precreator

Documentation

Index

• Constants
• type Config
  • func NewConfig() Config
• type Service
  • func NewService(c Config) (*Service, error)
  • func (s *Service) Close() error
  • func (s *Service) Open() error
  • func (s *Service) SetLogger(l *log.Logger)

Constants

const (
	// DefaultCheckInterval is the shard precreation check time if none is specified.
	DefaultCheckInterval = 10 * time.Minute

	// DefaultAdvancePeriod is the default period ahead of the endtime of a shard group
	// that its successor group is created.
	DefaultAdvancePeriod = 30 * time.Minute
)

Types

type Config

type Config struct {
	Enabled       bool          `toml:"enabled"`
	CheckInterval toml.Duration `toml:"check-interval"`
	AdvancePeriod toml.Duration `toml:"advance-period"`
}

Config represents the configuration for shard precreation.

func NewConfig

func NewConfig() Config

NewConfig returns a new Config with defaults.

type Service

type Service struct {
	Logger *log.Logger

	MetaStore interface {
		IsLeader() bool
		PrecreateShardGroups(cutoff time.Time) error
	}
	// contains filtered or unexported fields
}

func NewService

func NewService(c Config) (*Service, error)

NewService returns an instance of the precreation service.

func (*Service) Close

func (s *Service) Close() error

Close stops the precreation service.

func (*Service) Open

func (s *Service) Open() error

Open starts the precreation service.

func (*Service) SetLogger

func (s *Service) SetLogger(l *log.Logger)

SetLogger sets the internal logger to the logger passed in.