feat(webui): new Health screen

- add realtime chart
  - Total Status Code Count
  - Average response time
  - remove status code count
  - D3 & NVD3 & Angular NVD3

static/app/sections/health/health.controller.js

@@ -6,21 +6,199 @@
 
       var vm = this;
 
-      vm.health = Health.get();
+      vm.graph = {
+        averageResponseTime: {},
+        totalStatusCodeCount: {}
+      }
 
+      vm.graph.totalStatusCodeCount.options = {
+        "chart": {
+          type: 'discreteBarChart',
+          height: 200,
+          margin: {
+            top: 20,
+            right: 20,
+            bottom: 40,
+            left: 55
+          },
+          x: function (d) {
+            return d.label;
+          },
+          y: function (d) {
+            return d.value;
+          },
+          showValues: true,
+          valueFormat: function (d) {
+            return d3.format('d')(d);
+          },
+          transitionDuration: 50,
+          yAxis: {
+            axisLabelDistance: 30
+          }
+        },
+        "title": {
+          "enable": true,
+          "text": "Total Status Code Count",
+          "css": {
+            "textAlign": "center"
+          }
+        }
+      };
+
+      vm.graph.totalStatusCodeCount.data = [
+        {
+          key: "Total Status Code Count",
+          values: [
+            {
+              "label": "200",
+              "value": 0
+            }
+          ]
+        }
+      ];
+
+      /**
+       * Update Total Status Code Count graph
+       *
+       * @param {Object} totalStatusCodeCount Object from API
+       */
+      function updateTotalStatusCodeCount(totalStatusCodeCount) {
+
+        // extract values
+        vm.graph.totalStatusCodeCount.data[0].values = [];
+        for (var code in totalStatusCodeCount) {
+          if (totalStatusCodeCount.hasOwnProperty(code)) {
+            vm.graph.totalStatusCodeCount.data[0].values.push({
+              label: code,
+              value: totalStatusCodeCount[code]
+            })
+          }
+        }
+
+        // Update Total Status Code Count graph render
+        if (vm.graph.totalStatusCodeCount.api) {
+          vm.graph.totalStatusCodeCount.api.update();
+        } else {
+          console.error('fail');
+        }
+
+      }
+
+      vm.graph.averageResponseTime.options = {
+        chart: {
+          type: 'lineChart',
+          height: 200,
+          margin: {
+            top: 20,
+            right: 40,
+            bottom: 40,
+            left: 55
+          },
+          transitionDuration: 50,
+          x: function (d) {
+            return d.x;
+          },
+          y: function (d) {
+            return d.y;
+          },
+          useInteractiveGuideline: true,
+          xAxis: {
+            tickFormat: function (d) {
+              return d3.time.format('%X')(new Date(d));
+            }
+          },
+          yAxis: {
+            tickFormat: function (d) {
+              return d3.format(',.1f')(d);
+            }
+          }
+        },
+        "title": {
+          "enable": true,
+          "text": "Average response time",
+          "css": {
+            "textAlign": "center"
+          }
+        }
+      };
+
+      var initialPoint = {
+        x: Date.now() - 3000,
+        y: 0
+      };
+      vm.graph.averageResponseTime.data = [
+        {
+          values: [initialPoint],
+          key: 'Average response time (ms)',
+          type: 'line',
+          color: '#2ca02c'
+        }
+      ];
+
+      /**
+       * Update average response time graph
+       *
+       * @param {Number} x     Coordinate X
+       * @param {Number} y     Coordinate Y
+       */
+      function updateAverageResponseTimeGraph(x, y) {
+
+        // x multiply 1000 by because unix time is in seconds and JS Date are in milliseconds
+        var data = {
+          x: x * 1000,
+          y: y * 1000
+        };
+        vm.graph.averageResponseTime.data[0].values.push(data);
+        // limit graph entries
+        if (vm.graph.averageResponseTime.data[0].values.length > 100) {
+          vm.graph.averageResponseTime.data[0].values.shift();
+        }
+
+        // Update Average Response Time graph render
+        if (vm.graph.averageResponseTime.api) {
+          vm.graph.averageResponseTime.api.update();
+        }
+      }
+
+      /**
+       * Load all graph's datas
+       *
+       * @param {Object} health Health data from server
+       */
+      function loadData(health) {
+        // Load datas and update Average Response Time graph render
+        updateAverageResponseTimeGraph(health.unixtime, health.average_response_time_sec);
+
+        // Load datas and update Total Status Code Count graph render
+        updateTotalStatusCodeCount(health.total_status_code_count);
+
+        // set data's view
+        vm.health = health;
+      }
+
+      /**
+       * Action when load datas failed
+       *
+       * @param {Object} error Error state object
+       */
+      function erroData(error) {
+        vm.health = {};
+        $log.error(error);
+      }
+
+      // first load
+      Health.get(loadData, erroData);
+
+      // Auto refresh data
       var intervalId = $interval(function () {
-        Health.get(function (health) {
-          vm.health = health;
-        }, function (error) {
-          vm.health = {};
-          $log.error(error);
-        });
+        Health.get(loadData, erroData);
       }, 3000);
 
+      // Stop auto refresh when page change
       $scope.$on('$destroy', function () {
         $interval.cancel(intervalId);
       });
 
-    }]);
+          }]);
 
 })();

static/app/sections/health/health.html

@@ -2,45 +2,42 @@
   <h1 class="text-danger">
     <span class="glyphicon glyphicon-heart" aria-hidden="true"></span> Health
   </h1>
-  <ul class="list-group">
-    <li class="list-group-item">
-      <span>Average response time sec :</span><span class="badge">{{healthCtrl.health.average_response_time_sec}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Average response time :</span><span class="badge">{{healthCtrl.health.average_response_time}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Total response time sec :</span><span class="badge">{{healthCtrl.health.total_response_time_sec}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Total response time :</span><span class="badge">{{healthCtrl.health.total_response_time}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Total count :</span><span class="badge">{{healthCtrl.health.total_count}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>PID :</span><span class="badge">{{healthCtrl.health.pid}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Uptime :</span><span class="badge">{{healthCtrl.health.uptime}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Uptime sec :</span><span class="badge">{{healthCtrl.health.uptime_sec}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Time :</span><span class="badge">{{healthCtrl.health.time}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Unixtime :</span><span class="badge">{{healthCtrl.health.unixtime}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Status code count :</span><span class="badge">{{healthCtrl.health.status_code_count}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Total status code count :</span><span class="badge">{{healthCtrl.health.total_status_code_count}}</span>
-    </li>
-    <li class="list-group-item">
-      <span>Count :</span><span class="badge">{{healthCtrl.health.count}}</span>
-    </li>
-  </ul>
+
+  <div class="row">
+
+    <div class="col-md-6">
+      <div>
+        <nvd3 options="healthCtrl.graph.averageResponseTime.options" data="healthCtrl.graph.averageResponseTime.data" api="healthCtrl.graph.averageResponseTime.api"></nvd3>
+      </div>
+      <ul class="list-group">
+        <li class="list-group-item">
+          <span>Total response time :</span><span class="badge">{{healthCtrl.health.total_response_time}}</span>
+        </li>
+      </ul>
+      <ul class="list-group">
+        <li class="list-group-item">
+          <span>PID :</span><span class="badge">{{healthCtrl.health.pid}}</span>
+        </li>
+        <li class="list-group-item">
+          <span>Uptime :</span><span class="badge">{{healthCtrl.health.uptime}}</span>
+        </li>
+      </ul>
+    </div>
+
+    <div class="col-md-6">
+      <div>
+        <nvd3 options="healthCtrl.graph.totalStatusCodeCount.options" data="healthCtrl.graph.totalStatusCodeCount.data" api="healthCtrl.graph.totalStatusCodeCount.api"></nvd3>
+      </div>
+      <ul class="list-group">
+        <li class="list-group-item">
+          <span>Total count :</span><span class="badge">{{healthCtrl.health.total_count}}</span>
+        </li>
+        <li class="list-group-item">
+          <span>Count :</span><span class="badge">{{healthCtrl.health.count}}</span>
+        </li>
+      </ul>
+    </div>
+
+  </div>
+
 </div>

static/app/sections/sections.module.js

@@ -5,6 +5,7 @@
     .module('traefik.section', [
       'ui.router',
       'ui.bootstrap',
+      'nvd3',
       'traefik.section.providers',
       'traefik.section.health'
      ]);

static/bower.json

@@ -20,6 +20,7 @@
     "bootstrap": "~3.3.5",
     "angular-resource": "~1.4.7",
     "angular-ui-router": "~0.2.15",
-    "angular-bootstrap": "~0.13.4"
+    "angular-bootstrap": "~0.13.4",
+    "angular-nvd3": "~1.0.2"
   }
 }

static/index.html

@@ -13,6 +13,9 @@
   <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap-theme.min.css">
   <link rel="stylesheet" href="bower_components/angular-bootstrap/ui-bootstrap-csp.css">
 
+  <!-- NVD3 -->
+  <link rel="stylesheet" href="bower_components/nvd3/build/nv.d3.min.css">
+
   <link rel="stylesheet" href="style.css">
 </head>
 
@@ -57,6 +60,9 @@
   <script src="bower_components/angular-resource/angular-resource.min.js"></script>
   <script src="bower_components/angular-ui-router/release/angular-ui-router.min.js"></script>
   <script src="bower_components/angular-bootstrap/ui-bootstrap-tpls.min.js"></script>
+  <script src="bower_components/d3/d3.min.js"></script>
+  <script src="bower_components/nvd3/build/nv.d3.min.js"></script>
+  <script src="bower_components/angular-nvd3/dist/angular-nvd3.min.js"></script>
   <!-- end vendors -->
 
   <script src="app/traefik.js"></script>

static/readme.md

@@ -26,4 +26,7 @@ Do `npm install` and `bower install`
   - [UI Router - Documentation](https://github.com/angular-ui/ui-router/wiki)
 - [Bootstrap](http://getbootstrap.com)
 - [Angular Bootstrap](https://angular-ui.github.io/bootstrap)
-
+- [D3](http://d3js.org)
+  - [D3 - Documentation](https://github.com/mbostock/d3/wiki)
+- [NVD3](http://nvd3.org)
+- [Angular nvD3](http://krispo.github.io/angular-nvd3)