godep: bump etcd to 3.0.6

vendor/github.com/coreos/etcd/etcdserver/api/v2http/client_auth.go

@@ -116,10 +116,11 @@ func hasKeyPrefixAccess(sec auth.Store, r *http.Request, key string, recursive,
 	}
 
 	var user *auth.User
-	if r.Header.Get("Authorization") == "" && clientCertAuthEnabled {
-		user = userFromClientCertificate(sec, r)
+	if r.Header.Get("Authorization") == "" {
+		if clientCertAuthEnabled {
+			user = userFromClientCertificate(sec, r)
+		}
 		if user == nil {
-			plog.Warningf("auth: no authorization provided, checking guest access")
 			return hasGuestAccess(sec, r, key)
 		}
 	} else {

vendor/github.com/coreos/etcd/etcdserver/server.go

@@ -405,6 +405,10 @@ func NewServer(cfg *ServerConfig) (srv *EtcdServer, err error) {
 
 	srv.be = be
 	srv.lessor = lease.NewLessor(srv.be)
+
+	// always recover lessor before kv. When we recover the mvcc.KV it will reattach keys to its leases.
+	// If we recover mvcc.KV first, it will attach the keys to the wrong lessor before it recovers.
+	srv.lessor = lease.NewLessor(srv.be)
 	srv.kv = mvcc.New(srv.be, srv.lessor, &srv.consistIndex)
 	if beExist {
 		kvindex := srv.kv.ConsistentIndex()
@@ -413,6 +417,7 @@ func NewServer(cfg *ServerConfig) (srv *EtcdServer, err error) {
 		}
 	}
 	srv.consistIndex.setConsistentIndex(srv.kv.ConsistentIndex())
+
 	srv.authStore = auth.NewAuthStore(srv.be)
 	if h := cfg.AutoCompactionRetention; h != 0 {
 		srv.compactor = compactor.NewPeriodic(h, srv.kv, srv)
@@ -658,6 +663,14 @@ func (s *EtcdServer) applySnapshot(ep *etcdProgress, apply *apply) {
 
 	newbe := backend.NewDefaultBackend(fn)
 
+	// always recover lessor before kv. When we recover the mvcc.KV it will reattach keys to its leases.
+	// If we recover mvcc.KV first, it will attach the keys to the wrong lessor before it recovers.
+	if s.lessor != nil {
+		plog.Info("recovering lessor...")
+		s.lessor.Recover(newbe, s.kv)
+		plog.Info("finished recovering lessor")
+	}
+
 	plog.Info("restoring mvcc store...")
 
 	if err := s.kv.Restore(newbe); err != nil {
@@ -684,12 +697,6 @@ func (s *EtcdServer) applySnapshot(ep *etcdProgress, apply *apply) {
 	s.be = newbe
 	s.bemu.Unlock()
 
-	if s.lessor != nil {
-		plog.Info("recovering lessor...")
-		s.lessor.Recover(newbe, s.kv)
-		plog.Info("finished recovering lessor")
-	}
-
 	plog.Info("recovering alarms...")
 	if err := s.restoreAlarms(); err != nil {
 		plog.Panicf("restore alarms error: %v", err)