storage

package
v1.1.4 Latest Latest
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 Go to latest Published: Dec 11, 2018 License: Apache-2.0 Imports: 37 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	MON_TIMEOUT         = "10"
	OSD_TIMEOUT         = "10"
	STRIPE_UNIT         = 512 << 10 /* 512K */
	STRIPE_COUNT        = 1
	OBJECT_SIZE         = 4 << 20         /* 4M */
	BUFFER_SIZE         = 1 << 20         /* 1M */
	MIN_CHUNK_SIZE      = 512 << 10       /* 512K */
	MAX_CHUNK_SIZE      = 4 * BUFFER_SIZE /* 4M */
	SMALL_FILE_POOLNAME = "rabbit"
	BIG_FILE_POOLNAME   = "tiger"
	BIG_FILE_THRESHOLD  = 128 << 10 /* 128K */
	AIO_CONCURRENT      = 4
)
View Source 
const (
	MAX_PART_SIZE   = 5 << 30 // 5GB
	MAX_PART_NUMBER = 10000
)
View Source 
const (
	RECYCLE_QUEUE_SIZE = 100
	MAX_TRY_TIMES      = 3
)
View Source 
const (
	AES_BLOCK_SIZE               = 16
	ENCRYPTION_KEY_LENGTH        = 32 // key size for AES-"256"
	INITIALIZATION_VECTOR_LENGTH = 16 // block size of AES
	DEFAULT_CEPHCONFIG_PATTERN   = "conf/*.conf"
)
View Source 
const CLUSTER_MAX_USED_SPACE_PERCENT = 85
View Source 
const (
	// only objects smaller than threshold are cached
	FILE_CACHE_THRESHOLD_SIZE = 4 << 20 // 4M
)

Variables

View Source 
var RecycleQueue chan objectToRecycle
View Source 
var (
	RootContext = context.Background()
)

Functions

This section is empty.

Types

type CephStorage added in v1.1.0 

type CephStorage struct {
	Name       string
	Conn       *rados.Conn
	InstanceId uint64
	Logger     *log.Logger
	CountMutex *sync.Mutex
	Counter    uint64
}

func NewCephStorage added in v1.1.0 

func NewCephStorage(configFile string, logger *log.Logger) *CephStorage

func (*CephStorage) GetUniqUploadName added in v1.1.0 

func (cluster *CephStorage) GetUniqUploadName() string

func (*CephStorage) GetUsedSpacePercent added in v1.1.0 

func (cluster *CephStorage) GetUsedSpacePercent() (pct int, err error)

func (*CephStorage) Put added in v1.1.0 

func (cluster *CephStorage) Put(poolname string, oid string, data io.Reader) (size int64, err error)

func (*CephStorage) Remove added in v1.1.0 

func (cluster *CephStorage) Remove(poolname string, oid string) error

func (*CephStorage) Shutdown added in v1.1.0 

func (c *CephStorage) Shutdown()

type DataCache 

type DataCache interface {
	WriteFromCache(object *meta.Object, startOffset int64, length int64,
		out io.Writer, writeThrough func(io.Writer) error,
		onCacheMiss func(io.Writer) error) error
	GetAlignedReader(object *meta.Object, startOffset int64, length int64,
		readThrough func() (io.ReadCloser, error),
		onCacheMiss func(io.Writer) error) (io.ReadCloser, error)
	Remove(key string)
}

type RadosDownloader added in v1.1.0 

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

func (*RadosDownloader) Close added in v1.1.0 

func (rd *RadosDownloader) Close() error

func (*RadosDownloader) Read added in v1.1.0 

func (rd *RadosDownloader) Read(p []byte) (n int, err error)

func (*RadosDownloader) Seek added in v1.1.0 

func (rd *RadosDownloader) Seek(offset int64, whence int) (int64, error)

type RadosSmallDownloader added in v1.1.0 

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

func (*RadosSmallDownloader) Close added in v1.1.0 

func (rd *RadosSmallDownloader) Close() error

func (*RadosSmallDownloader) Read added in v1.1.0 

func (rd *RadosSmallDownloader) Read(p []byte) (n int, err error)

func (*RadosSmallDownloader) Seek added in v1.1.0 

func (rd *RadosSmallDownloader) Seek(offset int64, whence int) (int64, error)

type ReadCloser 

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

func (*ReadCloser) Close 

func (r *ReadCloser) Close() error

func (*ReadCloser) Read 

func (r *ReadCloser) Read(b []byte) (n int, err error)

type YigStorage 

type YigStorage struct {
	DataStorage map[string]*CephStorage
	DataCache   DataCache
	MetaStorage *meta.Meta
	KMS         crypto.KMS
	Logger      *log.Logger
	Stopping    bool
	WaitGroup   *sync.WaitGroup
}

*YigStorage implements api.ObjectLayer

func New 

func New(logger *log.Logger, metaCacheType int, enableDataCache bool, CephConfigPattern string) *YigStorage

func (*YigStorage) AbortMultipartUpload 

func (yig *YigStorage) AbortMultipartUpload(credential common.Credential,
	bucketName, objectName, uploadId string) error

func (*YigStorage) CompleteMultipartUpload 

func (yig *YigStorage) CompleteMultipartUpload(credential common.Credential, bucketName,
	objectName, uploadId string, uploadedParts []meta.CompletePart) (result datatype.CompleteMultipartResult,
	err error)

func (*YigStorage) CopyObject 

func (yig *YigStorage) CopyObject(targetObject *meta.Object, source io.Reader, credential common.Credential,
	sseRequest datatype.SseRequest) (result datatype.PutObjectResult, err error)

func (*YigStorage) CopyObjectPart 

func (yig *YigStorage) CopyObjectPart(bucketName, objectName, uploadId string, partId int,
	size int64, data io.Reader, credential common.Credential,
	sseRequest datatype.SseRequest) (result datatype.PutObjectResult, err error)

func (*YigStorage) DelBucketLc added in v1.1.0 

func (yig *YigStorage) DelBucketLc(bucketName string, credential common.Credential) error

func (*YigStorage) DeleteBucket 

func (yig *YigStorage) DeleteBucket(bucketName string, credential common.Credential) (err error)

func (*YigStorage) DeleteBucketCors 

func (yig *YigStorage) DeleteBucketCors(bucketName string, credential common.Credential) error

func (*YigStorage) DeleteBucketPolicy 

func (yig *YigStorage) DeleteBucketPolicy(credential common.Credential, bucketName string) error

func (*YigStorage) DeleteObject 

func (yig *YigStorage) DeleteObject(bucketName string, objectName string, version string,
	credential common.Credential) (result datatype.DeleteObjectResult, err error)

When bucket versioning is Disabled/Enabled/Suspended, and request versionId is set/unset:

| | with versionId | without versionId | |-----------|------------------------------|--------------------------------------------------------| | Disabled | error | remove object | | Enabled | remove corresponding version | add a delete marker | | Suspended | remove corresponding version | remove null version object(if exists) and add a | | | | null version delete marker |

See http://docs.aws.amazon.com/AmazonS3/latest/dev/Versioning.html

func (*YigStorage) GetBucket 

func (yig *YigStorage) GetBucket(bucketName string) (meta.Bucket, error)

For INTERNAL USE ONLY

func (*YigStorage) GetBucketAcl 

func (yig *YigStorage) GetBucketAcl(bucketName string, credential common.Credential) (
	policy datatype.AccessControlPolicyResponse, err error)

func (*YigStorage) GetBucketCors 

func (yig *YigStorage) GetBucketCors(bucketName string,
	credential common.Credential) (cors datatype.Cors, err error)

func (*YigStorage) GetBucketInfo 

func (yig *YigStorage) GetBucketInfo(bucketName string,
	credential common.Credential) (bucket meta.Bucket, err error)

func (*YigStorage) GetBucketLc added in v1.1.0 

func (yig *YigStorage) GetBucketLc(bucketName string, credential common.Credential) (lc datatype.Lc,
	err error)

func (*YigStorage) GetBucketPolicy 

func (yig *YigStorage) GetBucketPolicy(credential common.Credential, bucketName string) (bucketPolicy policy.Policy, err error)

func (*YigStorage) GetBucketVersioning 

func (yig *YigStorage) GetBucketVersioning(bucketName string, credential common.Credential) (
	versioning datatype.Versioning, err error)

func (*YigStorage) GetClusterByFsName 

func (yig *YigStorage) GetClusterByFsName(fsName string) (cluster *CephStorage, err error)

func (*YigStorage) GetObject 

func (yig *YigStorage) GetObject(object *meta.Object, startOffset int64,
	length int64, writer io.Writer, sseRequest datatype.SseRequest) (err error)

func (*YigStorage) GetObjectAcl 

func (yig *YigStorage) GetObjectAcl(bucketName string, objectName string,
	version string, credential common.Credential) (policy datatype.AccessControlPolicyResponse, err error)

func (*YigStorage) GetObjectInfo 

func (yig *YigStorage) GetObjectInfo(bucketName string, objectName string,
	version string, credential common.Credential) (object *meta.Object, err error)

func (*YigStorage) ListBuckets 

func (yig *YigStorage) ListBuckets(credential common.Credential) (buckets []meta.Bucket, err error)

func (*YigStorage) ListMultipartUploads 

func (yig *YigStorage) ListMultipartUploads(credential common.Credential, bucketName string,
	request datatype.ListUploadsRequest) (result datatype.ListMultipartUploadsResponse, err error)

func (*YigStorage) ListObjectParts 

func (yig *YigStorage) ListObjectParts(credential common.Credential, bucketName, objectName string,
	request datatype.ListPartsRequest) (result datatype.ListPartsResponse, err error)

func (*YigStorage) ListObjects 

func (yig *YigStorage) ListObjects(credential common.Credential, bucketName string,
	request datatype.ListObjectsRequest) (result meta.ListObjectsInfo, err error)

func (*YigStorage) ListObjectsInternal 

func (yig *YigStorage) ListObjectsInternal(bucketName string,
	request datatype.ListObjectsRequest) (retObjects []*meta.Object, prefixes []string, truncated bool,
	nextMarker, nextVerIdMarker string, err error)

func (*YigStorage) ListVersionedObjects 

func (yig *YigStorage) ListVersionedObjects(credential common.Credential, bucketName string,
	request datatype.ListObjectsRequest) (result meta.VersionedListObjectsInfo, err error)

TODO: refactor, similar to ListObjects or not?

func (*YigStorage) MakeBucket 

func (yig *YigStorage) MakeBucket(bucketName string, acl datatype.Acl,
	credential common.Credential) error

func (*YigStorage) NewMultipartUpload 

func (yig *YigStorage) NewMultipartUpload(credential common.Credential, bucketName, objectName string,
	metadata map[string]string, acl datatype.Acl,
	sseRequest datatype.SseRequest) (uploadId string, err error)

func (*YigStorage) PickOneClusterAndPool added in v1.1.0 

func (yig *YigStorage) PickOneClusterAndPool(bucket string, object string, size int64) (cluster *CephStorage,
	poolName string)

func (*YigStorage) PutObject 

func (yig *YigStorage) PutObject(bucketName string, objectName string, credential common.Credential,
	size int64, data io.Reader, metadata map[string]string, acl datatype.Acl,
	sseRequest datatype.SseRequest) (result datatype.PutObjectResult, err error)

Write path: 

+-----------+

PUT object/part | | Ceph 

+---------+------------+----------+ Encryptor +----->
          |            |          |           |
          |            |          +-----------+
          v            v
         SHA256      MD5(ETag)

SHA256 is calculated only for v4 signed authentication Encryptor is enabled when user set SSE headers

func (*YigStorage) PutObjectPart 

func (yig *YigStorage) PutObjectPart(bucketName, objectName string, credential common.Credential,
	uploadId string, partId int, size int64, data io.Reader, md5Hex string,
	sseRequest datatype.SseRequest) (result datatype.PutObjectPartResult, err error)

func (*YigStorage) SetBucketAcl 

func (yig *YigStorage) SetBucketAcl(bucketName string, policy datatype.AccessControlPolicy, acl datatype.Acl,
	credential common.Credential) error

func (*YigStorage) SetBucketCors 

func (yig *YigStorage) SetBucketCors(bucketName string, cors datatype.Cors,
	credential common.Credential) error

func (*YigStorage) SetBucketLc added in v1.1.0 

func (yig *YigStorage) SetBucketLc(bucketName string, lc datatype.Lc,
	credential common.Credential) error

func (*YigStorage) SetBucketPolicy 

func (yig *YigStorage) SetBucketPolicy(credential common.Credential, bucketName string, bucketPolicy policy.Policy) (err error)

func (*YigStorage) SetBucketVersioning 

func (yig *YigStorage) SetBucketVersioning(bucketName string, versioning datatype.Versioning,
	credential common.Credential) error

func (*YigStorage) SetObjectAcl 

func (yig *YigStorage) SetObjectAcl(bucketName string, objectName string, version string,
	policy datatype.AccessControlPolicy, acl datatype.Acl, credential common.Credential) error

func (*YigStorage) Stop 

func (y *YigStorage) Stop()

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