remote-download.js

var fs = require('fs'),
  zlib = require('zlib'),
  tar = require('tar'),
  pkgcloud = require('pkgcloud'),
  log = require('../../common/logging'),
  argv = require('optimist').argv;

var logger = log.getLogger('debug');

var client = pkgcloud.storage.createClient({
  provider: argv.p,
  username: argv.u,
  apiKey: argv.k,
  region: argv.R
});

client.on('log::*', log.logFunction);

if (!argv.r || !argv.p || !argv.u || !argv.k || !argv.c || !argv.R) {
  return console.log('usage: remote-download -r remote-filename.tgz -p provider -u username -k api-key -c container -R region');
}

function onError(err) {
  console.error(err);
}

client.download({
  remote: argv.r,
  container: argv.c
})
  .pipe(zlib.Gunzip())
  .on('error', onError)
  .pipe(tar.Extract({ path: 'downloaded' }))
  .on('error', onError)
  .on('end', function () {
    console.log('completed!');
  });