Scrapes an AWS EC2 instance page and copies the ssh login command to the clipboard

ec2-login-bookmarklet

// Configure the pemDir value (or make empty for current directory) and generate a bookmarklet (http://bookmarklets.org/maker/)
// Use the bookmarklet in the AWS dashboard on an EC2 instance page
// Paste into terminal shell
// Voila!

var pemDir = '/path/to/directory/with/pem/files/';

var elts = document.getElementsByTagName("DIV");
var dns = valueOf('Public DNS (IPv4)');
if (!dns) { return; }
var keyPair = valueOf('Key pair name');
if (!keyPair) { return; }

var cb = document.createElement('TEXTAREA');
var cmd = 'ssh -i "' + pemDir + keyPair + '.pem" ec2-user@' + dns;

cb.value = cmd;
document.body.appendChild(cb);
cb.select();
document.execCommand('copy');
document.body.removeChild(cb);

// Key pair name
function valueOf(name) {
	var labelElt = [].find.call(elts, function (e) { return e.innerText === name; });
	if (!labelElt) {
		console && console.error('Could not find "' + name + '" label');
		return undefined;
	}
	var valueElt = labelElt.nextSibling;
	if (!valueElt) {
		console && console.error('Could not find "' + name + '" value');
		return undefined;
	}

	var value = valueElt.innerText;
	console && console.info(name + ': ' + value);
	return value;
}