nodes

package
v4.0.3 Latest Latest
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 Go to latest Published: Nov 2, 2022 License: AGPL-3.0 Imports: 40 Imported by: 1

Documentation

Overview

Package nodes provides high-level clients for talking to the main data tree in certain context.

It follows the "wrapper" pattern of http handlers to filter all requests inputs and outputs. The "Router" is object is used by all services or gateways when accessing to data as a given user. Between others, it will - Load ACLs and perform checks to make sure user is allowed to read/write the data - Perform other meta-related or acl-related checks like Quota management, locks, etc. - Perform encryption/decryption of actual data on the fly - Compress / Decompress archives, - Add metadata collected from any services on the nodes outputted by the responses, - etc...

Index

Constants

View Source 
const (
	ViewsLibraryName     = "pydio.lib.views"
	MetaAclCheckDownload = "acl-check-download"
	MetaAclCheckSyncable = "acl-check-syncable"
)

Variables

View Source 
var (
	// IsUnitTestEnv flag prevents among others the ClientPool to look for declared
	// datasources in the registry. As none is present while running unit tests, it
	// otherwise times out.
	IsUnitTestEnv = false
)

Functions

func AncestorsListFromContext 

func AncestorsListFromContext(ctx context.Context, node *tree.Node, identifier string, p SourcesPool, orParents bool) (updatedContext context.Context, parentsList []*tree.Node, e error)

AncestorsListFromContext tries to load ancestors or get them from cache

func BuildAncestorsList 

func BuildAncestorsList(ctx context.Context, treeClient tree.NodeProviderClient, node *tree.Node) (parentUuids []*tree.Node, err error)

BuildAncestorsList uses ListNodes with "Ancestors" flag to build the list of parent nodes. It uses an internal short-lived cache to throttle calls to the TreeService

func BuildAncestorsListOrParent 

func BuildAncestorsListOrParent(ctx context.Context, treeClient tree.NodeProviderClient, node *tree.Node) (parentUuids []*tree.Node, err error)

BuildAncestorsListOrParent builds ancestors list when the node does not exist yet, by trying to find all existing parents.

func CopyMoveNodes 

func CopyMoveNodes(ctx context.Context, router Handler, sourceNode *tree.Node, targetNode *tree.Node, move bool, isTask bool, statusChan chan string, progressChan chan float32, tFunc ...i18n.TranslateFunc) (oErr error)

CopyMoveNodes performs a recursive copy or move operation of a node to a new location. It can be inter- or intra-datasources. It will eventually pass contextual metadata like X-Pydio-Session (to batch event inside the SYNC) or X-Pydio-Move (to reconcile creates and deletes when move is done between two differing datasources).

func CoreMetaSet added in v4.0.1 

func CoreMetaSet(ctx context.Context, nodeUUID string, metaKey, metaValue string) error

CoreMetaSet directly saves a core metadata associated with a node UUID

func CoreMetaWriter added in v4.0.1 

func CoreMetaWriter(ctx context.Context) tree.NodeReceiverClient

CoreMetaWriter lazily loads a ServiceMeta grpc client

func ErrBranchInfoMissing 

func ErrBranchInfoMissing(identifier string) error

ErrBranchInfoMissing returns a 500 error

func ErrBranchInfoRootMissing 

func ErrBranchInfoRootMissing(identifier string) error

ErrBranchInfoRootMissing returns a 500 error

func ErrCannotFindACL 

func ErrCannotFindACL() error

ErrCannotFindACL returns a 500 error

func ErrCannotReadStore 

func ErrCannotReadStore(store string) error

ErrCannotReadStore returns a 403 error

func ErrCannotWriteStore 

func ErrCannotWriteStore(store string) error

ErrCannotWriteStore returns a 403 error

func ErrFileNotFound 

func ErrFileNotFound(format string, a ...interface{}) error

ErrFileNotFound returns a 404 error

func GetGenericStoreClientConfig 

func GetGenericStoreClientConfig(storeNamespace string) (dataSource string, bucket string, e error)

GetGenericStoreClientConfig finds datasource/bucket for a given store.

func GetSessionID 

func GetSessionID(ctx context.Context) (string, bool)

GetSessionID returns the session ID in context

func HandlerListNodesWithCallback 

func HandlerListNodesWithCallback(v Handler, ctx context.Context, request *tree.ListNodesRequest, callback WalkFunc, ignoreCbError bool, filters ...WalkFilterFunc) error

HandlerListNodesWithCallback is a generic implementation of ListNodesWithCallback for any Handler. Used by Client, Handler and HandlerMock

func HasSkipAclCheck added in v4.0.1 

func HasSkipAclCheck(ctx context.Context) bool

HasSkipAclCheck checks if the SkipAclCheck flag is set in context

func Is403 

func Is403(e error) bool

Is403 checks if error is not nil and has code 403

func IsDefaultMime added in v4.0.1 

func IsDefaultMime(cType string) bool

IsDefaultMime checks if cType is empty or "application/octet-stream".

func IsFlatStorage 

func IsFlatStorage(ctx context.Context, identifier string) bool

IsFlatStorage checks a context BranchInfo for the FlatStorage flag

func IsMinioServer added in v4.0.1 

func IsMinioServer(ctx context.Context, identifier string) bool

IsMinioServer checks a context BranchInfo for pure S3

func MustCoreMetaSet added in v4.0.1 

func MustCoreMetaSet(ctx context.Context, nodeUUID string, metaKey, metaValue string)

MustCoreMetaSet saves a core metadata without returning errors

func RegisterStorageClient 

func RegisterStorageClient(name string, provider StorageClientProvider)

func UseMockStorageClientType 

func UseMockStorageClientType()

func WalkFilterSkipPydioHiddenFile 

func WalkFilterSkipPydioHiddenFile(_ context.Context, node *tree.Node) bool

WalkFilterSkipPydioHiddenFile is a preset filter ignoring PydioSyncHiddenFile entries

func WithBranchInfo 

func WithBranchInfo(ctx context.Context, identifier string, branchInfo BranchInfo, reset ...bool) context.Context

WithBranchInfo stores a BranchInfo with a given identifier inside context

func WithSessionID 

func WithSessionID(ctx context.Context, session string) context.Context

WithSessionID returns a context which knows its service assigned color

func WithSkipAclCheck added in v4.0.1 

func WithSkipAclCheck(ctx context.Context) context.Context

WithSkipAclCheck instructs ACL-oriented handlers to be ignore. To be used with caution.

func WrapReaderForMime 

func WrapReaderForMime(ctx context.Context, clone *tree.Node, reader io.Reader) io.Reader

WrapReaderForMime wraps a reader in a TeeMimeReader with a preset callback that stores detected mime in Metadata.

Types

type Adapter 

type Adapter interface {
	Adapt(h Handler, options RouterOptions) Handler
}

type BranchInfo 

type BranchInfo struct {
	LoadedSource
	*idm.Workspace
	Root              *tree.Node
	Binary            bool
	TransparentBinary bool
	AncestorsList     map[string][]*tree.Node
}

BranchInfo contains information about a given identifier

func GetBranchInfo 

func GetBranchInfo(ctx context.Context, identifier string) (BranchInfo, bool)

GetBranchInfo finds BranchInfo inside the context

func (BranchInfo) IsInternal 

func (b BranchInfo) IsInternal() bool

IsInternal check if either datasource is internal or branch has Binary flag

type CallbackFunc 

type CallbackFunc func(inputFilter FilterFunc, outputFilter FilterFunc) error

type ChangesWrappingStreamer 

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

func NewChangesWrappingStreamer 

func NewChangesWrappingStreamer(c context.Context) *ChangesWrappingStreamer

func (ChangesWrappingStreamer) CloseSend 

func (l ChangesWrappingStreamer) CloseSend() error

func (ChangesWrappingStreamer) Context 

func (l ChangesWrappingStreamer) Context() context.Context

func (ChangesWrappingStreamer) Header 

func (l ChangesWrappingStreamer) Header() (metadata.MD, error)

func (*ChangesWrappingStreamer) Recv 

func (l *ChangesWrappingStreamer) Recv() (*tree.NodeChangeEvent, error)

func (ChangesWrappingStreamer) RecvMsg 

func (l ChangesWrappingStreamer) RecvMsg(m interface{}) error

func (ChangesWrappingStreamer) Send 

func (l ChangesWrappingStreamer) Send(in interface{}) error

func (ChangesWrappingStreamer) SendError 

func (l ChangesWrappingStreamer) SendError(err error) error

func (ChangesWrappingStreamer) SendMsg 

func (l ChangesWrappingStreamer) SendMsg(msg interface{}) error

func (ChangesWrappingStreamer) Trailer 

func (l ChangesWrappingStreamer) Trailer() metadata.MD

type Client 

type Client interface {
	Handler
	WrapCallback(provider CallbackFunc) error
	BranchInfoForNode(ctx context.Context, node *tree.Node) (branch BranchInfo, err error)
	CanApply(ctx context.Context, operation *tree.NodeChangeEvent) (*tree.NodeChangeEvent, error)
	GetClientsPool() SourcesPool
}

Client the main accessor to access nodes while going through a preset stack of Handler. Actual implementations are composed of a Core Handler (executor), a Pool and ordered middlewares. It implements all methods of a Handler

type ClientsPool 

type ClientsPool struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

ClientsPool is responsible for discovering available datasources and keeping an up to date registry that is used by the routers.

func MakeFakeClientsPool 

func MakeFakeClientsPool(tc tree.NodeProviderClient, tw tree.NodeReceiverClient) *ClientsPool

func NewPool added in v4.0.1 

func NewPool(ctx context.Context, reg registry.Registry) *ClientsPool

func NewTestPool added in v4.0.1 

func NewTestPool(ctx context.Context) *ClientsPool

NewTestPool creates a client Pool and initialises it by calling the registry.

func (*ClientsPool) Close 

func (p *ClientsPool) Close()

Close stops the underlying watcher if defined.

func (*ClientsPool) CreateClientsForDataSource 

func (p *ClientsPool) CreateClientsForDataSource(dataSourceName string, dataSource *object.DataSource) error

func (*ClientsPool) GetDataSourceInfo 

func (p *ClientsPool) GetDataSourceInfo(dsName string, retries ...int) (LoadedSource, error)

GetDataSourceInfo tries to find information about a DataSource, eventually retrying as DataSource could be currently starting and not yet registered in the ClientsPool.

func (*ClientsPool) GetDataSources 

func (p *ClientsPool) GetDataSources() (out map[string]LoadedSource)

GetDataSources returns currently loaded datasources

func (*ClientsPool) GetTreeClient 

func (p *ClientsPool) GetTreeClient() tree.NodeProviderClient

GetTreeClient returns the internal NodeProviderClient pointing to the TreeService.

func (*ClientsPool) GetTreeClientWrite 

func (p *ClientsPool) GetTreeClientWrite() tree.NodeReceiverClient

GetTreeClientWrite returns the internal NodeReceiverClient pointing to the TreeService.

func (*ClientsPool) LoadDataSources 

func (p *ClientsPool) LoadDataSources()

LoadDataSources queries the registry to reload available datasources

func (*ClientsPool) Once added in v4.0.1 

func (p *ClientsPool) Once()

type FilterFunc 

type FilterFunc func(ctx context.Context, inputNode *tree.Node, identifier string) (context.Context, *tree.Node, error)

type Handler 

type Handler interface {
	tree.NodeProviderClient
	tree.NodeReceiverClient
	tree.NodeChangesStreamerClient
	GetObject(ctx context.Context, node *tree.Node, requestData *models.GetRequestData) (io.ReadCloser, error)
	PutObject(ctx context.Context, node *tree.Node, reader io.Reader, requestData *models.PutRequestData) (models.ObjectInfo, error)
	CopyObject(ctx context.Context, from *tree.Node, to *tree.Node, requestData *models.CopyRequestData) (models.ObjectInfo, error)

	MultipartCreate(ctx context.Context, target *tree.Node, requestData *models.MultipartRequestData) (string, error)
	MultipartPutObjectPart(ctx context.Context, target *tree.Node, uploadID string, partNumberMarker int, reader io.Reader, requestData *models.PutRequestData) (models.MultipartObjectPart, error)
	MultipartAbort(ctx context.Context, target *tree.Node, uploadID string, requestData *models.MultipartRequestData) error
	MultipartComplete(ctx context.Context, target *tree.Node, uploadID string, uploadedParts []models.MultipartObjectPart) (models.ObjectInfo, error)

	MultipartList(ctx context.Context, prefix string, requestData *models.MultipartRequestData) (models.ListMultipartUploadsResult, error)
	MultipartListObjectParts(ctx context.Context, target *tree.Node, uploadID string, partNumberMarker int, maxParts int) (models.ListObjectPartsResult, error)

	ExecuteWrapped(inputFilter FilterFunc, outputFilter FilterFunc, provider CallbackFunc) error
	WrappedCanApply(srcCtx context.Context, targetCtx context.Context, operation *tree.NodeChangeEvent) error
	ListNodesWithCallback(ctx context.Context, request *tree.ListNodesRequest, callback WalkFunc, ignoreCbError bool, filters ...WalkFilterFunc) error

	SetClientsPool(p SourcesPool)
}

Handler is a composed interface providing abilities to CRUD nodes to datasources

type HandlerMock 

type HandlerMock struct {
	RootDir string
	Nodes   map[string]*tree.Node
	Context context.Context
}

func NewHandlerMock 

func NewHandlerMock() *HandlerMock

func (*HandlerMock) CopyObject 

func (h *HandlerMock) CopyObject(ctx context.Context, from *tree.Node, to *tree.Node, requestData *models.CopyRequestData) (models.ObjectInfo, error)

func (*HandlerMock) CreateNode 

func (h *HandlerMock) CreateNode(ctx context.Context, in *tree.CreateNodeRequest, opts ...grpc.CallOption) (*tree.CreateNodeResponse, error)

func (*HandlerMock) DeleteNode 

func (h *HandlerMock) DeleteNode(ctx context.Context, in *tree.DeleteNodeRequest, opts ...grpc.CallOption) (*tree.DeleteNodeResponse, error)

func (*HandlerMock) ExecuteWrapped 

func (h *HandlerMock) ExecuteWrapped(inputFilter FilterFunc, outputFilter FilterFunc, provider CallbackFunc) error

func (*HandlerMock) GetObject 

func (h *HandlerMock) GetObject(ctx context.Context, node *tree.Node, requestData *models.GetRequestData) (io.ReadCloser, error)

func (*HandlerMock) ListNodes 

func (h *HandlerMock) ListNodes(ctx context.Context, in *tree.ListNodesRequest, opts ...grpc.CallOption) (tree.NodeProvider_ListNodesClient, error)

func (*HandlerMock) ListNodesWithCallback 

func (h *HandlerMock) ListNodesWithCallback(ctx context.Context, request *tree.ListNodesRequest, callback WalkFunc, ignoreCbError bool, filters ...WalkFilterFunc) error

func (*HandlerMock) MultipartAbort 

func (h *HandlerMock) MultipartAbort(ctx context.Context, target *tree.Node, uploadID string, requestData *models.MultipartRequestData) error

func (*HandlerMock) MultipartComplete 

func (h *HandlerMock) MultipartComplete(ctx context.Context, target *tree.Node, uploadID string, uploadedParts []models.MultipartObjectPart) (models.ObjectInfo, error)

func (*HandlerMock) MultipartCreate 

func (h *HandlerMock) MultipartCreate(ctx context.Context, target *tree.Node, requestData *models.MultipartRequestData) (string, error)

func (*HandlerMock) MultipartList 

func (h *HandlerMock) MultipartList(ctx context.Context, prefix string, requestData *models.MultipartRequestData) (models.ListMultipartUploadsResult, error)

func (*HandlerMock) MultipartListObjectParts 

func (h *HandlerMock) MultipartListObjectParts(ctx context.Context, target *tree.Node, uploadID string, partNumberMarker int, maxParts int) (models.ListObjectPartsResult, error)

func (*HandlerMock) MultipartPutObjectPart 

func (h *HandlerMock) MultipartPutObjectPart(ctx context.Context, target *tree.Node, uploadID string, partNumberMarker int, reader io.Reader, requestData *models.PutRequestData) (op models.MultipartObjectPart, e error)

func (*HandlerMock) PutObject 

func (h *HandlerMock) PutObject(ctx context.Context, node *tree.Node, reader io.Reader, requestData *models.PutRequestData) (models.ObjectInfo, error)

func (*HandlerMock) ReadNode 

func (h *HandlerMock) ReadNode(ctx context.Context, in *tree.ReadNodeRequest, opts ...grpc.CallOption) (*tree.ReadNodeResponse, error)

func (*HandlerMock) SetClientsPool 

func (h *HandlerMock) SetClientsPool(p SourcesPool)

func (*HandlerMock) StreamChanges 

func (h *HandlerMock) StreamChanges(ctx context.Context, in *tree.StreamChangesRequest, opts ...grpc.CallOption) (tree.NodeChangesStreamer_StreamChangesClient, error)

func (*HandlerMock) UpdateNode 

func (h *HandlerMock) UpdateNode(ctx context.Context, in *tree.UpdateNodeRequest, opts ...grpc.CallOption) (*tree.UpdateNodeResponse, error)

func (*HandlerMock) WrappedCanApply 

func (h *HandlerMock) WrappedCanApply(srcCtx context.Context, targetCtx context.Context, operation *tree.NodeChangeEvent) error

type LoadedSource 

type LoadedSource struct {
	*object.DataSource
	Client StorageClient
}

func WithBucketName 

func WithBucketName(s LoadedSource, bucket string) LoadedSource

WithBucketName creates a copy of a LoadedSource with a bucket name

func (LoadedSource) MarshalLogObject 

func (s LoadedSource) MarshalLogObject(encoder zapcore.ObjectEncoder) error

type MimeResult 

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

func (*MimeResult) GetError 

func (m *MimeResult) GetError() error

func (*MimeResult) GetMime 

func (m *MimeResult) GetMime() string

type MockReadCloser 

type MockReadCloser struct {
	io.Reader
}

func (MockReadCloser) Close 

func (r MockReadCloser) Close() error

type NodeWrappingStreamer 

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

NodeWrappingStreamer wraps an existing Node Streamer.

func NewWrappingStreamer 

func NewWrappingStreamer(c context.Context) *NodeWrappingStreamer

func (NodeWrappingStreamer) CloseSend 

func (l NodeWrappingStreamer) CloseSend() error

func (NodeWrappingStreamer) Context 

func (l NodeWrappingStreamer) Context() context.Context

func (NodeWrappingStreamer) Header 

func (l NodeWrappingStreamer) Header() (metadata.MD, error)

func (*NodeWrappingStreamer) Recv 

func (n *NodeWrappingStreamer) Recv() (*tree.ListNodesResponse, error)

func (NodeWrappingStreamer) RecvMsg 

func (l NodeWrappingStreamer) RecvMsg(m interface{}) error

func (NodeWrappingStreamer) Send 

func (l NodeWrappingStreamer) Send(in interface{}) error

func (NodeWrappingStreamer) SendError 

func (l NodeWrappingStreamer) SendError(err error) error

func (NodeWrappingStreamer) SendMsg 

func (l NodeWrappingStreamer) SendMsg(msg interface{}) error

func (NodeWrappingStreamer) Trailer 

func (l NodeWrappingStreamer) Trailer() metadata.MD

type Option 

type Option func(options *RouterOptions)

func AsAdmin 

func AsAdmin() Option

func WithAuditEventsLogging 

func WithAuditEventsLogging() Option

func WithContext 

func WithContext(ctx context.Context) Option

func WithCore 

func WithCore(init func(pool SourcesPool) Handler) Option

func WithHashesAsETags added in v4.0.1 

func WithHashesAsETags() Option

func WithReadEventsLogging 

func WithReadEventsLogging() Option

func WithSynchronousCaching 

func WithSynchronousCaching() Option

func WithSynchronousTasks 

func WithSynchronousTasks() Option

func WithVirtualNodesBrowsing 

func WithVirtualNodesBrowsing() Option

func WithWrapper 

func WithWrapper(adapter Adapter) Option

type RouterOptions 

type RouterOptions struct {
	Context context.Context

	CoreClient func(pool SourcesPool) Handler

	AdminView     bool
	WatchRegistry bool
	Registry      registry.Registry

	LogReadEvents      bool
	BrowseVirtualNodes bool
	// AuditEvent flag turns audit logger ON for the corresponding router.
	AuditEvent       bool
	SynchronousCache bool
	SynchronousTasks bool
	HashesAsETags    bool

	Wrappers []Adapter
	Pool     SourcesPool
}

RouterOptions holds configuration flags to pass to a router constructor easily.

type SourcesPool 

type SourcesPool interface {
	Once()
	Close()
	GetTreeClient() tree.NodeProviderClient
	GetTreeClientWrite() tree.NodeReceiverClient
	GetDataSourceInfo(dsName string, retries ...int) (LoadedSource, error)
	GetDataSources() map[string]LoadedSource
	LoadDataSources()
}

type StorageClient 

type StorageClient interface {
	ListBuckets(ctx context.Context) ([]models.BucketInfo, error)
	MakeBucket(ctx context.Context, bucketName string, location string) (err error)
	RemoveBucket(ctx context.Context, bucketName string) error
	BucketTags(ctx context.Context, bucketName string) (map[string]string, error)
	BucketNotifications(ctx context.Context, bucketName string, prefix string, events []string) (<-chan interface{}, error)

	ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, max ...int) (result models.ListBucketResult, err error)
	GetObject(ctx context.Context, bucketName, objectName string, opts models.ReadMeta) (io.ReadCloser, models.ObjectInfo, error)
	StatObject(ctx context.Context, bucketName, objectName string, opts models.ReadMeta) (models.ObjectInfo, error)
	PutObject(ctx context.Context, bucketName, objectName string, reader io.Reader, objectSize int64, opts models.PutMeta) (models.ObjectInfo, error)
	RemoveObject(ctx context.Context, bucketName, objectName string) error
	CopyObject(ctx context.Context, sourceBucket, sourceObject, destBucket, destObject string, srcMeta, metadata map[string]string, progress io.Reader) (models.ObjectInfo, error)
	CopyObjectMultipart(ctx context.Context, srcObject models.ObjectInfo, srcBucket, srcPath, destBucket, destPath string, meta map[string]string, progress io.Reader) error
	CopyObjectMultipartThreshold() int64

	NewMultipartUpload(ctx context.Context, bucket, object string, opts models.PutMeta) (uploadID string, err error)
	ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result models.ListMultipartUploadsResult, err error)
	ListObjectParts(ctx context.Context, bucketName, objectName, uploadID string, partNumberMarker, maxParts int) (models.ListObjectPartsResult, error)
	CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, parts []models.MultipartObjectPart) (string, error)
	PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data io.Reader, size int64, md5Base64, sha256Hex string) (models.MultipartObjectPart, error)
	AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string) error
}

func NewStorageClient 

func NewStorageClient(cfg configx.Values) (StorageClient, error)

type StorageClientProvider 

type StorageClientProvider func(cfg configx.Values) (StorageClient, error)

type TeeMimeReader 

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

TeeMimeReader dynamically looks up for mimetype while consuming the io.Reader

func NewTeeMimeReader 

func NewTeeMimeReader(reader io.Reader, callbackRoutine func(result *MimeResult)) *TeeMimeReader

NewTeeMimeReader creates a TeeMimeReader from an existing reader and calls the callbackRoutine once the mimetype is guessed

func (*TeeMimeReader) Read 

func (m *TeeMimeReader) Read(p []byte) (n int, err error)

Read implements io.Reader interface by calling underlying reader Read.

func (*TeeMimeReader) SetLimit 

func (m *TeeMimeReader) SetLimit(size int)

SetLimit can override default mimeReadLimit (used mainly for testing)

func (*TeeMimeReader) Wait 

func (m *TeeMimeReader) Wait() chan *MimeResult

Wait returns a blocking chan until a *MimeResult is returned

type WalkFilterFunc 

type WalkFilterFunc func(ctx context.Context, node *tree.Node) bool

type WalkFunc 

type WalkFunc func(ctx context.Context, node *tree.Node, err error) error

Source Files

View all Source files

Directories

Path Synopsis
Package meta provides tool for reading metadata from services declaring "MetaProvider" support
 Package meta provides tool for reading metadata from services declaring "MetaProvider" support
Package mocks should provide utils used by tests to mock various layers.
 Package mocks should provide utils used by tests to mock various layers.
objects
mc
mock

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