elect

Documentation

Index

• type Election
  • func NewElection(ctx context.Context, repo state.Repository, node models.Node, ttl int64, ...) Election
• type Listener

Types

type Election

type Election interface {
	// Initialize initializes election, such as master change watch
	Initialize()
	// Elect elects master, include retry elect when elect fail
	Elect()
	// Close closes master elect
	Close()
	// IsMaster returns current node if is master
	IsMaster() bool
	// GetMaster returns the current master info
	GetMaster() *models.Master
}

Election represents master elect

func NewElection

func NewElection(ctx context.Context, repo state.Repository, node models.Node, ttl int64, listener Listener) Election

NewElection returns a new election

type Listener

type Listener interface {
	// OnFailOver triggers master fail-over, current node become master,
	// if fail over is failure return err
	OnFailOver() error
	// OnResignation triggers master resignation.
	OnResignation()
}

Listener represent master change callback interface.