object

package
v0.15.0 Latest Latest
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 Go to latest Published: Jul 5, 2021 License: AGPL-3.0 Imports: 87 Imported by: 15

README

The following object store are supported:

  • file: local files
  • sftp: FTP via SSH
  • s3: Amazon S3
  • hdfs: Hadoop File System (HDFS)
  • gcs: Google Cloud Storage
  • wasb: Windows Azure Blob Storage
  • oss: Aliyun OSS
  • cos: Tencent Cloud COS
  • ks3: KSYun KS3
  • ufile: UCloud UFile
  • qingstor: Qingcloud QingStor
  • bos: Baidu Cloud Object Storage
  • jss: JCloud Object Storage
  • qiniu: Qiniu
  • b2: Backblaze B2
  • space: Digital Ocean Space
  • obs: Huawei Object Storage Service
  • oos: CTYun OOS
  • scw: Scaleway Object Storage
  • minio: MinIO
  • scs: Sina Cloud Storage
  • eos: ECloud (China Mobile Cloud) Object Storage

they should be specified in the following format:

[NAME://][ACCESS_KEY:SECRET_KEY@]BUCKET[.ENDPOINT][/PREFIX]

Some examples:

  • local/path
  • user@host:port:path
  • file:///Users/me/code/
  • hdfs://hdfs@namenode1:9000,namenode2:9000/user/
  • s3://my-bucket/
  • s3://access-key:secret-key-id@my-bucket/prefix
  • wasb://account-name:account-key@my-container/prefix
  • gcs://my-bucket.us-west1.googleapi.com/
  • oss://test
  • cos://test-1234
  • obs://my-bucket
  • bos://my-bucket
  • minio://myip:9000/bucket
  • scs://access-key:secret-key-id@my-bucket.sinacloud.net/prefix

Note:

  • It's recommended to run it in the target region to have better performance.
  • Auto discover endpoint for bucket of S3, OSS, COS, OBS, BOS, SRC and DST can use format NAME://[ACCESS_KEY:SECRET_KEY@]BUCKET[/PREFIX] . ACCESS_KEY and SECRET_KEY can be provided by corresponding environment variables (see below).
  • S3:
    • The access key and secret key for S3 could be provided by AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY, or IAM role.
  • Wasb(Windows Azure Storage Blob)
    • The account name and account key can be provided as connection string by AZURE_STORAGE_CONNECTION_STRING.
  • GCS: The machine should be authorized to access Google Cloud Storage.
  • OSS:
    • The credential can be provided by environment variable ALICLOUD_ACCESS_KEY_ID and ALICLOUD_ACCESS_KEY_SECRET , RAM role, EMR MetaService.
  • COS:
    • The AppID should be part of the bucket name.
    • The credential can be provided by environment variable COS_SECRETID and COS_SECRETKEY.
  • OBS:
    • The credential can be provided by environment variable HWCLOUD_ACCESS_KEY and HWCLOUD_SECRET_KEY .
  • BOS:
    • The credential can be provided by environment variable BDCLOUD_ACCESS_KEY and BDCLOUD_SECRET_KEY .
  • Qiniu: The S3 endpoint should be used for Qiniu, for example, abc.cn-north-1-s3.qiniu.com. If there are keys starting with "/", the domain should be provided as QINIU_DOMAIN.
  • sftp: if your target machine uses SSH certificates instead of password, you should pass the path to your private key file to the environment variable SSH_PRIVATE_KEY_PATH, like SSH_PRIVATE_KEY_PATH=/home/someuser/.ssh/id_rsa juicefs sync [src] [dst].
  • Scaleway:
    • The credential can be provided by environment variable SCW_ACCESS_KEY and SCW_SECRET_KEY .
  • MinIO:
    • The credential can be provided by environment variable MINIO_ACCESS_KEY and MINIO_SECRET_KEY .

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var HEADER_NAMES = []string{"Content-MD5", "Content-Type", "Date"}
View Source 
var UserAgent = "JuiceFS"

Functions

func ExportRsaPrivateKeyToPem 

func ExportRsaPrivateKeyToPem(key *rsa.PrivateKey, passphrase string) string

func ListAll 

func ListAll(store ObjectStorage, prefix, marker string) (<-chan Object, error)

ListAll on all the keys that starts at marker from object storage.

func MarshalObject 

func MarshalObject(o Object) map[string]interface{}

func ParseRsaPrivateKeyFromPath 

func ParseRsaPrivateKeyFromPath(path, passphrase string) (*rsa.PrivateKey, error)

func ParseRsaPrivateKeyFromPem 

func ParseRsaPrivateKeyFromPem(privPEM string, passphrase string) (*rsa.PrivateKey, error)

func Register 

func Register(name string, register Creator)

func Walk added in v0.10.0 

func Walk(root string, walkFn filepath.WalkFunc) error

Walk walks the file tree rooted at root, calling walkFn for each file or directory in the tree, including root. All errors that arise visiting files and directories are filtered by walkFn. The files are walked in lexical order, which makes the output deterministic but means that for very large directories Walk can be inefficient. Walk always follow symbolic links.

Types

type COS 

type COS struct {
	// contains filtered or unexported fields
}

func (*COS) AbortUpload 

func (c *COS) AbortUpload(key string, uploadID string)

func (*COS) CompleteUpload 

func (c *COS) CompleteUpload(key string, uploadID string, parts []*Part) error

func (*COS) Copy 

func (c *COS) Copy(dst, src string) error

func (*COS) Create 

func (c *COS) Create() error

func (*COS) CreateMultipartUpload 

func (c *COS) CreateMultipartUpload(key string) (*MultipartUpload, error)

func (*COS) Delete 

func (c *COS) Delete(key string) error

func (*COS) Get 

func (c *COS) Get(key string, off, limit int64) (io.ReadCloser, error)

func (*COS) Head 

func (c *COS) Head(key string) (Object, error)

func (*COS) List 

func (c *COS) List(prefix, marker string, limit int64) ([]Object, error)

func (*COS) ListAll 

func (c *COS) ListAll(prefix, marker string) (<-chan Object, error)

func (*COS) ListUploads 

func (c *COS) ListUploads(marker string) ([]*PendingPart, string, error)

func (*COS) Put 

func (c *COS) Put(key string, in io.Reader) error

func (*COS) String 

func (c *COS) String() string

func (*COS) UploadPart 

func (c *COS) UploadPart(key string, uploadID string, num int, body []byte) (*Part, error)

type Contents added in v0.1.4 

type Contents struct {
	Key          string
	Size         int64
	LastModified time.Time
}

type Creator 

type Creator func(bucket, accessKey, secretKey string) (ObjectStorage, error)

type DataItem 

type DataItem struct {
	FileName   string
	Size       int64
	ModifyTime int
}

type DefaultObjectStorage 

type DefaultObjectStorage struct{}

func (DefaultObjectStorage) AbortUpload 

func (s DefaultObjectStorage) AbortUpload(key string, uploadID string)

func (DefaultObjectStorage) CompleteUpload 

func (s DefaultObjectStorage) CompleteUpload(key string, uploadID string, parts []*Part) error

func (DefaultObjectStorage) Create 

func (s DefaultObjectStorage) Create() error

func (DefaultObjectStorage) CreateMultipartUpload 

func (s DefaultObjectStorage) CreateMultipartUpload(key string) (*MultipartUpload, error)

func (DefaultObjectStorage) Head 

func (s DefaultObjectStorage) Head(key string) (Object, error)

func (DefaultObjectStorage) List 

func (s DefaultObjectStorage) List(prefix, marker string, limit int64) ([]Object, error)

func (DefaultObjectStorage) ListAll 

func (s DefaultObjectStorage) ListAll(prefix, marker string) (<-chan Object, error)

func (DefaultObjectStorage) ListUploads 

func (s DefaultObjectStorage) ListUploads(marker string) ([]*PendingPart, string, error)

func (DefaultObjectStorage) UploadPart 

func (s DefaultObjectStorage) UploadPart(key string, uploadID string, num int, body []byte) (*Part, error)

type Encryptor 

type Encryptor interface {
	Encrypt(plaintext []byte) ([]byte, error)
	Decrypt(ciphertext []byte) ([]byte, error)
}

func NewAESEncryptor added in v0.11.0 

func NewAESEncryptor(keyEncryptor Encryptor) Encryptor

func NewRSAEncryptor 

func NewRSAEncryptor(privKey *rsa.PrivateKey) Encryptor

type File 

type File interface {
	Object
	Owner() string
	Group() string
	Mode() os.FileMode
}

type FileSystem 

type FileSystem interface {
	MtimeChanger
	Chmod(path string, mode os.FileMode) error
	Chown(path string, owner, group string) error
}

type ListBucketResult added in v0.1.4 

type ListBucketResult struct {
	Contents       []*Contents
	IsTruncated    bool
	Prefix         string
	Marker         string
	MaxKeys        string
	NextMarker     string
	CommonPrefixes string
}

ListObjectsOutput presents output for ListObjects.

type ListResult added in v0.11.0 

type ListResult struct {
	ObjectSummaries []ObjectSummaries
	BucketName      string
	Prefix          string
	MaxKeys         int
}

ListOutput presents output for ListObjects.

type MtimeChanger 

type MtimeChanger interface {
	Chtimes(path string, mtime time.Time) error
}

type MultipartUpload 

type MultipartUpload struct {
	MinPartSize int
	MaxCount    int
	UploadID    string
}

type Object 

type Object interface {
	Key() string
	Size() int64
	Mtime() time.Time
	IsDir() bool
}

func UnmarshalObject 

func UnmarshalObject(m map[string]interface{}) Object

type ObjectStorage 

type ObjectStorage interface {
	// Description of the object storage.
	String() string
	// Create the bucket if not existed.
	Create() error
	// Get the data for the given object specified by key.
	Get(key string, off, limit int64) (io.ReadCloser, error)
	// Put data read from a reader to an object specified by key.
	Put(key string, in io.Reader) error
	// Delete a object.
	Delete(key string) error

	// Head returns some information about the object or an error if not found.
	Head(key string) (Object, error)
	// List returns a list of objects.
	List(prefix, marker string, limit int64) ([]Object, error)
	// ListAll returns all the objects as an channel.
	ListAll(prefix, marker string) (<-chan Object, error)

	// CreateMultipartUpload starts to upload a large object part by part.
	CreateMultipartUpload(key string) (*MultipartUpload, error)
	// UploadPart upload a part of an object.
	UploadPart(key string, uploadID string, num int, body []byte) (*Part, error)
	// AbortUpload abort a multipart upload.
	AbortUpload(key string, uploadID string)
	// CompleteUpload finish an multipart upload.
	CompleteUpload(key string, uploadID string, parts []*Part) error
	// ListUploads lists existing multipart uploads.
	ListUploads(marker string) ([]*PendingPart, string, error)
}

ObjectStorage is the interface for object storage. all of these API should be idempotent.

func CreateStorage 

func CreateStorage(name, endpoint, accessKey, secretKey string) (ObjectStorage, error)

func NewEncrypted 

func NewEncrypted(o ObjectStorage, enc Encryptor) ObjectStorage

NewEncrypted returns a encrypted object storage

func NewSharded 

func NewSharded(name, endpoint, ak, sk string, shards int) (ObjectStorage, error)

func WithMetrics added in v0.11.0 

func WithMetrics(os ObjectStorage) ObjectStorage

WithMetrics returns a object storage that exposes metrics of requests.

func WithPrefix 

func WithPrefix(os ObjectStorage, prefix string) ObjectStorage

WithPrefix retuns a object storage that add a prefix to keys.

type ObjectSummaries added in v0.11.0 

type ObjectSummaries struct {
	Key          string
	Size         int64
	LastModified int64
}

type Part 

type Part struct {
	Num  int
	Size int
	ETag string
}

type PendingPart 

type PendingPart struct {
	Key      string
	UploadID string
	Created  time.Time
}

type RestfulStorage 

type RestfulStorage struct {
	DefaultObjectStorage
	// contains filtered or unexported fields
}

func (*RestfulStorage) Copy 

func (s *RestfulStorage) Copy(dst, src string) error

func (*RestfulStorage) Delete 

func (s *RestfulStorage) Delete(key string) error

func (*RestfulStorage) Get 

func (s *RestfulStorage) Get(key string, off, limit int64) (io.ReadCloser, error)

func (*RestfulStorage) Head 

func (s *RestfulStorage) Head(key string) (Object, error)

func (*RestfulStorage) List 

func (s *RestfulStorage) List(prefix, marker string, limit int64) ([]Object, error)

func (*RestfulStorage) Put 

func (u *RestfulStorage) Put(key string, body io.Reader) error

func (*RestfulStorage) String 

func (s *RestfulStorage) String() string

Source Files

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