167 lines
5.2 KiB
TypeScript
167 lines
5.2 KiB
TypeScript
import * as Bull from 'bull'
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import { JobState, JobType } from '../../../shared/models'
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import { logger } from '../../helpers/logger'
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import { Redis } from '../redis'
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import { CONFIG, JOB_ATTEMPTS, JOB_COMPLETED_LIFETIME, JOB_CONCURRENCY, JOB_REQUEST_TTL } from '../../initializers'
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import { ActivitypubHttpBroadcastPayload, processActivityPubHttpBroadcast } from './handlers/activitypub-http-broadcast'
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import { ActivitypubHttpFetcherPayload, processActivityPubHttpFetcher } from './handlers/activitypub-http-fetcher'
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import { ActivitypubHttpUnicastPayload, processActivityPubHttpUnicast } from './handlers/activitypub-http-unicast'
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import { EmailPayload, processEmail } from './handlers/email'
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import { processVideoFile, processVideoFileImport, VideoFileImportPayload, VideoFilePayload } from './handlers/video-file'
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import { ActivitypubFollowPayload, processActivityPubFollow } from './handlers/activitypub-follow'
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type CreateJobArgument =
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{ type: 'activitypub-http-broadcast', payload: ActivitypubHttpBroadcastPayload } |
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{ type: 'activitypub-http-unicast', payload: ActivitypubHttpUnicastPayload } |
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{ type: 'activitypub-http-fetcher', payload: ActivitypubHttpFetcherPayload } |
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{ type: 'activitypub-follow', payload: ActivitypubFollowPayload } |
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{ type: 'video-file-import', payload: VideoFileImportPayload } |
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{ type: 'video-file', payload: VideoFilePayload } |
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{ type: 'email', payload: EmailPayload }
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const handlers: { [ id in JobType ]: (job: Bull.Job) => Promise<any>} = {
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'activitypub-http-broadcast': processActivityPubHttpBroadcast,
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'activitypub-http-unicast': processActivityPubHttpUnicast,
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'activitypub-http-fetcher': processActivityPubHttpFetcher,
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'activitypub-follow': processActivityPubFollow,
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'video-file-import': processVideoFileImport,
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'video-file': processVideoFile,
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'email': processEmail
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}
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const jobsWithRequestTimeout: { [ id in JobType ]?: boolean } = {
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'activitypub-http-broadcast': true,
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'activitypub-http-unicast': true,
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'activitypub-http-fetcher': true,
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'activitypub-follow': true
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}
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const jobTypes: JobType[] = [
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'activitypub-follow',
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'activitypub-http-broadcast',
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'activitypub-http-fetcher',
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'activitypub-http-unicast',
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'email',
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'video-file',
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'video-file-import'
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]
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class JobQueue {
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private static instance: JobQueue
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private queues: { [ id in JobType ]?: Bull.Queue } = {}
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private initialized = false
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private jobRedisPrefix: string
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private constructor () {}
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async init () {
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// Already initialized
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if (this.initialized === true) return
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this.initialized = true
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this.jobRedisPrefix = 'bull-' + CONFIG.WEBSERVER.HOST
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const queueOptions = {
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prefix: this.jobRedisPrefix,
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redis: Redis.getRedisClient()
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}
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for (const handlerName of Object.keys(handlers)) {
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const queue = new Bull(handlerName, queueOptions)
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const handler = handlers[handlerName]
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queue.process(JOB_CONCURRENCY[handlerName], handler)
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.catch(err => logger.error('Cannot execute job queue %s.', handlerName, { err }))
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queue.on('error', err => {
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logger.error('Error in job queue %s.', handlerName, { err })
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process.exit(-1)
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})
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this.queues[handlerName] = queue
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}
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}
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createJob (obj: CreateJobArgument) {
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const queue = this.queues[obj.type]
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if (queue === undefined) {
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logger.error('Unknown queue %s: cannot create job.', obj.type)
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throw Error('Unknown queue, cannot create job')
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}
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const jobArgs: Bull.JobOptions = {
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backoff: { delay: 60 * 1000, type: 'exponential' },
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attempts: JOB_ATTEMPTS[obj.type]
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}
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if (jobsWithRequestTimeout[obj.type] === true) {
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jobArgs.timeout = JOB_REQUEST_TTL
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}
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return queue.add(obj.payload, jobArgs)
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}
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async listForApi (state: JobState, start: number, count: number, asc?: boolean): Promise<Bull.Job[]> {
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let results: Bull.Job[] = []
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// TODO: optimize
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for (const jobType of jobTypes) {
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const queue = this.queues[ jobType ]
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if (queue === undefined) {
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logger.error('Unknown queue %s to list jobs.', jobType)
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continue
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}
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// FIXME: Bull queue typings does not have getJobs method
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const jobs = await (queue as any).getJobs(state, 0, start + count, asc)
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results = results.concat(jobs)
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}
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results.sort((j1: any, j2: any) => {
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if (j1.timestamp < j2.timestamp) return -1
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else if (j1.timestamp === j2.timestamp) return 0
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return 1
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})
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if (asc === false) results.reverse()
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return results.slice(start, start + count)
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}
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async count (state: JobState): Promise<number> {
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let total = 0
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for (const type of jobTypes) {
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const queue = this.queues[ type ]
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if (queue === undefined) {
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logger.error('Unknown queue %s to count jobs.', type)
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continue
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}
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const counts = await queue.getJobCounts()
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total += counts[ state ]
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}
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return total
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}
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removeOldJobs () {
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for (const key of Object.keys(this.queues)) {
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const queue = this.queues[key]
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queue.clean(JOB_COMPLETED_LIFETIME, 'completed')
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}
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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JobQueue
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}
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