message: Fixes panic caused by version initialized to nil
diff: @@ -20,6 +20,8 @@ import (
  "k8s.io/client-go/kubernetes"
  )
  +var UnknownStatus = "UNKNOWN"
  +
  var (
  listenAddress = kingpin.Flag(
  "web.listen-address",
  @@ -86,7 +88,7 @@ func main() {
  healthy: false,
  updateTime: time.Now(),
  allowedMethods: nil,
  - version: nil,
  + version: &UnknownStatus,
  }
  http.Handle("/metrics", promhttp.Handler())
  http.Handle("/health", healthHandler(&health))
  @@ -130,8 +132,7 @@ func getSequencerVersion(health *healthCheck, client *kubernetes.Clientset) {
  }
  sequencerStatefulSet, err := client.AppsV1().StatefulSets(string(ns)).Get(context.TODO(), "sequencer", getOpts)
  if err != nil {
  - unknownStatus := "UNKNOWN"
  - health.version = &unknownStatus
  + health.version = &UnknownStatus
  log.Errorf("Unable to retrieve a sequencer StatefulSet: %s", err)
  continue
  }
  