backup

package
v2.4.17 Latest Latest
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 Go to latest Published: Dec 19, 2023 License: MIT Imports: 44 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// TimeFormatForBackup - default backup name format
	TimeFormatForBackup = "2006-01-02T15-04-05"
	MetaFileName        = "metadata.json"
)
View Source 
const DirectoryFormat = "directory"

Variables

View Source 
var CreateDatabaseRE = regexp.MustCompile(`(?m)^CREATE DATABASE (\s*)(\S+)(\s*)`)
View Source 
var (
	ErrBackupIsAlreadyExists = errors.New("backup is already exists")
)
View Source 
var (
	// ErrUnknownClickhouseDataPath -
	ErrUnknownClickhouseDataPath = errors.New("clickhouse data path is unknown, you can set data_path in config file")
)
View Source 
var UUIDWithMergeTreeRE = regexp.MustCompile(`^(.+)(UUID)(\s+)'([^']+)'(.+)({uuid})(.*)`)

Functions

func IsInformationSchema 

func IsInformationSchema(database string) bool

func NewBackupName 

func NewBackupName() string

NewBackupName - return default backup name

func ShallSkipDatabase 

func ShallSkipDatabase(cfg *config.Config, targetDB, tablePattern string) bool

Types

type Backuper 

type Backuper struct {
	DiskToPathMap          map[string]string
	DefaultDataPath        string
	EmbeddedBackupDataPath string
	// contains filtered or unexported fields
}

func NewBackuper 

func NewBackuper(cfg *config.Config, opts ...BackuperOpt) *Backuper

func (*Backuper) AddTableToBackup 

func (b *Backuper) AddTableToBackup(ctx context.Context, backupName, shadowBackupUUID string, diskList []clickhouse.Disk, table *clickhouse.Table, partitionsIdsMap common.EmptyMap) (map[string][]metadata.Part, map[string]int64, error)

func (*Backuper) Clean 

func (b *Backuper) Clean(ctx context.Context) error

Clean - removed all data in shadow folder

func (*Backuper) CleanRemoteBroken 

func (b *Backuper) CleanRemoteBroken(commandId int) error

func (*Backuper) CreateBackup 

func (b *Backuper) CreateBackup(backupName, tablePattern string, partitions []string, schemaOnly, createRBAC, rbacOnly, createConfigs, configsOnly, skipCheckPartsColumns bool, version string, commandId int) error

CreateBackup - create new backup of all tables matched by tablePattern If backupName is empty string will use default backup name

func (*Backuper) CreateToRemote 

func (b *Backuper) CreateToRemote(backupName, diffFrom, diffFromRemote, tablePattern string, partitions []string, schemaOnly, backupRBAC, rbacOnly, backupConfigs, configsOnly, skipCheckPartsColumns, resume bool, version string, commandId int) error

func (*Backuper) Delete 

func (b *Backuper) Delete(backupType, backupName string, commandId int) error

Delete - remove local or remote backup

func (*Backuper) Download 

func (b *Backuper) Download(backupName string, tablePattern string, partitions []string, schemaOnly, resume bool, commandId int) error

func (*Backuper) GetLocalBackups 

func (b *Backuper) GetLocalBackups(ctx context.Context, disks []clickhouse.Disk) ([]LocalBackup, []clickhouse.Disk, error)

GetLocalBackups - return slice of all backups stored locally

func (*Backuper) GetRemoteBackups 

func (b *Backuper) GetRemoteBackups(ctx context.Context, parseMetadata bool) ([]storage.Backup, error)

GetRemoteBackups - get all backups stored on remote storage

func (*Backuper) GetTables 

func (b *Backuper) GetTables(ctx context.Context, tablePattern string) ([]clickhouse.Table, error)

GetTables - get all tables for use by CreateBackup, PrintTables, and API

func (*Backuper) List 

func (b *Backuper) List(what, format string) error

List - list backups to stdout from command line

func (*Backuper) NewBackupWatchName 

func (b *Backuper) NewBackupWatchName(ctx context.Context, backupType string) (string, error)

func (*Backuper) PrintAllBackups 

func (b *Backuper) PrintAllBackups(ctx context.Context, format string) error

func (*Backuper) PrintLocalBackups 

func (b *Backuper) PrintLocalBackups(ctx context.Context, format string) error

PrintLocalBackups - print all backups stored locally

func (*Backuper) PrintRemoteBackups 

func (b *Backuper) PrintRemoteBackups(ctx context.Context, format string) error

PrintRemoteBackups - print all backups stored on remote storage

func (*Backuper) PrintTables 

func (b *Backuper) PrintTables(printAll bool, tablePattern string) error

PrintTables - print all tables suitable for backup

func (*Backuper) ReadBackupMetadataLocal 

func (b *Backuper) ReadBackupMetadataLocal(ctx context.Context, backupName string) (*metadata.BackupMetadata, error)

func (*Backuper) ReadBackupMetadataRemote 

func (b *Backuper) ReadBackupMetadataRemote(ctx context.Context, backupName string) (*metadata.BackupMetadata, error)

func (*Backuper) RemoveBackupLocal 

func (b *Backuper) RemoveBackupLocal(ctx context.Context, backupName string, disks []clickhouse.Disk) error

func (*Backuper) RemoveBackupRemote 

func (b *Backuper) RemoveBackupRemote(ctx context.Context, backupName string) error

func (*Backuper) RemoveOldBackupsLocal 

func (b *Backuper) RemoveOldBackupsLocal(ctx context.Context, keepLastBackup bool, disks []clickhouse.Disk) error

func (*Backuper) Restore 

func (b *Backuper) Restore(backupName, tablePattern string, databaseMapping, partitions []string, schemaOnly, dataOnly, dropTable, ignoreDependencies, restoreRBAC, rbacOnly, restoreConfigs, configsOnly bool, commandId int) error

Restore - restore tables matched by tablePattern from backupName

func (*Backuper) RestoreData 

func (b *Backuper) RestoreData(ctx context.Context, backupName string, tablePattern string, partitions []string, disks []clickhouse.Disk) error

RestoreData - restore data for tables matched by tablePattern from backupName

func (*Backuper) RestoreFromRemote 

func (b *Backuper) RestoreFromRemote(backupName, tablePattern string, databaseMapping, partitions []string, schemaOnly, dataOnly, dropTable, ignoreDependencies, restoreRBAC, rbacOnly, restoreConfigs, configsOnly, resume bool, commandId int) error

func (*Backuper) RestoreSchema 

func (b *Backuper) RestoreSchema(ctx context.Context, backupName, tablePattern string, dropTable, ignoreDependencies bool) error

RestoreSchema - restore schemas matched by tablePattern from backupName

func (*Backuper) Upload 

func (b *Backuper) Upload(backupName, diffFrom, diffFromRemote, tablePattern string, partitions []string, schemaOnly, resume bool, commandId int) error

func (*Backuper) ValidateWatchParams 

func (b *Backuper) ValidateWatchParams(watchInterval, fullInterval, watchBackupNameTemplate string) error

func (*Backuper) Watch 

func (b *Backuper) Watch(watchInterval, fullInterval, watchBackupNameTemplate, tablePattern string, partitions []string, schemaOnly, backupRBAC, backupConfigs, skipCheckPartsColumns bool, version string, commandId int, metrics metrics.APIMetricsInterface, cliCtx *cli.Context) error

Watch - run create_remote full + delete local full, even when upload failed

  • if success save backup type full, next will increment, until reach full interval
  • if fail save previous backup type empty, next try will also full

- each watch-interval, run create_remote increment --diff-from=prev-name + delete local increment, even when upload failed

  • save previous backup type incremental, next try will also incremental, until reach full interval

type BackuperOpt 

type BackuperOpt func(*Backuper)

func WithBackupSharder 

func WithBackupSharder(s backupSharder) BackuperOpt

func WithVersioner 

func WithVersioner(v versioner) BackuperOpt

type ListOfTables 

type ListOfTables []metadata.TableMetadata

func (ListOfTables) Sort 

func (lt ListOfTables) Sort(dropTable bool)

Sort - sorting ListOfTables slice orderly by engine priority

type LocalBackup 

type LocalBackup struct {
	metadata.BackupMetadata
	Legacy bool
	Broken string
}

func GetBackupsToDelete 

func GetBackupsToDelete(backups []LocalBackup, keep int) []LocalBackup

Source Files

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