forked from cadence-workflow/cadence
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add archival config and support file based blobstore (cadence-workflo…
- Loading branch information
1 parent
4c1f246
commit 4814b92
Showing
40 changed files
with
1,514 additions
and
334 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| // Copyright (c) 2017 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package filestore | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "sync" | ||
|
|
||
| "github.com/uber/cadence/common/blobstore" | ||
| ) | ||
|
|
||
| const ( | ||
| metadataFilename = "metadata" | ||
| ) | ||
|
|
||
| type client struct { | ||
| sync.Mutex | ||
| storeDirectory string | ||
| } | ||
|
|
||
| // NewClient returns a new Client backed by file system | ||
| func NewClient(cfg *Config) (blobstore.Client, error) { | ||
| if err := cfg.Validate(); err != nil { | ||
| return nil, err | ||
| } | ||
| if err := setupDirectories(cfg); err != nil { | ||
| return nil, err | ||
| } | ||
| if err := writeMetadataFiles(cfg); err != nil { | ||
| return nil, err | ||
| } | ||
| return &client{ | ||
| storeDirectory: cfg.StoreDirectory, | ||
| }, nil | ||
| } | ||
|
|
||
| func (c *client) UploadBlob(_ context.Context, bucket string, filename string, blob *blobstore.Blob) error { | ||
| c.Lock() | ||
| defer c.Unlock() | ||
|
|
||
| exists, err := directoryExists(bucketDirectory(c.storeDirectory, bucket)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if !exists { | ||
| return blobstore.ErrBucketNotExists | ||
| } | ||
| data, err := serializeBlob(blob) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| blobPath := bucketItemPath(c.storeDirectory, bucket, filename) | ||
| return writeFile(blobPath, data) | ||
| } | ||
|
|
||
| func (c *client) DownloadBlob(_ context.Context, bucket string, filename string) (*blobstore.Blob, error) { | ||
| c.Lock() | ||
| defer c.Unlock() | ||
|
|
||
| exists, err := directoryExists(bucketDirectory(c.storeDirectory, bucket)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if !exists { | ||
| return nil, blobstore.ErrBucketNotExists | ||
| } | ||
| blobPath := bucketItemPath(c.storeDirectory, bucket, filename) | ||
| data, err := readFile(blobPath) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| return nil, blobstore.ErrBlobNotExists | ||
| } | ||
| return nil, err | ||
| } | ||
| return deserializeBlob(data) | ||
| } | ||
|
|
||
| func (c *client) BucketMetadata(_ context.Context, bucket string) (*blobstore.BucketMetadataResponse, error) { | ||
| c.Lock() | ||
| defer c.Unlock() | ||
|
|
||
| exists, err := directoryExists(bucketDirectory(c.storeDirectory, bucket)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if !exists { | ||
| return nil, blobstore.ErrBucketNotExists | ||
| } | ||
|
|
||
| metadataFilepath := bucketItemPath(c.storeDirectory, bucket, metadataFilename) | ||
| exists, err = fileExists(metadataFilepath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if !exists { | ||
| return nil, fmt.Errorf("failed to get metadata, file at %v does not exist", metadataFilepath) | ||
| } | ||
|
|
||
| data, err := readFile(metadataFilepath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| bucketCfg, err := deserializeBucketConfig(data) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &blobstore.BucketMetadataResponse{ | ||
| Owner: bucketCfg.Owner, | ||
| RetentionDays: bucketCfg.RetentionDays, | ||
| }, nil | ||
| } | ||
|
|
||
| func setupDirectories(cfg *Config) error { | ||
| if err := mkdirAll(cfg.StoreDirectory); err != nil { | ||
| return err | ||
| } | ||
| if err := mkdirAll(bucketDirectory(cfg.StoreDirectory, cfg.DefaultBucket.Name)); err != nil { | ||
| return err | ||
| } | ||
| for _, b := range cfg.CustomBuckets { | ||
| if err := mkdirAll(bucketDirectory(cfg.StoreDirectory, b.Name)); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func writeMetadataFiles(cfg *Config) error { | ||
| writeMetadataFile := func(bucketConfig BucketConfig) error { | ||
| path := bucketItemPath(cfg.StoreDirectory, bucketConfig.Name, metadataFilename) | ||
| bytes, err := serializeBucketConfig(&bucketConfig) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to write metadata file for bucket %v: %v", bucketConfig.Name, err) | ||
| } | ||
| if err := writeFile(path, bytes); err != nil { | ||
| return fmt.Errorf("failed to write metadata file for bucket %v: %v", bucketConfig.Name, err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| if err := writeMetadataFile(cfg.DefaultBucket); err != nil { | ||
| return err | ||
| } | ||
| for _, b := range cfg.CustomBuckets { | ||
| if err := writeMetadataFile(b); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func bucketDirectory(storeDirectory string, bucketName string) string { | ||
| return filepath.Join(storeDirectory, bucketName) | ||
| } | ||
|
|
||
| func bucketItemPath(storeDirectory string, bucketName string, filename string) string { | ||
| return filepath.Join(bucketDirectory(storeDirectory, bucketName), filename) | ||
| } |
Oops, something went wrong.