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
}
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
}
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
}
