Add error to GetSession return values

- Add button to copy instance SSH access

handlers/ping.go

@@ -12,6 +12,7 @@ import (
 )
 
 func Ping(rw http.ResponseWriter, req *http.Request) {
+	defer latencyHistogramVec.WithLabelValues("ping").Observe(float64(time.Since(time.Now()).Nanoseconds()) / 1000000)
 	// Get system load average of the last 5 minutes and compare it against a threashold.
 
 	c, err := docker.NewEnvClient()
@@ -27,6 +28,7 @@ func Ping(rw http.ResponseWriter, req *http.Request) {
 	if _, err := c.Info(ctx); err != nil && err == context.DeadlineExceeded {
 		log.Printf("Docker info took to long to respond\n")
 		rw.WriteHeader(http.StatusGatewayTimeout)
+		return
 	}
 
 	a, err := load.Avg()