Make webserver start/stop use callback

lib/modules/webserver/index.js

@@ -17,13 +17,14 @@ class WebServer {
     this.port = options.port || this.webServerConfig.port;
 
     this.events.emit("status", __("Starting Server"));
-    this.server = new Server({logger: this.logger, host: this.host, port: this.port});
+    this.server = new Server({host: this.host, port: this.port});
 
     this.setServiceCheck();
     this.listenToCommands();
     this.registerConsoleCommands();
 
-    this.server.start();
+    let self = this;
+    this.server.start((_err, message) => self.logger.info(message));
   }
 
   setServiceCheck() {
@@ -43,8 +44,8 @@ class WebServer {
   }
 
   listenToCommands() {
-    this.events.setCommandHandler('start-webserver', () => { this.server.start(); });
-    this.events.setCommandHandler('stop-webserver',  () => { this.server.stop();  });
+    this.events.setCommandHandler('start-webserver', (callback) => this.server.start(callback));
+    this.events.setCommandHandler('stop-webserver',  (callback) => this.server.stop(callback));
   }
 
   registerConsoleCommands() {
@@ -52,20 +53,14 @@ class WebServer {
     self.embark.registerConsoleCommand((cmd, _options) => {
       return {
         match: () => cmd === "webserver start",
-        process: (callback) => {
-          self.events.request("start-webserver");
-          callback(null, "OK");
-        }
-      };
+        process: (callback) => self.events.request("start-webserver", callback)
+      }
     });
 
     self.embark.registerConsoleCommand((cmd, _options) => {
       return {
         match: () => cmd === "webserver stop",
-        process: (callback) => {
-          self.events.request("stop-webserver");
-          callback(null, "OK");
-        }
+        process: (callback) => self.events.request("stop-webserver", callback)
       };
     });
   }

lib/modules/webserver/server.js

@@ -9,19 +9,14 @@ class Server {
     this.dist = options.dist || 'dist/';
     this.port = options.port || 8000;
     this.hostname = dockerHostSwap(options.host) || defaultHost;
-    this.logger = options.logger;
   }
 
   start(callback) {
     if (this.server && this.server.listening) {
-      this.logger.warn(__("a webserver is already running at") +
-                       " " +
-                       ("http://" + canonicalHost(this.hostname) +
-                        ":" + this.port).bold.underline.green);
-      if (callback) {
-        callback();
-      }
-      return;
+      let message = __("a webserver is already running at") + " " +
+                      ("http://" + canonicalHost(this.hostname) +
+                      ":" + this.port).bold.underline.green;
+      return callback(null, message);
     }
     let serve = serveStatic(this.dist, {'index': ['index.html', 'index.htm']});
 
@@ -29,28 +24,20 @@ class Server {
       serve(req, res, finalhandler(req, res));
     }).withShutdown();
 
-    this.logger.info(__("webserver available at") +
-                     " " +
-                     ("http://" + canonicalHost(this.hostname) +
-                      ":" + this.port).bold.underline.green);
+    let message = __("webserver available at") +
+                    " " +
+                    ("http://" + canonicalHost(this.hostname) +
+                    ":" + this.port).bold.underline.green;
     this.server.listen(this.port, this.hostname);
-    if (callback) {
-      callback();
-    }
+    callback(null, message);
   }
 
   stop(callback) {
     if (!this.server || !this.server.listening) {
-      this.logger.warn(__("no webserver is currently running"));
-      if (callback) {
-        callback();
-      }
-      return;
+      return callback(null, __("no webserver is currently running"));
     }
     this.server.shutdown(function() {
-      if (callback) {
-        callback();
-      }
+      callback(null, __("Webserver stopped"));
     });
   }