dns-zone-controller: with env-manager generating dnssec key and zone records
diff --git a/core/ns-controller/controllers/dnszone_controller.go b/core/ns-controller/controllers/dnszone_controller.go
new file mode 100644
index 0000000..40883ef
--- /dev/null
+++ b/core/ns-controller/controllers/dnszone_controller.go
@@ -0,0 +1,135 @@
+/*
+Copyright 2023.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controllers
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+
+	dodocloudv1 "github.com/giolekva/pcloud/core/ns-controller/api/v1"
+)
+
+// DNSZoneReconciler reconciles a DNSZone object
+type DNSZoneReconciler struct {
+	client.Client
+	Scheme *runtime.Scheme
+	Store  ZoneStoreFactory
+}
+
+type DNSSecKey struct {
+	Basename string `json:"basename,omitempty"`
+	Key      []byte `json:"key,omitempty"`
+	Private  []byte `json:"private,omitempty"`
+	DS       []byte `json:"ds,omitempty"`
+}
+
+//+kubebuilder:rbac:groups=dodo.cloud.dodo.cloud,resources=dnszones,verbs=get;list;watch;create;update;patch;delete
+//+kubebuilder:rbac:groups=dodo.cloud.dodo.cloud,resources=dnszones/status,verbs=get;update;patch
+//+kubebuilder:rbac:groups=dodo.cloud.dodo.cloud,resources=dnszones/finalizers,verbs=update
+//+kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch;create;update;patch;delete
+
+// Reconcile is part of the main kubernetes reconciliation loop which aims to
+// move the current state of the cluster closer to the desired state.
+// TODO(user): Modify the Reconcile function to compare the state specified by
+// the DNSZone object against the actual cluster state, and then
+// perform operations to make the cluster state reflect the state specified by
+// the user.
+//
+// For more details, check Reconcile and its Result here:
+// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.12.2/pkg/reconcile
+func (r *DNSZoneReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	r.Store.Debug()
+	defer func() {
+		r.Store.Debug()
+	}()
+	logger := log.FromContext(ctx)
+	logger.Info(req.String())
+
+	resource := &dodocloudv1.DNSZone{}
+	if err := r.Get(context.Background(), client.ObjectKey{
+		Namespace: req.Namespace,
+		Name:      req.Name,
+	}, resource); err != nil {
+		return ctrl.Result{RequeueAfter: time.Minute}, err
+	}
+	if resource.Status.Ready {
+		return ctrl.Result{}, nil
+	}
+	zoneConfig := ZoneConfig{
+		Zone:        resource.Spec.Zone,
+		PublicIPs:   resource.Spec.PublicIPs,
+		PrivateIP:   resource.Spec.PrivateIP,
+		Nameservers: resource.Spec.Nameservers,
+	}
+	if resource.Spec.DNSSec.Enabled {
+		var secret corev1.Secret
+		if err := r.Get(context.Background(), client.ObjectKey{
+			Namespace: resource.Namespace, // NOTE(gio): configurable on resource level?
+			Name:      resource.Spec.DNSSec.SecretName,
+		}, &secret); err != nil {
+			return ctrl.Result{RequeueAfter: time.Minute}, err
+		}
+		basename, ok := secret.Data["basename"]
+		if !ok {
+			return ctrl.Result{RequeueAfter: time.Minute}, fmt.Errorf("basename not found")
+		}
+		key, ok := secret.Data["key"]
+		if !ok {
+			return ctrl.Result{RequeueAfter: time.Minute}, fmt.Errorf("key not found")
+		}
+		private, ok := secret.Data["private"]
+		if !ok {
+			return ctrl.Result{RequeueAfter: time.Minute}, fmt.Errorf("private not found")
+		}
+		ds, ok := secret.Data["ds"]
+		if !ok {
+			return ctrl.Result{RequeueAfter: time.Minute}, fmt.Errorf("ds not found")
+		}
+		zoneConfig.DNSSec = &DNSSecKey{
+			Basename: string(basename),
+			Key:      key,
+			Private:  private,
+			DS:       ds,
+		}
+	}
+	_, err := r.Store.Create(zoneConfig)
+	if err != nil {
+		return ctrl.Result{RequeueAfter: time.Minute}, err
+	}
+	resource.Status.Ready = true
+	if zoneConfig.DNSSec != nil {
+		resource.Status.RecordsToPublish = string(zoneConfig.DNSSec.DS)
+	}
+	if err := r.Status().Update(context.Background(), resource); err != nil {
+		return ctrl.Result{RequeueAfter: time.Minute}, err
+	}
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *DNSZoneReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&dodocloudv1.DNSZone{}).
+		Complete(r)
+}