func (s *EtcdServer) LeaseTimeToLive(ctx context.Context, r *pb.LeaseTimeToLiveRequest) (*pb.LeaseTimeToLiveResponse, error) {
if s.Leader() == s.ID() {
// primary; timetolive directly from leader
le := s.lessor.Lookup(lease.LeaseID(r.ID))
if le == nil {
return nil, lease.ErrLeaseNotFound
}
// TODO: fill out ResponseHeader
resp := &pb.LeaseTimeToLiveResponse{Header: &pb.ResponseHeader{}, ID: r.ID, TTL: int64(le.Remaining().Seconds()), GrantedTTL: le.TTL()}
if r.Keys {
ks := le.Keys()
kbs := make([][]byte, len(ks))
for i := range ks {
kbs[i] = []byte(ks[i])
}
resp.Keys = kbs
}
return resp, nil
}
cctx, cancel := context.WithTimeout(ctx, s.Cfg.ReqTimeout())
defer cancel()
// forward to leader
for cctx.Err() == nil {
leader, err := s.waitLeader(cctx)
if err != nil {
return nil, err
}
for _, url := range leader.PeerURLs {
lurl := url + leasehttp.LeaseInternalPrefix
resp, err := leasehttp.TimeToLiveHTTP(cctx, lease.LeaseID(r.ID), r.Keys, lurl, s.peerRt)
if err == nil {
return resp.LeaseTimeToLiveResponse, nil
}
if err == lease.ErrLeaseNotFound {
return nil, err
}
}
}
return nil, ErrTimeout
}
func (s *EtcdServer) LeaseTimeToLive(ctx context.Context, r *pb.LeaseTimeToLiveRequest) (*pb.LeaseTimeToLiveResponse, error) {
if s.Leader() == s.ID() {
// primary; timetolive directly from leader
le := s.lessor.Lookup(lease.LeaseID(r.ID))
if le == nil {
return nil, lease.ErrLeaseNotFound
}
// TODO: fill out ResponseHeader
resp := &pb.LeaseTimeToLiveResponse{Header: &pb.ResponseHeader{}, ID: r.ID, TTL: int64(le.Remaining().Seconds()), GrantedTTL: le.TTL}
if r.Keys {
ks := le.Keys()
kbs := make([][]byte, len(ks))
for i := range ks {
kbs[i] = []byte(ks[i])
}
resp.Keys = kbs
}
return resp, nil
}
// manually request to leader
leader, err := s.waitLeader()
if err != nil {
return nil, err
}
var lresp *pb.LeaseTimeToLiveResponse
for _, url := range leader.PeerURLs {
lurl := url + leasehttp.LeaseInternalPrefix
var iresp *leasepb.LeaseInternalResponse
iresp, err = leasehttp.TimeToLiveHTTP(ctx, lease.LeaseID(r.ID), r.Keys, lurl, s.peerRt)
if err == nil {
lresp = iresp.LeaseTimeToLiveResponse
break
}
}
return lresp, nil
}