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