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wiki/server/core/config.js

149 lines
3.9 KiB

const _ = require('lodash')
const chalk = require('chalk')
const cfgHelper = require('../helpers/config')
const fs = require('fs')
const path = require('path')
const yaml = require('js-yaml')
module.exports = {
/**
* Load root config from disk
*/
init(silent = false) {
let confPaths = {
config: path.join(WIKI.ROOTPATH, 'config.yml'),
data: path.join(WIKI.SERVERPATH, 'app/data.yml'),
dataRegex: path.join(WIKI.SERVERPATH, 'app/regex.js')
}
if (process.env.dockerdev) {
confPaths.config = path.join(WIKI.ROOTPATH, `dev/containers/config.yml`)
}
if (process.env.CONFIG_FILE) {
confPaths.config = path.resolve(WIKI.ROOTPATH, process.env.CONFIG_FILE)
}
if (!silent) {
process.stdout.write(chalk.blue(`Loading configuration from ${confPaths.config}... `))
}
let appconfig = {}
let appdata = {}
try {
appconfig = yaml.load(
cfgHelper.parseConfigValue(
fs.readFileSync(confPaths.config, 'utf8')
)
)
appdata = yaml.load(fs.readFileSync(confPaths.data, 'utf8'))
appdata.regex = require(confPaths.dataRegex)
if (!silent) {
console.info(chalk.green.bold(`OK`))
}
} catch (err) {
console.error(chalk.red.bold(`FAILED`))
console.error(err.message)
console.error(chalk.red.bold(`>>> Unable to read configuration file! Did you create the config.yml file?`))
process.exit(1)
}
// Merge with defaults
appconfig = _.defaultsDeep(appconfig, appdata.defaults.config)
// Override port
if (appconfig.port < 1 || process.env.HEROKU) {
appconfig.port = process.env.PORT || 80
}
if (process.env.WIKI_PORT) {
appconfig.port = process.env.WIKI_PORT || 80
}
// Load package info
const packageInfo = require(path.join(WIKI.SERVERPATH, 'package.json'))
// Load DB Password from Docker Secret File
if (process.env.DB_PASS_FILE) {
if (!silent) {
console.info(chalk.blue(`DB_PASS_FILE is defined. Will use secret from file.`))
}
try {
appconfig.db.pass = fs.readFileSync(process.env.DB_PASS_FILE, 'utf8').trim()
} catch (err) {
console.error(chalk.red.bold(`>>> Failed to read Docker Secret File using path defined in DB_PASS_FILE env variable!`))
console.error(err.message)
process.exit(1)
}
}
WIKI.config = appconfig
WIKI.data = appdata
WIKI.version = packageInfo.version
WIKI.releaseDate = packageInfo.releaseDate
WIKI.devMode = (packageInfo.dev === true)
},
/**
* Load config from DB
*/
async loadFromDb() {
let conf = await WIKI.db.settings.getConfig()
if (conf) {
WIKI.config = _.defaultsDeep(conf, WIKI.config)
} else {
WIKI.logger.warn('Missing DB Configuration!')
process.exit(1)
}
},
/**
* Save config to DB
*
* @param {Array} keys Array of keys to save
* @returns Promise
*/
async saveToDb(keys, propagate = true) {
try {
for (let key of keys) {
let value = _.get(WIKI.config, key, null)
if (!_.isPlainObject(value)) {
value = { v: value }
}
let affectedRows = await WIKI.db.settings.query().patch({ value }).where('key', key)
if (affectedRows === 0 && value) {
await WIKI.db.settings.query().insert({ key, value })
}
}
if (propagate) {
WIKI.events.outbound.emit('reloadConfig')
}
} catch (err) {
WIKI.logger.error(`Failed to save configuration to DB: ${err.message}`)
return false
}
return true
6 years ago
},
/**
* Apply Dev Flags
*/
async applyFlags() {
WIKI.db.knex.client.config.debug = WIKI.config.flags.sqlLog
},
/**
* Subscribe to HA propagation events
*/
subscribeToEvents() {
WIKI.events.inbound.on('reloadConfig', async () => {
await WIKI.configSvc.loadFromDb()
await WIKI.configSvc.applyFlags()
})
}
}