mirror of https://github.com/harness/drone.git
95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
// Copyright 2023 Harness, Inc.
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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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//
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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 blob
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import (
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"context"
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"fmt"
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"io"
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"os"
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"path"
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"github.com/rs/zerolog/log"
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)
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const (
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fileDiskPathFmt = "%s/%s"
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)
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type FileSystemStore struct {
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basePath string
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}
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func NewFileSystemStore(cfg Config) (Store, error) {
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return &FileSystemStore{
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basePath: cfg.Bucket,
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}, nil
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}
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func (c FileSystemStore) Upload(ctx context.Context,
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file io.Reader,
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filePath string,
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) error {
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fileDiskPath := fmt.Sprintf(fileDiskPathFmt, c.basePath, filePath)
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dir, _ := path.Split(fileDiskPath)
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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err = os.MkdirAll(dir, os.ModeDir|os.ModePerm)
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if err != nil {
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return fmt.Errorf("failed to create parent directory for the file: %w", err)
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}
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}
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destinationFile, err := os.Create(fileDiskPath)
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if err != nil {
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return fmt.Errorf("failed to create file: %w", err)
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}
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defer func() {
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cErr := destinationFile.Close()
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if cErr != nil {
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log.Ctx(ctx).Err(cErr).
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Msgf("failed to close destination file '%s' in directory '%s'", filePath, c.basePath)
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}
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}()
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if _, err := io.Copy(destinationFile, file); err != nil {
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// Remove the file if it was created.
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removeErr := os.Remove(fileDiskPath)
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if removeErr != nil {
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return fmt.Errorf("failed to remove file: %w", removeErr)
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}
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return fmt.Errorf("failed to write file to filesystem: %w", err)
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}
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return nil
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}
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func (c FileSystemStore) GetSignedURL(_ string) (string, error) {
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return "", ErrNotSupported
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}
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func (c *FileSystemStore) Download(_ context.Context, filePath string) (io.ReadCloser, error) {
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fileDiskPath := fmt.Sprintf(fileDiskPathFmt, c.basePath, filePath)
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file, err := os.Open(fileDiskPath)
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if os.IsNotExist(err) {
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return nil, ErrNotFound
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}
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if err != nil {
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return nil, fmt.Errorf("failed to open file: %w", err)
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}
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return io.ReadCloser(file), nil
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}
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