A simple remote download script for pkgcloud and rackspace

remote-download.js

var fs = require('fs'),
    zlib = require('zlib'),
    tar = require('tar'),
    pkgcloud = require('pkgcloud'),
    argv = require('optimist').argv;
 
var client = pkgcloud.storage.createClient({
  provider: argv.p,
  username: argv.u,
  apiKey: argv.k
});
 
if (!argv.r || !argv.p || !argv.u || !argv.k || !argv.c) {
  return console.log('usage: remote-download -r remote-filename.tgz -p provider -u username -k api-key -c container');
}
 
function onError(err) {
  console.error(err);
}
 
client.auth(function () {
  var stream = client.download({
    remote: argv.r,
    container: argv.c
  });
 
  stream
    .pipe(zlib.Gunzip())
    .on('error', onError)
    .pipe(tar.Extract({ path: 'downloaded' }))
    .on('error', onError)
    .on('end', function () {
      console.log('completed!');
    });
})