106 lines
4.1 KiB
Go
106 lines
4.1 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package webhook
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import (
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"fmt"
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crdv1 "github.com/kubernetes-csi/external-snapshotter/client/v5/apis/volumesnapshot/v1"
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crdv1beta1 "github.com/kubernetes-csi/external-snapshotter/client/v5/apis/volumesnapshot/v1beta1"
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)
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// ValidateV1Snapshot performs additional strict validation.
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// Do NOT rely on this function to fully validate snapshot objects.
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// This function will only check the additional rules provided by the webhook.
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func ValidateV1Snapshot(snapshot *crdv1.VolumeSnapshot) error {
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if snapshot == nil {
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return fmt.Errorf("VolumeSnapshot is nil")
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}
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vscname := snapshot.Spec.VolumeSnapshotClassName
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if vscname != nil && *vscname == "" {
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return fmt.Errorf("Spec.VolumeSnapshotClassName must not be the empty string")
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}
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return nil
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}
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// ValidateV1Beta1Snapshot performs additional strict validation.
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// Do NOT rely on this function to fully validate snapshot objects.
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// This function will only check the additional rules provided by the webhook.
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func ValidateV1Beta1Snapshot(snapshot *crdv1beta1.VolumeSnapshot) error {
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if snapshot == nil {
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return fmt.Errorf("VolumeSnapshot is nil")
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}
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source := snapshot.Spec.Source
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if source.PersistentVolumeClaimName != nil && source.VolumeSnapshotContentName != nil {
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return fmt.Errorf("only one of Spec.Source.PersistentVolumeClaimName = %s and Spec.Source.VolumeSnapshotContentName = %s should be set", *source.PersistentVolumeClaimName, *source.VolumeSnapshotContentName)
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}
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if source.PersistentVolumeClaimName == nil && source.VolumeSnapshotContentName == nil {
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return fmt.Errorf("one of Spec.Source.PersistentVolumeClaimName and Spec.Source.VolumeSnapshotContentName should be set")
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}
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vscname := snapshot.Spec.VolumeSnapshotClassName
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if vscname != nil && *vscname == "" {
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return fmt.Errorf("Spec.VolumeSnapshotClassName must not be the empty string")
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}
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return nil
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}
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// ValidateV1SnapshotContent performs additional strict validation.
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// Do NOT rely on this function to fully validate snapshot content objects.
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// This function will only check the additional rules provided by the webhook.
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func ValidateV1SnapshotContent(snapcontent *crdv1.VolumeSnapshotContent) error {
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if snapcontent == nil {
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return fmt.Errorf("VolumeSnapshotContent is nil")
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}
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vsref := snapcontent.Spec.VolumeSnapshotRef
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if vsref.Name == "" || vsref.Namespace == "" {
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return fmt.Errorf("both Spec.VolumeSnapshotRef.Name = %s and Spec.VolumeSnapshotRef.Namespace = %s must be set", vsref.Name, vsref.Namespace)
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}
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return nil
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}
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// ValidateV1Beta1SnapshotContent performs additional strict validation.
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// Do NOT rely on this function to fully validate snapshot content objects.
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// This function will only check the additional rules provided by the webhook.
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func ValidateV1Beta1SnapshotContent(snapcontent *crdv1beta1.VolumeSnapshotContent) error {
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if snapcontent == nil {
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return fmt.Errorf("VolumeSnapshotContent is nil")
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}
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source := snapcontent.Spec.Source
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if source.VolumeHandle != nil && source.SnapshotHandle != nil {
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return fmt.Errorf("only one of Spec.Source.VolumeHandle = %s and Spec.Source.SnapshotHandle = %s should be set", *source.VolumeHandle, *source.SnapshotHandle)
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}
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if source.VolumeHandle == nil && source.SnapshotHandle == nil {
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return fmt.Errorf("one of Spec.Source.VolumeHandle and Spec.Source.SnapshotHandle should be set")
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}
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vsref := snapcontent.Spec.VolumeSnapshotRef
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if vsref.Name == "" || vsref.Namespace == "" {
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return fmt.Errorf("both Spec.VolumeSnapshotRef.Name = %s and Spec.VolumeSnapshotRef.Namespace = %s must be set", vsref.Name, vsref.Namespace)
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}
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return nil
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}
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