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wiki/server/core/kernel.mjs

116 lines
2.9 KiB

import { padEnd } from 'lodash-es'
import eventemitter2 from 'eventemitter2'
import NodeCache from 'node-cache'
import asar from './asar.mjs'
import db from './db.mjs'
import extensions from './extensions.mjs'
import scheduler from './scheduler.mjs'
import servers from './servers.mjs'
let isShuttingDown = false
export default {
async init() {
WIKI.logger.info('=======================================')
WIKI.logger.info(`= Wiki.js ${padEnd(WIKI.version + ' ', 29, '=')}`)
WIKI.logger.info('=======================================')
WIKI.logger.info('Initializing...')
WIKI.logger.info(`Running node.js ${process.version}`)
WIKI.db = await db.init()
try {
await WIKI.db.onReady
await WIKI.configSvc.loadFromDb()
await WIKI.configSvc.applyFlags()
} catch (err) {
WIKI.logger.error('Database Initialization Error: ' + err.message)
if (WIKI.IS_DEBUG) {
WIKI.logger.error(err)
}
process.exit(1)
}
this.bootWeb()
},
/**
* Pre-Web Boot Sequence
*/
async preBootWeb() {
try {
WIKI.cache = new NodeCache({ checkperiod: 0 })
WIKI.scheduler = await scheduler.init()
WIKI.servers = servers
WIKI.events = {
inbound: new eventemitter2.EventEmitter2(),
outbound: new eventemitter2.EventEmitter2()
}
WIKI.extensions = extensions
WIKI.asar = asar
} catch (err) {
WIKI.logger.error(err)
process.exit(1)
}
},
/**
* Boot Web Process
*/
async bootWeb() {
try {
await this.preBootWeb()
await (await import('../web.mjs')).init()
this.postBootWeb()
} catch (err) {
WIKI.logger.error(err)
process.exit(1)
}
},
/**
* Post-Web Boot Sequence
*/
async postBootWeb() {
await WIKI.db.analytics.refreshProvidersFromDisk()
await WIKI.db.authentication.refreshStrategiesFromDisk()
await WIKI.db.commentProviders.refreshProvidersFromDisk()
await WIKI.db.renderers.refreshRenderersFromDisk()
await WIKI.db.storage.refreshTargetsFromDisk()
await WIKI.extensions.init()
await WIKI.auth.activateStrategies()
await WIKI.db.commentProviders.initProvider()
await WIKI.db.sites.reloadCache()
await WIKI.db.storage.initTargets()
await WIKI.db.subscribeToNotifications()
await WIKI.scheduler.start()
},
/**
* Graceful shutdown
*/
async shutdown (devMode = false) {
if (isShuttingDown) { return }
isShuttingDown = true
if (WIKI.servers) {
await WIKI.servers.stopServers()
}
if (WIKI.scheduler) {
await WIKI.scheduler.stop()
}
if (WIKI.models) {
await WIKI.db.unsubscribeToNotifications()
if (WIKI.db.knex) {
await WIKI.db.knex.destroy()
}
}
if (WIKI.asar) {
await WIKI.asar.unload()
}
if (!devMode) {
WIKI.logger.info('Terminating process...')
process.exit(0)
}
}
}