storage

package
v0.12.0 Latest Latest
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 Go to latest Published: Apr 12, 2020 License: Apache-2.0 Imports: 30 Imported by: 0

Documentation

Overview

Copyright 2019 The OpenSDS Authors.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2019 The OpenSDS Authors.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

View Source 
const (
	MON_TIMEOUT         = "10"
	OSD_TIMEOUT         = "10"
	STRIPE_UNIT         = 512 << 10 /* 512K */
	STRIPE_COUNT        = 2
	OBJECT_SIZE         = 8 << 20         /* 8M */
	BUFFER_SIZE         = 1 << 20         /* 1M */
	MIN_CHUNK_SIZE      = 512 << 10       /* 512K */
	MAX_CHUNK_SIZE      = 8 * BUFFER_SIZE /* 8M */
	SMALL_FILE_POOLNAME = "rabbit"
	BIG_FILE_POOLNAME   = "tiger"
	BIG_FILE_THRESHOLD  = 128 << 10 /* 128K */
	AIO_CONCURRENT      = 4
)
View Source 
const (
	GC_OBJECT_LIMIT_NUM = 10000
	// max interval time of gc in seconds.
	GC_MAX_INTERVAL_TIME   = 3600
	CEPH_OBJ_NON_EXIST_ERR = "rados: ret=-2"
)
View Source 
const (
	MAX_PART_SIZE   = 5 << 30 // 5GB
	MIN_PART_SIZE   = 5 << 20 // 5MB
	MIN_PART_NUMBER = 1
	MAX_PART_NUMBER = 10000
)
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

Variables

View Source 
var (
	RootContext = context.Background()
)

Functions

This section is empty.

Types

type CephStorage 

type CephStorage struct {
	Name       string
	Conn       *rados.Conn
	InstanceId uint64
	CountMutex *sync.Mutex
	Counter    uint64
	BufPool    *sync.Pool
	BigBufPool *sync.Pool
}

func NewCephStorage 

func NewCephStorage(configFile string) *CephStorage

func (*CephStorage) Append 

func (cluster *CephStorage) Append(poolname string, oid string, data io.Reader, offset uint64, isExist bool) (size int64, err error)

func (*CephStorage) GetUniqUploadName 

func (cluster *CephStorage) GetUniqUploadName() string

func (*CephStorage) GetUsedSpacePercent 

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

func (*CephStorage) Put 

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

func (*CephStorage) Remove 

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

func (*CephStorage) Shutdown 

func (c *CephStorage) Shutdown()

type GcMgr 

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

func NewGcMgr 

func NewGcMgr(ctx context.Context, yig *YigStorage, loopTime int64) *GcMgr

func (*GcMgr) CreateGcObjectRecordCleanStream 

func (gm *GcMgr) CreateGcObjectRecordCleanStream(in ...<-chan *GcObjectResult) <-chan *GcObjectResult

func (*GcMgr) CreateObjectDeleteStream 

func (gm *GcMgr) CreateObjectDeleteStream(in <-chan *types.GcObject) <-chan *GcObjectResult

func (*GcMgr) QueryGcObjectStream 

func (gm *GcMgr) QueryGcObjectStream() <-chan *types.GcObject

func (*GcMgr) Start 

func (gm *GcMgr) Start()

func (*GcMgr) Stop 

func (gm *GcMgr) Stop()

type GcObjectResult 

type GcObjectResult struct {
	ErrNo    S3ErrorCode
	Err      error
	Id       int64
	ObjectId string
}

type MultipartReader 

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

func NewMultipartReader 

func NewMultipartReader(yig *YigStorage, uploadIdStr string, start int64, end int64) (*MultipartReader, error)

func (*MultipartReader) Close 

func (mr *MultipartReader) Close() error

func (*MultipartReader) Read 

func (mr *MultipartReader) Read(p []byte) (int, error)

type ObjectMetaInfo 

type ObjectMetaInfo struct {
	Cluster string
	Pool    string
}

func ParseObjectMeta 

func ParseObjectMeta(meta string) (ObjectMetaInfo, error)

type RadosDownloader 

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

func (*RadosDownloader) Close 

func (rd *RadosDownloader) Close() error

func (*RadosDownloader) Read 

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

func (*RadosDownloader) Seek 

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

type RadosSmallDownloader 

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

func (*RadosSmallDownloader) Close 

func (rd *RadosSmallDownloader) Close() error

func (*RadosSmallDownloader) Read 

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

func (*RadosSmallDownloader) Seek 

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

type YigStorage 

type YigStorage struct {
	DataStorage map[string]*CephStorage
	MetaStorage *meta.Meta
	KMS         crypto.KMS
	Stopping    bool
	// contains filtered or unexported fields
}

YigStorage implements StorageDriver

func New 

func New(cfg *config.Config) (*YigStorage, error)

func (*YigStorage) AbortMultipartUpload 

func (yig *YigStorage) AbortMultipartUpload(ctx context.Context, multipartUpload *pb.MultipartUpload) error

func (*YigStorage) ChangeStorageClass 

func (yig *YigStorage) ChangeStorageClass(ctx context.Context, object *pb.Object, newClass *string) error

func (*YigStorage) Close 

func (y *YigStorage) Close() error

func (*YigStorage) CompleteMultipartUpload 

func (yig *YigStorage) CompleteMultipartUpload(ctx context.Context, multipartUpload *pb.MultipartUpload,
	completeUpload *model.CompleteMultipartUpload) (*model.CompleteMultipartUploadResult, error)

func (*YigStorage) Copy 

func (yig *YigStorage) Copy(ctx context.Context, stream io.Reader, target *pb.Object) (result dscommon.PutResult, err error)

func (*YigStorage) Delete 

func (yig *YigStorage) Delete(ctx context.Context, object *pb.DeleteObjectInput) error

* @objectId: input object id which will be deleted. * Below is the process logic: * 1. check whether objectId is multipart uploaded, if so * retrieve all the object ids from multiparts and put them into gc. * or else, put it into gc. *

func (*YigStorage) Get 

func (yig *YigStorage) Get(ctx context.Context, object *pb.Object, start int64, end int64) (io.ReadCloser, error)

func (*YigStorage) GetClusterByFsName 

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

func (*YigStorage) InitMultipartUpload 

func (yig *YigStorage) InitMultipartUpload(ctx context.Context, object *pb.Object) (*pb.MultipartUpload, error)

func (*YigStorage) ListParts 

func (yig *YigStorage) ListParts(ctx context.Context, multipartUpload *pb.ListParts) (*model.ListPartsOutput, error)

func (*YigStorage) PickOneClusterAndPool 

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

func (*YigStorage) Put 

func (yig *YigStorage) Put(ctx context.Context, stream io.Reader, obj *pb.Object) (result dscommon.PutResult,
	err error)

ctx should contain below elements: * size: object size. * encryptionKey: * md5: the md5 put by user for the uploading object.

func (*YigStorage) UploadPart 

func (yig *YigStorage) UploadPart(ctx context.Context, stream io.Reader, multipartUpload *pb.MultipartUpload,
	partNumber int64, upBytes int64) (*model.UploadPartResult, error)

Source Files

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