From 4a43273ee5a060df489d7a234345557e0f18c801 Mon Sep 17 00:00:00 2001
From: Victor Felder <victorfelder@gmail.com>
Date: Sun, 2 Oct 2016 20:07:25 +0200
Subject: [PATCH] Show current version in web UI

---
 web.go                                      | 13 +++++++++++++
 webui/src/app/core/version.resource.js      | 14 ++++++++++++++
 webui/src/app/version/version.controller.js | 10 ++++++++++
 webui/src/app/version/version.module.js     | 11 +++++++++++
 webui/src/index.html                        |  5 +++++
 webui/src/index.js                          |  4 +++-
 6 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 webui/src/app/core/version.resource.js
 create mode 100644 webui/src/app/version/version.controller.js
 create mode 100644 webui/src/app/version/version.module.js

diff --git a/web.go b/web.go
index 97b31ff17..65a10f392 100644
--- a/web.go
+++ b/web.go
@@ -15,6 +15,7 @@ import (
 	"github.com/containous/traefik/middlewares"
 	"github.com/containous/traefik/safe"
 	"github.com/containous/traefik/types"
+	"github.com/containous/traefik/version"
 	"github.com/elazarl/go-bindata-assetfs"
 	"github.com/thoas/stats"
 	"github.com/unrolled/render"
@@ -60,6 +61,7 @@ func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessag
 	systemRouter.Methods("GET").Path("/ping").HandlerFunc(provider.getPingHandler)
 	// API routes
 	systemRouter.Methods("GET").Path("/api").HandlerFunc(provider.getConfigHandler)
+	systemRouter.Methods("GET").Path("/api/version").HandlerFunc(provider.getVersionHandler)
 	systemRouter.Methods("GET").Path("/api/providers").HandlerFunc(provider.getConfigHandler)
 	systemRouter.Methods("GET").Path("/api/providers/{provider}").HandlerFunc(provider.getProviderHandler)
 	systemRouter.Methods("PUT").Path("/api/providers/{provider}").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
@@ -144,6 +146,17 @@ func (provider *WebProvider) getConfigHandler(response http.ResponseWriter, requ
 	templatesRenderer.JSON(response, http.StatusOK, currentConfigurations)
 }
 
+func (provider *WebProvider) getVersionHandler(response http.ResponseWriter, request *http.Request) {
+	v := struct {
+		Version  string
+		Codename string
+	}{
+		Version:  version.Version,
+		Codename: version.Codename,
+	}
+	templatesRenderer.JSON(response, http.StatusOK, v)
+}
+
 func (provider *WebProvider) getProviderHandler(response http.ResponseWriter, request *http.Request) {
 	vars := mux.Vars(request)
 	providerID := vars["provider"]
diff --git a/webui/src/app/core/version.resource.js b/webui/src/app/core/version.resource.js
new file mode 100644
index 000000000..5ec80d56d
--- /dev/null
+++ b/webui/src/app/core/version.resource.js
@@ -0,0 +1,14 @@
+'use strict';
+var angular = require('angular');
+
+var traefikCoreVersion = 'traefik.core.version';
+module.exports = traefikCoreVersion;
+
+angular
+  .module(traefikCoreVersion, ['ngResource'])
+  .factory('Version', Version);
+
+  /** @ngInject */
+  function Version($resource) {
+    return $resource('../api/version');
+  }
diff --git a/webui/src/app/version/version.controller.js b/webui/src/app/version/version.controller.js
new file mode 100644
index 000000000..373f28b06
--- /dev/null
+++ b/webui/src/app/version/version.controller.js
@@ -0,0 +1,10 @@
+'use strict';
+
+/** @ngInject */
+function VersionController($scope, $interval, $log, Version) {
+  Version.get(function (version) {
+    $scope.version = version;
+  });
+}
+
+module.exports = VersionController;
diff --git a/webui/src/app/version/version.module.js b/webui/src/app/version/version.module.js
new file mode 100644
index 000000000..991ed2474
--- /dev/null
+++ b/webui/src/app/version/version.module.js
@@ -0,0 +1,11 @@
+'use strict';
+var angular = require('angular');
+var traefikCoreVersion = require('../core/version.resource');
+var VersionController = require('./version.controller');
+
+var traefikVersion = 'traefik.version';
+module.exports = traefikVersion;
+
+angular
+  .module(traefikVersion, [traefikCoreVersion])
+  .controller('VersionController', VersionController);
diff --git a/webui/src/index.html b/webui/src/index.html
index 468431563..bec9ce4d5 100644
--- a/webui/src/index.html
+++ b/webui/src/index.html
@@ -27,6 +27,11 @@
                 <li><a ui-sref="health">Health</a></li>
               </ul>
               <ul class="nav navbar-nav navbar-right">
+                <li>
+                  <a ng-controller="VersionController" href="https://github.com/containous/traefik/tree/{{version.Version}}" target="_blank">
+                    <small>{{version.Version}} / {{version.Codename}}</small>
+                  </a>
+                </li>
                 <li>
                   <a href="https://docs.traefik.io" target="_blank">Documentation</a>
                 </li>
diff --git a/webui/src/index.js b/webui/src/index.js
index 388fbe865..3c8d09a97 100644
--- a/webui/src/index.js
+++ b/webui/src/index.js
@@ -10,6 +10,7 @@ var uiRouter = require('angular-ui-router');
 var uiBootstrap = require('angular-ui-bootstrap');
 var moment = require('moment');
 var traefikSection = require('./app/sections/sections');
+var traefikVersion = require('./app/version/version.module');
 require('./index.scss');
 require('animate.css/animate.css');
 require('nvd3/build/nv.d3.css');
@@ -28,7 +29,8 @@ angular
     ngResource,
     uiRouter,
     uiBootstrap,
-    traefikSection
+    traefikSection,
+    traefikVersion
   ])
   .run(runBlock)
   .constant('moment', moment)