Example #1
0
func (s *EtcdServer) LeaseRenew(id lease.LeaseID) (int64, error) {
	ttl, err := s.lessor.Renew(id)
	if err == nil {
		return ttl, nil
	}
	if err != lease.ErrNotPrimary {
		return -1, err
	}

	// renewals don't go through raft; forward to leader manually
	leader := s.cluster.Member(s.Leader())
	for i := 0; i < 5 && leader == nil; i++ {
		// wait an election
		dur := time.Duration(s.cfg.ElectionTicks) * time.Duration(s.cfg.TickMs) * time.Millisecond
		select {
		case <-time.After(dur):
			leader = s.cluster.Member(s.Leader())
		case <-s.done:
			return -1, ErrStopped
		}
	}
	if leader == nil || len(leader.PeerURLs) == 0 {
		return -1, ErrNoLeader
	}

	for _, url := range leader.PeerURLs {
		lurl := url + "/leases"
		ttl, err = leasehttp.RenewHTTP(id, lurl, s.peerRt, s.cfg.peerDialTimeout())
		if err == nil {
			break
		}
	}
	return ttl, err
}
Example #2
0
func (s *EtcdServer) LeaseRenew(ctx context.Context, id lease.LeaseID) (int64, error) {
	ttl, err := s.lessor.Renew(id)
	if err == nil { // already requested to primary lessor(leader)
		return ttl, nil
	}
	if err != lease.ErrNotPrimary {
		return -1, err
	}

	cctx, cancel := context.WithTimeout(ctx, s.Cfg.ReqTimeout())
	defer cancel()

	// renewals don't go through raft; forward to leader manually
	for cctx.Err() == nil && err != nil {
		leader, lerr := s.waitLeader(cctx)
		if lerr != nil {
			return -1, lerr
		}
		for _, url := range leader.PeerURLs {
			lurl := url + leasehttp.LeasePrefix
			ttl, err = leasehttp.RenewHTTP(cctx, id, lurl, s.peerRt)
			if err == nil || err == lease.ErrLeaseNotFound {
				return ttl, err
			}
		}
	}
	return -1, ErrTimeout
}
Example #3
0
func (s *EtcdServer) LeaseRenew(id lease.LeaseID) (int64, error) {
	ttl, err := s.lessor.Renew(id)
	if err == nil { // already requested to primary lessor(leader)
		return ttl, nil
	}
	if err != lease.ErrNotPrimary {
		return -1, err
	}

	// renewals don't go through raft; forward to leader manually
	leader, err := s.waitLeader()
	if err != nil {
		return -1, err
	}

	for _, url := range leader.PeerURLs {
		lurl := url + leasehttp.LeasePrefix
		ttl, err = leasehttp.RenewHTTP(id, lurl, s.peerRt, s.Cfg.peerDialTimeout())
		if err == nil {
			break
		}
	}
	return ttl, err
}