Add 'Docker containers are here' link to the main page

pages/containers.go

@@ -276,6 +276,7 @@ func serveContainersPage(m manager.Manager, w http.ResponseWriter, u *url.URL) e
 		Spec:               cont.Spec,
 		Stats:              cont.Stats,
 		MachineInfo:        machineInfo,
+		IsRoot:             cont.Name == "/",
 		ResourcesAvailable: cont.Spec.HasCpu || cont.Spec.HasMemory || cont.Spec.HasNetwork || cont.Spec.HasFilesystem,
 		CpuAvailable:       cont.Spec.HasCpu,
 		MemoryAvailable:    cont.Spec.HasMemory,

pages/containers_html.go

@@ -47,6 +47,11 @@ const containersHtmlTemplate = `
 	  {{end}}
 	</ol>
       </div>
+      {{if .IsRoot}}
+      <div class="col-sm-12">
+        <h4><a href="/docker">Docker Containers</a></h4>
+      </div>
+      {{end}}
       {{if .Subcontainers}}
       <div class="col-sm-12">
 	<div class="page-header">

pages/pages.go

@@ -28,6 +28,7 @@ type pageData struct {
 	Spec               info.ContainerSpec
 	Stats              []*info.ContainerStats
 	MachineInfo        *info.MachineInfo
+	IsRoot             bool
 	ResourcesAvailable bool
 	CpuAvailable       bool
 	MemoryAvailable    bool