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var httpProxy = require('http-proxy');

var re = /\/graphite(\/.*)/;

httpProxy.createServer(function (req, res, proxy) {
  var match;
  if ((match = re.exec(req.url))) {
    console.log('Rewriting req.url to ' + match[1]);
    req.url = match[1];

    return proxy.proxyRequest(req, res, {
      port: 9000, // CHANGE TO GRAPHITE PORT
      host: 'wtf-graphite-frontend-host', // CHANGE TO DJANGO FRONT-END,
    });
  }

  console.log('Non graphite traffic');
  res.writeHead(500, { 'Content-Type': 'application/json' });
  res.write(JSON.stringify({ error: 'not implemented' }));
  res.end();
}).listen(8080);

console.log('Proxying graphite traffic at http://localhost:8080')