VPN SMS control

gistfile1.js

var sys = require('sys'),
    smsified = require('smsified'),
    http = require('http'),
    spawn = require('child_process').spawn;

var sms = new SMSified('USERNAME', 'PASSWORD');


var server = http.createServer(function(req, res) {
    req.addListener('data', function(data){
        var json = JSON.parse(data);
        var inbound = new InboundMessage(json);
        sys.puts('Inbound message: ' + inbound.message);

        if(inbound.message == 'Start') {
            exec('/home/ubuntu/bin/vpn-start');
        } else if(inbound.message == 'Stop') {
            exec('/home/ubuntu/bin/vpn-stop');
        } else if(inbound.message == 'Status') {
            exec('/home/ubuntu/bin/vpn-status');
        }


    });

    res.writeHead(200);
    res.end();

}).listen(8811);

function exec(cmd) {
    var vpn_start = spawn(cmd.replace(/^\s\s*/, '')),
        d = [];
    vpn_start.stdout.on('data', function(data) {
        d.push(data);
    });
    vpn_start.stderr.on('data', function(data) {
        d.push(data);
    });
    vpn_start.on('exit', function(code) {
        d.push('exited with code: ' + code);
        d = d.join('\n');
        console.log(d);
        send(d);
    });
}

function send(msg) {

    var options = {senderAddress : 'FROM_NUMBER', address : 'MY_PHONE_NUMBER', message : msg};

    sms.sendMessage(options, function(result) {
            sys.puts(sys.inspect(result));
    });

}

vpn-start

#!/bin/bash
ec2-start-instances -U https://ec2.eu-west-1.amazonaws.com INSTANCE-ID
IP=`ec2-allocate-address -U https://ec2.eu-west-1.amazonaws.com | awk '{print $2}'`
ec2-associate-address -U https://ec2.eu-west-1.amazonaws.com -i INSTANCE-ID $IP
echo $IP > .ip

vpn-stop

#!/bin/bash
ec2-stop-instances -U https://ec2.eu-west-1.amazonaws.com INSTANCE_ID
IP=`cat .ip`
ec2-disassociate-address -U https://ec2.eu-west-1.amazonaws.com $IP
ec2-release-address -U https://ec2.eu-west-1.amazonaws.com $IP