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