mirror of https://github.com/spf13/afero.git
114 lines
3.7 KiB
Go
114 lines
3.7 KiB
Go
// Copyright © 2021 Vasily Ovchinnikov <vasily@remerge.io>.
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//
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// The code in this file is derived from afero fork github.com/Zatte/afero by Mikael Rapp
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// licensed under Apache License 2.0.
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//
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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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//
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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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package afero
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import (
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"context"
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"os"
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"time"
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"cloud.google.com/go/storage"
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"github.com/googleapis/google-cloud-go-testing/storage/stiface"
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"github.com/spf13/afero/gcsfs"
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"google.golang.org/api/option"
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)
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type GcsFs struct {
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source *gcsfs.GcsFs
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}
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// Creates a GCS file system, automatically instantiating and decorating the storage client.
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// You can provide additional options to be passed to the client creation, as per
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// cloud.google.com/go/storage documentation
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func NewGcsFS(ctx context.Context, bucketName string, opts ...option.ClientOption) (Fs, error) {
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client, err := storage.NewClient(ctx, opts...)
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if err != nil {
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return nil, err
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}
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return NewGcsFSFromClient(ctx, client, bucketName)
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}
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// The same as NewGcsFS, but the files system will use the provided folder separator.
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func NewGcsFSWithSeparator(ctx context.Context, bucketName, folderSeparator string, opts ...option.ClientOption) (Fs, error) {
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client, err := storage.NewClient(ctx, opts...)
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if err != nil {
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return nil, err
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}
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return NewGcsFSFromClientWithSeparator(ctx, client, bucketName, folderSeparator)
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}
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// Creates a GCS file system from a given storage client
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func NewGcsFSFromClient(ctx context.Context, client *storage.Client, bucketName string) (Fs, error) {
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c := stiface.AdaptClient(client)
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bucket := c.Bucket(bucketName)
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return &GcsFs{gcsfs.NewGcsFs(ctx, bucket)}, nil
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}
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// Same as NewGcsFSFromClient, but the file system will use the provided folder separator.
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func NewGcsFSFromClientWithSeparator(ctx context.Context, client *storage.Client, bucketName, folderSeparator string) (Fs, error) {
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c := stiface.AdaptClient(client)
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bucket := c.Bucket(bucketName)
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return &GcsFs{gcsfs.NewGcsFsWithSeparator(ctx, bucket, folderSeparator)}, nil
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}
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// Wraps gcs.GcsFs and convert some return types to afero interfaces.
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func (fs *GcsFs) Name() string {
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return fs.source.Name()
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}
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func (fs *GcsFs) Create(name string) (File, error) {
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return fs.source.Create(name)
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}
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func (fs *GcsFs) Mkdir(name string, perm os.FileMode) error {
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return fs.source.Mkdir(name, perm)
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}
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func (fs *GcsFs) MkdirAll(path string, perm os.FileMode) error {
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return fs.source.MkdirAll(path, perm)
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}
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func (fs *GcsFs) Open(name string) (File, error) {
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return fs.source.Open(name)
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}
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func (fs *GcsFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
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return fs.source.OpenFile(name, flag, perm)
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}
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func (fs *GcsFs) Remove(name string) error {
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return fs.source.Remove(name)
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}
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func (fs *GcsFs) RemoveAll(path string) error {
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return fs.source.RemoveAll(path)
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}
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func (fs *GcsFs) Rename(oldname, newname string) error {
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return fs.source.Rename(oldname, newname)
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}
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func (fs *GcsFs) Stat(name string) (os.FileInfo, error) {
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return fs.source.Stat(name)
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}
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func (fs *GcsFs) Chmod(name string, mode os.FileMode) error {
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return fs.source.Chmod(name, mode)
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}
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func (fs *GcsFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
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return fs.source.Chtimes(name, atime, mtime)
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}
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func (fs *GcsFs) Chown(name string, uid, gid int) error {
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return fs.source.Chown(name, uid, gid)
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}
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