locklease

type Identity struct {
	Name string
	Key  string
}

type Lease struct {
	Key   string
	Token string
}

type Manager interface {
	AcquireSpec(ctx context.Context, spec Spec, key string, ttlOverride ...time.Duration) (*Lease, bool, error)
	ReleaseSpec(ctx context.Context, spec Spec, key string, lease *Lease) error
}

type RenewableManager interface {
	Manager
	Renewer
}

type Renewer interface {
	RenewSpec(
		ctx context.Context,
		spec Spec,
		key string,
		lease *Lease,
		ttlOverride ...time.Duration,
	) (owned bool, err error)
}

type Spec struct {
	Name        string
	Description string
	DefaultTTL  time.Duration
}