web/landing_page: Add option to disable profiling links (#328)

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

Author: mrueg

web/landing_page.go

@@ -38,6 +38,7 @@ type LandingConfig struct {
 	ExtraHTML   string         // Additional HTML to be embedded.
 	ExtraCSS    string         // Additional CSS to be embedded.
 	Version     string         // The version displayed.
+	Profiling   string         // If false, don't display profiling links.
 }
 
 // LandingForm provides a configuration struct for creating a POST form on the landing page.
@@ -103,6 +104,10 @@ func NewLandingPage(c LandingConfig) (*LandingPageHandler, error) {
 	} else if !strings.HasSuffix(c.RoutePrefix, "/") {
 		c.RoutePrefix += "/"
 	}
+
+	if c.Profiling == "" {
+		c.Profiling = "true"
+	}
 	// Strip leading '/' from Links if present
 	for i, link := range c.Links {
 		c.Links[i].Address = strings.TrimPrefix(link.Address, "/")

web/landing_page.html

@@ -30,6 +30,7 @@ <h1>{{.Name}}</h1>
       </div>
       {{ end }}
       {{ .ExtraHTML }}
+      {{ if eq .Profiling "true" }}
       <div id="pprof">
       Download a detailed report of resource usage (pprof format, from the Go runtime):
       <ul>
@@ -38,6 +39,7 @@ <h1>{{.Name}}</h1>
       </ul>
       To visualize and share profiles you can upload to <a href="https://pprof.me" target="_blank" rel="noopener noreferrer">pprof.me</a>
       </div>
+      {{ end }}
     </main>
   </body>
 </html>