how to get WSendpoint of a puppeteer-cluster browser - puppeteer

Question

in a project that requires:
Starting each session with logging in credentials + notification/OTP
work with multiple accounts asynchronously
remote debugging or monitoring of the session
5+ different operations can be requested on a open session , in any order
I want it to be a puppeteer cluster browser with one remote debugging port to monitor it
but couldn't integrate WsEndpoints
const puppeteer = require('puppeteer-extra');
const { Cluster } = require('puppeteer-cluster');
class SingleBrowserCluster {
browserInstance
options
constructor() {
if (SingleBrowserCluster._instance) {
//throw new Error("Singleton classes can't be instantiated more than once.")
}
else{
SingleBrowserCluster._instance = this;
// ... Your rest of the constructor code goes after this
console.log("pre optArgs");
const optArgs = [
'--remote-debugging-port=3002',//works if dockerised
'--remote-debugging-address=0.0.0.0',// at localhost.3002
'--window-size=1920,1080',
'--no-sandbox',
'--disable-setuid-sandbox',
'--disable-gpu', '--no-zygote', //'--single-process',
];
console.log("pre options");
this.options = {
headless: true,//for dockerization
args: optArgs,
defaultViewport: null,
waitUntil: 'networkidle2'
};
console.log("Do launch now");
return this;
}
}
async screenshotMethod({ page, data: url }) {
await page.goto(url);
console.log(`%c worker X is running on ${url} `, `color:green;`);
console.log("will wait 20 second");
await page.waitForTimeout(20000)
const path = url.replace(/[^a-zA-Z]/g, '_') + '.png';
await page.screenshot({ path });
};
async launchCluster (){
try {
this.browserInstance = await Cluster.launch({
concurrency: Cluster.CONCURRENCY_CONTEXT,
maxConcurrency: 3,
puppeteerOptions: this.options
})
console.log(this.browserInstance);
return this.browserInstance;
} catch (error) {
console.log(`%c ERRORR`,`color:red;`);
console.log(error);
}
}
}
const StartScraper = async (Url, useProxy) => new Promise((resolve, reject) => {
(async () => {
// get proxy url from environment files
const proxyUrl = process.env.PROXY_URL;
//--disable-dev-shm-usage
// By default, Docker runs a container with a /dev/shm shared memory space 64MB. This is typically too small for Chrome and will cause Chrome to crash when rendering large pages.
//his will write shared memory files into /tmp instead of /dev/shm. See crbug.com/736452 for more details.
var instanceOne1= new SingleBrowserCluster()//.launchCluster()
var browser= await instanceOne1.launchCluster();
browser.queue('https://www.google.com/', instanceOne1.screenshotMethod);
//THE PROBLEM LINE
const wsEndpoint = browser.wsEndpoint();
try {
const page = (await browser.pages())[0];
await page.goto(Url, { waitUntil: 'load' });
return resolve(wsEndpoint);
} catch (e) {
browser.close();
return reject(false);
}
})();
});
how can i have WSendpoint of any session in a puppeteer-cluster
( more info:
i will put those in a session file
to provide my next selected consequtive operation a connection point on its session
localhost/StartScraper creates WSendpoint
localhost/login==WSendpoint==>Connects to existing session do login stuff
localhost/listItems==WSendpoint==>Connects to existing session do listItems stuff
...
)