Add leap second configmap

This commit adds an empty leap-second configmap
that will be populated by linuxptp-daemon on every node.
It will provide leap-seconds.list file to ts2phc.

Signed-off-by: Vitaly Grinberg <v.g@redhat.com>

bindata/linuxptp/ptp-daemon.yaml

@@ -76,16 +76,20 @@ spec:
                   fieldPath: metadata.name
             - name: PLUGINS
               value: "{{ .EnabledPlugins }}"
-
           volumeMounts:
             - name: config-volume
               mountPath: /etc/linuxptp
+            - name: leap-volume
+              mountPath: /etc/leap
             - name: socket-dir
               mountPath: /var/run
       volumes:
         - name: config-volume
           configMap:
             name: ptp-configmap
+        - name: leap-volume
+          configMap:
+            name: leap-configmap            
         - name: linuxptp-certs
           secret:
             secretName: linuxptp-daemon-secret

controllers/ptpoperatorconfig_controller.go

@@ -129,6 +129,11 @@ func (r *PtpOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.Re
 		return reconcile.Result{}, err
 	}
 
+	if err = r.createLeapConfigMap(ctx, defaultCfg); err != nil {
+		glog.Errorf("failed to create leap config map: %v", err)
+		return reconcile.Result{}, err
+	}
+
 	if err = r.syncLinuxptpDaemon(ctx, defaultCfg, nodeList); err != nil {
 		glog.Errorf("failed to sync linux ptp daemon: %v", err)
 		if err.Error() == AmqReadyStateError {
@@ -140,6 +145,34 @@ func (r *PtpOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.Re
 	return reconcile.Result{RequeueAfter: ResyncPeriod}, nil
 }
 
+// createLeapConfigMap creates an empty leap second config map
+func (r *PtpOperatorConfigReconciler) createLeapConfigMap(ctx context.Context, defaultCfg *ptpv1.PtpOperatorConfig) error {
+	var err error
+
+	cm := &corev1.ConfigMap{}
+	err = r.Get(ctx, types.NamespacedName{
+		Namespace: names.Namespace, Name: names.DefaultLeapConfigMapName}, cm)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			cm.Name = names.DefaultLeapConfigMapName
+			cm.Namespace = names.Namespace
+			cm.Data = make(map[string]string)
+
+			if err = controllerutil.SetControllerReference(defaultCfg, cm, r.Scheme); err != nil {
+				return fmt.Errorf("failed to set owner reference: %v", err)
+			}
+			err = r.Create(ctx, cm)
+			if err != nil {
+				return fmt.Errorf("failed to create leap config map: %v", err)
+			}
+			glog.Infof("leap config map created successfully")
+		} else {
+			return fmt.Errorf("failed to create leap config map: %v", err)
+		}
+	}
+	return nil
+}
+
 // createPTPConfigMap creates PTP config map
 func (r *PtpOperatorConfigReconciler) createPTPConfigMap(ctx context.Context, defaultCfg *ptpv1.PtpOperatorConfig) error {
 	var err error

pkg/names/names.go

@@ -11,6 +11,10 @@ const Namespace = "ptp"
 // by ptp-operator.
 const DefaultPTPConfigMapName = "ptp-configmap"
 
+// DefaultLeapConfigMapName is the default leap config map that created
+// by ptp-operator.
+const DefaultLeapConfigMapName = "leap-configmap"
+
 // DefaultOperatorConfigName is the default operator config that
 // created by ptp-operator. It's set to the owner of resources of
 // linuxptp daemonset, ptp-configmap and nodePtpDevice.