implement controller

internal/controller/schedule.go

@@ -0,0 +1,31 @@
+package controller
+
+import (
+	"context"
+	"time"
+
+	schedulev1 "github.com/baschno/tdset-operator/api/v1"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+)
+
+func (r *TDSetReconciler) GetExpectedReplica(ctx context.Context, req ctrl.Request, tdSet *schedulev1.TDSet) (int32, error) {
+
+	log := log.FromContext(ctx)
+
+	if tdSet.Spec.SchedulingConfig != nil && len(tdSet.Spec.SchedulingConfig) != 0 {
+		now := time.Now()
+		hour := now.Hour()
+
+		log.Info("Current server", hour, "time", now)
+
+		for _, config := range tdSet.Spec.SchedulingConfig {
+			if hour >= config.StartTime && hour < config.EndTime {
+				return int32(config.Replicas), nil
+			}
+		}
+
+	}
+	log.Info("Default replicas is not set. Using 1 replica")
+	return tdSet.Spec.DefaultReplicas, nil
+}