mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-08-15 11:46:06 +00:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
/*
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Copyright 2017 Heptio Inc.
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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 gcp
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import (
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"io"
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"strings"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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storage "google.golang.org/api/storage/v1"
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"github.com/heptio/ark/pkg/cloudprovider"
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)
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type objectStorageAdapter struct {
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gcs *storage.Service
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}
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var _ cloudprovider.ObjectStorageAdapter = &objectStorageAdapter{}
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func NewObjectStorageAdapter() (cloudprovider.ObjectStorageAdapter, error) {
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client, err := google.DefaultClient(oauth2.NoContext, storage.DevstorageReadWriteScope)
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if err != nil {
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return nil, err
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}
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gcs, err := storage.New(client)
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if err != nil {
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return nil, err
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}
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return &objectStorageAdapter{
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gcs: gcs,
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}, nil
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}
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func (op *objectStorageAdapter) PutObject(bucket string, key string, body io.ReadSeeker) error {
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obj := &storage.Object{
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Name: key,
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}
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_, err := op.gcs.Objects.Insert(bucket, obj).Media(body).Do()
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return err
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}
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func (op *objectStorageAdapter) GetObject(bucket string, key string) (io.ReadCloser, error) {
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res, err := op.gcs.Objects.Get(bucket, key).Download()
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if err != nil {
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return nil, err
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}
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return res.Body, nil
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}
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func (op *objectStorageAdapter) ListCommonPrefixes(bucket string, delimiter string) ([]string, error) {
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res, err := op.gcs.Objects.List(bucket).Delimiter(delimiter).Do()
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if err != nil {
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return nil, err
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}
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// GCP returns prefixes inclusive of the last delimiter. We need to strip
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// it.
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ret := make([]string, 0, len(res.Prefixes))
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for _, prefix := range res.Prefixes {
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ret = append(ret, prefix[0:strings.LastIndex(prefix, delimiter)])
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}
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return ret, nil
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}
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func (op *objectStorageAdapter) DeleteObject(bucket string, key string) error {
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return op.gcs.Objects.Delete(bucket, key).Do()
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}
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