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95 lines
2.3 KiB
95 lines
2.3 KiB
const _ = require('lodash')
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const cluster = require('cluster')
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const Promise = require('bluebird')
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/* global WIKI */
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module.exports = {
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numWorkers: 1,
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workers: [],
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init() {
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if (cluster.isMaster) {
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WIKI.logger.info('=======================================')
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WIKI.logger.info('= WIKI.js =============================')
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WIKI.logger.info('=======================================')
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WIKI.redis = require('./redis').init()
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WIKI.queue = require('./queue').init()
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this.setWorkerLimit()
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this.bootMaster()
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} else {
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this.bootWorker()
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}
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},
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/**
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* Pre-Master Boot Sequence
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*/
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preBootMaster() {
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return Promise.mapSeries([
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() => { return WIKI.db.onReady },
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() => { return WIKI.configSvc.loadFromDb() },
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() => { return WIKI.queue.clean() }
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], fn => { return fn() })
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},
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/**
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* Boot Master Process
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*/
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bootMaster() {
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this.preBootMaster().then(sequenceResults => {
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if (_.every(sequenceResults, rs => rs === true) && WIKI.config.configMode !== 'setup') {
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this.postBootMaster()
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} else {
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WIKI.logger.info('Starting configuration manager...')
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require('../setup')()
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}
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return true
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}).catch(err => {
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WIKI.logger.error(err)
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process.exit(1)
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})
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},
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/**
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* Post-Master Boot Sequence
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*/
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async postBootMaster() {
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await require('../master')()
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_.times(this.numWorkers, () => {
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this.spawnWorker()
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})
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WIKI.queue.uplClearTemp.add({}, {
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repeat: { cron: '*/15 * * * *' }
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})
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cluster.on('exit', (worker, code, signal) => {
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if (!global.DEV) {
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WIKI.logger.info(`Background Worker #${worker.id} was terminated.`)
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}
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})
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},
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/**
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* Boot Worker Process
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*/
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bootWorker() {
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WIKI.logger.info(`Background Worker #${cluster.worker.id} is initializing...`)
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require('../worker')
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},
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/**
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* Spawn new Worker process
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*/
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spawnWorker() {
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this.workers.push(cluster.fork())
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},
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/**
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* Set Worker count based on config + system capabilities
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*/
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setWorkerLimit() {
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const numCPUs = require('os').cpus().length
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this.numWorkers = (WIKI.config.workers > 0) ? WIKI.config.workers : numCPUs
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if (this.numWorkers > numCPUs) {
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this.numWorkers = numCPUs
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}
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}
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}
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