Host ******* HostName *******を吐くやつ

ec2_ssh_config.user.js

// ==UserScript==
// @name EC2 Instances SSH Config Maker
// @namespace http://dolpen.net/
// @description そこにあるインスタンスをとにかく全部 ~/.ssh/configに突っ込みたいのだ
// @include https://console.aws.amazon.com/ec2/v2/home*
// @match https://console.aws.amazon.com/ec2/v2/home*
// ==/UserScript==

(function (d, w) {
    var nt = function (node) {
        switch (node.nodeType) {
            case 1:
                var c = node.childNodes;
                var t = [];
                for (var i = 0; i < c.length; i++) t.push(nt(c[i]));
                return t.join('');
            case 3:
                return node.nodeValue;
        }
        return '';
    };
    String.prototype.trim = function () {
        return this.replace(/^\s+|\s+$/g, '');
    };
    var reg = '';
    var hashes = location.search.replace(/^\?/g, '').split('&');
    for (var i = 0; i < hashes.length; i++) {
        var kv = hashes[i].split('=');
        if (kv[0] == 'region')reg = '.' + kv[1];
    }
    var baseStyle = {
        position: 'absolute',
        bottom: '0',
        left: '0',
        background: 'white',
        zIndex: '10000'
    };
    var base = d.createElement('div');
    base.setAttribute('id', 'gm_base');
    for (var i in baseStyle)base.style[i] = baseStyle[i];
    var textarea = d.createElement('textarea');
    textarea.setAttribute('rows', '20');
    textarea.setAttribute('cols', '80');
    textarea.style['display'] = 'none';
    var button = d.createElement('button');
    button.appendChild(d.createTextNode('EC2 Instances SSH Config Maker'));
    button.addEventListener('click', function () {
        if (location.href.indexOf('#Instances') < 0)return;
        var prefix = prompt('接頭辞を付けますか？','');
        if(prefix==null)prefix='';
        var region = confirm('接尾辞に今のリージョンを付けますか？\n例 : "'+reg+'"')?reg:'';
        var $rows = d.querySelectorAll('tr[__gwt_row]');
        var out = '';
        for (var i = 0; i < $rows.length; i++) {
            var $cols = $rows.item(i).querySelectorAll('td div[__gwt_cell]');
            var host = nt($cols.item(1)).trim();
            var hostname = nt($cols.item(8)).trim();
            if (hostname != '')
                out += 'Host ' + prefix + host + region + '\n  HostName ' + hostname + '\n';
        }
        while (textarea.firstChild)textarea.removeChild(textarea.firstChild);
        textarea.appendChild(d.createTextNode(out));
        textarea.style['display'] = 'block';
        //console.log(out);
    });
    base.appendChild(button);
    base.appendChild(textarea);
    d.body.appendChild(base);
})(document, window);