metainfo

package
v0.28.0 Latest Latest
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 Go to latest Published: Dec 17, 2019 License: AGPL-3.0 Imports: 36 Imported by: 1

Documentation

Index

Constants

View Source 
const (
	// BoltPointerBucket is the string representing the bucket used for `PointerEntries` in BoltDB
	BoltPointerBucket = "pointers"
)

Variables

View Source 
var (
	// LoopError is a standard error class for this component.
	LoopError = errs.Class("metainfo loop error")
	// LoopClosedError is a loop closed error.
	LoopClosedError = LoopError.New("loop closed")
)
View Source 
var (

	// Error general metainfo error
	Error = errs.Class("metainfo error")
	// ErrNodeAlreadyExists pointer already has a piece for a node err
	ErrNodeAlreadyExists = errs.Class("metainfo error: node already exists")
)

Functions

func CreatePath 

func CreatePath(ctx context.Context, projectID uuid.UUID, segmentIndex int64, bucket, path []byte) (_ storj.Path, err error)

CreatePath creates a Segment path.

func IterateDatabase added in v0.26.0 

func IterateDatabase(ctx context.Context, db PointerDB, observers ...Observer) error

IterateDatabase iterates over PointerDB and notifies specified observers about results.

Types

type APIKeys 

type APIKeys interface {
	GetByHead(ctx context.Context, head []byte) (*console.APIKeyInfo, error)
}

APIKeys is api keys store methods used by endpoint

architecture: Database

type BucketsDB added in v0.15.0 

type BucketsDB interface {
	// Create creates a new bucket
	CreateBucket(ctx context.Context, bucket storj.Bucket) (_ storj.Bucket, err error)
	// Get returns an existing bucket
	GetBucket(ctx context.Context, bucketName []byte, projectID uuid.UUID) (bucket storj.Bucket, err error)
	// UpdateBucket updates an existing bucket
	UpdateBucket(ctx context.Context, bucket storj.Bucket) (_ storj.Bucket, err error)
	// Delete deletes a bucket
	DeleteBucket(ctx context.Context, bucketName []byte, projectID uuid.UUID) (err error)
	// List returns all buckets for a project
	ListBuckets(ctx context.Context, projectID uuid.UUID, listOpts storj.BucketListOptions, allowedBuckets macaroon.AllowedBuckets) (bucketList storj.BucketList, err error)
}

BucketsDB is the interface for the database to interact with buckets

architecture: Database

type Config added in v0.11.0 

type Config struct {
	DatabaseURL          string        `help:"the database connection string to use" releaseDefault:"postgres://" devDefault:"bolt://$CONFDIR/pointerdb.db"`
	MinRemoteSegmentSize memory.Size   `default:"1240" help:"minimum remote segment size"`
	MaxInlineSegmentSize memory.Size   `default:"8000" help:"maximum inline segment size"`
	MaxCommitInterval    time.Duration `default:"48h" help:"maximum time allowed to pass between creating and committing a segment"`
	Overlay              bool          `default:"true" help:"toggle flag if overlay is enabled"`
	RS                   RSConfig      `help:"redundancy scheme configuration"`
	Loop                 LoopConfig    `help:"metainfo loop configuration"`
}

Config is a configuration struct that is everything you need to start a metainfo

type Endpoint 

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

Endpoint metainfo endpoint.

architecture: Endpoint

func NewEndpoint 

func NewEndpoint(log *zap.Logger, metainfo *Service, orders *orders.Service, cache *overlay.Service,
	attributions attribution.DB, partners *rewards.PartnersService, peerIdentities overlay.PeerIdentities,
	apiKeys APIKeys, projectUsage *accounting.Service, rsConfig RSConfig, satellite signing.Signer, maxCommitInterval time.Duration) *Endpoint

NewEndpoint creates new metainfo endpoint instance

func (*Endpoint) Batch added in v0.17.0 

func (endpoint *Endpoint) Batch(ctx context.Context, req *pb.BatchRequest) (resp *pb.BatchResponse, err error)

Batch handle requests sent in batch

func (*Endpoint) BeginDeleteObject added in v0.16.0 

func (endpoint *Endpoint) BeginDeleteObject(ctx context.Context, req *pb.ObjectBeginDeleteRequest) (resp *pb.ObjectBeginDeleteResponse, err error)

BeginDeleteObject begins object deletion process.

func (*Endpoint) BeginDeleteSegment added in v0.16.0 

func (endpoint *Endpoint) BeginDeleteSegment(ctx context.Context, req *pb.SegmentBeginDeleteRequest) (resp *pb.SegmentBeginDeleteResponse, err error)

BeginDeleteSegment begins segment deletion process

func (*Endpoint) BeginObject added in v0.16.0 

func (endpoint *Endpoint) BeginObject(ctx context.Context, req *pb.ObjectBeginRequest) (resp *pb.ObjectBeginResponse, err error)

BeginObject begins object

func (*Endpoint) BeginSegment added in v0.16.0 

func (endpoint *Endpoint) BeginSegment(ctx context.Context, req *pb.SegmentBeginRequest) (resp *pb.SegmentBeginResponse, err error)

BeginSegment begins segment uploading

func (*Endpoint) Close 

func (endpoint *Endpoint) Close() error

Close closes resources

func (*Endpoint) CommitObject added in v0.16.0 

func (endpoint *Endpoint) CommitObject(ctx context.Context, req *pb.ObjectCommitRequest) (resp *pb.ObjectCommitResponse, err error)

CommitObject commits an object when all its segments have already been committed.

func (*Endpoint) CommitSegment 

func (endpoint *Endpoint) CommitSegment(ctx context.Context, req *pb.SegmentCommitRequest) (resp *pb.SegmentCommitResponse, err error)

CommitSegment commits segment after uploading

func (*Endpoint) CommitSegmentOld added in v0.15.0 

func (endpoint *Endpoint) CommitSegmentOld(ctx context.Context, req *pb.SegmentCommitRequestOld) (resp *pb.SegmentCommitResponseOld, err error)

CommitSegmentOld commits segment metadata

func (*Endpoint) CreateBucket added in v0.15.0 

func (endpoint *Endpoint) CreateBucket(ctx context.Context, req *pb.BucketCreateRequest) (resp *pb.BucketCreateResponse, err error)

CreateBucket creates a new bucket

func (*Endpoint) CreateSegmentOld added in v0.15.0 

func (endpoint *Endpoint) CreateSegmentOld(ctx context.Context, req *pb.SegmentWriteRequestOld) (resp *pb.SegmentWriteResponseOld, err error)

CreateSegmentOld will generate requested number of OrderLimit with coresponding node addresses for them

func (*Endpoint) DeleteBucket added in v0.15.0 

func (endpoint *Endpoint) DeleteBucket(ctx context.Context, req *pb.BucketDeleteRequest) (resp *pb.BucketDeleteResponse, err error)

DeleteBucket deletes a bucket

func (*Endpoint) DeleteSegmentOld added in v0.15.0 

func (endpoint *Endpoint) DeleteSegmentOld(ctx context.Context, req *pb.SegmentDeleteRequestOld) (resp *pb.SegmentDeleteResponseOld, err error)

DeleteSegmentOld deletes segment metadata from satellite and returns OrderLimit array to remove them from storage node

func (*Endpoint) DownloadSegment 

func (endpoint *Endpoint) DownloadSegment(ctx context.Context, req *pb.SegmentDownloadRequest) (resp *pb.SegmentDownloadResponse, err error)

DownloadSegment returns data necessary to download segment

func (*Endpoint) DownloadSegmentOld added in v0.15.0 

func (endpoint *Endpoint) DownloadSegmentOld(ctx context.Context, req *pb.SegmentDownloadRequestOld) (resp *pb.SegmentDownloadResponseOld, err error)

DownloadSegmentOld gets Pointer incase of INLINE data or list of OrderLimit necessary to download remote data

func (*Endpoint) FinishDeleteObject added in v0.16.0 

func (endpoint *Endpoint) FinishDeleteObject(ctx context.Context, req *pb.ObjectFinishDeleteRequest) (resp *pb.ObjectFinishDeleteResponse, err error)

FinishDeleteObject finishes object deletion

func (*Endpoint) FinishDeleteSegment added in v0.16.0 

func (endpoint *Endpoint) FinishDeleteSegment(ctx context.Context, req *pb.SegmentFinishDeleteRequest) (resp *pb.SegmentFinishDeleteResponse, err error)

FinishDeleteSegment finishes segment deletion process

func (*Endpoint) GetBucket added in v0.15.0 

func (endpoint *Endpoint) GetBucket(ctx context.Context, req *pb.BucketGetRequest) (resp *pb.BucketGetResponse, err error)

GetBucket returns a bucket

func (*Endpoint) GetObject added in v0.16.0 

func (endpoint *Endpoint) GetObject(ctx context.Context, req *pb.ObjectGetRequest) (resp *pb.ObjectGetResponse, err error)

GetObject gets single object

func (*Endpoint) ListBuckets added in v0.15.0 

func (endpoint *Endpoint) ListBuckets(ctx context.Context, req *pb.BucketListRequest) (resp *pb.BucketListResponse, err error)

ListBuckets returns buckets in a project where the bucket name matches the request cursor

func (*Endpoint) ListObjects added in v0.16.0 

func (endpoint *Endpoint) ListObjects(ctx context.Context, req *pb.ObjectListRequest) (resp *pb.ObjectListResponse, err error)

ListObjects list objects according to specific parameters

func (*Endpoint) ListSegments 

func (endpoint *Endpoint) ListSegments(ctx context.Context, req *pb.SegmentListRequest) (resp *pb.SegmentListResponse, err error)

ListSegments list object segments

func (*Endpoint) ListSegmentsOld added in v0.15.0 

func (endpoint *Endpoint) ListSegmentsOld(ctx context.Context, req *pb.ListSegmentsRequestOld) (resp *pb.ListSegmentsResponseOld, err error)

ListSegmentsOld returns all Path keys in the Pointers bucket

func (*Endpoint) MakeInlineSegment added in v0.16.0 

func (endpoint *Endpoint) MakeInlineSegment(ctx context.Context, req *pb.SegmentMakeInlineRequest) (resp *pb.SegmentMakeInlineResponse, err error)

MakeInlineSegment makes inline segment on satellite

func (*Endpoint) ProjectInfo added in v0.14.0 

func (endpoint *Endpoint) ProjectInfo(ctx context.Context, req *pb.ProjectInfoRequest) (_ *pb.ProjectInfoResponse, err error)

ProjectInfo returns allowed ProjectInfo for the provided API key

func (*Endpoint) SegmentInfoOld added in v0.15.0 

func (endpoint *Endpoint) SegmentInfoOld(ctx context.Context, req *pb.SegmentInfoRequestOld) (resp *pb.SegmentInfoResponseOld, err error)

SegmentInfoOld returns segment metadata info

func (*Endpoint) SetAttributionOld added in v0.15.0 

func (endpoint *Endpoint) SetAttributionOld(ctx context.Context, req *pb.SetAttributionRequestOld) (_ *pb.SetAttributionResponseOld, err error)

SetAttributionOld tries to add attribution to the bucket.

func (*Endpoint) SetBucketAttribution added in v0.15.0 

func (endpoint *Endpoint) SetBucketAttribution(ctx context.Context, req *pb.BucketSetAttributionRequest) (resp *pb.BucketSetAttributionResponse, err error)

SetBucketAttribution sets the bucket attribution.

type Loop added in v0.16.0 

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

Loop is a metainfo loop service.

architecture: Service

func NewLoop added in v0.16.0 

func NewLoop(config LoopConfig, db PointerDB) *Loop

NewLoop creates a new metainfo loop service.

func (*Loop) Close added in v0.22.0 

func (loop *Loop) Close() (err error)

Close closes the looping services.

func (*Loop) Join added in v0.16.0 

func (loop *Loop) Join(ctx context.Context, observer Observer) (err error)

Join will join the looper for one full cycle until completion and then returns. On ctx cancel the observer will return without completely finishing. Only on full complete iteration it will return nil. Safe to be called concurrently.

func (*Loop) Run added in v0.16.0 

func (loop *Loop) Run(ctx context.Context) (err error)

Run starts the looping service. It can only be called once, otherwise a panic will occur.

func (*Loop) Wait added in v0.16.0 

func (loop *Loop) Wait()

Wait waits for run to be finished. Safe to be called concurrently.

type LoopConfig added in v0.16.0 

type LoopConfig struct {
	CoalesceDuration time.Duration `help:"how long to wait for new observers before starting iteration" releaseDefault:"5s" devDefault:"5s"`
}

LoopConfig contains configurable values for the metainfo loop.

type Observer added in v0.16.0 

type Observer interface {
	Object(context.Context, ScopedPath, *pb.Pointer) error
	RemoteSegment(context.Context, ScopedPath, *pb.Pointer) error
	InlineSegment(context.Context, ScopedPath, *pb.Pointer) error
}

Observer is an interface defining an observer that can subscribe to the metainfo loop.

architecture: Observer

type PointerDB added in v0.21.0 

type PointerDB interface {
	storage.KeyValueStore
}

PointerDB stores pointers.

architecture: Database

func NewStore added in v0.11.0 

func NewStore(logger *zap.Logger, dbURLString string) (db PointerDB, err error)

NewStore returns database for storing pointer data

type RSConfig added in v0.14.0 

type RSConfig struct {
	MaxSegmentSize    memory.Size `help:"maximum segment size" default:"64MiB"`
	MaxBufferMem      memory.Size `help:"maximum buffer memory to be allocated for read buffers" default:"4MiB"`
	ErasureShareSize  memory.Size `help:"the size of each new erasure share in bytes" default:"256B"`
	MinThreshold      int         `help:"the minimum pieces required to recover a segment. k." releaseDefault:"29" devDefault:"4"`
	RepairThreshold   int         `help:"the minimum safe pieces before a repair is triggered. m." releaseDefault:"35" devDefault:"6"`
	SuccessThreshold  int         `help:"the desired total pieces for a segment. o." releaseDefault:"80" devDefault:"8"`
	MinTotalThreshold int         `help:"the largest amount of pieces to encode to. n (lower bound for validation)." releaseDefault:"95" devDefault:"10"`
	MaxTotalThreshold int         `help:"the largest amount of pieces to encode to. n (upper bound for validation)." releaseDefault:"130" devDefault:"10"`
	Validate          bool        `help:"validate redundancy scheme configuration" default:"true"`
}

RSConfig is a configuration struct that keeps details about default redundancy strategy information

type Revocations added in v0.12.0 

type Revocations interface {
	GetByProjectID(ctx context.Context, projectID uuid.UUID) ([][]byte, error)
}

Revocations is the revocations store methods used by the endpoint

architecture: Database

type ScopedPath added in v0.21.0 

type ScopedPath struct {
	ProjectID           uuid.UUID
	ProjectIDString     string
	Segment             string
	BucketName          string
	EncryptedObjectPath string

	// Raw is the same path as pointerDB is using.
	Raw storj.Path
}

ScopedPath contains full expanded information about the path.

type Service added in v0.11.0 

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

Service structure

architecture: Service

func NewService added in v0.11.0 

func NewService(logger *zap.Logger, db PointerDB, bucketsDB BucketsDB) *Service

NewService creates new metainfo service.

func (*Service) CreateBucket added in v0.15.0 

func (s *Service) CreateBucket(ctx context.Context, bucket storj.Bucket) (_ storj.Bucket, err error)

CreateBucket creates a new bucket in the buckets db

func (*Service) Delete added in v0.11.0 

func (s *Service) Delete(ctx context.Context, path string, oldPointerBytes []byte) (err error)

Delete deletes a pointer bytes when it matches oldPointerBytes, otherwise it'll fail.

func (*Service) DeleteBucket added in v0.15.0 

func (s *Service) DeleteBucket(ctx context.Context, bucketName []byte, projectID uuid.UUID) (err error)

DeleteBucket deletes a bucket from the bucekts db

func (*Service) Get added in v0.11.0 

func (s *Service) Get(ctx context.Context, path string) (_ *pb.Pointer, err error)

Get gets decoded pointer from DB.

func (*Service) GetBucket added in v0.15.0 

func (s *Service) GetBucket(ctx context.Context, bucketName []byte, projectID uuid.UUID) (_ storj.Bucket, err error)

GetBucket returns an existing bucket in the buckets db

func (*Service) GetWithBytes added in v0.25.1 

func (s *Service) GetWithBytes(ctx context.Context, path string) (pointerBytes []byte, pointer *pb.Pointer, err error)

GetWithBytes gets the protocol buffers encoded and decoded pointer from the DB.

func (*Service) List added in v0.11.0 

func (s *Service) List(ctx context.Context, prefix string, startAfter string, recursive bool, limit int32,
	metaFlags uint32) (items []*pb.ListResponse_Item, more bool, err error)

List returns all Path keys in the pointers bucket

func (*Service) ListBuckets added in v0.15.0 

func (s *Service) ListBuckets(ctx context.Context, projectID uuid.UUID, listOpts storj.BucketListOptions, allowedBuckets macaroon.AllowedBuckets) (bucketList storj.BucketList, err error)

ListBuckets returns a list of buckets for a project

func (*Service) Put added in v0.11.0 

func (s *Service) Put(ctx context.Context, path string, pointer *pb.Pointer) (err error)

Put puts pointer to db under specific path.

func (*Service) UnsynchronizedDelete added in v0.25.1 

func (s *Service) UnsynchronizedDelete(ctx context.Context, path string) (err error)

UnsynchronizedDelete deletes from item from db without verifying whether the pointer has changed in the database.

func (*Service) UpdateBucket added in v0.16.0 

func (s *Service) UpdateBucket(ctx context.Context, bucket storj.Bucket) (_ storj.Bucket, err error)

UpdateBucket returns an updated bucket in the buckets db

func (*Service) UpdatePieces added in v0.16.0 

func (s *Service) UpdatePieces(ctx context.Context, path string, ref *pb.Pointer, toAdd, toRemove []*pb.RemotePiece) (pointer *pb.Pointer, err error)

UpdatePieces calls UpdatePiecesCheckDuplicates with checkDuplicates equal to false.

func (*Service) UpdatePiecesCheckDuplicates added in v0.26.0 

func (s *Service) UpdatePiecesCheckDuplicates(ctx context.Context, path string, ref *pb.Pointer, toAdd, toRemove []*pb.RemotePiece, checkDuplicates bool) (pointer *pb.Pointer, err error)

UpdatePiecesCheckDuplicates atomically adds toAdd pieces and removes toRemove pieces from the pointer under path. ref is the pointer that caller received via Get prior to calling this method.

It will first check if the pointer has been deleted or replaced. Then if checkDuplicates is true it will return an error if the nodes to be added are already in the pointer. Then it will remove the toRemove pieces and then it will add the toAdd pieces. Replacing the node ID and the hash of a piece can be done by adding the piece to both toAdd and toRemove.

type TTLItem added in v0.13.0 

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

TTLItem keeps association between serial number and ttl

Source Files

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