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wiki/server/core/kernel.js

108 lines
2.6 KiB

const _ = require('lodash')
const EventEmitter = require('eventemitter2').EventEmitter2
let isShuttingDown = false
module.exports = {
async init() {
WIKI.logger.info('=======================================')
WIKI.logger.info(`= Wiki.js ${_.padEnd(WIKI.version + ' ', 29, '=')}`)
WIKI.logger.info('=======================================')
WIKI.logger.info('Initializing...')
WIKI.db = require('./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 = require('./cache').init()
WIKI.scheduler = await require('./scheduler').init()
WIKI.servers = require('./servers')
WIKI.events = {
inbound: new EventEmitter(),
outbound: new EventEmitter()
}
WIKI.extensions = require('./extensions')
WIKI.asar = require('./asar')
} catch (err) {
WIKI.logger.error(err)
process.exit(1)
}
},
/**
* Boot Web Process
*/
async bootWeb() {
try {
await this.preBootWeb()
await require('../web')()
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)
}
}
}