Ghost/ghost/job-manager/test/examples/graceful-shutdown.js

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/* eslint-disable no-console */
const pWaitFor = require('p-wait-for');
const path = require('path');
const setTimeoutPromise = require('util').promisify(setTimeout);
const JobManager = require('../../lib/job-manager');
const jobManager = new JobManager({
info: console.log,
warn: console.log,
error: console.log
});
process.on('SIGINT', () => {
shutdown('SIGINT');
});
async function shutdown(signal) {
console.log(`shutting down via: ${signal}`);
await jobManager.shutdown();
}
(async () => {
jobManager.scheduleJob('every 10 days', path.resolve(__dirname, '../jobs/graceful.js'));
await setTimeoutPromise(100); // allow job to get scheduled
await pWaitFor(() => Object.keys(jobManager.bree.workers).length === 0);
process.exit(0);
})();