NBS-4789: [Disk Manager] adding lister metrics for TaskStatusReadyToC…

…ancel and TaskStatusCancelling (#271)

* adding more lister metrics

* delete bad comment

cloud/tasks/collect_lister_metrics_task.go

@@ -50,11 +50,25 @@ func (c collectListerMetricsTask) Run(
 			return err
 		}
 
+		err = c.collectTasksMetrics(
+			ctx,
+			func(context.Context) ([]storage.TaskInfo, error) {
+				return c.storage.ListTasksRunning(
+					ctx,
+					^uint64(0), // limit
+				)
+			},
+			storage.TaskStatusToString(storage.TaskStatusRunning),
+		)
+		if err != nil {
+			return err
+		}
+
 		err = c.collectTasksMetrics(
 			ctx,
 			func(context.Context) ([]storage.TaskInfo, error) {
 				return c.storage.ListTasksReadyToCancel(
-					ctx,        // excludingHostname
+					ctx,
 					^uint64(0), // limit
 					nil,
 				)
@@ -64,6 +78,20 @@ func (c collectListerMetricsTask) Run(
 		if err != nil {
 			return err
 		}
+
+		err = c.collectTasksMetrics(
+			ctx,
+			func(context.Context) ([]storage.TaskInfo, error) {
+				return c.storage.ListTasksCancelling(
+					ctx,
+					^uint64(0), // limit
+				)
+			},
+			storage.TaskStatusToString(storage.TaskStatusCancelling),
+		)
+		if err != nil {
+			return err
+		}
 	}
 
 	return nil