api: scaffolding for volumegroupreplicationclass

adding scaffolding for volumegroupreplicationclass
using below commands
```
cp cmd/manager/main.go .
kubebuilder create api --group replication.storage \
  --version v1alpha1 --kind VolumeGroupReplicationClass --namespaced=false
mv main.go cmd/manager/
make generate
make manifests
```

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

PROJECT

@@ -1,3 +1,7 @@
+# Code generated by tool. DO NOT EDIT.
+# This file is used to track the info used to scaffold your project
+# and allow the plugins properly work.
+# More info: https://book.kubebuilder.io/reference/project-config.html
 domain: openshift.io
 layout:
 - go.kubebuilder.io/v3
@@ -58,4 +62,12 @@ resources:
   kind: VolumeReplicationClass
   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: VolumeGroupReplicationClass
+  path: github.com/csi-addons/kubernetes-csi-addons/apis/replication.storage/v1alpha1
+  version: v1alpha1
 version: "3"

apis/replication.storage/v1alpha1/volumegroupreplicationclass_types.go

@@ -0,0 +1,65 @@
+/*
+Copyright 2022 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 (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
+// NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
+
+// VolumeGroupReplicationClassSpec defines the desired state of VolumeGroupReplicationClass
+type VolumeGroupReplicationClassSpec struct {
+	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+
+	// Foo is an example field of VolumeGroupReplicationClass. Edit volumegroupreplicationclass_types.go to remove/update
+	Foo string `json:"foo,omitempty"`
+}
+
+// VolumeGroupReplicationClassStatus defines the observed state of VolumeGroupReplicationClass
+type VolumeGroupReplicationClassStatus struct {
+	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
+	// Important: Run "make" to regenerate code after modifying this file
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+//+kubebuilder:resource:scope=Cluster
+
+// VolumeGroupReplicationClass is the Schema for the volumegroupreplicationclasses API
+type VolumeGroupReplicationClass struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   VolumeGroupReplicationClassSpec   `json:"spec,omitempty"`
+	Status VolumeGroupReplicationClassStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// VolumeGroupReplicationClassList contains a list of VolumeGroupReplicationClass
+type VolumeGroupReplicationClassList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []VolumeGroupReplicationClass `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&VolumeGroupReplicationClass{}, &VolumeGroupReplicationClassList{})
+}

cmd/manager/main.go

@@ -197,6 +197,13 @@ func main() {
 		os.Exit(1)
 	}
 
+	if err = (&replicationController.VolumeGroupReplicationClassReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "VolumeGroupReplicationClass")
+		os.Exit(1)
+	}
 	//+kubebuilder:scaffold:builder
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {

config/crd/bases/replication.storage.openshift.io_volumegroupreplicationclasses.yaml

@@ -0,0 +1,57 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.15.0
+  name: volumegroupreplicationclasses.replication.storage.openshift.io
+spec:
+  group: replication.storage.openshift.io
+  names:
+    kind: VolumeGroupReplicationClass
+    listKind: VolumeGroupReplicationClassList
+    plural: volumegroupreplicationclasses
+    singular: volumegroupreplicationclass
+  scope: Cluster
+  versions:
+  - name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        description: VolumeGroupReplicationClass is the Schema for the volumegroupreplicationclasses
+          API
+        properties:
+          apiVersion:
+            description: |-
+              APIVersion defines the versioned schema of this representation of an object.
+              Servers should convert recognized schemas to the latest internal value, and
+              may reject unrecognized values.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
+            type: string
+          kind:
+            description: |-
+              Kind is a string value representing the REST resource this object represents.
+              Servers may infer this from the endpoint the client submits requests to.
+              Cannot be updated.
+              In CamelCase.
+              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: VolumeGroupReplicationClassSpec defines the desired state
+              of VolumeGroupReplicationClass
+            properties:
+              foo:
+                description: Foo is an example field of VolumeGroupReplicationClass.
+                  Edit volumegroupreplicationclass_types.go to remove/update
+                type: string
+            type: object
+          status:
+            description: VolumeGroupReplicationClassStatus defines the observed state
+              of VolumeGroupReplicationClass
+            type: object
+        type: object
+    served: true
+    storage: true
+    subresources:
+      status: {}

config/crd/kustomization.yaml

@@ -11,6 +11,7 @@ resources:
   - bases/csiaddons.openshift.io_networkfences.yaml
   - bases/replication.storage.openshift.io_volumereplications.yaml
   - bases/replication.storage.openshift.io_volumereplicationclasses.yaml
+  - bases/replication.storage.openshift.io_volumegroupreplicationclasses.yaml
 # yamllint disable-line rule:comments
 #+kubebuilder:scaffold:crdkustomizeresource
 
@@ -21,6 +22,7 @@ patchesStrategicMerge:
   #- patches/webhook_in_reclaimspacejobs.yaml
   #- patches/webhook_in_volumereplications.yaml
   #- patches/webhook_in_volumereplicationclasses.yaml
+  #- patches/webhook_in_volumegroupreplicationclasses.yaml
 #+kubebuilder:scaffold:crdkustomizewebhookpatch
 
   # [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.
@@ -29,6 +31,7 @@ patchesStrategicMerge:
   #- patches/cainjection_in_reclaimspacejobs.yaml
   #- patches/cainjection_in_volumereplications.yaml
   #- patches/cainjection_in_volumereplicationclasses.yaml
+  #- patches/cainjection_in_volumegroupreplicationclasses.yaml
 #+kubebuilder:scaffold:crdkustomizecainjectionpatch
 
 # the following config is for teaching kustomize how to do kustomization for CRDs.

config/crd/patches/cainjection_in_replication.storage_volumegroupreplicationclasses.yaml

@@ -0,0 +1,7 @@
+# The following patch adds a directive for certmanager to inject CA into the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+  name: volumegroupreplicationclasses.replication.storage.openshift.io

config/crd/patches/webhook_in_replication.storage_volumegroupreplicationclasses.yaml

@@ -0,0 +1,16 @@
+# The following patch enables a conversion webhook for the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: volumegroupreplicationclasses.replication.storage.openshift.io
+spec:
+  conversion:
+    strategy: Webhook
+    webhook:
+      clientConfig:
+        service:
+          namespace: system
+          name: webhook-service
+          path: /convert
+      conversionReviewVersions:
+      - v1

config/rbac/replication.storage_volumegroupreplicationclass_editor_role.yaml

@@ -0,0 +1,31 @@
+# permissions for end users to edit volumegroupreplicationclasses.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/name: clusterrole
+    app.kubernetes.io/instance: volumegroupreplicationclass-editor-role
+    app.kubernetes.io/component: rbac
+    app.kubernetes.io/created-by: kubernetes-csi-addons
+    app.kubernetes.io/part-of: kubernetes-csi-addons
+    app.kubernetes.io/managed-by: kustomize
+  name: volumegroupreplicationclass-editor-role
+rules:
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses/status
+  verbs:
+  - get

config/rbac/replication.storage_volumegroupreplicationclass_viewer_role.yaml

@@ -0,0 +1,27 @@
+# permissions for end users to view volumegroupreplicationclasses.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/name: clusterrole
+    app.kubernetes.io/instance: volumegroupreplicationclass-viewer-role
+    app.kubernetes.io/component: rbac
+    app.kubernetes.io/created-by: kubernetes-csi-addons
+    app.kubernetes.io/part-of: kubernetes-csi-addons
+    app.kubernetes.io/managed-by: kustomize
+  name: volumegroupreplicationclass-viewer-role
+rules:
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses/status
+  verbs:
+  - get

config/rbac/role.yaml

@@ -164,6 +164,32 @@ rules:
   - get
   - patch
   - update
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses/finalizers
+  verbs:
+  - update
+- apiGroups:
+  - replication.storage.openshift.io
+  resources:
+  - volumegroupreplicationclasses/status
+  verbs:
+  - get
+  - patch
+  - update
 - apiGroups:
   - replication.storage.openshift.io
   resources: