Jonatan Nilsson
d519996959
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Lib: Add restart support to shut down server. Runner: Add better logging when shut down request is sent. Many: Add bunch of event emitters for interested parties
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
import cluster from 'cluster'
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import Util from './util.mjs'
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import fs from 'fs/promises'
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import getLog, { getDefaultStreams } from './log.mjs'
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import GetDB from './db.mjs'
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import Core from './core.mjs'
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export async function runner(root_import_meta_url, configname = 'config.json', dbname = 'db.json') {
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if (!root_import_meta_url) {
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throw new Error('ServiceRunner must be called with the full string from "import.meta.url" from a file residing in the root directory')
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}
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const util = new Util(root_import_meta_url)
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let config = configname
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if (typeof(config) === 'string') {
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let fullpath = util.getPathFromRoot('./' + config)
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try {
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config = JSON.parse(await fs.readFile(fullpath))
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} catch (err) {
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throw new Error(`critical error opening ${fullpath}: ${err.message}`)
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}
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}
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let streams = getDefaultStreams()
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if (cluster.isWorker) {
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streams[0].level = 'error'
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}
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const log = getLog(config.name, streams)
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runner.log = log
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const db = await GetDB(config, log, util.getPathFromRoot('./' + dbname))
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const core = new Core(db, util, log, function(msg) {
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let err = new Error('Got request to restart' + (msg ? ': ' + msg : ''))
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runner.log.fatal(err)
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process.exit(0)
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})
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await core.init()
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await core.run()
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return core
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}
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runner.log = getLog('runner')
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