data-studio-monkey-refresher.js

const puppeteer = require('puppeteer');

(() => {
  const urls = [
    'https://datastudio.google.com/u/0/reporting/XXX' // url for report 1
    'https://datastudio.google.com/u/0/reporting/YYY' // url for report 2
    // ...
  ];
  
  // helper function to check if a CSS element is present on the page
  const check = async(element, page) => (await page.$(element) !== null); 
  // the CSS selector for the Data Studio refresh button
  const refreshButtonSelector = '#reporting-app-header div.header-button-icon.refreshIcon'; 
  
  async function init(){
    return puppeteer.launch({
      ignoreHTTPSErrors: true,
      //headless: false, //uncomment for debugging with real Chrome on local machine
      slowMo: 250, // adds some throttling so events are not executed too fast
      args: ['--no-sandbox', '--disable-setuid-sandbox'], // flags needed for Google SSO to work
      userDataDir: './userDataDir' // directory containing user data (cookies, etc.)
    });
  };

  async function refreshReports(logger,browser) {
    var refreshPromise = new Promise( async (resolve, reject) => {
      var hasError = false;
      for(let url of urls){
        try {
          var page = await browser.newPage();
          await page.goto(url,{waitUntil:['load','networkidle2']});
          if(check(refreshButtonSelector,page)){
            await page.click(refreshButtonSelector);
            logger.info('refresh button clicked for page ' + url);
            await page.close();
          }else{
            hasError = true;
            logger.error('refresh button not found for page ' + url);
          }
        }catch(err){
          hasError = true;
          logger.error('could not refresh page ' + url + '\n' + err.message);
        }
      }
      if(hasError){ reject(); }
      else{ resolve(); }
    });
    return refreshPromise;    
  }

  module.exports = {
    init: init,
    refreshReports : refreshReports
  };
})();