', payload: ActivitypubFollowPayload } | | |
22 | { type: 'video-file-import', payload: VideoFileImportPayload } | | |
23 | { type: 'video-transcoding', payload: VideoTranscodingPayload } | | |
24 | { type: 'email', payload: EmailPayload } | | |
25 | { type: 'video-import', payload: VideoImportPayload } | | |
26 | { type: 'activitypub-refresher', payload: RefreshPayload } | | |
27 | { type: 'videos-views', payload: {} } | |
28 | ||
29 | const handlers: { [ id in (JobType | 'video-file') ]: (job: Bull.Job) => Promise<any>} = { | |
30 | 'activitypub-http-broadcast': processActivityPubHttpBroadcast, | |
31 | 'activitypub-http-unicast': processActivityPubHttpUnicast, | |
32 | 'activitypub-http-fetcher': processActivityPubHttpFetcher, | |
33 | 'activitypub-follow': processActivityPubFollow, | |
34 | 'video-file-import': processVideoFileImport, | |
35 | 'video-transcoding': processVideoTranscoding, | |
36 | 'video-file': processVideoTranscoding, // TODO: remove it (changed in 1.3) | |
37 | 'email': processEmail, | |
38 | 'video-import': processVideoImport, | |
39 | 'videos-views': processVideosViews, | |
40 | 'activitypub-refresher': refreshAPObject | |
41 | } | |
42 | ||
43 | const jobTypes: JobType[] = [ | |
44 | 'activitypub-follow', | |
45 | 'activitypub-http-broadcast', | |
46 | 'activitypub-http-fetcher', | |
47 | 'activitypub-http-unicast', | |
48 | 'email', | |
49 | 'video-transcoding', | |
50 | 'video-file-import', | |
51 | 'video-import', | |
52 | 'videos-views', | |
53 | 'activitypub-refresher' | |
54 | ] | |
55 | ||
56 | class JobQueue { | |
57 | ||
58 | private static instance: JobQueue | |
59 | ||
60 | private queues: { [ id in JobType ]?: Bull.Queue } = {} | |
61 | private initialized = false | |
62 | private jobRedisPrefix: string | |
63 | ||
64 | private constructor () {} | |
65 | ||
66 | async init () { | |
67 | // Already initialized | |
68 | if (this.initialized === true) return | |
69 | this.initialized = true | |
70 | ||
71 | this.jobRedisPrefix = 'bull-' + WEBSERVER.HOST | |
72 | const queueOptions = { | |
73 | prefix: this.jobRedisPrefix, | |
74 | redis: Redis.getRedisClientOptions(), | |
75 | settings: { | |
76 | maxStalledCount: 10 // transcoding could be long, so jobs can often be interrupted by restarts | |
77 | } | |
78 | } | |
79 | ||
80 | for (const handlerName of Object.keys(handlers)) { | |
81 | const queue = new Bull(handlerName, queueOptions) | |
82 | const handler = handlers[handlerName] | |
83 | ||
84 | queue.process(JOB_CONCURRENCY[handlerName], handler) | |
85 | .catch(err => logger.error('Error in job queue processor %s.', handlerName, { err })) | |
86 | ||
87 | queue.on('failed', (job, err) => { | |
88 | logger.error('Cannot execute job %d in queue %s.', job.id, handlerName, { payload: job.data, err }) | |
89 | }) | |
90 | ||
91 | queue.on('error', err => { | |
92 | logger.error('Error in job queue %s.', handlerName, { err }) | |
93 | }) | |
94 | ||
95 | this.queues[handlerName] = queue | |
96 | } | |
97 | ||
98 | this.addRepeatableJobs() | |
99 | } | |
100 | ||
101 | terminate () { | |
102 | for (const queueName of Object.keys(this.queues)) { | |
103 | const queue = this.queues[queueName] | |
104 | queue.close() | |
105 | } | |
106 | } | |
107 | ||
108 | createJob (obj: CreateJobArgument) { | |
109 | const queue = this.queues[obj.type] | |
110 | if (queue === undefined) { | |
111 | logger.error('Unknown queue %s: cannot create job.', obj.type) | |
112 | throw Error('Unknown queue, cannot create job') | |
113 | } | |
114 | ||
115 | const jobArgs: Bull.JobOptions = { | |
116 | backoff: { delay: 60 * 1000, type: 'exponential' }, | |
117 | attempts: JOB_ATTEMPTS[obj.type], | |
118 | timeout: JOB_TTL[obj.type] | |
119 | } | |
120 | ||
121 | return queue.add(obj.payload, jobArgs) | |
122 | } | |
123 | ||
124 | async listForApi (state: JobState, start: number, count: number, asc?: boolean): Promise<Bull.Job[]> { | |
125 | let results: Bull.Job[] = [] | |
126 | ||
127 | // TODO: optimize | |
128 | for (const jobType of jobTypes) { | |
129 | const queue = this.queues[ jobType ] | |
130 | if (queue === undefined) { | |
131 | logger.error('Unknown queue %s to list jobs.', jobType) | |
132 | continue | |
133 | } | |
134 | ||
135 | // FIXME: Bull queue typings does not have getJobs method | |
136 | const jobs = await (queue as any).getJobs(state, 0, start + count, asc) | |
137 | results = results.concat(jobs) | |
138 | } | |
139 | ||
140 | results.sort((j1: any, j2: any) => { | |
141 | if (j1.timestamp < j2.timestamp) return -1 | |
142 | else if (j1.timestamp === j2.timestamp) return 0 | |
143 | ||
144 | return 1 | |
145 | }) | |
146 | ||
147 | if (asc === false) results.reverse() | |
148 | ||
149 | return results.slice(start, start + count) | |
150 | } | |
151 | ||
152 | async count (state: JobState): Promise<number> { | |
153 | let total = 0 | |
154 | ||
155 | for (const type of jobTypes) { | |
156 | const queue = this.queues[ type ] | |
157 | if (queue === undefined) { | |
158 | logger.error('Unknown queue %s to count jobs.', type) | |
159 | continue | |
160 | } | |
161 | ||
162 | const counts = await queue.getJobCounts() | |
163 | ||
164 | total += counts[ state ] | |
165 | } | |
166 | ||
167 | return total | |
168 | } | |
169 | ||
170 | async removeOldJobs () { | |
171 | for (const key of Object.keys(this.queues)) { | |
172 | const queue = this.queues[key] | |
173 | await queue.clean(JOB_COMPLETED_LIFETIME, 'completed') | |
174 | } | |
175 | } | |
176 | ||
177 | private addRepeatableJobs () { | |
178 | this.queues['videos-views'].add({}, { | |
179 | repeat: REPEAT_JOBS['videos-views'] | |
180 | }) | |
181 | } | |
182 | ||
183 | static get Instance () { | |
184 | return this.instance || (this.instance = new this()) | |
185 | } | |
186 | } | |
187 | ||
188 | // --------------------------------------------------------------------------- | |
189 | ||
190 | export { | |
191 | JobQueue | |
192 | } |