118 lines
4.2 KiB
Go
118 lines
4.2 KiB
Go
/*
|
|
Copyright 2019 the Velero contributors.
|
|
|
|
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 restore
|
|
|
|
import (
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
|
|
storagev1client "k8s.io/client-go/kubernetes/typed/storage/v1"
|
|
|
|
"github.com/vmware-tanzu/velero/pkg/plugin/framework"
|
|
"github.com/vmware-tanzu/velero/pkg/plugin/velero"
|
|
)
|
|
|
|
// ChangeStorageClassAction updates a PV or PVC's storage class name
|
|
// if a mapping is found in the plugin's config map.
|
|
type ChangeStorageClassAction struct {
|
|
logger logrus.FieldLogger
|
|
configMapClient corev1client.ConfigMapInterface
|
|
storageClassClient storagev1client.StorageClassInterface
|
|
}
|
|
|
|
// NewChangeStorageClassAction is the constructor for ChangeStorageClassAction.
|
|
func NewChangeStorageClassAction(
|
|
logger logrus.FieldLogger,
|
|
configMapClient corev1client.ConfigMapInterface,
|
|
storageClassClient storagev1client.StorageClassInterface,
|
|
) *ChangeStorageClassAction {
|
|
return &ChangeStorageClassAction{
|
|
logger: logger,
|
|
configMapClient: configMapClient,
|
|
storageClassClient: storageClassClient,
|
|
}
|
|
}
|
|
|
|
// AppliesTo returns the resources that ChangeStorageClassAction should
|
|
// be run for.
|
|
func (a *ChangeStorageClassAction) AppliesTo() (velero.ResourceSelector, error) {
|
|
return velero.ResourceSelector{
|
|
IncludedResources: []string{"persistentvolumeclaims", "persistentvolumes"},
|
|
}, nil
|
|
}
|
|
|
|
// Execute updates the item's spec.storageClassName if a mapping is found
|
|
// in the config map for the plugin.
|
|
func (a *ChangeStorageClassAction) Execute(input *velero.RestoreItemActionExecuteInput) (*velero.RestoreItemActionExecuteOutput, error) {
|
|
a.logger.Info("Executing ChangeStorageClassAction")
|
|
defer a.logger.Info("Done executing ChangeStorageClassAction")
|
|
|
|
a.logger.Debug("Getting plugin config")
|
|
config, err := getPluginConfig(framework.PluginKindRestoreItemAction, "velero.io/change-storage-class", a.configMapClient)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if config == nil || len(config.Data) == 0 {
|
|
a.logger.Debug("No storage class mappings found")
|
|
return velero.NewRestoreItemActionExecuteOutput(input.Item), nil
|
|
}
|
|
|
|
obj, ok := input.Item.(*unstructured.Unstructured)
|
|
if !ok {
|
|
return nil, errors.Errorf("object was of unexpected type %T", input.Item)
|
|
}
|
|
|
|
log := a.logger.WithFields(map[string]interface{}{
|
|
"kind": obj.GetKind(),
|
|
"namespace": obj.GetNamespace(),
|
|
"name": obj.GetName(),
|
|
})
|
|
|
|
// use the unstructured helpers here since this code is for both PVs and PVCs, and the
|
|
// field names are the same for both types.
|
|
storageClass, _, err := unstructured.NestedString(obj.UnstructuredContent(), "spec", "storageClassName")
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "error getting item's spec.storageClassName")
|
|
}
|
|
if storageClass == "" {
|
|
log.Debug("Item has no storage class specified")
|
|
return velero.NewRestoreItemActionExecuteOutput(input.Item), nil
|
|
}
|
|
|
|
newStorageClass, ok := config.Data[storageClass]
|
|
if !ok {
|
|
log.Debugf("No mapping found for storage class %s", storageClass)
|
|
return velero.NewRestoreItemActionExecuteOutput(input.Item), nil
|
|
}
|
|
|
|
// validate that new storage class exists
|
|
if _, err := a.storageClassClient.Get(newStorageClass, metav1.GetOptions{}); err != nil {
|
|
return nil, errors.Wrapf(err, "error getting storage class %s from API", newStorageClass)
|
|
}
|
|
|
|
log.Infof("Updating item's storage class name to %s", newStorageClass)
|
|
|
|
if err := unstructured.SetNestedField(obj.UnstructuredContent(), newStorageClass, "spec", "storageClassName"); err != nil {
|
|
return nil, errors.Wrap(err, "unable to set item's spec.storageClassName")
|
|
}
|
|
|
|
return velero.NewRestoreItemActionExecuteOutput(obj), nil
|
|
}
|