diff --git a/go.mod b/go.mod
index 03b0ea7c7..6acbeed40 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	golang.org/x/crypto v0.1.0
 	golang.org/x/net v0.1.0
 	golang.org/x/sys v0.1.0
-	google.golang.org/grpc v1.49.0
+	google.golang.org/grpc v1.50.1
 	google.golang.org/protobuf v1.28.0
 	k8s.io/api v0.25.3
 	k8s.io/apimachinery v0.25.3
diff --git a/go.sum b/go.sum
index c830c0cb4..bc30b3fe4 100644
--- a/go.sum
+++ b/go.sum
@@ -1794,8 +1794,8 @@ google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzI
 google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.49.0 h1:WTLtQzmQori5FUH25Pq4WT22oCsv8USpQ+F6rqtsmxw=
-google.golang.org/grpc v1.49.0/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI=
+google.golang.org/grpc v1.50.1 h1:DS/BukOZWp8s6p4Dt/tOaJaTQyPyOoCcrjroHuCeLzY=
+google.golang.org/grpc v1.50.1/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go
index 257139080..f4f9408f3 100644
--- a/vendor/google.golang.org/grpc/balancer/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/balancer.go
@@ -244,7 +244,7 @@ type DoneInfo struct {
 	// ServerLoad is the load received from server. It's usually sent as part of
 	// trailing metadata.
 	//
-	// The only supported type now is *orca_v1.LoadReport.
+	// The only supported type now is *orca_v3.LoadReport.
 	ServerLoad interface{}
 }
 
diff --git a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
index 274eb2f85..f7031ad22 100644
--- a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
+++ b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
@@ -22,7 +22,7 @@
 package roundrobin
 
 import (
-	"sync"
+	"sync/atomic"
 
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/balancer/base"
@@ -60,7 +60,7 @@ func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
 		// Start at a random index, as the same RR balancer rebuilds a new
 		// picker when SubConn states change, and we don't want to apply excess
 		// load to the first server in the list.
-		next: grpcrand.Intn(len(scs)),
+		next: uint32(grpcrand.Intn(len(scs))),
 	}
 }
 
@@ -69,15 +69,13 @@ type rrPicker struct {
 	// created. The slice is immutable. Each Get() will do a round robin
 	// selection from it and return the selected SubConn.
 	subConns []balancer.SubConn
-
-	mu   sync.Mutex
-	next int
+	next     uint32
 }
 
 func (p *rrPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
-	p.mu.Lock()
-	sc := p.subConns[p.next]
-	p.next = (p.next + 1) % len(p.subConns)
-	p.mu.Unlock()
+	subConnsLen := uint32(len(p.subConns))
+	nextIndex := atomic.AddUint32(&p.next, 1)
+
+	sc := p.subConns[nextIndex%subConnsLen]
 	return balancer.PickResult{SubConn: sc}, nil
 }
diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go
index 60403bc16..9372dc322 100644
--- a/vendor/google.golang.org/grpc/dialoptions.go
+++ b/vendor/google.golang.org/grpc/dialoptions.go
@@ -29,6 +29,7 @@ import (
 	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/internal"
 	internalbackoff "google.golang.org/grpc/internal/backoff"
+	"google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/resolver"
@@ -36,12 +37,13 @@ import (
 )
 
 func init() {
-	internal.AddExtraDialOptions = func(opt ...DialOption) {
+	internal.AddGlobalDialOptions = func(opt ...DialOption) {
 		extraDialOptions = append(extraDialOptions, opt...)
 	}
-	internal.ClearExtraDialOptions = func() {
+	internal.ClearGlobalDialOptions = func() {
 		extraDialOptions = nil
 	}
+	internal.WithBinaryLogger = withBinaryLogger
 }
 
 // dialOptions configure a Dial call. dialOptions are set by the DialOption
@@ -61,6 +63,7 @@ type dialOptions struct {
 	timeout                     time.Duration
 	scChan                      <-chan ServiceConfig
 	authority                   string
+	binaryLogger                binarylog.Logger
 	copts                       transport.ConnectOptions
 	callOptions                 []CallOption
 	channelzParentID            *channelz.Identifier
@@ -401,6 +404,14 @@ func WithStatsHandler(h stats.Handler) DialOption {
 	})
 }
 
+// withBinaryLogger returns a DialOption that specifies the binary logger for
+// this ClientConn.
+func withBinaryLogger(bl binarylog.Logger) DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.binaryLogger = bl
+	})
+}
+
 // FailOnNonTempDialError returns a DialOption that specifies if gRPC fails on
 // non-temporary dial errors. If f is true, and dialer returns a non-temporary
 // error, gRPC will fail the connection to the network address and won't try to
diff --git a/vendor/google.golang.org/grpc/health/grpc_health_v1/health_grpc.pb.go b/vendor/google.golang.org/grpc/health/grpc_health_v1/health_grpc.pb.go
index 69f525d1b..a332dfd7b 100644
--- a/vendor/google.golang.org/grpc/health/grpc_health_v1/health_grpc.pb.go
+++ b/vendor/google.golang.org/grpc/health/grpc_health_v1/health_grpc.pb.go
@@ -1,3 +1,20 @@
+// Copyright 2015 The gRPC Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/health/v1/health.proto
+
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
index e3dfe204f..809d73cca 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
@@ -37,7 +37,7 @@ type Logger interface {
 // binLogger is the global binary logger for the binary. One of this should be
 // built at init time from the configuration (environment variable or flags).
 //
-// It is used to get a methodLogger for each individual method.
+// It is used to get a MethodLogger for each individual method.
 var binLogger Logger
 
 var grpclogLogger = grpclog.Component("binarylog")
@@ -56,11 +56,11 @@ func GetLogger() Logger {
 	return binLogger
 }
 
-// GetMethodLogger returns the methodLogger for the given methodName.
+// GetMethodLogger returns the MethodLogger for the given methodName.
 //
 // methodName should be in the format of "/service/method".
 //
-// Each methodLogger returned by this method is a new instance. This is to
+// Each MethodLogger returned by this method is a new instance. This is to
 // generate sequence id within the call.
 func GetMethodLogger(methodName string) MethodLogger {
 	if binLogger == nil {
@@ -117,7 +117,7 @@ func (l *logger) setDefaultMethodLogger(ml *MethodLoggerConfig) error {
 
 // Set method logger for "service/*".
 //
-// New methodLogger with same service overrides the old one.
+// New MethodLogger with same service overrides the old one.
 func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig) error {
 	if _, ok := l.config.Services[service]; ok {
 		return fmt.Errorf("conflicting service rules for service %v found", service)
@@ -131,7 +131,7 @@ func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig)
 
 // Set method logger for "service/method".
 //
-// New methodLogger with same method overrides the old one.
+// New MethodLogger with same method overrides the old one.
 func (l *logger) setMethodMethodLogger(method string, ml *MethodLoggerConfig) error {
 	if _, ok := l.config.Blacklist[method]; ok {
 		return fmt.Errorf("conflicting blacklist rules for method %v found", method)
@@ -161,11 +161,11 @@ func (l *logger) setBlacklist(method string) error {
 	return nil
 }
 
-// getMethodLogger returns the methodLogger for the given methodName.
+// getMethodLogger returns the MethodLogger for the given methodName.
 //
 // methodName should be in the format of "/service/method".
 //
-// Each methodLogger returned by this method is a new instance. This is to
+// Each MethodLogger returned by this method is a new instance. This is to
 // generate sequence id within the call.
 func (l *logger) GetMethodLogger(methodName string) MethodLogger {
 	s, m, err := grpcutil.ParseMethod(methodName)
@@ -174,16 +174,16 @@ func (l *logger) GetMethodLogger(methodName string) MethodLogger {
 		return nil
 	}
 	if ml, ok := l.config.Methods[s+"/"+m]; ok {
-		return newMethodLogger(ml.Header, ml.Message)
+		return NewTruncatingMethodLogger(ml.Header, ml.Message)
 	}
 	if _, ok := l.config.Blacklist[s+"/"+m]; ok {
 		return nil
 	}
 	if ml, ok := l.config.Services[s]; ok {
-		return newMethodLogger(ml.Header, ml.Message)
+		return NewTruncatingMethodLogger(ml.Header, ml.Message)
 	}
 	if l.config.All == nil {
 		return nil
 	}
-	return newMethodLogger(l.config.All.Header, l.config.All.Message)
+	return NewTruncatingMethodLogger(l.config.All.Header, l.config.All.Message)
 }
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/env_config.go b/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
index ab589a76b..c5579e650 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
@@ -57,7 +57,7 @@ func NewLoggerFromConfigString(s string) Logger {
 	return l
 }
 
-// fillMethodLoggerWithConfigString parses config, creates methodLogger and adds
+// fillMethodLoggerWithConfigString parses config, creates TruncatingMethodLogger and adds
 // it to the right map in the logger.
 func (l *logger) fillMethodLoggerWithConfigString(config string) error {
 	// "" is invalid.
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
index 24df0a1a0..179f4a26d 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
@@ -52,7 +52,9 @@ type MethodLogger interface {
 	Log(LogEntryConfig)
 }
 
-type methodLogger struct {
+// TruncatingMethodLogger is a method logger that truncates headers and messages
+// based on configured fields.
+type TruncatingMethodLogger struct {
 	headerMaxLen, messageMaxLen uint64
 
 	callID          uint64
@@ -61,8 +63,9 @@ type methodLogger struct {
 	sink Sink // TODO(blog): make this plugable.
 }
 
-func newMethodLogger(h, m uint64) *methodLogger {
-	return &methodLogger{
+// NewTruncatingMethodLogger returns a new truncating method logger.
+func NewTruncatingMethodLogger(h, m uint64) *TruncatingMethodLogger {
+	return &TruncatingMethodLogger{
 		headerMaxLen:  h,
 		messageMaxLen: m,
 
@@ -75,8 +78,8 @@ func newMethodLogger(h, m uint64) *methodLogger {
 
 // Build is an internal only method for building the proto message out of the
 // input event. It's made public to enable other library to reuse as much logic
-// in methodLogger as possible.
-func (ml *methodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
+// in TruncatingMethodLogger as possible.
+func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
 	m := c.toProto()
 	timestamp, _ := ptypes.TimestampProto(time.Now())
 	m.Timestamp = timestamp
@@ -95,11 +98,11 @@ func (ml *methodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
 }
 
 // Log creates a proto binary log entry, and logs it to the sink.
-func (ml *methodLogger) Log(c LogEntryConfig) {
+func (ml *TruncatingMethodLogger) Log(c LogEntryConfig) {
 	ml.sink.Write(ml.Build(c))
 }
 
-func (ml *methodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
+func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
 	if ml.headerMaxLen == maxUInt {
 		return false
 	}
@@ -129,7 +132,7 @@ func (ml *methodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
 	return truncated
 }
 
-func (ml *methodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
+func (ml *TruncatingMethodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
 	if ml.messageMaxLen == maxUInt {
 		return false
 	}
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/observability.go b/vendor/google.golang.org/grpc/internal/envconfig/observability.go
new file mode 100644
index 000000000..821dd0a7c
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/envconfig/observability.go
@@ -0,0 +1,36 @@
+/*
+ *
+ * Copyright 2022 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package envconfig
+
+import "os"
+
+const (
+	envObservabilityConfig     = "GRPC_GCP_OBSERVABILITY_CONFIG"
+	envObservabilityConfigFile = "GRPC_GCP_OBSERVABILITY_CONFIG_FILE"
+)
+
+var (
+	// ObservabilityConfig is the json configuration for the gcp/observability
+	// package specified directly in the envObservabilityConfig env var.
+	ObservabilityConfig = os.Getenv(envObservabilityConfig)
+	// ObservabilityConfigFile is the json configuration for the
+	// gcp/observability specified in a file with the location specified in
+	// envObservabilityConfigFile env var.
+	ObservabilityConfigFile = os.Getenv(envObservabilityConfigFile)
+)
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/xds.go b/vendor/google.golang.org/grpc/internal/envconfig/xds.go
index a83b26bb8..af09711a3 100644
--- a/vendor/google.golang.org/grpc/internal/envconfig/xds.go
+++ b/vendor/google.golang.org/grpc/internal/envconfig/xds.go
@@ -41,6 +41,7 @@ const (
 	clientSideSecuritySupportEnv = "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT"
 	aggregateAndDNSSupportEnv    = "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER"
 	rbacSupportEnv               = "GRPC_XDS_EXPERIMENTAL_RBAC"
+	outlierDetectionSupportEnv   = "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION"
 	federationEnv                = "GRPC_EXPERIMENTAL_XDS_FEDERATION"
 	rlsInXDSEnv                  = "GRPC_EXPERIMENTAL_XDS_RLS_LB"
 
@@ -83,9 +84,9 @@ var (
 	// "GRPC_XDS_EXPERIMENTAL_RBAC" to "false".
 	XDSRBAC = !strings.EqualFold(os.Getenv(rbacSupportEnv), "false")
 	// XDSOutlierDetection indicates whether outlier detection support is
-	// enabled, which can be enabled by setting the environment variable
-	// "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "true".
-	XDSOutlierDetection = false
+	// enabled, which can be disabled by setting the environment variable
+	// "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "false".
+	XDSOutlierDetection = !strings.EqualFold(os.Getenv(outlierDetectionSupportEnv), "false")
 	// XDSFederation indicates whether federation support is enabled.
 	XDSFederation = strings.EqualFold(os.Getenv(federationEnv), "true")
 
diff --git a/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go b/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go
index 740f83c2b..517ea7064 100644
--- a/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go
+++ b/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go
@@ -52,6 +52,13 @@ func Intn(n int) int {
 	return r.Intn(n)
 }
 
+// Int31n implements rand.Int31n on the grpcrand global source.
+func Int31n(n int32) int32 {
+	mu.Lock()
+	defer mu.Unlock()
+	return r.Int31n(n)
+}
+
 // Float64 implements rand.Float64 on the grpcrand global source.
 func Float64() float64 {
 	mu.Lock()
diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go
index 83018be7c..fd0ee3dca 100644
--- a/vendor/google.golang.org/grpc/internal/internal.go
+++ b/vendor/google.golang.org/grpc/internal/internal.go
@@ -63,20 +63,30 @@ var (
 	// xDS-enabled server invokes this method on a grpc.Server when a particular
 	// listener moves to "not-serving" mode.
 	DrainServerTransports interface{} // func(*grpc.Server, string)
-	// AddExtraServerOptions adds an array of ServerOption that will be
+	// AddGlobalServerOptions adds an array of ServerOption that will be
 	// effective globally for newly created servers. The priority will be: 1.
 	// user-provided; 2. this method; 3. default values.
-	AddExtraServerOptions interface{} // func(opt ...ServerOption)
-	// ClearExtraServerOptions clears the array of extra ServerOption. This
+	AddGlobalServerOptions interface{} // func(opt ...ServerOption)
+	// ClearGlobalServerOptions clears the array of extra ServerOption. This
 	// method is useful in testing and benchmarking.
-	ClearExtraServerOptions func()
-	// AddExtraDialOptions adds an array of DialOption that will be effective
+	ClearGlobalServerOptions func()
+	// AddGlobalDialOptions adds an array of DialOption that will be effective
 	// globally for newly created client channels. The priority will be: 1.
 	// user-provided; 2. this method; 3. default values.
-	AddExtraDialOptions interface{} // func(opt ...DialOption)
-	// ClearExtraDialOptions clears the array of extra DialOption. This
+	AddGlobalDialOptions interface{} // func(opt ...DialOption)
+	// ClearGlobalDialOptions clears the array of extra DialOption. This
 	// method is useful in testing and benchmarking.
-	ClearExtraDialOptions func()
+	ClearGlobalDialOptions func()
+	// JoinServerOptions combines the server options passed as arguments into a
+	// single server option.
+	JoinServerOptions interface{} // func(...grpc.ServerOption) grpc.ServerOption
+
+	// WithBinaryLogger returns a DialOption that specifies the binary logger
+	// for a ClientConn.
+	WithBinaryLogger interface{} // func(binarylog.Logger) grpc.DialOption
+	// BinaryLogger returns a ServerOption that can set the binary logger for a
+	// server.
+	BinaryLogger interface{} // func(binarylog.Logger) grpc.ServerOption
 
 	// NewXDSResolverWithConfigForTesting creates a new xds resolver builder using
 	// the provided xds bootstrap config instead of the global configuration from
@@ -117,22 +127,6 @@ var (
 	//
 	// TODO: Remove this function once the RBAC env var is removed.
 	UnregisterRBACHTTPFilterForTesting func()
-
-	// RegisterOutlierDetectionBalancerForTesting registers the Outlier
-	// Detection Balancer for testing purposes, regardless of the Outlier
-	// Detection environment variable.
-	//
-	// TODO: Remove this function once the Outlier Detection env var is removed.
-	RegisterOutlierDetectionBalancerForTesting func()
-
-	// UnregisterOutlierDetectionBalancerForTesting unregisters the Outlier
-	// Detection Balancer for testing purposes. This is needed because there is
-	// no way to unregister the Outlier Detection Balancer after registering it
-	// solely for testing purposes using
-	// RegisterOutlierDetectionBalancerForTesting().
-	//
-	// TODO: Remove this function once the Outlier Detection env var is removed.
-	UnregisterOutlierDetectionBalancerForTesting func()
 )
 
 // HealthChecker defines the signature of the client-side LB channel health checking function.
diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
index 20852e59d..7f1a702ca 100644
--- a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
+++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
@@ -49,8 +49,9 @@ func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolv
 	}
 	addr := resolver.Address{Addr: endpoint}
 	if b.scheme == unixAbstractScheme {
-		// prepend "\x00" to address for unix-abstract
-		addr.Addr = "\x00" + addr.Addr
+		// We can not prepend \0 as c++ gRPC does, as in Golang '@' is used to signify we do
+		// not want trailing \0 in address.
+		addr.Addr = "@" + addr.Addr
 	}
 	cc.UpdateState(resolver.State{Addresses: []resolver.Address{networktype.Set(addr, "unix")}})
 	return &nopResolver{}, nil
diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
index 244f4b081..409769f48 100644
--- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
+++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
@@ -886,9 +886,9 @@ func (l *loopyWriter) processData() (bool, error) {
 	dataItem := str.itl.peek().(*dataFrame) // Peek at the first data item this stream.
 	// A data item is represented by a dataFrame, since it later translates into
 	// multiple HTTP2 data frames.
-	// Every dataFrame has two buffers; h that keeps grpc-message header and d that is acutal data.
+	// Every dataFrame has two buffers; h that keeps grpc-message header and d that is actual data.
 	// As an optimization to keep wire traffic low, data from d is copied to h to make as big as the
-	// maximum possilbe HTTP2 frame size.
+	// maximum possible HTTP2 frame size.
 
 	if len(dataItem.h) == 0 && len(dataItem.d) == 0 { // Empty data frame
 		// Client sends out empty data frame with endStream = true
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
index 28c77af70..5c2f35b24 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
@@ -326,6 +326,8 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 		keepaliveEnabled:      keepaliveEnabled,
 		bufferPool:            newBufferPool(),
 	}
+	// Add peer information to the http2client context.
+	t.ctx = peer.NewContext(t.ctx, t.getPeer())
 
 	if md, ok := addr.Metadata.(*metadata.MD); ok {
 		t.md = *md
@@ -469,7 +471,7 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream {
 func (t *http2Client) getPeer() *peer.Peer {
 	return &peer.Peer{
 		Addr:     t.remoteAddr,
-		AuthInfo: t.authInfo,
+		AuthInfo: t.authInfo, // Can be nil
 	}
 }
 
@@ -1230,18 +1232,29 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	if upperLimit == 0 { // This is the first GoAway Frame.
 		upperLimit = math.MaxUint32 // Kill all streams after the GoAway ID.
 	}
+
+	t.prevGoAwayID = id
+	if len(t.activeStreams) == 0 {
+		t.mu.Unlock()
+		t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
+		return
+	}
+
+	streamsToClose := make([]*Stream, 0)
 	for streamID, stream := range t.activeStreams {
 		if streamID > id && streamID <= upperLimit {
 			// The stream was unprocessed by the server.
-			atomic.StoreUint32(&stream.unprocessed, 1)
-			t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false)
+			if streamID > id && streamID <= upperLimit {
+				atomic.StoreUint32(&stream.unprocessed, 1)
+				streamsToClose = append(streamsToClose, stream)
+			}
 		}
 	}
-	t.prevGoAwayID = id
-	active := len(t.activeStreams)
 	t.mu.Unlock()
-	if active == 0 {
-		t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
+	// Called outside t.mu because closeStream can take controlBuf's mu, which
+	// could induce deadlock and is not allowed.
+	for _, stream := range streamsToClose {
+		t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false)
 	}
 }
 
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
index 28bcba0a3..3dd15647b 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
@@ -265,6 +265,9 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 		czData:            new(channelzData),
 		bufferPool:        newBufferPool(),
 	}
+	// Add peer information to the http2server context.
+	t.ctx = peer.NewContext(t.ctx, t.getPeer())
+
 	t.controlBuf = newControlBuffer(t.done)
 	if dynamicWindow {
 		t.bdpEst = &bdpEstimator{
@@ -485,14 +488,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
 	} else {
 		s.ctx, s.cancel = context.WithCancel(t.ctx)
 	}
-	pr := &peer.Peer{
-		Addr: t.remoteAddr,
-	}
-	// Attach Auth info if there is any.
-	if t.authInfo != nil {
-		pr.AuthInfo = t.authInfo
-	}
-	s.ctx = peer.NewContext(s.ctx, pr)
+
 	// Attach the received metadata to the context.
 	if len(mdata) > 0 {
 		s.ctx = metadata.NewIncomingContext(s.ctx, mdata)
@@ -1416,6 +1412,13 @@ func (t *http2Server) getOutFlowWindow() int64 {
 	}
 }
 
+func (t *http2Server) getPeer() *peer.Peer {
+	return &peer.Peer{
+		Addr:     t.remoteAddr,
+		AuthInfo: t.authInfo, // Can be nil
+	}
+}
+
 func getJitter(v time.Duration) time.Duration {
 	if v == infinity {
 		return 0
diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go
index 56e95788d..2c601a864 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http_util.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go
@@ -20,7 +20,6 @@ package transport
 
 import (
 	"bufio"
-	"bytes"
 	"encoding/base64"
 	"fmt"
 	"io"
@@ -45,7 +44,7 @@ import (
 const (
 	// http2MaxFrameLen specifies the max length of a HTTP2 frame.
 	http2MaxFrameLen = 16384 // 16KB frame
-	// http://http2.github.io/http2-spec/#SettingValues
+	// https://httpwg.org/specs/rfc7540.html#SettingValues
 	http2InitHeaderTableSize = 4096
 )
 
@@ -251,13 +250,13 @@ func encodeGrpcMessage(msg string) string {
 }
 
 func encodeGrpcMessageUnchecked(msg string) string {
-	var buf bytes.Buffer
+	var sb strings.Builder
 	for len(msg) > 0 {
 		r, size := utf8.DecodeRuneInString(msg)
 		for _, b := range []byte(string(r)) {
 			if size > 1 {
 				// If size > 1, r is not ascii. Always do percent encoding.
-				buf.WriteString(fmt.Sprintf("%%%02X", b))
+				fmt.Fprintf(&sb, "%%%02X", b)
 				continue
 			}
 
@@ -266,14 +265,14 @@ func encodeGrpcMessageUnchecked(msg string) string {
 			//
 			// fmt.Sprintf("%%%02X", utf8.RuneError) gives "%FFFD".
 			if b >= spaceByte && b <= tildeByte && b != percentByte {
-				buf.WriteByte(b)
+				sb.WriteByte(b)
 			} else {
-				buf.WriteString(fmt.Sprintf("%%%02X", b))
+				fmt.Fprintf(&sb, "%%%02X", b)
 			}
 		}
 		msg = msg[size:]
 	}
-	return buf.String()
+	return sb.String()
 }
 
 // decodeGrpcMessage decodes the msg encoded by encodeGrpcMessage.
@@ -291,23 +290,23 @@ func decodeGrpcMessage(msg string) string {
 }
 
 func decodeGrpcMessageUnchecked(msg string) string {
-	var buf bytes.Buffer
+	var sb strings.Builder
 	lenMsg := len(msg)
 	for i := 0; i < lenMsg; i++ {
 		c := msg[i]
 		if c == percentByte && i+2 < lenMsg {
 			parsed, err := strconv.ParseUint(msg[i+1:i+3], 16, 8)
 			if err != nil {
-				buf.WriteByte(c)
+				sb.WriteByte(c)
 			} else {
-				buf.WriteByte(byte(parsed))
+				sb.WriteByte(byte(parsed))
 				i += 2
 			}
 		} else {
-			buf.WriteByte(c)
+			sb.WriteByte(c)
 		}
 	}
-	return buf.String()
+	return sb.String()
 }
 
 type bufWriter struct {
diff --git a/vendor/google.golang.org/grpc/metadata/metadata.go b/vendor/google.golang.org/grpc/metadata/metadata.go
index 8e0f6abe8..98d62e067 100644
--- a/vendor/google.golang.org/grpc/metadata/metadata.go
+++ b/vendor/google.golang.org/grpc/metadata/metadata.go
@@ -50,7 +50,7 @@ type MD map[string][]string
 // Keys beginning with "grpc-" are reserved for grpc-internal use only and may
 // result in errors if set in metadata.
 func New(m map[string]string) MD {
-	md := MD{}
+	md := make(MD, len(m))
 	for k, val := range m {
 		key := strings.ToLower(k)
 		md[key] = append(md[key], val)
@@ -74,7 +74,7 @@ func Pairs(kv ...string) MD {
 	if len(kv)%2 == 1 {
 		panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
 	}
-	md := MD{}
+	md := make(MD, len(kv)/2)
 	for i := 0; i < len(kv); i += 2 {
 		key := strings.ToLower(kv[i])
 		md[key] = append(md[key], kv[i+1])
@@ -182,19 +182,51 @@ func FromIncomingContext(ctx context.Context) (MD, bool) {
 	if !ok {
 		return nil, false
 	}
-	out := MD{}
+	out := make(MD, len(md))
 	for k, v := range md {
 		// We need to manually convert all keys to lower case, because MD is a
 		// map, and there's no guarantee that the MD attached to the context is
 		// created using our helper functions.
 		key := strings.ToLower(k)
-		s := make([]string, len(v))
-		copy(s, v)
-		out[key] = s
+		out[key] = copyOf(v)
 	}
 	return out, true
 }
 
+// ValueFromIncomingContext returns the metadata value corresponding to the metadata
+// key from the incoming metadata if it exists. Key must be lower-case.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func ValueFromIncomingContext(ctx context.Context, key string) []string {
+	md, ok := ctx.Value(mdIncomingKey{}).(MD)
+	if !ok {
+		return nil
+	}
+
+	if v, ok := md[key]; ok {
+		return copyOf(v)
+	}
+	for k, v := range md {
+		// We need to manually convert all keys to lower case, because MD is a
+		// map, and there's no guarantee that the MD attached to the context is
+		// created using our helper functions.
+		if strings.ToLower(k) == key {
+			return copyOf(v)
+		}
+	}
+	return nil
+}
+
+// the returned slice must not be modified in place
+func copyOf(v []string) []string {
+	vals := make([]string, len(v))
+	copy(vals, v)
+	return vals
+}
+
 // FromOutgoingContextRaw returns the un-merged, intermediary contents of rawMD.
 //
 // Remember to perform strings.ToLower on the keys, for both the returned MD (MD
@@ -222,15 +254,18 @@ func FromOutgoingContext(ctx context.Context) (MD, bool) {
 		return nil, false
 	}
 
-	out := MD{}
+	mdSize := len(raw.md)
+	for i := range raw.added {
+		mdSize += len(raw.added[i]) / 2
+	}
+
+	out := make(MD, mdSize)
 	for k, v := range raw.md {
 		// We need to manually convert all keys to lower case, because MD is a
 		// map, and there's no guarantee that the MD attached to the context is
 		// created using our helper functions.
 		key := strings.ToLower(k)
-		s := make([]string, len(v))
-		copy(s, v)
-		out[key] = s
+		out[key] = copyOf(v)
 	}
 	for _, added := range raw.added {
 		if len(added)%2 == 1 {
diff --git a/vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go b/vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
index 4e6a6b1a8..b8e76a87d 100644
--- a/vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
+++ b/vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
@@ -1,3 +1,19 @@
+// Copyright 2016 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Service exported by server reflection
+
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go
index 2ad9da7bf..f4dde72b4 100644
--- a/vendor/google.golang.org/grpc/server.go
+++ b/vendor/google.golang.org/grpc/server.go
@@ -73,12 +73,14 @@ func init() {
 	internal.DrainServerTransports = func(srv *Server, addr string) {
 		srv.drainServerTransports(addr)
 	}
-	internal.AddExtraServerOptions = func(opt ...ServerOption) {
-		extraServerOptions = opt
+	internal.AddGlobalServerOptions = func(opt ...ServerOption) {
+		extraServerOptions = append(extraServerOptions, opt...)
 	}
-	internal.ClearExtraServerOptions = func() {
+	internal.ClearGlobalServerOptions = func() {
 		extraServerOptions = nil
 	}
+	internal.BinaryLogger = binaryLogger
+	internal.JoinServerOptions = newJoinServerOption
 }
 
 var statusOK = status.New(codes.OK, "")
@@ -155,6 +157,7 @@ type serverOptions struct {
 	streamInt             StreamServerInterceptor
 	chainUnaryInts        []UnaryServerInterceptor
 	chainStreamInts       []StreamServerInterceptor
+	binaryLogger          binarylog.Logger
 	inTapHandle           tap.ServerInHandle
 	statsHandlers         []stats.Handler
 	maxConcurrentStreams  uint32
@@ -214,6 +217,22 @@ func newFuncServerOption(f func(*serverOptions)) *funcServerOption {
 	}
 }
 
+// joinServerOption provides a way to combine arbitrary number of server
+// options into one.
+type joinServerOption struct {
+	opts []ServerOption
+}
+
+func (mdo *joinServerOption) apply(do *serverOptions) {
+	for _, opt := range mdo.opts {
+		opt.apply(do)
+	}
+}
+
+func newJoinServerOption(opts ...ServerOption) ServerOption {
+	return &joinServerOption{opts: opts}
+}
+
 // WriteBufferSize determines how much data can be batched before doing a write on the wire.
 // The corresponding memory allocation for this buffer will be twice the size to keep syscalls low.
 // The default value for this buffer is 32KB.
@@ -452,6 +471,14 @@ func StatsHandler(h stats.Handler) ServerOption {
 	})
 }
 
+// binaryLogger returns a ServerOption that can set the binary logger for the
+// server.
+func binaryLogger(bl binarylog.Logger) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.binaryLogger = bl
+	})
+}
+
 // UnknownServiceHandler returns a ServerOption that allows for adding a custom
 // unknown service handler. The provided method is a bidi-streaming RPC service
 // handler that will be invoked instead of returning the "unimplemented" gRPC
@@ -1199,9 +1226,16 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 			}
 		}()
 	}
-
-	binlog := binarylog.GetMethodLogger(stream.Method())
-	if binlog != nil {
+	var binlogs []binarylog.MethodLogger
+	if ml := binarylog.GetMethodLogger(stream.Method()); ml != nil {
+		binlogs = append(binlogs, ml)
+	}
+	if s.opts.binaryLogger != nil {
+		if ml := s.opts.binaryLogger.GetMethodLogger(stream.Method()); ml != nil {
+			binlogs = append(binlogs, ml)
+		}
+	}
+	if len(binlogs) != 0 {
 		ctx := stream.Context()
 		md, _ := metadata.FromIncomingContext(ctx)
 		logEntry := &binarylog.ClientHeader{
@@ -1221,7 +1255,9 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 		if peer, ok := peer.FromContext(ctx); ok {
 			logEntry.PeerAddr = peer.Addr
 		}
-		binlog.Log(logEntry)
+		for _, binlog := range binlogs {
+			binlog.Log(logEntry)
+		}
 	}
 
 	// comp and cp are used for compression.  decomp and dc are used for
@@ -1261,7 +1297,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 	}
 
 	var payInfo *payloadInfo
-	if len(shs) != 0 || binlog != nil {
+	if len(shs) != 0 || len(binlogs) != 0 {
 		payInfo = &payloadInfo{}
 	}
 	d, err := recvAndDecompress(&parser{r: stream}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp)
@@ -1287,10 +1323,13 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 				Length:     len(d),
 			})
 		}
-		if binlog != nil {
-			binlog.Log(&binarylog.ClientMessage{
+		if len(binlogs) != 0 {
+			cm := &binarylog.ClientMessage{
 				Message: d,
-			})
+			}
+			for _, binlog := range binlogs {
+				binlog.Log(cm)
+			}
 		}
 		if trInfo != nil {
 			trInfo.tr.LazyLog(&payload{sent: false, msg: v}, true)
@@ -1314,18 +1353,24 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 		if e := t.WriteStatus(stream, appStatus); e != nil {
 			channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 		}
-		if binlog != nil {
+		if len(binlogs) != 0 {
 			if h, _ := stream.Header(); h.Len() > 0 {
 				// Only log serverHeader if there was header. Otherwise it can
 				// be trailer only.
-				binlog.Log(&binarylog.ServerHeader{
+				sh := &binarylog.ServerHeader{
 					Header: h,
-				})
+				}
+				for _, binlog := range binlogs {
+					binlog.Log(sh)
+				}
 			}
-			binlog.Log(&binarylog.ServerTrailer{
+			st := &binarylog.ServerTrailer{
 				Trailer: stream.Trailer(),
 				Err:     appErr,
-			})
+			}
+			for _, binlog := range binlogs {
+				binlog.Log(st)
+			}
 		}
 		return appErr
 	}
@@ -1351,26 +1396,34 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 				panic(fmt.Sprintf("grpc: Unexpected error (%T) from sendResponse: %v", st, st))
 			}
 		}
-		if binlog != nil {
+		if len(binlogs) != 0 {
 			h, _ := stream.Header()
-			binlog.Log(&binarylog.ServerHeader{
+			sh := &binarylog.ServerHeader{
 				Header: h,
-			})
-			binlog.Log(&binarylog.ServerTrailer{
+			}
+			st := &binarylog.ServerTrailer{
 				Trailer: stream.Trailer(),
 				Err:     appErr,
-			})
+			}
+			for _, binlog := range binlogs {
+				binlog.Log(sh)
+				binlog.Log(st)
+			}
 		}
 		return err
 	}
-	if binlog != nil {
+	if len(binlogs) != 0 {
 		h, _ := stream.Header()
-		binlog.Log(&binarylog.ServerHeader{
+		sh := &binarylog.ServerHeader{
 			Header: h,
-		})
-		binlog.Log(&binarylog.ServerMessage{
+		}
+		sm := &binarylog.ServerMessage{
 			Message: reply,
-		})
+		}
+		for _, binlog := range binlogs {
+			binlog.Log(sh)
+			binlog.Log(sm)
+		}
 	}
 	if channelz.IsOn() {
 		t.IncrMsgSent()
@@ -1382,11 +1435,14 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 	// Should the logging be in WriteStatus?  Should we ignore the WriteStatus
 	// error or allow the stats handler to see it?
 	err = t.WriteStatus(stream, statusOK)
-	if binlog != nil {
-		binlog.Log(&binarylog.ServerTrailer{
+	if len(binlogs) != 0 {
+		st := &binarylog.ServerTrailer{
 			Trailer: stream.Trailer(),
 			Err:     appErr,
-		})
+		}
+		for _, binlog := range binlogs {
+			binlog.Log(st)
+		}
 	}
 	return err
 }
@@ -1499,8 +1555,15 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
 		}()
 	}
 
-	ss.binlog = binarylog.GetMethodLogger(stream.Method())
-	if ss.binlog != nil {
+	if ml := binarylog.GetMethodLogger(stream.Method()); ml != nil {
+		ss.binlogs = append(ss.binlogs, ml)
+	}
+	if s.opts.binaryLogger != nil {
+		if ml := s.opts.binaryLogger.GetMethodLogger(stream.Method()); ml != nil {
+			ss.binlogs = append(ss.binlogs, ml)
+		}
+	}
+	if len(ss.binlogs) != 0 {
 		md, _ := metadata.FromIncomingContext(ctx)
 		logEntry := &binarylog.ClientHeader{
 			Header:     md,
@@ -1519,7 +1582,9 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
 		if peer, ok := peer.FromContext(ss.Context()); ok {
 			logEntry.PeerAddr = peer.Addr
 		}
-		ss.binlog.Log(logEntry)
+		for _, binlog := range ss.binlogs {
+			binlog.Log(logEntry)
+		}
 	}
 
 	// If dc is set and matches the stream's compression, use it.  Otherwise, try
@@ -1585,11 +1650,14 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
 			ss.mu.Unlock()
 		}
 		t.WriteStatus(ss.s, appStatus)
-		if ss.binlog != nil {
-			ss.binlog.Log(&binarylog.ServerTrailer{
+		if len(ss.binlogs) != 0 {
+			st := &binarylog.ServerTrailer{
 				Trailer: ss.s.Trailer(),
 				Err:     appErr,
-			})
+			}
+			for _, binlog := range ss.binlogs {
+				binlog.Log(st)
+			}
 		}
 		// TODO: Should we log an error from WriteStatus here and below?
 		return appErr
@@ -1600,11 +1668,14 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
 		ss.mu.Unlock()
 	}
 	err = t.WriteStatus(ss.s, statusOK)
-	if ss.binlog != nil {
-		ss.binlog.Log(&binarylog.ServerTrailer{
+	if len(ss.binlogs) != 0 {
+		st := &binarylog.ServerTrailer{
 			Trailer: ss.s.Trailer(),
 			Err:     appErr,
-		})
+		}
+		for _, binlog := range ss.binlogs {
+			binlog.Log(st)
+		}
 	}
 	return err
 }
diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go
index 446a91e32..0c16cfb2e 100644
--- a/vendor/google.golang.org/grpc/stream.go
+++ b/vendor/google.golang.org/grpc/stream.go
@@ -301,7 +301,14 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 	if !cc.dopts.disableRetry {
 		cs.retryThrottler = cc.retryThrottler.Load().(*retryThrottler)
 	}
-	cs.binlog = binarylog.GetMethodLogger(method)
+	if ml := binarylog.GetMethodLogger(method); ml != nil {
+		cs.binlogs = append(cs.binlogs, ml)
+	}
+	if cc.dopts.binaryLogger != nil {
+		if ml := cc.dopts.binaryLogger.GetMethodLogger(method); ml != nil {
+			cs.binlogs = append(cs.binlogs, ml)
+		}
+	}
 
 	// Pick the transport to use and create a new stream on the transport.
 	// Assign cs.attempt upon success.
@@ -322,7 +329,7 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 		return nil, err
 	}
 
-	if cs.binlog != nil {
+	if len(cs.binlogs) != 0 {
 		md, _ := metadata.FromOutgoingContext(ctx)
 		logEntry := &binarylog.ClientHeader{
 			OnClientSide: true,
@@ -336,7 +343,9 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 				logEntry.Timeout = 0
 			}
 		}
-		cs.binlog.Log(logEntry)
+		for _, binlog := range cs.binlogs {
+			binlog.Log(logEntry)
+		}
 	}
 
 	if desc != unaryStreamDesc {
@@ -480,7 +489,7 @@ type clientStream struct {
 
 	retryThrottler *retryThrottler // The throttler active when the RPC began.
 
-	binlog binarylog.MethodLogger // Binary logger, can be nil.
+	binlogs []binarylog.MethodLogger
 	// serverHeaderBinlogged is a boolean for whether server header has been
 	// logged. Server header will be logged when the first time one of those
 	// happens: stream.Header(), stream.Recv().
@@ -744,7 +753,7 @@ func (cs *clientStream) Header() (metadata.MD, error) {
 		cs.finish(err)
 		return nil, err
 	}
-	if cs.binlog != nil && !cs.serverHeaderBinlogged {
+	if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged {
 		// Only log if binary log is on and header has not been logged.
 		logEntry := &binarylog.ServerHeader{
 			OnClientSide: true,
@@ -754,8 +763,10 @@ func (cs *clientStream) Header() (metadata.MD, error) {
 		if peer, ok := peer.FromContext(cs.Context()); ok {
 			logEntry.PeerAddr = peer.Addr
 		}
-		cs.binlog.Log(logEntry)
 		cs.serverHeaderBinlogged = true
+		for _, binlog := range cs.binlogs {
+			binlog.Log(logEntry)
+		}
 	}
 	return m, nil
 }
@@ -829,38 +840,44 @@ func (cs *clientStream) SendMsg(m interface{}) (err error) {
 		return a.sendMsg(m, hdr, payload, data)
 	}
 	err = cs.withRetry(op, func() { cs.bufferForRetryLocked(len(hdr)+len(payload), op) })
-	if cs.binlog != nil && err == nil {
-		cs.binlog.Log(&binarylog.ClientMessage{
+	if len(cs.binlogs) != 0 && err == nil {
+		cm := &binarylog.ClientMessage{
 			OnClientSide: true,
 			Message:      data,
-		})
+		}
+		for _, binlog := range cs.binlogs {
+			binlog.Log(cm)
+		}
 	}
 	return err
 }
 
 func (cs *clientStream) RecvMsg(m interface{}) error {
-	if cs.binlog != nil && !cs.serverHeaderBinlogged {
+	if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged {
 		// Call Header() to binary log header if it's not already logged.
 		cs.Header()
 	}
 	var recvInfo *payloadInfo
-	if cs.binlog != nil {
+	if len(cs.binlogs) != 0 {
 		recvInfo = &payloadInfo{}
 	}
 	err := cs.withRetry(func(a *csAttempt) error {
 		return a.recvMsg(m, recvInfo)
 	}, cs.commitAttemptLocked)
-	if cs.binlog != nil && err == nil {
-		cs.binlog.Log(&binarylog.ServerMessage{
+	if len(cs.binlogs) != 0 && err == nil {
+		sm := &binarylog.ServerMessage{
 			OnClientSide: true,
 			Message:      recvInfo.uncompressedBytes,
-		})
+		}
+		for _, binlog := range cs.binlogs {
+			binlog.Log(sm)
+		}
 	}
 	if err != nil || !cs.desc.ServerStreams {
 		// err != nil or non-server-streaming indicates end of stream.
 		cs.finish(err)
 
-		if cs.binlog != nil {
+		if len(cs.binlogs) != 0 {
 			// finish will not log Trailer. Log Trailer here.
 			logEntry := &binarylog.ServerTrailer{
 				OnClientSide: true,
@@ -873,7 +890,9 @@ func (cs *clientStream) RecvMsg(m interface{}) error {
 			if peer, ok := peer.FromContext(cs.Context()); ok {
 				logEntry.PeerAddr = peer.Addr
 			}
-			cs.binlog.Log(logEntry)
+			for _, binlog := range cs.binlogs {
+				binlog.Log(logEntry)
+			}
 		}
 	}
 	return err
@@ -894,10 +913,13 @@ func (cs *clientStream) CloseSend() error {
 		return nil
 	}
 	cs.withRetry(op, func() { cs.bufferForRetryLocked(0, op) })
-	if cs.binlog != nil {
-		cs.binlog.Log(&binarylog.ClientHalfClose{
+	if len(cs.binlogs) != 0 {
+		chc := &binarylog.ClientHalfClose{
 			OnClientSide: true,
-		})
+		}
+		for _, binlog := range cs.binlogs {
+			binlog.Log(chc)
+		}
 	}
 	// We never returned an error here for reasons.
 	return nil
@@ -930,10 +952,13 @@ func (cs *clientStream) finish(err error) {
 	//
 	// Only one of cancel or trailer needs to be logged. In the cases where
 	// users don't call RecvMsg, users must have already canceled the RPC.
-	if cs.binlog != nil && status.Code(err) == codes.Canceled {
-		cs.binlog.Log(&binarylog.Cancel{
+	if len(cs.binlogs) != 0 && status.Code(err) == codes.Canceled {
+		c := &binarylog.Cancel{
 			OnClientSide: true,
-		})
+		}
+		for _, binlog := range cs.binlogs {
+			binlog.Log(c)
+		}
 	}
 	if err == nil {
 		cs.retryThrottler.successfulRPC()
@@ -1005,6 +1030,7 @@ func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) {
 			}
 			return io.EOF // indicates successful end of stream.
 		}
+
 		return toRPCErr(err)
 	}
 	if a.trInfo != nil {
@@ -1453,7 +1479,7 @@ type serverStream struct {
 
 	statsHandler []stats.Handler
 
-	binlog binarylog.MethodLogger
+	binlogs []binarylog.MethodLogger
 	// serverHeaderBinlogged indicates whether server header has been logged. It
 	// will happen when one of the following two happens: stream.SendHeader(),
 	// stream.Send().
@@ -1487,12 +1513,15 @@ func (ss *serverStream) SendHeader(md metadata.MD) error {
 	}
 
 	err = ss.t.WriteHeader(ss.s, md)
-	if ss.binlog != nil && !ss.serverHeaderBinlogged {
+	if len(ss.binlogs) != 0 && !ss.serverHeaderBinlogged {
 		h, _ := ss.s.Header()
-		ss.binlog.Log(&binarylog.ServerHeader{
+		sh := &binarylog.ServerHeader{
 			Header: h,
-		})
+		}
 		ss.serverHeaderBinlogged = true
+		for _, binlog := range ss.binlogs {
+			binlog.Log(sh)
+		}
 	}
 	return err
 }
@@ -1549,17 +1578,23 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) {
 	if err := ss.t.Write(ss.s, hdr, payload, &transport.Options{Last: false}); err != nil {
 		return toRPCErr(err)
 	}
-	if ss.binlog != nil {
+	if len(ss.binlogs) != 0 {
 		if !ss.serverHeaderBinlogged {
 			h, _ := ss.s.Header()
-			ss.binlog.Log(&binarylog.ServerHeader{
+			sh := &binarylog.ServerHeader{
 				Header: h,
-			})
+			}
 			ss.serverHeaderBinlogged = true
+			for _, binlog := range ss.binlogs {
+				binlog.Log(sh)
+			}
 		}
-		ss.binlog.Log(&binarylog.ServerMessage{
+		sm := &binarylog.ServerMessage{
 			Message: data,
-		})
+		}
+		for _, binlog := range ss.binlogs {
+			binlog.Log(sm)
+		}
 	}
 	if len(ss.statsHandler) != 0 {
 		for _, sh := range ss.statsHandler {
@@ -1598,13 +1633,16 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) {
 		}
 	}()
 	var payInfo *payloadInfo
-	if len(ss.statsHandler) != 0 || ss.binlog != nil {
+	if len(ss.statsHandler) != 0 || len(ss.binlogs) != 0 {
 		payInfo = &payloadInfo{}
 	}
 	if err := recv(ss.p, ss.codec, ss.s, ss.dc, m, ss.maxReceiveMessageSize, payInfo, ss.decomp); err != nil {
 		if err == io.EOF {
-			if ss.binlog != nil {
-				ss.binlog.Log(&binarylog.ClientHalfClose{})
+			if len(ss.binlogs) != 0 {
+				chc := &binarylog.ClientHalfClose{}
+				for _, binlog := range ss.binlogs {
+					binlog.Log(chc)
+				}
 			}
 			return err
 		}
@@ -1625,10 +1663,13 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) {
 			})
 		}
 	}
-	if ss.binlog != nil {
-		ss.binlog.Log(&binarylog.ClientMessage{
+	if len(ss.binlogs) != 0 {
+		cm := &binarylog.ClientMessage{
 			Message: payInfo.uncompressedBytes,
-		})
+		}
+		for _, binlog := range ss.binlogs {
+			binlog.Log(cm)
+		}
 	}
 	return nil
 }
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index 8934f06bc..d472ca643 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.49.0"
+const Version = "1.50.1"
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6f9227f33..72b8b1fa6 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -698,7 +698,7 @@ google.golang.org/appengine/urlfetch
 google.golang.org/genproto/googleapis/api/httpbody
 google.golang.org/genproto/googleapis/rpc/status
 google.golang.org/genproto/protobuf/field_mask
-# google.golang.org/grpc v1.49.0
+# google.golang.org/grpc v1.50.1
 ## explicit; go 1.17
 google.golang.org/grpc
 google.golang.org/grpc/attributes