salix/print/core/cluster.js

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2022-10-19 12:30:36 +00:00
const {Cluster} = require('puppeteer-cluster');
const log4js = require('log4js');
const {cpus} = require('os');
module.exports = {
init() {
if (!this.pool) {
Cluster.launch({
concurrency: Cluster.CONCURRENCY_CONTEXT,
maxConcurrency: cpus().length,
puppeteerOptions: {
args: [
'--no-sandbox',
'--disable-setuid-sandbox',
'--no-zygote'
]
}
})
.then(cluster => {
this.pool = cluster;
log4js.configure({
appenders: {
out: {type: 'stdout'}
},
categories: {default: {appenders: ['out'], level: 'info'}},
});
const logger = log4js.getLogger();
cluster.on('taskerror', (err, data, willRetry) => {
if (willRetry)
logger.warn(`[Print] => ${err.message}\nThis job will be retried`);
else
logger.error(`[Print] => ${err.message}`);
});
cluster.on('queue', () => logger.info('Printing task initialized by pool'));
});
}
}
};