leaderlease

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

type Leaser interface {
	// AcquireAndHold tries to acquire the lease and hold it until it expires, the lease is lost,
	// or we observe another party take the lease. The provided function will be invoked when the
	// lease is acquired, and the provided channel will be closed when the lease is lost. If the
	// function returns true, the lease will be released on exit. If the function returns false,
	// the lease will be held.
	AcquireAndHold(chan struct{})
	// Release returns any active leases
	Release()
}