Make the docker proxy work

src/dockerproxy.js

@@ -6,48 +6,76 @@ exports = module.exports = {
 };
 
 var assert = require('assert'),
+    bodyParser = require('body-parser'),
     config = require('./config.js'),
     debug = require('debug')('box:dockerproxy'),
-    http = require('http');
+    http = require('http'),
+    net = require('net');
 
 var gServer = null;
 
 function start(callback) {
     assert.strictEqual(typeof callback, 'function');
 
+    var parser = bodyParser.json();
+
     function interceptor(req, res) {
-        debug(`request: ${req.method} ${req.url}`);
+        console.log(`request: ${req.method} ${req.url}`, req.body);
+
+        if (req.method === 'POST' && req.url.match(/\/containers\/create/)) {
+            debug('patching container creation');
+        }
+
         return false;
     }
 
     debug(`startDockerProxy: starting proxy on port ${config.get('dockerProxyPort')}`);
 
+
     gServer = http.createServer(function (req, res) {
         if (interceptor(req, res)) return;
 
-        // rejectUnauthorized should not be required but it doesn't work without it
         var options = {
             socketPath: '/var/run/docker.sock',
             method: req.method,
             path: req.url,
-            headers: req.headers,
-            rejectUnauthorized: false
+            headers: req.headers
         };
 
         var dockerRequest = http.request(options, function (dockerResponse) {
             res.writeHead(dockerResponse.statusCode, dockerResponse.headers);
-            dockerResponse.on('error', console.error);
+
+            // Force node to send out the headers, this is required for the /container/wait api to make the docker cli proceed
+            res.write(' ');
+
+            dockerResponse.on('error', function (error) { console.error('dockerResponse error:', error); });
             dockerResponse.pipe(res, { end: true });
         });
 
-        req.on('error', console.error);
+        req.on('error', function (error) { console.error('req error:', error); });
+
         if (!req.readable) {
             dockerRequest.end();
         } else {
             req.pipe(dockerRequest, { end: true });
         }
-
     }).listen(config.get('dockerProxyPort'), callback);
+
+    gServer.on('upgrade', function (req, client, head) {
+        // Create a new tcp connection to the TCP server
+        var remote = net.connect('/var/run/docker.sock', function () {
+            // two-way pipes between client and docker daemon
+            client.pipe(remote).pipe(client);
+
+            // resend the upgrade event to the docker daemon, so it responds with the proper message through the pipes
+            remote.write(req.method + ' ' + req.url + ' HTTP/1.1\r\n' +
+                `Host: ${req.headers.host}\r\n` +
+                'Connection: Upgrade\r\n' +
+                'Upgrade: tcp\r\n' +
+                '\r\n'
+            );
+        });
+    });
 }
 
 function stop(callback) {