tampermonkey-remove-cloudwatch-insights-banner.js

// ==UserScript==
// @name         AWS - Cloudwatch - Remove Insights Trial Banner
// @namespace    https://github.com/david-duncan
// @version      0.1
// @description  AWS cloudwatch has an annoying insights trial banner that pops up everytime. This removes it permanently
// @author       David Duncan
// @grant        none
// @match        https://console.aws.amazon.com/cloudwatch/*
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    var retries = 0;

    function clearButton() {
        // we find a try button, because i'm assuming AWS is using styled components and the class names are unstable
        var tryButton = document.getElementById('gwt-debug-tryNowButton');
        if (tryButton) {
            // go a few levels up
            var firstParent = tryButton.parentNode;
            if (firstParent) {
                var secondParent = firstParent.parentNode;
                if (secondParent) {
                    var thirdParent = secondParent.parentNode;
                    if (thirdParent) {
                        thirdParent.remove();    
                        window.dispatchEvent( new Event("resize") );
                    }
                }
            }
        } else {
            // didnt find our button, page is loading slowly or it doesnt exist, bump retries, and try a few more times...
            retries ++;
            if (retries < 3) {
                setTimeout(clearButton, 5000);
            }
        }
    }

    setTimeout(clearButton, 5000);
})();