snapmeta

package
v0.9.5 Latest Latest
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 Go to latest Published: Nov 7, 2021 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Overview

Package snapmeta provides Kopia implementations of Persister and Snapshotter.

Index

Constants

View Source 
const (
	// S3BucketNameEnvKey is the environment variable required to connect to a repo on S3.
	S3BucketNameEnvKey = "S3_BUCKET_NAME"
	// EngineModeEnvKey is the environment variable required to switch between basic and server/client model.
	EngineModeEnvKey = "ENGINE_MODE"
	// EngineModeBasic is a constant used to check the engineMode.
	EngineModeBasic = "BASIC"
	// EngineModeServer is a constant used to check the engineMode.
	EngineModeServer = "SERVER"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Index added in v0.8.0 

type Index map[string]map[string]struct{}

Index is a map of index name to the keys associated with that index name.

func (Index) AddToIndex added in v0.8.0 

func (idx Index) AddToIndex(key, indexName string)

AddToIndex adds a key to the index of the given name.

func (Index) GetKeys added in v0.8.0 

func (idx Index) GetKeys(indexName string) (ret []string)

GetKeys returns the list of keys associated with the given index name.

func (Index) IsKeyInIndex added in v0.8.0 

func (idx Index) IsKeyInIndex(key, indexName string) bool

IsKeyInIndex will return true if the given index name contains the provided key.

func (Index) RemoveFromIndex added in v0.8.0 

func (idx Index) RemoveFromIndex(key, indexName string)

RemoveFromIndex removes a key from the index of the given name.

type KopiaPersister added in v0.8.0 

type KopiaPersister struct {
	*Simple
	// contains filtered or unexported fields
}

KopiaPersister implements robustness.Persister.

func NewPersister added in v0.8.0 

func NewPersister(baseDir string) (*KopiaPersister, error)

NewPersister returns a Kopia based Persister. ConnectOrCreateRepo must be invoked to enable the interface.

func (*KopiaPersister) Cleanup added in v0.8.0 

func (store *KopiaPersister) Cleanup()

Cleanup cleans up the local temporary files used by a KopiaMetadata.

func (*KopiaPersister) ConnectOrCreateFilesystem added in v0.8.0 

func (store *KopiaPersister) ConnectOrCreateFilesystem(path string) error

ConnectOrCreateFilesystem implements the RepoManager interface, connects to a repo in the filesystem or attempts to create one if connection is unsuccessful.

func (*KopiaPersister) ConnectOrCreateFilesystemWithServer added in v0.8.0 

func (store *KopiaPersister) ConnectOrCreateFilesystemWithServer(repoPath, serverAddr string) (*exec.Cmd, string, error)

ConnectOrCreateFilesystemWithServer implements the RepoManager interface, creates a server connects it a repo in the filesystem and creates a client to perform operations.

func (*KopiaPersister) ConnectOrCreateRepo added in v0.8.0 

func (store *KopiaPersister) ConnectOrCreateRepo(repoPath string) error

ConnectOrCreateRepo makes the Persister ready for use.

func (*KopiaPersister) ConnectOrCreateS3 added in v0.8.0 

func (store *KopiaPersister) ConnectOrCreateS3(bucketName, pathPrefix string) error

ConnectOrCreateS3 implements the RepoManager interface, connects to a repo in an S3 bucket or attempts to create one if connection is unsuccessful.

func (*KopiaPersister) ConnectOrCreateS3WithServer added in v0.8.0 

func (store *KopiaPersister) ConnectOrCreateS3WithServer(serverAddr, bucketName, pathPrefix string) (*exec.Cmd, string, error)

ConnectOrCreateS3WithServer implements the RepoManager interface, creates a server connects it a repo in an S3 bucket and creates a client to perform operations.

func (*KopiaPersister) FlushMetadata added in v0.8.0 

func (store *KopiaPersister) FlushMetadata() error

FlushMetadata implements the DataPersister interface, flushing the local metadata on the target test repo's snapshots to the metadata Kopia repository as a snapshot create.

func (*KopiaPersister) GetPersistDir added in v0.8.0 

func (store *KopiaPersister) GetPersistDir() string

GetPersistDir returns the path to the directory that will be persisted as a snapshot to the kopia repository.

func (*KopiaPersister) LoadMetadata added in v0.8.0 

func (store *KopiaPersister) LoadMetadata() error

LoadMetadata implements the DataPersister interface, restores the latest snapshot from the kopia repository and decodes its contents, populating its metadata on the snapshots residing in the target test repository.

type KopiaPersisterLight added in v0.9.0 

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

KopiaPersisterLight is a wrapper for KopiaClient that satisfies the Persister interface.

func NewPersisterLight added in v0.9.0 

func NewPersisterLight(baseDir string) (*KopiaPersisterLight, error)

NewPersisterLight returns a new KopiaPersisterLight.

func (*KopiaPersisterLight) Cleanup added in v0.9.0 

func (kpl *KopiaPersisterLight) Cleanup()

Cleanup removes the persistence directory and closes the Kopia repo.

func (*KopiaPersisterLight) ConnectOrCreateRepo added in v0.9.0 

func (kpl *KopiaPersisterLight) ConnectOrCreateRepo(repoPath string) error

ConnectOrCreateRepo creates a new Kopia repo or connects to an existing one if possible.

func (*KopiaPersisterLight) Delete added in v0.9.0 

func (kpl *KopiaPersisterLight) Delete(ctx context.Context, key string) error

Delete deletes all snapshots associated with the given key.

func (*KopiaPersisterLight) FlushMetadata added in v0.9.0 

func (kpl *KopiaPersisterLight) FlushMetadata() error

FlushMetadata is a no-op. It is included to satisfy the Persister interface.

func (*KopiaPersisterLight) GetPersistDir added in v0.9.0 

func (kpl *KopiaPersisterLight) GetPersistDir() string

GetPersistDir returns the persistence directory.

func (*KopiaPersisterLight) Load added in v0.9.0 

func (kpl *KopiaPersisterLight) Load(ctx context.Context, key string) ([]byte, error)

Load pulls the key value pair from the Kopia repo and returns the value.

func (*KopiaPersisterLight) LoadMetadata added in v0.9.0 

func (kpl *KopiaPersisterLight) LoadMetadata() error

LoadMetadata is a no-op. It is included to satisfy the Persister interface.

func (*KopiaPersisterLight) Store added in v0.9.0 

func (kpl *KopiaPersisterLight) Store(ctx context.Context, key string, val []byte) error

Store pushes the key value pair to the Kopia repository.

type KopiaSnapshotter added in v0.8.0 

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

KopiaSnapshotter wraps the functionality to connect to a kopia repository with the fswalker WalkCompare.

func NewSnapshotter added in v0.8.0 

func NewSnapshotter(baseDirPath string) (*KopiaSnapshotter, error)

NewSnapshotter returns a Kopia based Snapshotter. ConnectOrCreateRepo must be invoked to enable the interface.

func (*KopiaSnapshotter) AuthorizeClient added in v0.9.0 

func (ks *KopiaSnapshotter) AuthorizeClient(user string) error

AuthorizeClient should be called by a server to add a client to the server's user list.

func (*KopiaSnapshotter) Cleanup added in v0.8.0 

func (ks *KopiaSnapshotter) Cleanup()

Cleanup should be called before termination.

func (*KopiaSnapshotter) ConnectClient added in v0.9.0 

func (ks *KopiaSnapshotter) ConnectClient(fingerprint, user string) error

ConnectClient should be called by a client to connect itself to the server using the given cert fingerprint.

func (*KopiaSnapshotter) ConnectOrCreateFilesystem added in v0.8.0 

func (ks *KopiaSnapshotter) ConnectOrCreateFilesystem(path string) error

ConnectOrCreateFilesystem TBD: remove this.

func (*KopiaSnapshotter) ConnectOrCreateFilesystemWithServer added in v0.8.0 

func (ks *KopiaSnapshotter) ConnectOrCreateFilesystemWithServer(serverAddr, repoPath string) (*exec.Cmd, error)

ConnectOrCreateFilesystemWithServer TBD: remove this.

func (*KopiaSnapshotter) ConnectOrCreateRepo added in v0.8.0 

func (ks *KopiaSnapshotter) ConnectOrCreateRepo(repoPath string) error

ConnectOrCreateRepo makes the Snapshotter ready for use.

func (*KopiaSnapshotter) ConnectOrCreateS3 added in v0.8.0 

func (ks *KopiaSnapshotter) ConnectOrCreateS3(bucketName, pathPrefix string) error

ConnectOrCreateS3 TBD: remove this.

func (*KopiaSnapshotter) ConnectOrCreateS3WithServer added in v0.8.0 

func (ks *KopiaSnapshotter) ConnectOrCreateS3WithServer(serverAddr, bucketName, pathPrefix string) (*exec.Cmd, error)

ConnectOrCreateS3WithServer TBD: remove this.

func (*KopiaSnapshotter) CreateSnapshot added in v0.8.0 

func (ks *KopiaSnapshotter) CreateSnapshot(ctx context.Context, sourceDir string, opts map[string]string) (snapID string, fingerprint []byte, snapStats *robustness.CreateSnapshotStats, err error)

CreateSnapshot is part of Snapshotter.

func (*KopiaSnapshotter) DeleteSnapshot added in v0.8.0 

func (ks *KopiaSnapshotter) DeleteSnapshot(ctx context.Context, snapID string, opts map[string]string) error

DeleteSnapshot is part of Snapshotter.

func (*KopiaSnapshotter) DisconnectClient added in v0.9.0 

func (ks *KopiaSnapshotter) DisconnectClient(user string)

DisconnectClient should be called by a client to disconnect itself from the server.

func (*KopiaSnapshotter) ListSnapshots added in v0.8.0 

func (ks *KopiaSnapshotter) ListSnapshots(ctx context.Context) ([]string, error)

ListSnapshots is part of Snapshotter.

func (*KopiaSnapshotter) RemoveClient added in v0.9.0 

func (ks *KopiaSnapshotter) RemoveClient(user string)

RemoveClient should be called by a server to remove a client from its user list.

func (*KopiaSnapshotter) RestoreSnapshot added in v0.8.0 

func (ks *KopiaSnapshotter) RestoreSnapshot(ctx context.Context, snapID, restoreDir string, opts map[string]string) (fingerprint []byte, err error)

RestoreSnapshot restores the snapshot with the given ID to the provided restore directory. It returns fingerprint verification data of the restored snapshot directory.

func (*KopiaSnapshotter) RestoreSnapshotCompare added in v0.8.0 

func (ks *KopiaSnapshotter) RestoreSnapshotCompare(ctx context.Context, snapID, restoreDir string, validationData []byte, reportOut io.Writer, opts map[string]string) (err error)

RestoreSnapshotCompare restores the snapshot with the given ID to the provided restore directory, then verifies the data that has been restored against the provided fingerprint validation data.

func (*KopiaSnapshotter) Run added in v0.8.0 

func (ks *KopiaSnapshotter) Run(args ...string) (stdout, stderr string, err error)

Run is part of Snapshotter.

func (*KopiaSnapshotter) RunGC added in v0.8.0 

func (ks *KopiaSnapshotter) RunGC(ctx context.Context, opts map[string]string) error

RunGC is part of Snapshotter.

func (*KopiaSnapshotter) ServerCmd added in v0.8.0 

func (ks *KopiaSnapshotter) ServerCmd() *exec.Cmd

ServerCmd returns the server command.

func (*KopiaSnapshotter) ServerFingerprint added in v0.9.0 

func (ks *KopiaSnapshotter) ServerFingerprint() string

ServerFingerprint returns the cert fingerprint that is used to connect to the server.

type Simple 

type Simple struct {
	Data map[string][]byte `json:"data"`
}

Simple is a snapstore implementation that stores snapshot metadata as a byte slice in a map in memory. A Simple should not be copied.

func NewSimple 

func NewSimple() *Simple

NewSimple instantiates a new Simple snapstore and returns its pointer.

func (*Simple) Delete 

func (s *Simple) Delete(ctx context.Context, key string) error

Delete implements the Storer interface Delete method.

func (*Simple) Load 

func (s *Simple) Load(ctx context.Context, key string) ([]byte, error)

Load implements the Storer interface Load method.

func (*Simple) Store 

func (s *Simple) Store(ctx context.Context, key string, val []byte) error

Store implements the Storer interface Store method.

Source Files

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