chore: go mod tidy / vendor / make deps

vendor/google.golang.org/grpc/internal/envconfig/envconfig.go

@@ -26,26 +26,32 @@ import (
 )
 
 var (
-	// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
+	// EnableTXTServiceConfig is set if the DNS resolver should perform TXT
+	// lookups for service config ("GRPC_ENABLE_TXT_SERVICE_CONFIG" is not
+	// "false").
+	EnableTXTServiceConfig = boolFromEnv("GRPC_ENABLE_TXT_SERVICE_CONFIG", true)
+
+	// TXTErrIgnore is set if TXT errors should be ignored
+	// ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
 	TXTErrIgnore = boolFromEnv("GRPC_GO_IGNORE_TXT_ERRORS", true)
+
 	// RingHashCap indicates the maximum ring size which defaults to 4096
 	// entries but may be overridden by setting the environment variable
 	// "GRPC_RING_HASH_CAP".  This does not override the default bounds
 	// checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M).
 	RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024)
+
 	// ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS
 	// handshakes that can be performed.
 	ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100)
+
 	// EnforceALPNEnabled is set if TLS connections to servers with ALPN disabled
 	// should be rejected. The HTTP/2 protocol requires ALPN to be enabled, this
 	// option is present for backward compatibility. This option may be overridden
 	// by setting the environment variable "GRPC_ENFORCE_ALPN_ENABLED" to "true"
 	// or "false".
 	EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", true)
-	// XDSFallbackSupport is the env variable that controls whether support for
-	// xDS fallback is turned on. If this is unset or is false, only the first
-	// xDS server in the list of server configs will be used.
-	XDSFallbackSupport = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FALLBACK", true)
+
 	// NewPickFirstEnabled is set if the new pickfirst leaf policy is to be used
 	// instead of the exiting pickfirst implementation. This can be disabled by
 	// setting the environment variable "GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST"

vendor/google.golang.org/grpc/internal/internal.go

@@ -182,35 +182,6 @@ var (
 	// other features, including the CSDS service.
 	NewXDSResolverWithClientForTesting any // func(xdsclient.XDSClient) (resolver.Builder, error)
 
-	// RegisterRLSClusterSpecifierPluginForTesting registers the RLS Cluster
-	// Specifier Plugin for testing purposes, regardless of the XDSRLS environment
-	// variable.
-	//
-	// TODO: Remove this function once the RLS env var is removed.
-	RegisterRLSClusterSpecifierPluginForTesting func()
-
-	// UnregisterRLSClusterSpecifierPluginForTesting unregisters the RLS Cluster
-	// Specifier Plugin for testing purposes. This is needed because there is no way
-	// to unregister the RLS Cluster Specifier Plugin after registering it solely
-	// for testing purposes using RegisterRLSClusterSpecifierPluginForTesting().
-	//
-	// TODO: Remove this function once the RLS env var is removed.
-	UnregisterRLSClusterSpecifierPluginForTesting func()
-
-	// RegisterRBACHTTPFilterForTesting registers the RBAC HTTP Filter for testing
-	// purposes, regardless of the RBAC environment variable.
-	//
-	// TODO: Remove this function once the RBAC env var is removed.
-	RegisterRBACHTTPFilterForTesting func()
-
-	// UnregisterRBACHTTPFilterForTesting unregisters the RBAC HTTP Filter for
-	// testing purposes. This is needed because there is no way to unregister the
-	// HTTP Filter after registering it solely for testing purposes using
-	// RegisterRBACHTTPFilterForTesting().
-	//
-	// TODO: Remove this function once the RBAC env var is removed.
-	UnregisterRBACHTTPFilterForTesting func()
-
 	// ORCAAllowAnyMinReportingInterval is for examples/orca use ONLY.
 	ORCAAllowAnyMinReportingInterval any // func(so *orca.ServiceOptions)
 

vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go

@@ -132,13 +132,13 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts
 	// DNS address (non-IP).
 	ctx, cancel := context.WithCancel(context.Background())
 	d := &dnsResolver{
-		host:                 host,
-		port:                 port,
-		ctx:                  ctx,
-		cancel:               cancel,
-		cc:                   cc,
-		rn:                   make(chan struct{}, 1),
-		disableServiceConfig: opts.DisableServiceConfig,
+		host:                host,
+		port:                port,
+		ctx:                 ctx,
+		cancel:              cancel,
+		cc:                  cc,
+		rn:                  make(chan struct{}, 1),
+		enableServiceConfig: envconfig.EnableTXTServiceConfig && !opts.DisableServiceConfig,
 	}
 
 	d.resolver, err = internal.NewNetResolver(target.URL.Host)
@@ -181,8 +181,8 @@ type dnsResolver struct {
 	// finishes, race detector sometimes will warn lookup (READ the lookup
 	// function pointers) inside watcher() goroutine has data race with
 	// replaceNetFunc (WRITE the lookup function pointers).
-	wg                   sync.WaitGroup
-	disableServiceConfig bool
+	wg                  sync.WaitGroup
+	enableServiceConfig bool
 }
 
 // ResolveNow invoke an immediate resolution of the target that this
@@ -346,7 +346,7 @@ func (d *dnsResolver) lookup() (*resolver.State, error) {
 	if len(srv) > 0 {
 		state = grpclbstate.Set(state, &grpclbstate.State{BalancerAddresses: srv})
 	}
-	if !d.disableServiceConfig {
+	if d.enableServiceConfig {
 		state.ServiceConfig = d.lookupTXT(ctx)
 	}
 	return &state, nil

vendor/google.golang.org/grpc/internal/transport/handler_server.go

@@ -277,11 +277,13 @@ func (ht *serverHandlerTransport) writeStatus(s *ServerStream, st *status.Status
 	if err == nil { // transport has not been closed
 		// Note: The trailer fields are compressed with hpack after this call returns.
 		// No WireLength field is set here.
+		s.hdrMu.Lock()
 		for _, sh := range ht.stats {
 			sh.HandleRPC(s.Context(), &stats.OutTrailer{
 				Trailer: s.trailer.Copy(),
 			})
 		}
+		s.hdrMu.Unlock()
 	}
 	ht.Close(errors.New("finished writing status"))
 	return err

vendor/google.golang.org/grpc/internal/transport/http2_server.go

@@ -1353,10 +1353,10 @@ func (t *http2Server) closeStream(s *ServerStream, rst bool, rstCode http2.ErrCo
 	// called to interrupt the potential blocking on other goroutines.
 	s.cancel()
 
-	oldState := s.swapState(streamDone)
-	if oldState == streamDone {
-		return
-	}
+	// We can't return early even if the stream's state is "done" as the state
+	// might have been set by the `finishStream` method. Deleting the stream via
+	// `finishStream` can get blocked on flow control.
+	s.swapState(streamDone)
 	t.deleteStream(s, eosReceived)
 
 	t.controlBuf.put(&cleanupStream{