api: scaffolding for volumegroupreplicationcontent

adding scaffolding for volumegroupreplicationcontent
using below commands

```
cp cmd/manager/main.go .
kubebuilder create api --group replication.storage \
--version v1alpha1 --kind VolumeGroupReplicationContent \
--namespaced=false
mv main.go cmd/manager/
make generate
make manifests
```

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

PROJECT

@@ -79,4 +79,12 @@ resources:
   kind: VolumeGroupReplication
   path: github.com/csi-addons/kubernetes-csi-addons/apis/replication.storage/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+  controller: true
+  domain: openshift.io
+  group: replication.storage
+  kind: VolumeGroupReplicationContent
+  path: github.com/csi-addons/kubernetes-csi-addons/apis/replication.storage/v1alpha1
+  version: v1alpha1
 version: "3"

apis/replication.storage/v1alpha1/volumegroupreplicationcontent_types.go

@@ -0,0 +1,107 @@
+/*
+Copyright 2024 The Kubernetes-CSI-Addons Authors.
+
+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 v1alpha1
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// VolumeGroupReplicationContentSpec defines the desired state of VolumeGroupReplicationContent
+type VolumeGroupReplicationContentSpec struct {
+	// VolumeGroupreplicationRef specifies the VolumeGroupReplication object to which this
+	// VolumeGroupReplicationContent object is bound.
+	// VolumeGroupReplication.Spec.VolumeGroupReplicationContentName field must reference to
+	// this VolumeGroupReplicationContent's name for the bidirectional binding to be valid.
+	// For a pre-existing VolumeGroupReplicationContent object, name and namespace of the
+	// VolumeGroupReplication object MUST be provided for binding to happen.
+	// This field is immutable after creation.
+	// Required.
+	// +kubebuilder:validation:XValidation:rule="has(self.name) && has(self.__namespace__)",message="both volumeGroupReplicationRef.name and volumeGroupReplicationRef.namespace must be set"
+	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="volumeGroupReplicationRef is immutable"
+	VolumeGroupReplicationRef corev1.ObjectReference `json:"volumeGroupReplicationRef"`
+
+	// VolumeGroupReplicationHandle is a unique id returned by the CSI driver
+	// to identify the VolumeGroupReplication on the storage system.
+	VolumeGroupReplicationHandle string `json:"volumeGroupReplicationHandle"`
+
+	// provisioner is the name of the CSI driver used to create the physical
+	// volume group on
+	// the underlying storage system.
+	// This MUST be the same as the name returned by the CSI GetPluginName() call for
+	// that driver.
+	// Required.
+	Provisioner string `json:"provisioner"`
+
+	// VolumeGroupReplicationClassName is the name of the VolumeGroupReplicationClass from
+	// which this group replication was (or will be) created.
+	// +optional
+	VolumeGroupSnapshotClassName string `json:"volumeGroupReplicationClassName"`
+
+	// Source specifies whether the snapshot is (or should be) dynamically provisioned
+	// or already exists, and just requires a Kubernetes object representation.
+	// This field is immutable after creation.
+	// Required.
+	Source VolumeGroupReplicationContentSource `json:"source"`
+}
+
+// VolumeGroupSnapshotContentSource represents the CSI source of a group replication.
+type VolumeGroupReplicationContentSource struct {
+	// VolumeHandles is a list of volume handles on the backend to be grouped
+	// and replicated.
+	VolumeHandles []string `json:"volumeHandles"`
+}
+
+// VolumeGroupReplicationContentStatus defines the status of VolumeGroupReplicationContent
+type VolumeGroupReplicationContentStatus struct {
+	// PVVolumeList is the list of of PV for the group replication
+	// The maximum number of allowed PV in the group is 100.
+	// +optional
+	PVVolumeList []PVVolume `json:"pvVolumeList,omitempty"`
+}
+
+// PVVolumes represent PV name to be groped and replicated.
+type PVVolume struct {
+	// PersistentVolumeRef is a reference to the persistent volume resource
+	PersistentVolumeRef corev1.LocalObjectReference `json:"persistentVolumeRef,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+//+kubebuilder:resource:scope=Cluster
+
+// VolumeGroupReplicationContent is the Schema for the volumegroupreplicationcontents API
+type VolumeGroupReplicationContent struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   VolumeGroupReplicationContentSpec   `json:"spec,omitempty"`
+	Status VolumeGroupReplicationContentStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// VolumeGroupReplicationContentList contains a list of VolumeGroupReplicationContent
+type VolumeGroupReplicationContentList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []VolumeGroupReplicationContent `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&VolumeGroupReplicationContent{}, &VolumeGroupReplicationContentList{})
+}

cmd/manager/main.go

@@ -204,6 +204,13 @@ func main() {
 		setupLog.Error(err, "unable to create controller", "controller", "VolumeGroupReplication")
 		os.Exit(1)
 	}
+	if err = (&replicationController.VolumeGroupReplicationContentReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "VolumeGroupReplicationContent")
+		os.Exit(1)
+	}
 	//+kubebuilder:scaffold:builder
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {