80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
/*
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Copyright the Velero 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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"encoding/json"
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"os"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"github.com/vmware-tanzu/velero/pkg/itemblock"
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)
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type BackupItemBlock struct {
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itemblock.ItemBlock
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// This is a reference to the shared itemBackupper for the backup
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itemBackupper *itemBackupper
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}
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func NewBackupItemBlock(log logrus.FieldLogger, itemBackupper *itemBackupper) *BackupItemBlock {
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return &BackupItemBlock{
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ItemBlock: itemblock.ItemBlock{Log: log},
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itemBackupper: itemBackupper,
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}
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}
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func (b *BackupItemBlock) addKubernetesResource(item *kubernetesResource, log logrus.FieldLogger) *unstructured.Unstructured {
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// no-op if item has already been processed (in a block or previously excluded)
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if item.inItemBlockOrExcluded {
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return nil
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}
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var unstructured unstructured.Unstructured
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item.inItemBlockOrExcluded = true
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f, err := os.Open(item.path)
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if err != nil {
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log.WithError(errors.WithStack(err)).Error("Error opening file containing item")
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return nil
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}
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defer f.Close()
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defer os.Remove(f.Name())
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if err := json.NewDecoder(f).Decode(&unstructured); err != nil {
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log.WithError(errors.WithStack(err)).Error("Error decoding JSON from file")
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return nil
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}
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metadata, err := meta.Accessor(&unstructured)
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if err != nil {
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log.WithError(errors.WithStack(err)).Warn("Error accessing item metadata")
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return nil
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}
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// Don't add to ItemBlock if item is excluded
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// itemInclusionChecks logs the reason
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if !b.itemBackupper.itemInclusionChecks(log, false, metadata, &unstructured, item.groupResource) {
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return nil
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}
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log.Infof("adding %s %s/%s to ItemBlock", item.groupResource, item.namespace, item.name)
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b.AddUnstructured(item.groupResource, &unstructured, item.preferredGVR)
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return &unstructured
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}
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