70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
/*
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Copyright 2017 the Heptio Ark contributors.
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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 backup
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import (
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"github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/runtime"
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"github.com/heptio/ark/pkg/apis/ark/v1"
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"github.com/heptio/ark/pkg/kuberesource"
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"github.com/heptio/ark/pkg/util/collections"
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)
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// backupPVAction inspects a PersistentVolumeClaim for the PersistentVolume
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// that it references and backs it up
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type backupPVAction struct {
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log logrus.FieldLogger
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}
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func NewBackupPVAction(log logrus.FieldLogger) ItemAction {
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return &backupPVAction{log: log}
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}
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func (a *backupPVAction) AppliesTo() (ResourceSelector, error) {
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return ResourceSelector{
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IncludedResources: []string{"persistentvolumeclaims"},
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}, nil
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}
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// Execute finds the PersistentVolume bound by the provided
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// PersistentVolumeClaim, if any, and backs it up
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func (a *backupPVAction) Execute(item runtime.Unstructured, backup *v1.Backup) (runtime.Unstructured, []ResourceIdentifier, error) {
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a.log.Info("Executing backupPVAction")
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var additionalItems []ResourceIdentifier
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pvc := item.UnstructuredContent()
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volumeName, err := collections.GetString(pvc, "spec.volumeName")
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// if there's no volume name, it's not an error, since it's possible
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// for the PVC not be bound; don't return an additional PV item to
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// back up.
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if err != nil || volumeName == "" {
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a.log.Info("No spec.volumeName found for PersistentVolumeClaim")
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return nil, nil, nil
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}
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additionalItems = append(additionalItems, ResourceIdentifier{
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GroupResource: kuberesource.PersistentVolumes,
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Name: volumeName,
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})
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return item, additionalItems, nil
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}
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