feat: allow volume expansion

Author: faiq

api/v1alpha1/addon_types.go

@@ -178,6 +178,9 @@ type StorageClassConfig struct {
 
 	// +optional
 	VolumeBindingMode string `json:"volumeBindingMode,omitempty"`
+
+	// +optional
+	AllowExpansion bool `json:"allowExpansion,omitempty"`
 }
 
 func (StorageClassConfig) VariableSchema() clusterv1.VariableSchema {
@@ -192,7 +195,8 @@ func (StorageClassConfig) VariableSchema() clusterv1.VariableSchema {
 	}
 	return clusterv1.VariableSchema{
 		OpenAPIV3Schema: clusterv1.JSONSchemaProps{
-			Type: "object",
+			Type:     "object",
+			Required: []string{"name"},
 			Properties: map[string]clusterv1.JSONSchemaProps{
 				"name": {
 					Type:        "string",
@@ -215,6 +219,11 @@ func (StorageClassConfig) VariableSchema() clusterv1.VariableSchema {
 					Enum:    variables.MustMarshalValuesToEnumJSON(supportedBindingModes...),
 					Default: variables.MustMarshal(VolumeBindingWaitForFirstConsumer),
 				},
+				"allowExpansion": {
+					Type:        "boolean",
+					Default:     variables.MustMarshal(false),
+					Description: "If the storage class should allow volume expanding",
+				},
 			},
 		},
 	}
@@ -224,7 +233,8 @@ func (CSIProvider) VariableSchema() clusterv1.VariableSchema {
 	supportedCSIProviders := []string{CSIProviderAWSEBS, CSIProviderNutanix}
 	return clusterv1.VariableSchema{
 		OpenAPIV3Schema: clusterv1.JSONSchemaProps{
-			Type: "object",
+			Type:     "object",
+			Required: []string{"name", "strategy"},
 			Properties: map[string]clusterv1.JSONSchemaProps{
 				"name": {
 					Description: "Name of the CSI Provider",
@@ -267,12 +277,14 @@ func (DefaultStorage) VariableSchema() clusterv1.VariableSchema {
 		OpenAPIV3Schema: clusterv1.JSONSchemaProps{
 			Type:        "object",
 			Description: "A tuple of provider name and storage class ",
+			Required:    []string{"providerName", "storageClassConfigName"},
 			Properties: map[string]clusterv1.JSONSchemaProps{
 				"providerName": {
 					Type:        "string",
 					Description: "Name of the CSI Provider for the default storage class",
 					Enum: variables.MustMarshalValuesToEnumJSON(
-						supportedCSIProviders...),
+						supportedCSIProviders...,
+					),
 				},
 				"storageClassConfigName": {
 					Type:        "string",

pkg/handlers/generic/lifecycle/utils/utils.go

@@ -191,10 +191,11 @@ func CreateStorageClass(
 			Name:      storageConfig.Name,
 			Namespace: defaultsNamespace,
 		},
-		Provisioner:       string(provisionerName),
-		Parameters:        params,
-		VolumeBindingMode: volumeBindingMode,
-		ReclaimPolicy:     reclaimPolicy,
+		Provisioner:          string(provisionerName),
+		Parameters:           params,
+		VolumeBindingMode:    volumeBindingMode,
+		ReclaimPolicy:        reclaimPolicy,
+		AllowVolumeExpansion: ptr.To(storageConfig.AllowExpansion),
 	}
 	if isDefault {
 		sc.ObjectMeta.Annotations = defaultStorageClassMap

pkg/handlers/generic/lifecycle/utils/utils_test.go

@@ -32,6 +32,7 @@ func TestCreateStorageClass(t *testing.T) {
 				ReclaimPolicy:     v1alpha1.VolumeReclaimDelete,
 				VolumeBindingMode: v1alpha1.VolumeBindingWaitForFirstConsumer,
 				Parameters:        nil,
+				AllowExpansion:    true,
 			},
 			expectedStorageClass: &storagev1.StorageClass{
 				TypeMeta: metav1.TypeMeta{
@@ -42,10 +43,11 @@ func TestCreateStorageClass(t *testing.T) {
 					Name:      "aws-ebs",
 					Namespace: "default",
 				},
-				Parameters:        defaultAWSStorageClassParams,
-				ReclaimPolicy:     ptr.To(corev1.PersistentVolumeReclaimDelete),
-				VolumeBindingMode: ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
-				Provisioner:       string(v1alpha1.AWSEBSProvisioner),
+				Parameters:           defaultAWSStorageClassParams,
+				ReclaimPolicy:        ptr.To(corev1.PersistentVolumeReclaimDelete),
+				VolumeBindingMode:    ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
+				Provisioner:          string(v1alpha1.AWSEBSProvisioner),
+				AllowVolumeExpansion: ptr.To(true),
 			},
 			provisioner:       v1alpha1.AWSEBSProvisioner,
 			defaultsNamespace: "default",
@@ -84,9 +86,10 @@ func TestCreateStorageClass(t *testing.T) {
 					"whitelistIPMode":           "ENABLED",
 					"whitelistIPAddr":           "1.1.1.1",
 				},
-				ReclaimPolicy:     ptr.To(corev1.PersistentVolumeReclaimDelete),
-				VolumeBindingMode: ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
-				Provisioner:       string(v1alpha1.NutanixProvisioner),
+				ReclaimPolicy:        ptr.To(corev1.PersistentVolumeReclaimDelete),
+				VolumeBindingMode:    ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
+				Provisioner:          string(v1alpha1.NutanixProvisioner),
+				AllowVolumeExpansion: ptr.To(false),
 			},
 			provisioner:       v1alpha1.NutanixProvisioner,
 			defaultsNamespace: "default",
@@ -107,9 +110,10 @@ func TestCreateStorageClass(t *testing.T) {
 					Name:      "nutanix-volumes",
 					Namespace: "default",
 				},
-				ReclaimPolicy:     ptr.To(corev1.PersistentVolumeReclaimDelete),
-				VolumeBindingMode: ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
-				Provisioner:       string(v1alpha1.NutanixProvisioner),
+				ReclaimPolicy:        ptr.To(corev1.PersistentVolumeReclaimDelete),
+				VolumeBindingMode:    ptr.To(storagev1.VolumeBindingWaitForFirstConsumer),
+				Provisioner:          string(v1alpha1.NutanixProvisioner),
+				AllowVolumeExpansion: ptr.To(false),
 			},
 			provisioner:       v1alpha1.NutanixProvisioner,
 			defaultsNamespace: "default",