Exemple #1
0
// createTestNode creates an rpc server using the specified address,
// gossip instance, KV database and a node using the specified slice
// of engines. The server, clock and node are returned. If gossipBS is
// not nil, the gossip bootstrap address is set to gossipBS.
func createTestNode(addr net.Addr, engines []engine.Engine, gossipBS net.Addr, t *testing.T) (
	*rpc.Server, net.Addr, *hlc.Clock, *Node, *stop.Stopper) {
	ctx := storage.StoreContext{}

	stopper := stop.NewStopper()
	ctx.Clock = hlc.NewClock(hlc.UnixNano)
	nodeRPCContext := rpc.NewContext(nodeTestBaseContext, ctx.Clock, stopper)
	ctx.ScanInterval = 10 * time.Hour
	rpcServer := rpc.NewServer(nodeRPCContext)
	grpcServer := grpc.NewServer()
	tlsConfig, err := nodeRPCContext.GetServerTLSConfig()
	if err != nil {
		t.Fatal(err)
	}
	ln, err := util.ListenAndServe(stopper, grpcutil.GRPCHandlerFunc(grpcServer, rpcServer), addr, tlsConfig)
	if err != nil {
		t.Fatal(err)
	}
	g := gossip.New(nodeRPCContext, testContext.GossipBootstrapResolvers, stopper)
	if gossipBS != nil {
		// Handle possibility of a :0 port specification.
		if gossipBS.Network() == addr.Network() && gossipBS.String() == addr.String() {
			gossipBS = ln.Addr()
		}
		r, err := resolver.NewResolverFromAddress(gossipBS)
		if err != nil {
			t.Fatalf("bad gossip address %s: %s", gossipBS, err)
		}
		g.SetResolvers([]resolver.Resolver{r})
		g.Start(grpcServer, ln.Addr())
	}
	ctx.Gossip = g
	retryOpts := kv.GetDefaultDistSenderRetryOptions()
	retryOpts.Closer = stopper.ShouldDrain()
	distSender := kv.NewDistSender(&kv.DistSenderContext{
		Clock:           ctx.Clock,
		RPCContext:      nodeRPCContext,
		RPCRetryOptions: &retryOpts,
	}, g)
	tracer := tracing.NewTracer()
	sender := kv.NewTxnCoordSender(distSender, ctx.Clock, false, tracer, stopper,
		kv.NewTxnMetrics(metric.NewRegistry()))
	ctx.DB = client.NewDB(sender)
	ctx.Transport = storage.NewDummyRaftTransport()
	ctx.EventFeed = util.NewFeed(stopper)
	ctx.Tracer = tracer
	node := NewNode(ctx, status.NewMetricsRecorder(ctx.Clock), stopper, kv.NewTxnMetrics(metric.NewRegistry()))
	return rpcServer, ln.Addr(), ctx.Clock, node, stopper
}
Exemple #2
0
// TestCorruptedClusterID verifies that a node fails to start when a
// store's cluster ID is empty.
func TestCorruptedClusterID(t *testing.T) {
	defer leaktest.AfterTest(t)()
	engineStopper := stop.NewStopper()
	e := engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper)
	defer engineStopper.Stop()
	if _, err := bootstrapCluster([]engine.Engine{e}, kv.NewTxnMetrics(metric.NewRegistry())); err != nil {
		t.Fatal(err)
	}

	// Set the cluster ID to the empty UUID.
	sIdent := roachpb.StoreIdent{
		ClusterID: *uuid.EmptyUUID,
		NodeID:    1,
		StoreID:   1,
	}
	if err := engine.MVCCPutProto(context.Background(), e, nil, keys.StoreIdentKey(), roachpb.ZeroTimestamp, nil, &sIdent); err != nil {
		t.Fatal(err)
	}

	engines := []engine.Engine{e}
	_, serverAddr, _, node, stopper := createTestNode(util.TestAddr, engines, nil, t)
	stopper.Stop()
	if err := node.start(serverAddr, engines, roachpb.Attributes{}); !testutils.IsError(err, "unidentified store") {
		t.Errorf("unexpected error %v", err)
	}
}
Exemple #3
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// TestMultiRangeScanWithMaxResults tests that commands which access multiple
// ranges with MaxResults parameter are carried out properly.
func TestMultiRangeScanWithMaxResults(t *testing.T) {
	defer leaktest.AfterTest(t)()
	testCases := []struct {
		splitKeys []roachpb.Key
		keys      []roachpb.Key
	}{
		{[]roachpb.Key{roachpb.Key("m")},
			[]roachpb.Key{roachpb.Key("a"), roachpb.Key("z")}},
		{[]roachpb.Key{roachpb.Key("h"), roachpb.Key("q")},
			[]roachpb.Key{roachpb.Key("b"), roachpb.Key("f"), roachpb.Key("k"),
				roachpb.Key("r"), roachpb.Key("w"), roachpb.Key("y")}},
	}

	for i, tc := range testCases {
		s, _, _ := serverutils.StartServer(t, base.TestServerArgs{})
		defer s.Stopper().Stop()
		ts := s.(*TestServer)
		retryOpts := base.DefaultRetryOptions()
		retryOpts.Closer = ts.stopper.ShouldDrain()
		ds := kv.NewDistSender(&kv.DistSenderContext{
			Clock:           s.Clock(),
			RPCContext:      s.RPCContext(),
			RPCRetryOptions: &retryOpts,
		}, ts.Gossip())
		tds := kv.NewTxnCoordSender(ds, ts.Clock(), ts.Ctx.Linearizable, tracing.NewTracer(),
			ts.stopper, kv.NewTxnMetrics(metric.NewRegistry()))

		for _, sk := range tc.splitKeys {
			if err := ts.node.ctx.DB.AdminSplit(sk); err != nil {
				t.Fatal(err)
			}
		}

		for _, k := range tc.keys {
			put := roachpb.NewPut(k, roachpb.MakeValueFromBytes(k))
			if _, err := client.SendWrapped(tds, nil, put); err != nil {
				t.Fatal(err)
			}
		}

		// Try every possible ScanRequest startKey.
		for start := 0; start < len(tc.keys); start++ {
			// Try every possible maxResults, from 1 to beyond the size of key array.
			for maxResults := 1; maxResults <= len(tc.keys)-start+1; maxResults++ {
				scan := roachpb.NewScan(tc.keys[start], tc.keys[len(tc.keys)-1].Next(),
					int64(maxResults))
				reply, err := client.SendWrapped(tds, nil, scan)
				if err != nil {
					t.Fatal(err)
				}
				rows := reply.(*roachpb.ScanResponse).Rows
				if start+maxResults <= len(tc.keys) && len(rows) != maxResults {
					t.Errorf("%d: start=%s: expected %d rows, but got %d", i, tc.keys[start], maxResults, len(rows))
				} else if start+maxResults == len(tc.keys)+1 && len(rows) != maxResults-1 {
					t.Errorf("%d: expected %d rows, but got %d", i, maxResults-1, len(rows))
				}
			}
		}
	}
}
Exemple #4
0
// createTestNode creates an rpc server using the specified address,
// gossip instance, KV database and a node using the specified slice
// of engines. The server, clock and node are returned. If gossipBS is
// not nil, the gossip bootstrap address is set to gossipBS.
func createTestNode(addr net.Addr, engines []engine.Engine, gossipBS net.Addr, t *testing.T) (
	*grpc.Server, net.Addr, *hlc.Clock, *Node, *stop.Stopper) {
	ctx := storage.StoreContext{}

	stopper := stop.NewStopper()
	ctx.Clock = hlc.NewClock(hlc.UnixNano)
	nodeRPCContext := rpc.NewContext(nodeTestBaseContext, ctx.Clock, stopper)
	ctx.ScanInterval = 10 * time.Hour
	ctx.ConsistencyCheckInterval = 10 * time.Hour
	grpcServer := rpc.NewServer(nodeRPCContext)
	serverCtx := makeTestContext()
	g := gossip.New(nodeRPCContext, grpcServer, serverCtx.GossipBootstrapResolvers, stopper, metric.NewRegistry())
	ln, err := netutil.ListenAndServeGRPC(stopper, grpcServer, addr)
	if err != nil {
		t.Fatal(err)
	}
	if gossipBS != nil {
		// Handle possibility of a :0 port specification.
		if gossipBS.Network() == addr.Network() && gossipBS.String() == addr.String() {
			gossipBS = ln.Addr()
		}
		r, err := resolver.NewResolverFromAddress(gossipBS)
		if err != nil {
			t.Fatalf("bad gossip address %s: %s", gossipBS, err)
		}
		g.SetResolvers([]resolver.Resolver{r})
		g.Start(ln.Addr())
	}
	ctx.Gossip = g
	retryOpts := base.DefaultRetryOptions()
	retryOpts.Closer = stopper.ShouldQuiesce()
	distSender := kv.NewDistSender(&kv.DistSenderContext{
		Clock:           ctx.Clock,
		RPCContext:      nodeRPCContext,
		RPCRetryOptions: &retryOpts,
	}, g)
	tracer := tracing.NewTracer()
	sender := kv.NewTxnCoordSender(distSender, ctx.Clock, false, tracer, stopper,
		kv.NewTxnMetrics(metric.NewRegistry()))
	ctx.DB = client.NewDB(sender)
	ctx.Transport = storage.NewDummyRaftTransport()
	ctx.Tracer = tracer
	node := NewNode(ctx, status.NewMetricsRecorder(ctx.Clock), metric.NewRegistry(), stopper,
		kv.NewTxnMetrics(metric.NewRegistry()), sql.MakeEventLogger(nil))
	roachpb.RegisterInternalServer(grpcServer, node)
	return grpcServer, ln.Addr(), ctx.Clock, node, stopper
}
Exemple #5
0
// TestNodeJoin verifies a new node is able to join a bootstrapped
// cluster consisting of one node.
func TestNodeJoin(t *testing.T) {
	defer leaktest.AfterTest(t)()
	engineStopper := stop.NewStopper()
	defer engineStopper.Stop()
	e := engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper)
	if _, err := bootstrapCluster([]engine.Engine{e}, kv.NewTxnMetrics(metric.NewRegistry())); err != nil {
		t.Fatal(err)
	}

	// Start the bootstrap node.
	engines1 := []engine.Engine{e}
	addr1 := util.CreateTestAddr("tcp")
	_, server1Addr, node1, stopper1 := createAndStartTestNode(addr1, engines1, addr1, t)
	defer stopper1.Stop()

	// Create a new node.
	engines2 := []engine.Engine{engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper)}
	addr2 := util.CreateTestAddr("tcp")
	_, server2Addr, node2, stopper2 := createAndStartTestNode(addr2, engines2, server1Addr, t)
	defer stopper2.Stop()

	// Verify new node is able to bootstrap its store.
	util.SucceedsSoon(t, func() error {
		if sc := node2.stores.GetStoreCount(); sc != 1 {
			return util.Errorf("GetStoreCount() expected 1; got %d", sc)
		}
		return nil
	})

	// Verify node1 sees node2 via gossip and vice versa.
	node1Key := gossip.MakeNodeIDKey(node1.Descriptor.NodeID)
	node2Key := gossip.MakeNodeIDKey(node2.Descriptor.NodeID)
	util.SucceedsSoon(t, func() error {
		var nodeDesc1 roachpb.NodeDescriptor
		if err := node1.ctx.Gossip.GetInfoProto(node2Key, &nodeDesc1); err != nil {
			return err
		}
		if addr2Str, server2AddrStr := nodeDesc1.Address.String(), server2Addr.String(); addr2Str != server2AddrStr {
			return util.Errorf("addr2 gossip %s doesn't match addr2 address %s", addr2Str, server2AddrStr)
		}
		var nodeDesc2 roachpb.NodeDescriptor
		if err := node2.ctx.Gossip.GetInfoProto(node1Key, &nodeDesc2); err != nil {
			return err
		}
		if addr1Str, server1AddrStr := nodeDesc2.Address.String(), server1Addr.String(); addr1Str != server1AddrStr {
			return util.Errorf("addr1 gossip %s doesn't match addr1 address %s", addr1Str, server1AddrStr)
		}
		return nil
	})
}
Exemple #6
0
// TestBootstrapNewStore starts a cluster with two unbootstrapped
// stores and verifies both stores are added and started.
func TestBootstrapNewStore(t *testing.T) {
	defer leaktest.AfterTest(t)()
	engineStopper := stop.NewStopper()
	defer engineStopper.Stop()
	e := engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper)
	if _, err := bootstrapCluster([]engine.Engine{e}, kv.NewTxnMetrics(metric.NewRegistry())); err != nil {
		t.Fatal(err)
	}

	// Start a new node with two new stores which will require bootstrapping.
	engines := []engine.Engine{
		e,
		engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper),
		engine.NewInMem(roachpb.Attributes{}, 1<<20, engineStopper),
	}
	_, _, node, stopper := createAndStartTestNode(util.TestAddr, engines, util.TestAddr, t)
	defer stopper.Stop()

	// Non-initialized stores (in this case the new in-memory-based
	// store) will be bootstrapped by the node upon start. This happens
	// in a goroutine, so we'll have to wait a bit until we can find the
	// new node.
	util.SucceedsSoon(t, func() error {
		if n := node.stores.GetStoreCount(); n != 3 {
			return util.Errorf("expected 3 stores but got %d", n)
		}
		return nil
	})

	// Check whether all stores are started properly.
	if err := node.stores.VisitStores(func(s *storage.Store) error {
		if s.IsStarted() == false {
			return util.Errorf("fail to start store: %s", s)
		}
		return nil
	}); err != nil {
		t.Error(err)
	}
}
Exemple #7
0
// TestBootstrapCluster verifies the results of bootstrapping a
// cluster. Uses an in memory engine.
func TestBootstrapCluster(t *testing.T) {
	defer leaktest.AfterTest(t)()
	stopper := stop.NewStopper()
	defer stopper.Stop()
	e := engine.NewInMem(roachpb.Attributes{}, 1<<20, stopper)
	if _, err := bootstrapCluster([]engine.Engine{e}, kv.NewTxnMetrics(metric.NewRegistry())); err != nil {
		t.Fatal(err)
	}

	// Scan the complete contents of the local database directly from the engine.
	rows, _, err := engine.MVCCScan(context.Background(), e, keys.LocalMax, roachpb.KeyMax, 0, roachpb.MaxTimestamp, true, nil)
	if err != nil {
		t.Fatal(err)
	}
	var foundKeys keySlice
	for _, kv := range rows {
		foundKeys = append(foundKeys, kv.Key)
	}
	var expectedKeys = keySlice{
		testutils.MakeKey(roachpb.Key("\x02"), roachpb.KeyMax),
		testutils.MakeKey(roachpb.Key("\x03"), roachpb.KeyMax),
		roachpb.Key("\x04node-idgen"),
		roachpb.Key("\x04range-tree-root"),
		roachpb.Key("\x04store-idgen"),
	}
	// Add the initial keys for sql.
	for _, kv := range GetBootstrapSchema().GetInitialValues() {
		expectedKeys = append(expectedKeys, kv.Key)
	}
	// Resort the list. The sql values are not sorted.
	sort.Sort(expectedKeys)

	if !reflect.DeepEqual(foundKeys, expectedKeys) {
		t.Errorf("expected keys mismatch:\n%s\n  -- vs. -- \n\n%s",
			formatKeys(foundKeys), formatKeys(expectedKeys))
	}

	// TODO(spencer): check values.
}
Exemple #8
0
// NewServer creates a Server from a server.Context.
func NewServer(ctx *Context, stopper *stop.Stopper) (*Server, error) {
	if ctx == nil {
		return nil, util.Errorf("ctx must not be null")
	}

	if _, err := net.ResolveTCPAddr("tcp", ctx.Addr); err != nil {
		return nil, util.Errorf("unable to resolve RPC address %q: %v", ctx.Addr, err)
	}

	if ctx.Insecure {
		log.Warning("running in insecure mode, this is strongly discouraged. See --insecure and --certs.")
	}
	// Try loading the TLS configs before anything else.
	if _, err := ctx.GetServerTLSConfig(); err != nil {
		return nil, err
	}
	if _, err := ctx.GetClientTLSConfig(); err != nil {
		return nil, err
	}

	s := &Server{
		Tracer:  tracing.NewTracer(),
		ctx:     ctx,
		mux:     http.NewServeMux(),
		clock:   hlc.NewClock(hlc.UnixNano),
		stopper: stopper,
	}
	s.clock.SetMaxOffset(ctx.MaxOffset)

	s.rpcContext = crpc.NewContext(&ctx.Context, s.clock, stopper)
	stopper.RunWorker(func() {
		s.rpcContext.RemoteClocks.MonitorRemoteOffsets(stopper)
	})

	s.rpc = crpc.NewServer(s.rpcContext)

	s.gossip = gossip.New(s.rpcContext, s.ctx.GossipBootstrapResolvers, stopper)
	s.storePool = storage.NewStorePool(s.gossip, s.clock, ctx.TimeUntilStoreDead, stopper)

	feed := util.NewFeed(stopper)

	// A custom RetryOptions is created which uses stopper.ShouldDrain() as
	// the Closer. This prevents infinite retry loops from occurring during
	// graceful server shutdown
	//
	// Such a loop loop occurs with the DistSender attempts a connection to the
	// local server during shutdown, and receives an internal server error (HTTP
	// Code 5xx). This is the correct error for a server to return when it is
	// shutting down, and is normally retryable in a cluster environment.
	// However, on a single-node setup (such as a test), retries will never
	// succeed because the only server has been shut down; thus, thus the
	// DistSender needs to know that it should not retry in this situation.
	retryOpts := kv.GetDefaultDistSenderRetryOptions()
	retryOpts.Closer = stopper.ShouldDrain()
	ds := kv.NewDistSender(&kv.DistSenderContext{
		Clock:           s.clock,
		RPCContext:      s.rpcContext,
		RPCRetryOptions: &retryOpts,
	}, s.gossip)
	txnRegistry := metric.NewRegistry()
	txnMetrics := kv.NewTxnMetrics(txnRegistry)
	sender := kv.NewTxnCoordSender(ds, s.clock, ctx.Linearizable, s.Tracer, s.stopper, txnMetrics)
	s.db = client.NewDB(sender)

	s.grpc = grpc.NewServer()
	s.raftTransport = storage.NewRaftTransport(storage.GossipAddressResolver(s.gossip), s.grpc, s.rpcContext)

	s.kvDB = kv.NewDBServer(&s.ctx.Context, sender, stopper)
	if err := s.kvDB.RegisterRPC(s.rpc); err != nil {
		return nil, err
	}

	s.leaseMgr = sql.NewLeaseManager(0, *s.db, s.clock)
	s.leaseMgr.RefreshLeases(s.stopper, s.db, s.gossip)
	sqlRegistry := metric.NewRegistry()
	s.sqlExecutor = sql.NewExecutor(*s.db, s.gossip, s.leaseMgr, s.stopper, sqlRegistry)

	s.pgServer = pgwire.MakeServer(&s.ctx.Context, s.sqlExecutor, sqlRegistry)

	// TODO(bdarnell): make StoreConfig configurable.
	nCtx := storage.StoreContext{
		Clock:           s.clock,
		DB:              s.db,
		Gossip:          s.gossip,
		Transport:       s.raftTransport,
		ScanInterval:    s.ctx.ScanInterval,
		ScanMaxIdleTime: s.ctx.ScanMaxIdleTime,
		EventFeed:       feed,
		Tracer:          s.Tracer,
		StorePool:       s.storePool,
		SQLExecutor: sql.InternalExecutor{
			LeaseManager: s.leaseMgr,
		},
		LogRangeEvents: true,
		AllocatorOptions: storage.AllocatorOptions{
			AllowRebalance: true,
			Mode:           s.ctx.BalanceMode,
		},
	}

	s.recorder = status.NewMetricsRecorder(s.clock)
	s.recorder.AddNodeRegistry("sql.%s", sqlRegistry)
	s.recorder.AddNodeRegistry("txn.%s", txnRegistry)

	s.node = NewNode(nCtx, s.recorder, s.stopper, txnMetrics)
	s.admin = newAdminServer(s.db, s.stopper, s.sqlExecutor)
	s.tsDB = ts.NewDB(s.db)
	s.tsServer = ts.NewServer(s.tsDB)
	s.status = newStatusServer(s.db, s.gossip, s.recorder, s.ctx)

	return s, nil
}
Exemple #9
0
// TestMultiRangeScanDeleteRange tests that commands which access multiple
// ranges are carried out properly.
func TestMultiRangeScanDeleteRange(t *testing.T) {
	defer leaktest.AfterTest(t)()
	s := StartTestServer(t)
	defer s.Stop()
	retryOpts := kv.GetDefaultDistSenderRetryOptions()
	retryOpts.Closer = s.stopper.ShouldDrain()
	ds := kv.NewDistSender(&kv.DistSenderContext{
		Clock:           s.Clock(),
		RPCContext:      s.RPCContext(),
		RPCRetryOptions: &retryOpts,
	}, s.Gossip())
	tds := kv.NewTxnCoordSender(ds, s.Clock(), testContext.Linearizable, tracing.NewTracer(),
		s.stopper, kv.NewTxnMetrics(metric.NewRegistry()))

	if err := s.node.ctx.DB.AdminSplit("m"); err != nil {
		t.Fatal(err)
	}
	writes := []roachpb.Key{roachpb.Key("a"), roachpb.Key("z")}
	get := &roachpb.GetRequest{
		Span: roachpb.Span{Key: writes[0]},
	}
	get.EndKey = writes[len(writes)-1]
	if _, err := client.SendWrapped(tds, nil, get); err == nil {
		t.Errorf("able to call Get with a key range: %v", get)
	}
	var delTS roachpb.Timestamp
	for i, k := range writes {
		put := roachpb.NewPut(k, roachpb.MakeValueFromBytes(k))
		reply, err := client.SendWrapped(tds, nil, put)
		if err != nil {
			t.Fatal(err)
		}
		scan := roachpb.NewScan(writes[0], writes[len(writes)-1].Next(), 0).(*roachpb.ScanRequest)
		// The Put ts may have been pushed by tsCache,
		// so make sure we see their values in our Scan.
		delTS = reply.(*roachpb.PutResponse).Timestamp
		reply, err = client.SendWrappedWith(tds, nil, roachpb.Header{Timestamp: delTS}, scan)
		if err != nil {
			t.Fatal(err)
		}
		sr := reply.(*roachpb.ScanResponse)
		if sr.Txn != nil {
			// This was the other way around at some point in the past.
			// Same below for Delete, etc.
			t.Errorf("expected no transaction in response header")
		}
		if rows := sr.Rows; len(rows) != i+1 {
			t.Fatalf("expected %d rows, but got %d", i+1, len(rows))
		}
	}

	del := &roachpb.DeleteRangeRequest{
		Span: roachpb.Span{
			Key:    writes[0],
			EndKey: roachpb.Key(writes[len(writes)-1]).Next(),
		},
		ReturnKeys: true,
	}
	reply, err := client.SendWrappedWith(tds, nil, roachpb.Header{Timestamp: delTS}, del)
	if err != nil {
		t.Fatal(err)
	}
	dr := reply.(*roachpb.DeleteRangeResponse)
	if dr.Txn != nil {
		t.Errorf("expected no transaction in response header")
	}
	if !reflect.DeepEqual(dr.Keys, writes) {
		t.Errorf("expected %d keys to be deleted, but got %d instead", writes, dr.Keys)
	}

	scan := roachpb.NewScan(writes[0], writes[len(writes)-1].Next(), 0).(*roachpb.ScanRequest)
	txn := &roachpb.Transaction{Name: "MyTxn"}
	reply, err = client.SendWrappedWith(tds, nil, roachpb.Header{Txn: txn}, scan)
	if err != nil {
		t.Fatal(err)
	}
	sr := reply.(*roachpb.ScanResponse)
	if txn := sr.Txn; txn == nil || txn.Name != "MyTxn" {
		t.Errorf("wanted Txn to persist, but it changed to %v", txn)
	}
	if rows := sr.Rows; len(rows) > 0 {
		t.Fatalf("scan after delete returned rows: %v", rows)
	}
}
Exemple #10
0
// NewServer creates a Server from a server.Context.
func NewServer(ctx Context, stopper *stop.Stopper) (*Server, error) {
	if _, err := net.ResolveTCPAddr("tcp", ctx.Addr); err != nil {
		return nil, errors.Errorf("unable to resolve RPC address %q: %v", ctx.Addr, err)
	}

	if ctx.Insecure {
		log.Warning(context.TODO(), "running in insecure mode, this is strongly discouraged. See --insecure.")
	}
	// Try loading the TLS configs before anything else.
	if _, err := ctx.GetServerTLSConfig(); err != nil {
		return nil, err
	}
	if _, err := ctx.GetClientTLSConfig(); err != nil {
		return nil, err
	}

	s := &Server{
		Tracer:  tracing.NewTracer(),
		ctx:     ctx,
		mux:     http.NewServeMux(),
		clock:   hlc.NewClock(hlc.UnixNano),
		stopper: stopper,
	}
	s.clock.SetMaxOffset(ctx.MaxOffset)

	s.rpcContext = rpc.NewContext(ctx.Context, s.clock, s.stopper)
	s.rpcContext.HeartbeatCB = func() {
		if err := s.rpcContext.RemoteClocks.VerifyClockOffset(); err != nil {
			log.Fatal(context.TODO(), err)
		}
	}
	s.grpc = rpc.NewServer(s.rpcContext)

	s.registry = metric.NewRegistry()
	s.gossip = gossip.New(s.rpcContext, s.grpc, s.ctx.GossipBootstrapResolvers, s.stopper, s.registry)
	s.storePool = storage.NewStorePool(
		s.gossip,
		s.clock,
		s.rpcContext,
		ctx.ReservationsEnabled,
		ctx.TimeUntilStoreDead,
		s.stopper,
	)

	// A custom RetryOptions is created which uses stopper.ShouldQuiesce() as
	// the Closer. This prevents infinite retry loops from occurring during
	// graceful server shutdown
	//
	// Such a loop loop occurs with the DistSender attempts a connection to the
	// local server during shutdown, and receives an internal server error (HTTP
	// Code 5xx). This is the correct error for a server to return when it is
	// shutting down, and is normally retryable in a cluster environment.
	// However, on a single-node setup (such as a test), retries will never
	// succeed because the only server has been shut down; thus, thus the
	// DistSender needs to know that it should not retry in this situation.
	retryOpts := base.DefaultRetryOptions()
	retryOpts.Closer = s.stopper.ShouldQuiesce()
	s.distSender = kv.NewDistSender(&kv.DistSenderContext{
		Clock:           s.clock,
		RPCContext:      s.rpcContext,
		RPCRetryOptions: &retryOpts,
	}, s.gossip)
	txnMetrics := kv.NewTxnMetrics(s.registry)
	sender := kv.NewTxnCoordSender(s.distSender, s.clock, ctx.Linearizable, s.Tracer,
		s.stopper, txnMetrics)
	s.db = client.NewDB(sender)

	s.raftTransport = storage.NewRaftTransport(storage.GossipAddressResolver(s.gossip), s.grpc, s.rpcContext)

	s.kvDB = kv.NewDBServer(s.ctx.Context, sender, s.stopper)
	roachpb.RegisterExternalServer(s.grpc, s.kvDB)

	// Set up Lease Manager
	var lmKnobs sql.LeaseManagerTestingKnobs
	if ctx.TestingKnobs.SQLLeaseManager != nil {
		lmKnobs = *ctx.TestingKnobs.SQLLeaseManager.(*sql.LeaseManagerTestingKnobs)
	}
	s.leaseMgr = sql.NewLeaseManager(0, *s.db, s.clock, lmKnobs, s.stopper)
	s.leaseMgr.RefreshLeases(s.stopper, s.db, s.gossip)

	// Set up the DistSQL server
	distSQLCtx := distsql.ServerContext{
		Context:    context.Background(),
		DB:         s.db,
		RPCContext: s.rpcContext,
	}
	s.distSQLServer = distsql.NewServer(distSQLCtx)
	distsql.RegisterDistSQLServer(s.grpc, s.distSQLServer)

	// Set up Executor
	eCtx := sql.ExecutorContext{
		Context:      context.Background(),
		DB:           s.db,
		Gossip:       s.gossip,
		LeaseManager: s.leaseMgr,
		Clock:        s.clock,
		DistSQLSrv:   s.distSQLServer,
	}
	if ctx.TestingKnobs.SQLExecutor != nil {
		eCtx.TestingKnobs = ctx.TestingKnobs.SQLExecutor.(*sql.ExecutorTestingKnobs)
	} else {
		eCtx.TestingKnobs = &sql.ExecutorTestingKnobs{}
	}

	s.sqlExecutor = sql.NewExecutor(eCtx, s.stopper, s.registry)

	s.pgServer = pgwire.MakeServer(s.ctx.Context, s.sqlExecutor, s.registry)

	// TODO(bdarnell): make StoreConfig configurable.
	nCtx := storage.StoreContext{
		Clock:                          s.clock,
		DB:                             s.db,
		Gossip:                         s.gossip,
		Transport:                      s.raftTransport,
		RaftTickInterval:               s.ctx.RaftTickInterval,
		ScanInterval:                   s.ctx.ScanInterval,
		ScanMaxIdleTime:                s.ctx.ScanMaxIdleTime,
		ConsistencyCheckInterval:       s.ctx.ConsistencyCheckInterval,
		ConsistencyCheckPanicOnFailure: s.ctx.ConsistencyCheckPanicOnFailure,
		Tracer:    s.Tracer,
		StorePool: s.storePool,
		SQLExecutor: sql.InternalExecutor{
			LeaseManager: s.leaseMgr,
		},
		LogRangeEvents: true,
		AllocatorOptions: storage.AllocatorOptions{
			AllowRebalance: true,
		},
	}
	if ctx.TestingKnobs.Store != nil {
		nCtx.TestingKnobs = *ctx.TestingKnobs.Store.(*storage.StoreTestingKnobs)
	}

	s.recorder = status.NewMetricsRecorder(s.clock)
	s.rpcContext.RemoteClocks.RegisterMetrics(s.registry)
	s.runtime = status.MakeRuntimeStatSampler(s.clock, s.registry)

	s.node = NewNode(nCtx, s.recorder, s.registry, s.stopper, txnMetrics, sql.MakeEventLogger(s.leaseMgr))
	roachpb.RegisterInternalServer(s.grpc, s.node)
	roachpb.RegisterInternalStoresServer(s.grpc, s.node.InternalStoresServer)

	s.tsDB = ts.NewDB(s.db)
	s.tsServer = ts.MakeServer(s.tsDB)

	s.admin = makeAdminServer(s)
	s.status = newStatusServer(s.db, s.gossip, s.recorder, s.ctx.Context, s.rpcContext, s.node.stores)
	for _, gw := range []grpcGatewayServer{&s.admin, s.status, &s.tsServer} {
		gw.RegisterService(s.grpc)
	}

	return s, nil
}