StatusHandler renders build info

appstate/appstate.go

@@ -28,4 +28,5 @@ type ApplicationState struct {
 	RuleManager   rules.RuleManager
 	Storage       metric.Storage
 	TargetManager retrieval.TargetManager
+	BuildInfo     map[string]string
 }

main.go

@@ -91,6 +91,7 @@ func main() {
 		RuleManager:   ruleManager,
 		Storage:       ts,
 		TargetManager: targetManager,
+		BuildInfo:     BuildInfo,
 	}
 
 	web.StartServing(appState)

web/status.go

@@ -24,6 +24,7 @@ type PrometheusStatus struct {
 	Rules       string
 	Status      string
 	TargetPools map[string]*retrieval.TargetPool
+	BuildInfo   map[string]string
 }
 
 type StatusHandler struct {
@@ -36,6 +37,7 @@ func (h *StatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		Rules:       "TODO: list rules here",
 		Status:      "TODO: add status information here",
 		TargetPools: h.appState.TargetManager.Pools(),
+		BuildInfo:   h.appState.BuildInfo,
 	}
 	executeTemplate(w, "status", status)
 }

web/templates/status.html

@@ -2,23 +2,23 @@
 
 {{define "content"}}
     <h2>Status</h2>
-		<div class="grouping_box">
+    <div class="grouping_box">
 {{.Status}}
-		</div>
+    </div>
 
-		<h2>Configuration</h2>
-		<div class="grouping_box">
-		<pre>
+    <h2>Configuration</h2>
+    <div class="grouping_box">
+    <pre>
 {{.Config}}
-		</pre>
-		</div>
+    </pre>
+    </div>
 
     <h2>Rules</h2>
-		<div class="grouping_box">
+    <div class="grouping_box">
 {{.Rules}}
-		</div>
+    </div>
 
-		<h2>Targets</h2>
+    <h2>Targets</h2>
     <div class="grouping_box">
       <ul>
         {{range $job, $pool := .TargetPools}}
@@ -33,5 +33,17 @@
           </li>
         {{end}}
       </ul>
-		</div>
+    </div>
+
+    <h2>Build Info</h2>
+    <div class="grouping_box">
+      <table>
+        {{range $key, $value := .BuildInfo}}
+        <tr>
+          <th scope="row">{{$key}}</th>
+          <td>{{$value}}</td>
+        </tr>
+        {{end}}
+      </table>
+    </div>
 {{end}}