Remove excessive key generation to decrease cpu load (#192)

operator/pkg/reconciliation/reconcile_racks.go

@@ -1561,34 +1561,6 @@ func (rc *ReconciliationContext) findStartedNotReadyNodes() (bool, error) {
 	return false, nil
 }
 
-func (rc *ReconciliationContext) copyPodCredentials(pod *corev1.Pod, jksBlob []byte) error {
-	_, err := rc.retrieveSecret(types.NamespacedName{
-		Name:      fmt.Sprintf("%s-keystore", rc.Datacenter.Name),
-		Namespace: rc.Datacenter.Namespace,
-	})
-
-	if err == nil { // This secret already exists, nothing to do
-		return nil
-	}
-
-	secret := &corev1.Secret{
-
-		TypeMeta: metav1.TypeMeta{
-			Kind:       "Secret",
-			APIVersion: "v1",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      fmt.Sprintf("%s-keystore", rc.Datacenter.Name),
-			Namespace: rc.Datacenter.Namespace,
-		},
-	}
-	secret.Data = map[string][]byte{
-		"node-keystore.jks": jksBlob,
-	}
-
-	return rc.Client.Create(rc.Ctx, secret)
-}
-
 func (rc *ReconciliationContext) startCassandra(endpointData httphelper.CassMetadataEndpoints, pod *corev1.Pod) error {
 	dc := rc.Datacenter
 	mgmtClient := rc.NodeMgmtClient
@@ -1617,15 +1589,6 @@ func (rc *ReconciliationContext) startCassandra(endpointData httphelper.CassMeta
 	}
 
 	var err error
-	var internodeCA *corev1.Secret
-
-	if internodeCA, err = rc.retrieveInternodeCredentialSecretOrCreateDefault(); err != nil {
-		return err
-	}
-	jksBlob, err := utils.GenerateJKS(internodeCA, pod.ObjectMeta.Name, dc.Name)
-	if err = rc.copyPodCredentials(pod, jksBlob); err != nil {
-		return err
-	}
 
 	if shouldReplacePod && replaceAddress != "" {
 		// If we have a replace address that means the cassandra node did