From ea5a986da6409f8f7ee866f592a80f33319ba092 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Sun, 18 Feb 2024 19:57:08 +0800
Subject: [PATCH 01/11] https client

---
 api/gateway/config/v1/gateway.pb.go           | 406 ++++++++++++------
 api/gateway/config/v1/gateway.proto           |   9 +
 .../circuitbreaker/v1/circuitbreaker.pb.go    |   2 +-
 api/gateway/middleware/cors/v1/cors.pb.go     |   2 +-
 .../middleware/logging/v1/logging.pb.go       |   2 +-
 .../middleware/rewrite/v1/rewrite.pb.go       |   2 +-
 .../middleware/tracing/v1/tracing.pb.go       |   2 +-
 client/client_test.go                         |  14 +
 client/node.go                                |  55 ++-
 go.mod                                        |   6 +-
 go.sum                                        |  12 +-
 11 files changed, 350 insertions(+), 162 deletions(-)

diff --git a/api/gateway/config/v1/gateway.pb.go b/api/gateway/config/v1/gateway.pb.go
index e5e7b777..a2b422bd 100644
--- a/api/gateway/config/v1/gateway.pb.go
+++ b/api/gateway/config/v1/gateway.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/config/v1/gateway.proto
 
 package v1
@@ -79,9 +79,10 @@ type Gateway struct {
 	Name    string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
 	// Deprecated: Marked as deprecated in gateway/config/v1/gateway.proto.
-	Hosts       []string      `protobuf:"bytes,3,rep,name=hosts,proto3" json:"hosts,omitempty"`
-	Endpoints   []*Endpoint   `protobuf:"bytes,4,rep,name=endpoints,proto3" json:"endpoints,omitempty"`
-	Middlewares []*Middleware `protobuf:"bytes,5,rep,name=middlewares,proto3" json:"middlewares,omitempty"`
+	Hosts       []string        `protobuf:"bytes,3,rep,name=hosts,proto3" json:"hosts,omitempty"`
+	Endpoints   []*Endpoint     `protobuf:"bytes,4,rep,name=endpoints,proto3" json:"endpoints,omitempty"`
+	Middlewares []*Middleware   `protobuf:"bytes,5,rep,name=middlewares,proto3" json:"middlewares,omitempty"`
+	TlsStore    map[string]*TLS `protobuf:"bytes,6,rep,name=tls_store,json=tlsStore,proto3" json:"tls_store,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *Gateway) Reset() {
@@ -152,6 +153,84 @@ func (x *Gateway) GetMiddlewares() []*Middleware {
 	return nil
 }
 
+func (x *Gateway) GetTlsStore() map[string]*TLS {
+	if x != nil {
+		return x.TlsStore
+	}
+	return nil
+}
+
+type TLS struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Verify bool   `protobuf:"varint,1,opt,name=verify,proto3" json:"verify,omitempty"`
+	Cacert string `protobuf:"bytes,2,opt,name=cacert,proto3" json:"cacert,omitempty"`
+	Cert   string `protobuf:"bytes,3,opt,name=cert,proto3" json:"cert,omitempty"`
+	Key    string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (x *TLS) Reset() {
+	*x = TLS{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TLS) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TLS) ProtoMessage() {}
+
+func (x *TLS) ProtoReflect() protoreflect.Message {
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TLS.ProtoReflect.Descriptor instead.
+func (*TLS) Descriptor() ([]byte, []int) {
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *TLS) GetVerify() bool {
+	if x != nil {
+		return x.Verify
+	}
+	return false
+}
+
+func (x *TLS) GetCacert() string {
+	if x != nil {
+		return x.Cacert
+	}
+	return ""
+}
+
+func (x *TLS) GetCert() string {
+	if x != nil {
+		return x.Cert
+	}
+	return ""
+}
+
+func (x *TLS) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
 type Endpoint struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -172,7 +251,7 @@ type Endpoint struct {
 func (x *Endpoint) Reset() {
 	*x = Endpoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[1]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -185,7 +264,7 @@ func (x *Endpoint) String() string {
 func (*Endpoint) ProtoMessage() {}
 
 func (x *Endpoint) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[1]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -198,7 +277,7 @@ func (x *Endpoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Endpoint.ProtoReflect.Descriptor instead.
 func (*Endpoint) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{1}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *Endpoint) GetPath() string {
@@ -284,7 +363,7 @@ type Middleware struct {
 func (x *Middleware) Reset() {
 	*x = Middleware{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[2]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -297,7 +376,7 @@ func (x *Middleware) String() string {
 func (*Middleware) ProtoMessage() {}
 
 func (x *Middleware) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[2]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -310,7 +389,7 @@ func (x *Middleware) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Middleware.ProtoReflect.Descriptor instead.
 func (*Middleware) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{2}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *Middleware) GetName() string {
@@ -345,12 +424,13 @@ type Backend struct {
 	Target      string       `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
 	Weight      *int64       `protobuf:"varint,2,opt,name=weight,proto3,oneof" json:"weight,omitempty"`
 	HealthCheck *HealthCheck `protobuf:"bytes,3,opt,name=health_check,json=healthCheck,proto3" json:"health_check,omitempty"`
+	Tls         string       `protobuf:"bytes,4,opt,name=tls,proto3" json:"tls,omitempty"`
 }
 
 func (x *Backend) Reset() {
 	*x = Backend{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[3]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -363,7 +443,7 @@ func (x *Backend) String() string {
 func (*Backend) ProtoMessage() {}
 
 func (x *Backend) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[3]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -376,7 +456,7 @@ func (x *Backend) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Backend.ProtoReflect.Descriptor instead.
 func (*Backend) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{3}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *Backend) GetTarget() string {
@@ -400,6 +480,13 @@ func (x *Backend) GetHealthCheck() *HealthCheck {
 	return nil
 }
 
+func (x *Backend) GetTls() string {
+	if x != nil {
+		return x.Tls
+	}
+	return ""
+}
+
 type HealthCheck struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -409,7 +496,7 @@ type HealthCheck struct {
 func (x *HealthCheck) Reset() {
 	*x = HealthCheck{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[4]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -422,7 +509,7 @@ func (x *HealthCheck) String() string {
 func (*HealthCheck) ProtoMessage() {}
 
 func (x *HealthCheck) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[4]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -435,7 +522,7 @@ func (x *HealthCheck) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HealthCheck.ProtoReflect.Descriptor instead.
 func (*HealthCheck) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{4}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{5}
 }
 
 type Retry struct {
@@ -454,7 +541,7 @@ type Retry struct {
 func (x *Retry) Reset() {
 	*x = Retry{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[5]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -467,7 +554,7 @@ func (x *Retry) String() string {
 func (*Retry) ProtoMessage() {}
 
 func (x *Retry) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[5]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -480,7 +567,7 @@ func (x *Retry) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Retry.ProtoReflect.Descriptor instead.
 func (*Retry) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{5}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Retry) GetAttempts() uint32 {
@@ -526,7 +613,7 @@ type Condition struct {
 func (x *Condition) Reset() {
 	*x = Condition{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[6]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -539,7 +626,7 @@ func (x *Condition) String() string {
 func (*Condition) ProtoMessage() {}
 
 func (x *Condition) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[6]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -552,7 +639,7 @@ func (x *Condition) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Condition.ProtoReflect.Descriptor instead.
 func (*Condition) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{6}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{7}
 }
 
 func (m *Condition) GetCondition() isCondition_Condition {
@@ -606,7 +693,7 @@ type ConditionHeader struct {
 func (x *ConditionHeader) Reset() {
 	*x = ConditionHeader{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[8]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -619,7 +706,7 @@ func (x *ConditionHeader) String() string {
 func (*ConditionHeader) ProtoMessage() {}
 
 func (x *ConditionHeader) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[8]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -632,7 +719,7 @@ func (x *ConditionHeader) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ConditionHeader.ProtoReflect.Descriptor instead.
 func (*ConditionHeader) Descriptor() ([]byte, []int) {
-	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{6, 0}
+	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{7, 0}
 }
 
 func (x *ConditionHeader) GetName() string {
@@ -659,7 +746,7 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a,
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 	0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12,
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@@ -671,88 +758,105 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
 	0x0a, 0x0b, 0x6d, 0x69, 0x64, 0x64, 0x6c, 0x65, 0x77, 0x61, 0x72, 0x65, 0x73, 0x18, 0x05, 0x20,
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-	0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6e,
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-	0x52, 0x0a, 0x70, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x69, 0x65, 0x73, 0x22, 0xb8, 0x01, 0x0a,
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-	0x5f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x01, 0x20, 0x01,
-	0x28, 0x09, 0x48, 0x00, 0x52, 0x0c, 0x62, 0x79, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x43, 0x6f,
-	0x64, 0x65, 0x12, 0x42, 0x0a, 0x09, 0x62, 0x79, 0x5f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x23, 0x2e, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2e,
-	0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74,
-	0x69, 0x6f, 0x6e, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x48, 0x00, 0x52, 0x08, 0x62, 0x79,
-	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x1a, 0x32, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72,
-	0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
-	0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x42, 0x0b, 0x0a, 0x09, 0x63, 0x6f,
-	0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2a, 0x2f, 0x0a, 0x08, 0x50, 0x72, 0x6f, 0x74, 0x6f,
-	0x63, 0x6f, 0x6c, 0x12, 0x0f, 0x0a, 0x0b, 0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49,
-	0x45, 0x44, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x01, 0x12, 0x08,
-	0x0a, 0x04, 0x47, 0x52, 0x50, 0x43, 0x10, 0x02, 0x42, 0x34, 0x5a, 0x32, 0x67, 0x69, 0x74, 0x68,
-	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73,
-	0x2f, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x67, 0x61, 0x74,
-	0x65, 0x77, 0x61, 0x79, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2f, 0x76, 0x31, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x76, 0x61, 0x6c, 0x75, 0x65, 0x42, 0x0b, 0x0a, 0x09, 0x63, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69,
+	0x6f, 0x6e, 0x2a, 0x2f, 0x0a, 0x08, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x12, 0x0f,
+	0x0a, 0x0b, 0x55, 0x4e, 0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12,
+	0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x47, 0x52, 0x50,
+	0x43, 0x10, 0x02, 0x42, 0x34, 0x5a, 0x32, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x67, 0x61, 0x74, 0x65,
+	0x77, 0x61, 0x79, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2f,
+	0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (
@@ -768,40 +872,44 @@ func file_gateway_config_v1_gateway_proto_rawDescGZIP() []byte {
 }
 
 var file_gateway_config_v1_gateway_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_gateway_config_v1_gateway_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_gateway_config_v1_gateway_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_gateway_config_v1_gateway_proto_goTypes = []interface{}{
 	(Protocol)(0),               // 0: gateway.config.v1.Protocol
 	(*Gateway)(nil),             // 1: gateway.config.v1.Gateway
-	(*Endpoint)(nil),            // 2: gateway.config.v1.Endpoint
-	(*Middleware)(nil),          // 3: gateway.config.v1.Middleware
-	(*Backend)(nil),             // 4: gateway.config.v1.Backend
-	(*HealthCheck)(nil),         // 5: gateway.config.v1.HealthCheck
-	(*Retry)(nil),               // 6: gateway.config.v1.Retry
-	(*Condition)(nil),           // 7: gateway.config.v1.Condition
-	nil,                         // 8: gateway.config.v1.Endpoint.MetadataEntry
-	(*ConditionHeader)(nil),     // 9: gateway.config.v1.Condition.header
-	(*durationpb.Duration)(nil), // 10: google.protobuf.Duration
-	(*anypb.Any)(nil),           // 11: google.protobuf.Any
+	(*TLS)(nil),                 // 2: gateway.config.v1.TLS
+	(*Endpoint)(nil),            // 3: gateway.config.v1.Endpoint
+	(*Middleware)(nil),          // 4: gateway.config.v1.Middleware
+	(*Backend)(nil),             // 5: gateway.config.v1.Backend
+	(*HealthCheck)(nil),         // 6: gateway.config.v1.HealthCheck
+	(*Retry)(nil),               // 7: gateway.config.v1.Retry
+	(*Condition)(nil),           // 8: gateway.config.v1.Condition
+	nil,                         // 9: gateway.config.v1.Gateway.TlsStoreEntry
+	nil,                         // 10: gateway.config.v1.Endpoint.MetadataEntry
+	(*ConditionHeader)(nil),     // 11: gateway.config.v1.Condition.header
+	(*durationpb.Duration)(nil), // 12: google.protobuf.Duration
+	(*anypb.Any)(nil),           // 13: google.protobuf.Any
 }
 var file_gateway_config_v1_gateway_proto_depIdxs = []int32{
-	2,  // 0: gateway.config.v1.Gateway.endpoints:type_name -> gateway.config.v1.Endpoint
-	3,  // 1: gateway.config.v1.Gateway.middlewares:type_name -> gateway.config.v1.Middleware
-	0,  // 2: gateway.config.v1.Endpoint.protocol:type_name -> gateway.config.v1.Protocol
-	10, // 3: gateway.config.v1.Endpoint.timeout:type_name -> google.protobuf.Duration
-	3,  // 4: gateway.config.v1.Endpoint.middlewares:type_name -> gateway.config.v1.Middleware
-	4,  // 5: gateway.config.v1.Endpoint.backends:type_name -> gateway.config.v1.Backend
-	6,  // 6: gateway.config.v1.Endpoint.retry:type_name -> gateway.config.v1.Retry
-	8,  // 7: gateway.config.v1.Endpoint.metadata:type_name -> gateway.config.v1.Endpoint.MetadataEntry
-	11, // 8: gateway.config.v1.Middleware.options:type_name -> google.protobuf.Any
-	5,  // 9: gateway.config.v1.Backend.health_check:type_name -> gateway.config.v1.HealthCheck
-	10, // 10: gateway.config.v1.Retry.per_try_timeout:type_name -> google.protobuf.Duration
-	7,  // 11: gateway.config.v1.Retry.conditions:type_name -> gateway.config.v1.Condition
-	9,  // 12: gateway.config.v1.Condition.by_header:type_name -> gateway.config.v1.Condition.header
-	13, // [13:13] is the sub-list for method output_type
-	13, // [13:13] is the sub-list for method input_type
-	13, // [13:13] is the sub-list for extension type_name
-	13, // [13:13] is the sub-list for extension extendee
-	0,  // [0:13] is the sub-list for field type_name
+	3,  // 0: gateway.config.v1.Gateway.endpoints:type_name -> gateway.config.v1.Endpoint
+	4,  // 1: gateway.config.v1.Gateway.middlewares:type_name -> gateway.config.v1.Middleware
+	9,  // 2: gateway.config.v1.Gateway.tls_store:type_name -> gateway.config.v1.Gateway.TlsStoreEntry
+	0,  // 3: gateway.config.v1.Endpoint.protocol:type_name -> gateway.config.v1.Protocol
+	12, // 4: gateway.config.v1.Endpoint.timeout:type_name -> google.protobuf.Duration
+	4,  // 5: gateway.config.v1.Endpoint.middlewares:type_name -> gateway.config.v1.Middleware
+	5,  // 6: gateway.config.v1.Endpoint.backends:type_name -> gateway.config.v1.Backend
+	7,  // 7: gateway.config.v1.Endpoint.retry:type_name -> gateway.config.v1.Retry
+	10, // 8: gateway.config.v1.Endpoint.metadata:type_name -> gateway.config.v1.Endpoint.MetadataEntry
+	13, // 9: gateway.config.v1.Middleware.options:type_name -> google.protobuf.Any
+	6,  // 10: gateway.config.v1.Backend.health_check:type_name -> gateway.config.v1.HealthCheck
+	12, // 11: gateway.config.v1.Retry.per_try_timeout:type_name -> google.protobuf.Duration
+	8,  // 12: gateway.config.v1.Retry.conditions:type_name -> gateway.config.v1.Condition
+	11, // 13: gateway.config.v1.Condition.by_header:type_name -> gateway.config.v1.Condition.header
+	2,  // 14: gateway.config.v1.Gateway.TlsStoreEntry.value:type_name -> gateway.config.v1.TLS
+	15, // [15:15] is the sub-list for method output_type
+	15, // [15:15] is the sub-list for method input_type
+	15, // [15:15] is the sub-list for extension type_name
+	15, // [15:15] is the sub-list for extension extendee
+	0,  // [0:15] is the sub-list for field type_name
 }
 
 func init() { file_gateway_config_v1_gateway_proto_init() }
@@ -823,7 +931,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Endpoint); i {
+			switch v := v.(*TLS); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -835,7 +943,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Middleware); i {
+			switch v := v.(*Endpoint); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -847,7 +955,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Backend); i {
+			switch v := v.(*Middleware); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -859,7 +967,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HealthCheck); i {
+			switch v := v.(*Backend); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -871,7 +979,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Retry); i {
+			switch v := v.(*HealthCheck); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -883,6 +991,18 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 		file_gateway_config_v1_gateway_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Retry); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_gateway_config_v1_gateway_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Condition); i {
 			case 0:
 				return &v.state
@@ -894,7 +1014,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 				return nil
 			}
 		}
-		file_gateway_config_v1_gateway_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+		file_gateway_config_v1_gateway_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ConditionHeader); i {
 			case 0:
 				return &v.state
@@ -907,8 +1027,8 @@ func file_gateway_config_v1_gateway_proto_init() {
 			}
 		}
 	}
-	file_gateway_config_v1_gateway_proto_msgTypes[3].OneofWrappers = []interface{}{}
-	file_gateway_config_v1_gateway_proto_msgTypes[6].OneofWrappers = []interface{}{
+	file_gateway_config_v1_gateway_proto_msgTypes[4].OneofWrappers = []interface{}{}
+	file_gateway_config_v1_gateway_proto_msgTypes[7].OneofWrappers = []interface{}{
 		(*Condition_ByStatusCode)(nil),
 		(*Condition_ByHeader)(nil),
 	}
@@ -918,7 +1038,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_gateway_config_v1_gateway_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   9,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/api/gateway/config/v1/gateway.proto b/api/gateway/config/v1/gateway.proto
index f6062287..5a015afa 100644
--- a/api/gateway/config/v1/gateway.proto
+++ b/api/gateway/config/v1/gateway.proto
@@ -13,6 +13,14 @@ message Gateway {
     repeated string hosts = 3 [deprecated = true];
     repeated Endpoint endpoints = 4;
     repeated Middleware middlewares = 5;
+    map<string, TLS> tls_store = 6;
+}
+
+message TLS {
+    bool verify = 1;
+    string cacert = 2;
+    string cert = 3;
+    string key = 4;
 }
 
 message Endpoint {
@@ -41,6 +49,7 @@ message Backend {
     string target = 1;
     optional int64 weight = 2;
     HealthCheck health_check = 3;
+    string tls = 4;
 }
 
 enum Protocol {
diff --git a/api/gateway/middleware/circuitbreaker/v1/circuitbreaker.pb.go b/api/gateway/middleware/circuitbreaker/v1/circuitbreaker.pb.go
index 456178aa..536416af 100644
--- a/api/gateway/middleware/circuitbreaker/v1/circuitbreaker.pb.go
+++ b/api/gateway/middleware/circuitbreaker/v1/circuitbreaker.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/middleware/circuitbreaker/v1/circuitbreaker.proto
 
 package v1
diff --git a/api/gateway/middleware/cors/v1/cors.pb.go b/api/gateway/middleware/cors/v1/cors.pb.go
index 0937137e..6e4ea40f 100644
--- a/api/gateway/middleware/cors/v1/cors.pb.go
+++ b/api/gateway/middleware/cors/v1/cors.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/middleware/cors/v1/cors.proto
 
 package v1
diff --git a/api/gateway/middleware/logging/v1/logging.pb.go b/api/gateway/middleware/logging/v1/logging.pb.go
index f8236fac..8408550b 100644
--- a/api/gateway/middleware/logging/v1/logging.pb.go
+++ b/api/gateway/middleware/logging/v1/logging.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/middleware/logging/v1/logging.proto
 
 package v1
diff --git a/api/gateway/middleware/rewrite/v1/rewrite.pb.go b/api/gateway/middleware/rewrite/v1/rewrite.pb.go
index 469564a3..639a7e46 100644
--- a/api/gateway/middleware/rewrite/v1/rewrite.pb.go
+++ b/api/gateway/middleware/rewrite/v1/rewrite.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/middleware/rewrite/v1/rewrite.proto
 
 package v1
diff --git a/api/gateway/middleware/tracing/v1/tracing.pb.go b/api/gateway/middleware/tracing/v1/tracing.pb.go
index 99edad39..99b7451e 100644
--- a/api/gateway/middleware/tracing/v1/tracing.pb.go
+++ b/api/gateway/middleware/tracing/v1/tracing.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.31.0
-// 	protoc        v4.23.4
+// 	protoc        v4.25.1
 // source: gateway/middleware/tracing/v1/tracing.proto
 
 package v1
diff --git a/client/client_test.go b/client/client_test.go
index da13c8ef..9ba219a4 100644
--- a/client/client_test.go
+++ b/client/client_test.go
@@ -1 +1,15 @@
 package client
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestRequestHTTPS(t *testing.T) {
+	resp, err := _globalHTTPSClient.Get("https://www.bilibili.com")
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+	fmt.Println("RESP", resp.Proto, resp.Status, resp.StatusCode)
+}
diff --git a/client/node.go b/client/node.go
index 0b01d4a4..fc9c66a5 100644
--- a/client/node.go
+++ b/client/node.go
@@ -19,7 +19,8 @@ import (
 
 var _ selector.Node = &node{}
 var _globalClient = defaultClient()
-var _globalH2Client = defaultH2Client()
+var _globalH2CClient = defaultH2CClient()
+var _globalHTTPSClient = defaultHTTPSClient()
 var _dialTimeout = 200 * time.Millisecond
 var followRedirect = false
 
@@ -77,7 +78,7 @@ func defaultClient() *http.Client {
 	}
 }
 
-func defaultH2Client() *http.Client {
+func defaultH2CClient() *http.Client {
 	return &http.Client{
 		CheckRedirect: defaultCheckRedirect,
 		Transport: &http2.Transport{
@@ -93,6 +94,50 @@ func defaultH2Client() *http.Client {
 	}
 }
 
+func defaultHTTPSClient() *http.Client {
+	tr := &http.Transport{
+		// TLSClientConfig: ,
+		Proxy: http.ProxyFromEnvironment,
+		DialContext: (&net.Dialer{
+			Timeout:   _dialTimeout,
+			KeepAlive: 30 * time.Second,
+		}).DialContext,
+		MaxIdleConns:          10000,
+		MaxIdleConnsPerHost:   1000,
+		MaxConnsPerHost:       1000,
+		DisableCompression:    true,
+		IdleConnTimeout:       90 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+	}
+	_ = http2.ConfigureTransport(tr)
+	return &http.Client{
+		CheckRedirect: defaultCheckRedirect,
+		Transport:     tr,
+	}
+}
+
+// func getTLSClient() *http.Client {
+// 	return &http.Client{
+// 		CheckRedirect: defaultCheckRedirect,
+// 		Transport: &http.Transport{
+// 			Proxy: http.ProxyFromEnvironment,
+// 			// TLSClientConfig: ,
+// 			DialContext: (&net.Dialer{
+// 				Timeout:   _dialTimeout,
+// 				KeepAlive: 30 * time.Second,
+// 			}).DialContext,
+// 			MaxIdleConns:          10000,
+// 			MaxIdleConnsPerHost:   1000,
+// 			MaxConnsPerHost:       1000,
+// 			DisableCompression:    true,
+// 			IdleConnTimeout:       90 * time.Second,
+// 			TLSHandshakeTimeout:   10 * time.Second,
+// 			ExpectContinueTimeout: 1 * time.Second,
+// 		},
+// 	}
+// }
+
 func newNode(addr string, protocol config.Protocol, weight *int64, md map[string]string, version string, name string) *node {
 	node := &node{
 		protocol: protocol,
@@ -102,11 +147,11 @@ func newNode(addr string, protocol config.Protocol, weight *int64, md map[string
 		version:  version,
 		name:     name,
 	}
+	node.client = _globalClient
 	if protocol == config.Protocol_GRPC {
-		node.client = _globalH2Client
-	} else {
-		node.client = _globalClient
+		node.client = _globalH2CClient
 	}
+
 	return node
 }
 
diff --git a/go.mod b/go.mod
index 6c326371..369ee61c 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	go.uber.org/atomic v1.11.0
 	go.uber.org/automaxprocs v1.4.0
 	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
-	golang.org/x/net v0.1.0
+	golang.org/x/net v0.21.0
 	google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd
 	google.golang.org/protobuf v1.28.0
 	sigs.k8s.io/yaml v1.3.0
@@ -62,8 +62,8 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.4.1 // indirect
 	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
 	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29 // indirect
-	golang.org/x/sys v0.6.0 // indirect
-	golang.org/x/text v0.4.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/grpc v1.46.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
diff --git a/go.sum b/go.sum
index c3aa9a02..db4bb6df 100644
--- a/go.sum
+++ b/go.sum
@@ -462,8 +462,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.1.0 h1:hZ/3BUoy5aId7sCpA/Tc5lt8DkFgdVS2onTpJsZ/fl0=
-golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -540,8 +540,8 @@ golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -550,8 +550,8 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=

From edea061dbce57bdb319d081404e3432b7d26fd0a Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Mon, 19 Feb 2024 14:21:41 +0800
Subject: [PATCH 02/11] client side tls support

---
 api/gateway/config/v1/gateway.pb.go | 208 +++++++++++++++-------------
 api/gateway/config/v1/gateway.proto |   5 +-
 client/factory.go                   |  33 ++++-
 client/node.go                      |  90 ++++++++----
 proxy/proxy.go                      |   1 +
 5 files changed, 207 insertions(+), 130 deletions(-)

diff --git a/api/gateway/config/v1/gateway.pb.go b/api/gateway/config/v1/gateway.pb.go
index a2b422bd..2e7fe507 100644
--- a/api/gateway/config/v1/gateway.pb.go
+++ b/api/gateway/config/v1/gateway.pb.go
@@ -165,10 +165,10 @@ type TLS struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Verify bool   `protobuf:"varint,1,opt,name=verify,proto3" json:"verify,omitempty"`
-	Cacert string `protobuf:"bytes,2,opt,name=cacert,proto3" json:"cacert,omitempty"`
-	Cert   string `protobuf:"bytes,3,opt,name=cert,proto3" json:"cert,omitempty"`
-	Key    string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
+	Insecure bool   `protobuf:"varint,1,opt,name=insecure,proto3" json:"insecure,omitempty"`
+	Cacert   string `protobuf:"bytes,2,opt,name=cacert,proto3" json:"cacert,omitempty"`
+	Cert     string `protobuf:"bytes,3,opt,name=cert,proto3" json:"cert,omitempty"`
+	Key      string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
 }
 
 func (x *TLS) Reset() {
@@ -203,9 +203,9 @@ func (*TLS) Descriptor() ([]byte, []int) {
 	return file_gateway_config_v1_gateway_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *TLS) GetVerify() bool {
+func (x *TLS) GetInsecure() bool {
 	if x != nil {
-		return x.Verify
+		return x.Insecure
 	}
 	return false
 }
@@ -421,10 +421,11 @@ type Backend struct {
 	// localhost
 	// 127.0.0.1:8000
 	// discovery:///service_name
-	Target      string       `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
-	Weight      *int64       `protobuf:"varint,2,opt,name=weight,proto3,oneof" json:"weight,omitempty"`
-	HealthCheck *HealthCheck `protobuf:"bytes,3,opt,name=health_check,json=healthCheck,proto3" json:"health_check,omitempty"`
-	Tls         string       `protobuf:"bytes,4,opt,name=tls,proto3" json:"tls,omitempty"`
+	Target        string       `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
+	Weight        *int64       `protobuf:"varint,2,opt,name=weight,proto3,oneof" json:"weight,omitempty"`
+	HealthCheck   *HealthCheck `protobuf:"bytes,3,opt,name=health_check,json=healthCheck,proto3" json:"health_check,omitempty"`
+	Tls           bool         `protobuf:"varint,4,opt,name=tls,proto3" json:"tls,omitempty"`
+	TlsConfigName string       `protobuf:"bytes,5,opt,name=tls_config_name,json=tlsConfigName,proto3" json:"tls_config_name,omitempty"`
 }
 
 func (x *Backend) Reset() {
@@ -480,10 +481,17 @@ func (x *Backend) GetHealthCheck() *HealthCheck {
 	return nil
 }
 
-func (x *Backend) GetTls() string {
+func (x *Backend) GetTls() bool {
 	if x != nil {
 		return x.Tls
 	}
+	return false
+}
+
+func (x *Backend) GetTlsConfigName() string {
+	if x != nil {
+		return x.TlsConfigName
+	}
 	return ""
 }
 
@@ -768,95 +776,97 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
 	0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x2c, 0x0a, 0x05, 0x76, 0x61, 0x6c,
 	0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x61, 0x74, 0x65, 0x77,
 	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x4c, 0x53,
-	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x5b, 0x0a, 0x03, 0x54,
-	0x4c, 0x53, 0x12, 0x16, 0x0a, 0x06, 0x76, 0x65, 0x72, 0x69, 0x66, 0x79, 0x18, 0x01, 0x20, 0x01,
-	0x28, 0x08, 0x52, 0x06, 0x76, 0x65, 0x72, 0x69, 0x66, 0x79, 0x12, 0x16, 0x0a, 0x06, 0x63, 0x61,
-	0x63, 0x65, 0x72, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x63, 0x61, 0x63, 0x65,
-	0x72, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x63, 0x65, 0x72, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
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+	0x69, 0x65, 0x73, 0x22, 0xb8, 0x01, 0x0a, 0x09, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f,
+	0x6e, 0x12, 0x26, 0x0a, 0x0e, 0x62, 0x79, 0x5f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x5f, 0x63,
+	0x6f, 0x64, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x0c, 0x62, 0x79, 0x53,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x43, 0x6f, 0x64, 0x65, 0x12, 0x42, 0x0a, 0x09, 0x62, 0x79, 0x5f,
+	0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x23, 0x2e, 0x67,
+	0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x76, 0x31,
+	0x2e, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65,
+	0x72, 0x48, 0x00, 0x52, 0x08, 0x62, 0x79, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x1a, 0x32, 0x0a,
+	0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x76,
+	0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75,
+	0x65, 0x42, 0x0b, 0x0a, 0x09, 0x63, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2a, 0x2f,
+	0x0a, 0x08, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x12, 0x0f, 0x0a, 0x0b, 0x55, 0x4e,
+	0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04, 0x48,
+	0x54, 0x54, 0x50, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x47, 0x52, 0x50, 0x43, 0x10, 0x02, 0x42,
+	0x34, 0x5a, 0x32, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f,
+	0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2f,
+	0x61, 0x70, 0x69, 0x2f, 0x67, 0x61, 0x74, 0x65, 0x77, 0x61, 0x79, 0x2f, 0x63, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/api/gateway/config/v1/gateway.proto b/api/gateway/config/v1/gateway.proto
index 5a015afa..bd67ce71 100644
--- a/api/gateway/config/v1/gateway.proto
+++ b/api/gateway/config/v1/gateway.proto
@@ -17,7 +17,7 @@ message Gateway {
 }
 
 message TLS {
-    bool verify = 1;
+    bool insecure = 1;
     string cacert = 2;
     string cert = 3;
     string key = 4;
@@ -49,7 +49,8 @@ message Backend {
     string target = 1;
     optional int64 weight = 2;
     HealthCheck health_check = 3;
-    string tls = 4;
+    bool tls = 4;
+    string tls_config_name = 5;
 }
 
 enum Protocol {
diff --git a/client/factory.go b/client/factory.go
index bc4a7593..f45cb738 100644
--- a/client/factory.go
+++ b/client/factory.go
@@ -2,6 +2,8 @@ package client
 
 import (
 	"context"
+	"crypto/tls"
+	"crypto/x509"
 	"fmt"
 	"strconv"
 	"strings"
@@ -15,6 +17,8 @@ import (
 	"github.com/go-kratos/kratos/v2/selector/p2c"
 )
 
+var globalTLSClientConfigs = atomic.Pointer[map[string]*tls.Config]{}
+
 // Factory is returns service client.
 type Factory func(*config.Endpoint) (Client, error)
 
@@ -29,6 +33,31 @@ func WithPickerBuilder(in selector.Builder) Option {
 	}
 }
 
+func SetGlobalTLSClientConfigs(in map[string]*config.TLS) {
+	tlsConfigs := make(map[string]*tls.Config, len(in))
+	for k, v := range in {
+		cfg := &tls.Config{
+			InsecureSkipVerify: v.Insecure,
+		}
+		cert, err := tls.X509KeyPair([]byte(v.Cert), []byte(v.Key))
+		if err != nil {
+			LOG.Warnf("failed to load tls cert: %q: %v", k, err)
+			continue
+		}
+		cfg.Certificates = []tls.Certificate{cert}
+		if v.Cacert != "" {
+			roots := x509.NewCertPool()
+			if ok := roots.AppendCertsFromPEM([]byte(v.Cacert)); !ok {
+				LOG.Warnf("failed to load tls cacert: %q", k)
+				continue
+			}
+			cfg.RootCAs = roots
+		}
+		tlsConfigs[k] = cfg
+	}
+	globalTLSClientConfigs.Store(&tlsConfigs)
+}
+
 // NewFactory new a client factory.
 func NewFactory(r registry.Discovery, opts ...Option) Factory {
 	o := &options{
@@ -72,7 +101,7 @@ func (na *nodeApplier) apply(ctx context.Context) error {
 		switch target.Scheme {
 		case "direct":
 			weighted := backend.Weight // weight is only valid for direct scheme
-			node := newNode(backend.Target, na.endpoint.Protocol, weighted, map[string]string{}, "", "")
+			node := newNode(backend.Target, na.endpoint.Protocol, weighted, map[string]string{}, "", "", WithTLS(backend.Tls), WithTLSConfigName(backend.TlsConfigName))
 			nodes = append(nodes, node)
 			na.picker.Apply(nodes)
 		case "discovery":
@@ -116,7 +145,7 @@ func (na *nodeApplier) Callback(services []*registry.ServiceInstance) error {
 			log.Errorf("failed to parse endpoint: %v/%s: %v", ser.Endpoints, scheme, err)
 			continue
 		}
-		node := newNode(addr, na.endpoint.Protocol, nodeWeight(ser), ser.Metadata, ser.Version, ser.Name)
+		node := newNode(addr, na.endpoint.Protocol, nodeWeight(ser), ser.Metadata, ser.Version, ser.Name, WithTLS(false))
 		nodes = append(nodes, node)
 	}
 	na.picker.Apply(nodes)
diff --git a/client/node.go b/client/node.go
index fc9c66a5..5555805f 100644
--- a/client/node.go
+++ b/client/node.go
@@ -20,7 +20,8 @@ import (
 var _ selector.Node = &node{}
 var _globalClient = defaultClient()
 var _globalH2CClient = defaultH2CClient()
-var _globalHTTPSClient = defaultHTTPSClient()
+var _globalHTTPSClient = createHTTPSClient(nil)
+var httpsClientStore = NewHTTPSClientStore()
 var _dialTimeout = 200 * time.Millisecond
 var followRedirect = false
 
@@ -94,10 +95,10 @@ func defaultH2CClient() *http.Client {
 	}
 }
 
-func defaultHTTPSClient() *http.Client {
+func createHTTPSClient(tlsConfig *tls.Config) *http.Client {
 	tr := &http.Transport{
-		// TLSClientConfig: ,
-		Proxy: http.ProxyFromEnvironment,
+		TLSClientConfig: tlsConfig,
+		Proxy:           http.ProxyFromEnvironment,
 		DialContext: (&net.Dialer{
 			Timeout:   _dialTimeout,
 			KeepAlive: 30 * time.Second,
@@ -117,28 +118,54 @@ func defaultHTTPSClient() *http.Client {
 	}
 }
 
-// func getTLSClient() *http.Client {
-// 	return &http.Client{
-// 		CheckRedirect: defaultCheckRedirect,
-// 		Transport: &http.Transport{
-// 			Proxy: http.ProxyFromEnvironment,
-// 			// TLSClientConfig: ,
-// 			DialContext: (&net.Dialer{
-// 				Timeout:   _dialTimeout,
-// 				KeepAlive: 30 * time.Second,
-// 			}).DialContext,
-// 			MaxIdleConns:          10000,
-// 			MaxIdleConnsPerHost:   1000,
-// 			MaxConnsPerHost:       1000,
-// 			DisableCompression:    true,
-// 			IdleConnTimeout:       90 * time.Second,
-// 			TLSHandshakeTimeout:   10 * time.Second,
-// 			ExpectContinueTimeout: 1 * time.Second,
-// 		},
-// 	}
-// }
-
-func newNode(addr string, protocol config.Protocol, weight *int64, md map[string]string, version string, name string) *node {
+type HTTPSClientStore struct {
+	clients map[string]*http.Client
+}
+
+func NewHTTPSClientStore() *HTTPSClientStore {
+	return &HTTPSClientStore{
+		clients: make(map[string]*http.Client),
+	}
+}
+
+func (s *HTTPSClientStore) GetClient(name string) *http.Client {
+	if name == "" {
+		return _globalClient
+	}
+	client, ok := s.clients[name]
+	if ok {
+		return client
+	}
+	globalConfigs := *globalTLSClientConfigs.Load()
+	tlsConfig, ok := globalConfigs[name]
+	if !ok {
+		LOG.Warnf("tls config not found for %s, using default instead", name)
+		return _globalHTTPSClient
+	}
+	client = createHTTPSClient(tlsConfig)
+	s.clients[name] = client
+	return client
+}
+
+type NodeOptions struct {
+	TLS           bool
+	TLSConfigName string
+}
+type NewNodeOption func(*NodeOptions)
+
+func WithTLS(in bool) NewNodeOption {
+	return func(o *NodeOptions) {
+		o.TLS = in
+	}
+}
+
+func WithTLSConfigName(in string) NewNodeOption {
+	return func(o *NodeOptions) {
+		o.TLSConfigName = in
+	}
+}
+
+func newNode(addr string, protocol config.Protocol, weight *int64, md map[string]string, version string, name string, opts ...NewNodeOption) *node {
 	node := &node{
 		protocol: protocol,
 		address:  addr,
@@ -151,7 +178,16 @@ func newNode(addr string, protocol config.Protocol, weight *int64, md map[string
 	if protocol == config.Protocol_GRPC {
 		node.client = _globalH2CClient
 	}
-
+	opt := &NodeOptions{}
+	for _, o := range opts {
+		o(opt)
+	}
+	if opt.TLS {
+		node.client = _globalHTTPSClient
+		if opt.TLSConfigName != "" {
+			node.client = httpsClientStore.GetClient(opt.TLSConfigName)
+		}
+	}
 	return node
 }
 
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 768d80d5..0d066f46 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -385,6 +385,7 @@ func closeOnError(closer io.Closer, err *error) {
 
 // Update updates service endpoint.
 func (p *Proxy) Update(c *config.Gateway) (retError error) {
+	client.SetGlobalTLSClientConfigs(c.TlsStore)
 	router := mux.NewRouter(http.HandlerFunc(notFoundHandler), http.HandlerFunc(methodNotAllowedHandler))
 	for _, e := range c.Endpoints {
 		handler, closer, err := p.buildEndpoint(e, c.Middlewares)

From 49a5763231b0e5758a0cfb6684f6b56945d5412b Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Mon, 19 Feb 2024 14:39:38 +0800
Subject: [PATCH 03/11] builder context

---
 client/factory.go                           | 39 +++++++++++++--------
 client/node.go                              | 16 ++++-----
 middleware/circuitbreaker/circuitbreaker.go | 10 +++---
 proxy/proxy.go                              |  8 ++---
 4 files changed, 42 insertions(+), 31 deletions(-)

diff --git a/client/factory.go b/client/factory.go
index f45cb738..5cc51ac0 100644
--- a/client/factory.go
+++ b/client/factory.go
@@ -17,10 +17,13 @@ import (
 	"github.com/go-kratos/kratos/v2/selector/p2c"
 )
 
-var globalTLSClientConfigs = atomic.Pointer[map[string]*tls.Config]{}
+type BuildContext struct {
+	TLSConfigs     map[string]*tls.Config
+	TLSClientStore *HTTPSClientStore
+}
 
 // Factory is returns service client.
-type Factory func(*config.Endpoint) (Client, error)
+type Factory func(*BuildContext, *config.Endpoint) (Client, error)
 
 type Option func(*options)
 type options struct {
@@ -33,9 +36,13 @@ func WithPickerBuilder(in selector.Builder) Option {
 	}
 }
 
-func SetGlobalTLSClientConfigs(in map[string]*config.TLS) {
-	tlsConfigs := make(map[string]*tls.Config, len(in))
-	for k, v := range in {
+func EmptyBuildContext() *BuildContext {
+	return &BuildContext{}
+}
+
+func NewBuildContext(cfg *config.Gateway) *BuildContext {
+	tlsConfigs := make(map[string]*tls.Config, len(cfg.TlsStore))
+	for k, v := range cfg.TlsStore {
 		cfg := &tls.Config{
 			InsecureSkipVerify: v.Insecure,
 		}
@@ -55,7 +62,10 @@ func SetGlobalTLSClientConfigs(in map[string]*config.TLS) {
 		}
 		tlsConfigs[k] = cfg
 	}
-	globalTLSClientConfigs.Store(&tlsConfigs)
+	return &BuildContext{
+		TLSConfigs:     tlsConfigs,
+		TLSClientStore: NewHTTPSClientStore(tlsConfigs),
+	}
 }
 
 // NewFactory new a client factory.
@@ -66,7 +76,7 @@ func NewFactory(r registry.Discovery, opts ...Option) Factory {
 	for _, opt := range opts {
 		opt(o)
 	}
-	return func(endpoint *config.Endpoint) (Client, error) {
+	return func(builderCtx *BuildContext, endpoint *config.Endpoint) (Client, error) {
 		picker := o.pickerBuilder.Build()
 		ctx, cancel := context.WithCancel(context.Background())
 		applier := &nodeApplier{
@@ -84,11 +94,12 @@ func NewFactory(r registry.Discovery, opts ...Option) Factory {
 }
 
 type nodeApplier struct {
-	canceled int64
-	cancel   context.CancelFunc
-	endpoint *config.Endpoint
-	registry registry.Discovery
-	picker   selector.Selector
+	canceled     int64
+	buildContext *BuildContext
+	cancel       context.CancelFunc
+	endpoint     *config.Endpoint
+	registry     registry.Discovery
+	picker       selector.Selector
 }
 
 func (na *nodeApplier) apply(ctx context.Context) error {
@@ -101,7 +112,7 @@ func (na *nodeApplier) apply(ctx context.Context) error {
 		switch target.Scheme {
 		case "direct":
 			weighted := backend.Weight // weight is only valid for direct scheme
-			node := newNode(backend.Target, na.endpoint.Protocol, weighted, map[string]string{}, "", "", WithTLS(backend.Tls), WithTLSConfigName(backend.TlsConfigName))
+			node := newNode(na.buildContext, backend.Target, na.endpoint.Protocol, weighted, map[string]string{}, "", "", WithTLS(backend.Tls), WithTLSConfigName(backend.TlsConfigName))
 			nodes = append(nodes, node)
 			na.picker.Apply(nodes)
 		case "discovery":
@@ -145,7 +156,7 @@ func (na *nodeApplier) Callback(services []*registry.ServiceInstance) error {
 			log.Errorf("failed to parse endpoint: %v/%s: %v", ser.Endpoints, scheme, err)
 			continue
 		}
-		node := newNode(addr, na.endpoint.Protocol, nodeWeight(ser), ser.Metadata, ser.Version, ser.Name, WithTLS(false))
+		node := newNode(na.buildContext, addr, na.endpoint.Protocol, nodeWeight(ser), ser.Metadata, ser.Version, ser.Name, WithTLS(false))
 		nodes = append(nodes, node)
 	}
 	na.picker.Apply(nodes)
diff --git a/client/node.go b/client/node.go
index 5555805f..e51b16ff 100644
--- a/client/node.go
+++ b/client/node.go
@@ -21,7 +21,6 @@ var _ selector.Node = &node{}
 var _globalClient = defaultClient()
 var _globalH2CClient = defaultH2CClient()
 var _globalHTTPSClient = createHTTPSClient(nil)
-var httpsClientStore = NewHTTPSClientStore()
 var _dialTimeout = 200 * time.Millisecond
 var followRedirect = false
 
@@ -119,12 +118,14 @@ func createHTTPSClient(tlsConfig *tls.Config) *http.Client {
 }
 
 type HTTPSClientStore struct {
-	clients map[string]*http.Client
+	clientConfigs map[string]*tls.Config
+	clients       map[string]*http.Client
 }
 
-func NewHTTPSClientStore() *HTTPSClientStore {
+func NewHTTPSClientStore(clientConfigs map[string]*tls.Config) *HTTPSClientStore {
 	return &HTTPSClientStore{
-		clients: make(map[string]*http.Client),
+		clientConfigs: clientConfigs,
+		clients:       make(map[string]*http.Client),
 	}
 }
 
@@ -136,8 +137,7 @@ func (s *HTTPSClientStore) GetClient(name string) *http.Client {
 	if ok {
 		return client
 	}
-	globalConfigs := *globalTLSClientConfigs.Load()
-	tlsConfig, ok := globalConfigs[name]
+	tlsConfig, ok := s.clientConfigs[name]
 	if !ok {
 		LOG.Warnf("tls config not found for %s, using default instead", name)
 		return _globalHTTPSClient
@@ -165,7 +165,7 @@ func WithTLSConfigName(in string) NewNodeOption {
 	}
 }
 
-func newNode(addr string, protocol config.Protocol, weight *int64, md map[string]string, version string, name string, opts ...NewNodeOption) *node {
+func newNode(ctx *BuildContext, addr string, protocol config.Protocol, weight *int64, md map[string]string, version string, name string, opts ...NewNodeOption) *node {
 	node := &node{
 		protocol: protocol,
 		address:  addr,
@@ -185,7 +185,7 @@ func newNode(addr string, protocol config.Protocol, weight *int64, md map[string
 	if opt.TLS {
 		node.client = _globalHTTPSClient
 		if opt.TLSConfigName != "" {
-			node.client = httpsClientStore.GetClient(opt.TLSConfigName)
+			node.client = ctx.TLSClientStore.GetClient(opt.TLSConfigName)
 		}
 	}
 	return node
diff --git a/middleware/circuitbreaker/circuitbreaker.go b/middleware/circuitbreaker/circuitbreaker.go
index 1789a6cf..6d61c629 100644
--- a/middleware/circuitbreaker/circuitbreaker.go
+++ b/middleware/circuitbreaker/circuitbreaker.go
@@ -22,7 +22,7 @@ import (
 )
 
 func Init(clientFactory client.Factory) {
-	breakerFactory := New(clientFactory)
+	breakerFactory := New(client.EmptyBuildContext(), clientFactory)
 	middleware.RegisterV2("circuitbreaker", breakerFactory)
 	prometheus.MustRegister(_metricDeniedTotal)
 }
@@ -91,11 +91,11 @@ func makeBreakerTrigger(in *v1.CircuitBreaker) circuitbreaker.CircuitBreaker {
 	}
 }
 
-func makeOnBreakHandler(in *v1.CircuitBreaker, factory client.Factory) (http.RoundTripper, io.Closer, error) {
+func makeOnBreakHandler(buildContext *client.BuildContext, in *v1.CircuitBreaker, factory client.Factory) (http.RoundTripper, io.Closer, error) {
 	switch action := in.Action.(type) {
 	case *v1.CircuitBreaker_BackupService:
 		log.Infof("Making backup service as on break handler: %+v", action)
-		client, err := factory(action.BackupService.Endpoint)
+		client, err := factory(buildContext, action.BackupService.Endpoint)
 		if err != nil {
 			return nil, nil, err
 		}
@@ -138,7 +138,7 @@ func deniedRequestIncr(req *http.Request) {
 	}
 }
 
-func New(factory client.Factory) middleware.FactoryV2 {
+func New(buildContext *client.BuildContext, factory client.Factory) middleware.FactoryV2 {
 	return func(c *config.Middleware) (middleware.MiddlewareV2, error) {
 		options := &v1.CircuitBreaker{}
 		if c.Options != nil {
@@ -147,7 +147,7 @@ func New(factory client.Factory) middleware.FactoryV2 {
 			}
 		}
 		breaker := makeBreakerTrigger(options)
-		onBreakHandler, closer, err := makeOnBreakHandler(options, factory)
+		onBreakHandler, closer, err := makeOnBreakHandler(buildContext, options, factory)
 		if err != nil {
 			return nil, err
 		}
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 0d066f46..f94c24ae 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -212,8 +212,8 @@ func splitRetryMetricsHandler(e *config.Endpoint) (func(int), func(int, error))
 	return success, failed
 }
 
-func (p *Proxy) buildEndpoint(e *config.Endpoint, ms []*config.Middleware) (_ http.Handler, _ io.Closer, retError error) {
-	client, err := p.clientFactory(e)
+func (p *Proxy) buildEndpoint(buildCtx *client.BuildContext, e *config.Endpoint, ms []*config.Middleware) (_ http.Handler, _ io.Closer, retError error) {
+	client, err := p.clientFactory(buildCtx, e)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -385,10 +385,10 @@ func closeOnError(closer io.Closer, err *error) {
 
 // Update updates service endpoint.
 func (p *Proxy) Update(c *config.Gateway) (retError error) {
-	client.SetGlobalTLSClientConfigs(c.TlsStore)
+	buildContext := client.NewBuildContext(c)
 	router := mux.NewRouter(http.HandlerFunc(notFoundHandler), http.HandlerFunc(methodNotAllowedHandler))
 	for _, e := range c.Endpoints {
-		handler, closer, err := p.buildEndpoint(e, c.Middlewares)
+		handler, closer, err := p.buildEndpoint(buildContext, e, c.Middlewares)
 		if err != nil {
 			return err
 		}

From 1902b2a68b08bb9e7f90d4d550e72da31b3847d0 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Mon, 19 Feb 2024 16:42:12 +0800
Subject: [PATCH 04/11] node tls tag

---
 client/client.go  | 6 +++++-
 client/factory.go | 9 +++++----
 client/node.go    | 2 ++
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/client/client.go b/client/client.go
index 572588f1..5f7fbe50 100644
--- a/client/client.go
+++ b/client/client.go
@@ -43,11 +43,15 @@ func (c *client) RoundTrip(req *http.Request) (resp *http.Response, err error) {
 
 	addr := n.Address()
 	reqOpt.Backends = append(reqOpt.Backends, addr)
+	backendNode := n.(*node)
 	req.URL.Host = addr
 	req.URL.Scheme = "http"
+	if backendNode.tls {
+		req.URL.Scheme = "https"
+	}
 	req.RequestURI = ""
 	startAt := time.Now()
-	resp, err = n.(*node).client.Do(req)
+	resp, err = backendNode.client.Do(req)
 	reqOpt.UpstreamResponseTime = append(reqOpt.UpstreamResponseTime, time.Since(startAt).Seconds())
 	if err != nil {
 		done(ctx, selector.DoneInfo{Err: err})
diff --git a/client/factory.go b/client/factory.go
index 5cc51ac0..609994bd 100644
--- a/client/factory.go
+++ b/client/factory.go
@@ -80,10 +80,11 @@ func NewFactory(r registry.Discovery, opts ...Option) Factory {
 		picker := o.pickerBuilder.Build()
 		ctx, cancel := context.WithCancel(context.Background())
 		applier := &nodeApplier{
-			cancel:   cancel,
-			endpoint: endpoint,
-			registry: r,
-			picker:   picker,
+			cancel:       cancel,
+			endpoint:     endpoint,
+			registry:     r,
+			picker:       picker,
+			buildContext: builderCtx,
 		}
 		if err := applier.apply(ctx); err != nil {
 			return nil, err
diff --git a/client/node.go b/client/node.go
index e51b16ff..2e658ead 100644
--- a/client/node.go
+++ b/client/node.go
@@ -183,6 +183,7 @@ func newNode(ctx *BuildContext, addr string, protocol config.Protocol, weight *i
 		o(opt)
 	}
 	if opt.TLS {
+		node.tls = true
 		node.client = _globalHTTPSClient
 		if opt.TLSConfigName != "" {
 			node.client = ctx.TLSClientStore.GetClient(opt.TLSConfigName)
@@ -200,6 +201,7 @@ type node struct {
 
 	client   *http.Client
 	protocol config.Protocol
+	tls      bool
 }
 
 func (n *node) Scheme() string {

From efe1d17e7fcd0b9d74430765f44f02af346749ac Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Mon, 19 Feb 2024 17:20:27 +0800
Subject: [PATCH 05/11] backend metadata

---
 api/gateway/config/v1/gateway.pb.go | 132 ++++++++++++++++------------
 api/gateway/config/v1/gateway.proto |   1 +
 client/factory.go                   |   2 +-
 3 files changed, 77 insertions(+), 58 deletions(-)

diff --git a/api/gateway/config/v1/gateway.pb.go b/api/gateway/config/v1/gateway.pb.go
index 2e7fe507..9d2e0580 100644
--- a/api/gateway/config/v1/gateway.pb.go
+++ b/api/gateway/config/v1/gateway.pb.go
@@ -421,11 +421,12 @@ type Backend struct {
 	// localhost
 	// 127.0.0.1:8000
 	// discovery:///service_name
-	Target        string       `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
-	Weight        *int64       `protobuf:"varint,2,opt,name=weight,proto3,oneof" json:"weight,omitempty"`
-	HealthCheck   *HealthCheck `protobuf:"bytes,3,opt,name=health_check,json=healthCheck,proto3" json:"health_check,omitempty"`
-	Tls           bool         `protobuf:"varint,4,opt,name=tls,proto3" json:"tls,omitempty"`
-	TlsConfigName string       `protobuf:"bytes,5,opt,name=tls_config_name,json=tlsConfigName,proto3" json:"tls_config_name,omitempty"`
+	Target        string            `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
+	Weight        *int64            `protobuf:"varint,2,opt,name=weight,proto3,oneof" json:"weight,omitempty"`
+	HealthCheck   *HealthCheck      `protobuf:"bytes,3,opt,name=health_check,json=healthCheck,proto3" json:"health_check,omitempty"`
+	Tls           bool              `protobuf:"varint,4,opt,name=tls,proto3" json:"tls,omitempty"`
+	TlsConfigName string            `protobuf:"bytes,5,opt,name=tls_config_name,json=tlsConfigName,proto3" json:"tls_config_name,omitempty"`
+	Metadata      map[string]string `protobuf:"bytes,6,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *Backend) Reset() {
@@ -495,6 +496,13 @@ func (x *Backend) GetTlsConfigName() string {
 	return ""
 }
 
+func (x *Backend) GetMetadata() map[string]string {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
 type HealthCheck struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -701,7 +709,7 @@ type ConditionHeader struct {
 func (x *ConditionHeader) Reset() {
 	*x = ConditionHeader{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gateway_config_v1_gateway_proto_msgTypes[10]
+		mi := &file_gateway_config_v1_gateway_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -714,7 +722,7 @@ func (x *ConditionHeader) String() string {
 func (*ConditionHeader) ProtoMessage() {}
 
 func (x *ConditionHeader) ProtoReflect() protoreflect.Message {
-	mi := &file_gateway_config_v1_gateway_proto_msgTypes[10]
+	mi := &file_gateway_config_v1_gateway_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -822,7 +830,7 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
 	0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x41, 0x6e, 0x79, 0x52,
 	0x07, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x1a, 0x0a, 0x08, 0x72, 0x65, 0x71, 0x75,
 	0x69, 0x72, 0x65, 0x64, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x72, 0x65, 0x71, 0x75,
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 	0x12, 0x16, 0x0a, 0x06, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
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@@ -834,39 +842,47 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
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 }
 
 var (
@@ -882,7 +898,7 @@ func file_gateway_config_v1_gateway_proto_rawDescGZIP() []byte {
 }
 
 var file_gateway_config_v1_gateway_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_gateway_config_v1_gateway_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_gateway_config_v1_gateway_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_gateway_config_v1_gateway_proto_goTypes = []interface{}{
 	(Protocol)(0),               // 0: gateway.config.v1.Protocol
 	(*Gateway)(nil),             // 1: gateway.config.v1.Gateway
@@ -895,31 +911,33 @@ var file_gateway_config_v1_gateway_proto_goTypes = []interface{}{
 	(*Condition)(nil),           // 8: gateway.config.v1.Condition
 	nil,                         // 9: gateway.config.v1.Gateway.TlsStoreEntry
 	nil,                         // 10: gateway.config.v1.Endpoint.MetadataEntry
-	(*ConditionHeader)(nil),     // 11: gateway.config.v1.Condition.header
-	(*durationpb.Duration)(nil), // 12: google.protobuf.Duration
-	(*anypb.Any)(nil),           // 13: google.protobuf.Any
+	nil,                         // 11: gateway.config.v1.Backend.MetadataEntry
+	(*ConditionHeader)(nil),     // 12: gateway.config.v1.Condition.header
+	(*durationpb.Duration)(nil), // 13: google.protobuf.Duration
+	(*anypb.Any)(nil),           // 14: google.protobuf.Any
 }
 var file_gateway_config_v1_gateway_proto_depIdxs = []int32{
 	3,  // 0: gateway.config.v1.Gateway.endpoints:type_name -> gateway.config.v1.Endpoint
 	4,  // 1: gateway.config.v1.Gateway.middlewares:type_name -> gateway.config.v1.Middleware
 	9,  // 2: gateway.config.v1.Gateway.tls_store:type_name -> gateway.config.v1.Gateway.TlsStoreEntry
 	0,  // 3: gateway.config.v1.Endpoint.protocol:type_name -> gateway.config.v1.Protocol
-	12, // 4: gateway.config.v1.Endpoint.timeout:type_name -> google.protobuf.Duration
+	13, // 4: gateway.config.v1.Endpoint.timeout:type_name -> google.protobuf.Duration
 	4,  // 5: gateway.config.v1.Endpoint.middlewares:type_name -> gateway.config.v1.Middleware
 	5,  // 6: gateway.config.v1.Endpoint.backends:type_name -> gateway.config.v1.Backend
 	7,  // 7: gateway.config.v1.Endpoint.retry:type_name -> gateway.config.v1.Retry
 	10, // 8: gateway.config.v1.Endpoint.metadata:type_name -> gateway.config.v1.Endpoint.MetadataEntry
-	13, // 9: gateway.config.v1.Middleware.options:type_name -> google.protobuf.Any
+	14, // 9: gateway.config.v1.Middleware.options:type_name -> google.protobuf.Any
 	6,  // 10: gateway.config.v1.Backend.health_check:type_name -> gateway.config.v1.HealthCheck
-	12, // 11: gateway.config.v1.Retry.per_try_timeout:type_name -> google.protobuf.Duration
-	8,  // 12: gateway.config.v1.Retry.conditions:type_name -> gateway.config.v1.Condition
-	11, // 13: gateway.config.v1.Condition.by_header:type_name -> gateway.config.v1.Condition.header
-	2,  // 14: gateway.config.v1.Gateway.TlsStoreEntry.value:type_name -> gateway.config.v1.TLS
-	15, // [15:15] is the sub-list for method output_type
-	15, // [15:15] is the sub-list for method input_type
-	15, // [15:15] is the sub-list for extension type_name
-	15, // [15:15] is the sub-list for extension extendee
-	0,  // [0:15] is the sub-list for field type_name
+	11, // 11: gateway.config.v1.Backend.metadata:type_name -> gateway.config.v1.Backend.MetadataEntry
+	13, // 12: gateway.config.v1.Retry.per_try_timeout:type_name -> google.protobuf.Duration
+	8,  // 13: gateway.config.v1.Retry.conditions:type_name -> gateway.config.v1.Condition
+	12, // 14: gateway.config.v1.Condition.by_header:type_name -> gateway.config.v1.Condition.header
+	2,  // 15: gateway.config.v1.Gateway.TlsStoreEntry.value:type_name -> gateway.config.v1.TLS
+	16, // [16:16] is the sub-list for method output_type
+	16, // [16:16] is the sub-list for method input_type
+	16, // [16:16] is the sub-list for extension type_name
+	16, // [16:16] is the sub-list for extension extendee
+	0,  // [0:16] is the sub-list for field type_name
 }
 
 func init() { file_gateway_config_v1_gateway_proto_init() }
@@ -1024,7 +1042,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 				return nil
 			}
 		}
-		file_gateway_config_v1_gateway_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+		file_gateway_config_v1_gateway_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ConditionHeader); i {
 			case 0:
 				return &v.state
@@ -1048,7 +1066,7 @@ func file_gateway_config_v1_gateway_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_gateway_config_v1_gateway_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   11,
+			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/api/gateway/config/v1/gateway.proto b/api/gateway/config/v1/gateway.proto
index bd67ce71..51fbbbe1 100644
--- a/api/gateway/config/v1/gateway.proto
+++ b/api/gateway/config/v1/gateway.proto
@@ -51,6 +51,7 @@ message Backend {
     HealthCheck health_check = 3;
     bool tls = 4;
     string tls_config_name = 5;
+    map<string, string> metadata = 6;
 }
 
 enum Protocol {
diff --git a/client/factory.go b/client/factory.go
index 609994bd..6823bda7 100644
--- a/client/factory.go
+++ b/client/factory.go
@@ -113,7 +113,7 @@ func (na *nodeApplier) apply(ctx context.Context) error {
 		switch target.Scheme {
 		case "direct":
 			weighted := backend.Weight // weight is only valid for direct scheme
-			node := newNode(na.buildContext, backend.Target, na.endpoint.Protocol, weighted, map[string]string{}, "", "", WithTLS(backend.Tls), WithTLSConfigName(backend.TlsConfigName))
+			node := newNode(na.buildContext, backend.Target, na.endpoint.Protocol, weighted, backend.Metadata, "", "", WithTLS(backend.Tls), WithTLSConfigName(backend.TlsConfigName))
 			nodes = append(nodes, node)
 			na.picker.Apply(nodes)
 		case "discovery":

From 8d78c8866f37c5ce5a984842e7c107b718443373 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Wed, 6 Mar 2024 11:25:01 +0800
Subject: [PATCH 06/11] test build

---
 proxy/proxy_test.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/proxy/proxy_test.go b/proxy/proxy_test.go
index a9e451d3..1b32e12d 100644
--- a/proxy/proxy_test.go
+++ b/proxy/proxy_test.go
@@ -78,7 +78,7 @@ func TestProxy(t *testing.T) {
 		},
 	}
 	retryable := false
-	clientFactory := func(*config.Endpoint) (client.Client, error) {
+	clientFactory := func(*client.BuildContext, *config.Endpoint) (client.Client, error) {
 		dummyClient := RoundTripperCloserFunc(func(req *http.Request) (*http.Response, error) {
 			if retryable {
 				retryable = false
@@ -164,7 +164,7 @@ func TestRetryBreaker(t *testing.T) {
 
 	responseSuccess := false
 	retryToSuccess := false
-	clientFactory := func(*config.Endpoint) (client.Client, error) {
+	clientFactory := func(*client.BuildContext, *config.Endpoint) (client.Client, error) {
 		dummyClient := RoundTripperCloserFunc(func(req *http.Request) (resp *http.Response, _ error) {
 			opt, _ := middleware.FromRequestContext(req.Context())
 			defer func() {

From 6eefebd86539d53abdaaea2bfa066443bec1e7fa Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Wed, 6 Mar 2024 11:27:33 +0800
Subject: [PATCH 07/11] remove test

---
 client/client_test.go | 15 ---------------
 1 file changed, 15 deletions(-)
 delete mode 100644 client/client_test.go

diff --git a/client/client_test.go b/client/client_test.go
deleted file mode 100644
index 9ba219a4..00000000
--- a/client/client_test.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package client
-
-import (
-	"fmt"
-	"testing"
-)
-
-func TestRequestHTTPS(t *testing.T) {
-	resp, err := _globalHTTPSClient.Get("https://www.bilibili.com")
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-	fmt.Println("RESP", resp.Proto, resp.Status, resp.StatusCode)
-}

From 25dfd7fa780f5bc6942129fb1d6ddf8149ec5cf5 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Fri, 15 Mar 2024 16:21:12 +0800
Subject: [PATCH 08/11] enhance build context

---
 cmd/gateway/main.go                         |  9 ++++++---
 middleware/circuitbreaker/circuitbreaker.go | 22 ++++++++++++++++-----
 proxy/proxy.go                              |  3 +--
 proxy/proxy_test.go                         |  6 ++++--
 4 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/cmd/gateway/main.go b/cmd/gateway/main.go
index 617af77b..0d4db87b 100644
--- a/cmd/gateway/main.go
+++ b/cmd/gateway/main.go
@@ -97,7 +97,6 @@ func main() {
 	if err != nil {
 		log.Fatalf("failed to new proxy: %v", err)
 	}
-	circuitbreaker.Init(clientFactory)
 
 	ctx := context.Background()
 	var ctrlLoader *configLoader.CtrlConfigLoader
@@ -123,7 +122,9 @@ func main() {
 		log.Fatalf("failed to load config: %v", err)
 	}
 
-	if err := p.Update(bc); err != nil {
+	buildContext := client.NewBuildContext(bc)
+	circuitbreaker.Init(buildContext, clientFactory)
+	if err := p.Update(buildContext, bc); err != nil {
 		log.Fatalf("failed to update service config: %v", err)
 	}
 	reloader := func() error {
@@ -132,7 +133,9 @@ func main() {
 			log.Errorf("failed to load config: %v", err)
 			return err
 		}
-		if err := p.Update(bc); err != nil {
+		buildContext := client.NewBuildContext(bc)
+		circuitbreaker.SetBuildContext(buildContext)
+		if err := p.Update(buildContext, bc); err != nil {
 			log.Errorf("failed to update service config: %v", err)
 			return err
 		}
diff --git a/middleware/circuitbreaker/circuitbreaker.go b/middleware/circuitbreaker/circuitbreaker.go
index 6d61c629..bdf459f9 100644
--- a/middleware/circuitbreaker/circuitbreaker.go
+++ b/middleware/circuitbreaker/circuitbreaker.go
@@ -5,6 +5,7 @@ import (
 	"io"
 	"net/http"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/go-kratos/aegis/circuitbreaker"
@@ -21,12 +22,23 @@ import (
 	"google.golang.org/protobuf/types/known/anypb"
 )
 
-func Init(clientFactory client.Factory) {
-	breakerFactory := New(client.EmptyBuildContext(), clientFactory)
-	middleware.RegisterV2("circuitbreaker", breakerFactory)
+var clientBuildContext atomic.Pointer[client.BuildContext]
+
+func init() {
+	clientBuildContext.Store(client.EmptyBuildContext())
 	prometheus.MustRegister(_metricDeniedTotal)
 }
 
+func Init(buildContext *client.BuildContext, clientFactory client.Factory) {
+	SetBuildContext(buildContext)
+	breakerFactory := New(clientFactory)
+	middleware.RegisterV2("circuitbreaker", breakerFactory)
+}
+
+func SetBuildContext(buildContext *client.BuildContext) {
+	clientBuildContext.Store(buildContext)
+}
+
 var (
 	_metricDeniedTotal = prometheus.NewCounterVec(prometheus.CounterOpts{
 		Namespace: "go",
@@ -138,7 +150,7 @@ func deniedRequestIncr(req *http.Request) {
 	}
 }
 
-func New(buildContext *client.BuildContext, factory client.Factory) middleware.FactoryV2 {
+func New(factory client.Factory) middleware.FactoryV2 {
 	return func(c *config.Middleware) (middleware.MiddlewareV2, error) {
 		options := &v1.CircuitBreaker{}
 		if c.Options != nil {
@@ -147,7 +159,7 @@ func New(buildContext *client.BuildContext, factory client.Factory) middleware.F
 			}
 		}
 		breaker := makeBreakerTrigger(options)
-		onBreakHandler, closer, err := makeOnBreakHandler(buildContext, options, factory)
+		onBreakHandler, closer, err := makeOnBreakHandler(clientBuildContext.Load(), options, factory)
 		if err != nil {
 			return nil, err
 		}
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 62c6aef5..057591ae 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -384,8 +384,7 @@ func closeOnError(closer io.Closer, err *error) {
 }
 
 // Update updates service endpoint.
-func (p *Proxy) Update(c *config.Gateway) (retError error) {
-	buildContext := client.NewBuildContext(c)
+func (p *Proxy) Update(buildContext *client.BuildContext, c *config.Gateway) (retError error) {
 	router := mux.NewRouter(http.HandlerFunc(notFoundHandler), http.HandlerFunc(methodNotAllowedHandler))
 	for _, e := range c.Endpoints {
 		handler, closer, err := p.buildEndpoint(buildContext, e, c.Middlewares)
diff --git a/proxy/proxy_test.go b/proxy/proxy_test.go
index 1b32e12d..2cd15579 100644
--- a/proxy/proxy_test.go
+++ b/proxy/proxy_test.go
@@ -96,7 +96,8 @@ func TestProxy(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	p.Update(c)
+	buildContext := client.NewBuildContext(c)
+	p.Update(buildContext, c)
 	{
 		b := []byte("notfound")
 		r := httptest.NewRequest("GET", "/notfound", bytes.NewBuffer(b))
@@ -190,7 +191,8 @@ func TestRetryBreaker(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	p.Update(c)
+	buildContext := client.NewBuildContext(c)
+	p.Update(buildContext, c)
 
 	t.Run("retry-breaker", func(t *testing.T) {
 		var lastResponse *responseWriter

From 18ef199bf50cdcfb2628ab03f3bd6e6e23d0844b Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Wed, 20 Mar 2024 19:07:10 +0800
Subject: [PATCH 09/11] expose server_name

---
 api/gateway/config/v1/gateway.pb.go | 232 +++++++++++++++-------------
 api/gateway/config/v1/gateway.proto |   1 +
 client/factory.go                   |   1 +
 3 files changed, 123 insertions(+), 111 deletions(-)

diff --git a/api/gateway/config/v1/gateway.pb.go b/api/gateway/config/v1/gateway.pb.go
index 5c24e95a..dcae948a 100644
--- a/api/gateway/config/v1/gateway.pb.go
+++ b/api/gateway/config/v1/gateway.pb.go
@@ -165,10 +165,11 @@ type TLS struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Insecure bool   `protobuf:"varint,1,opt,name=insecure,proto3" json:"insecure,omitempty"`
-	Cacert   string `protobuf:"bytes,2,opt,name=cacert,proto3" json:"cacert,omitempty"`
-	Cert     string `protobuf:"bytes,3,opt,name=cert,proto3" json:"cert,omitempty"`
-	Key      string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
+	Insecure   bool   `protobuf:"varint,1,opt,name=insecure,proto3" json:"insecure,omitempty"`
+	Cacert     string `protobuf:"bytes,2,opt,name=cacert,proto3" json:"cacert,omitempty"`
+	Cert       string `protobuf:"bytes,3,opt,name=cert,proto3" json:"cert,omitempty"`
+	Key        string `protobuf:"bytes,4,opt,name=key,proto3" json:"key,omitempty"`
+	ServerName string `protobuf:"bytes,5,opt,name=server_name,json=serverName,proto3" json:"server_name,omitempty"`
 }
 
 func (x *TLS) Reset() {
@@ -231,6 +232,13 @@ func (x *TLS) GetKey() string {
 	return ""
 }
 
+func (x *TLS) GetServerName() string {
+	if x != nil {
+		return x.ServerName
+	}
+	return ""
+}
+
 type PriorityConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -847,113 +855,115 @@ var file_gateway_config_v1_gateway_proto_rawDesc = []byte{
 	0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x2c, 0x0a, 0x05, 0x76, 0x61, 0x6c,
 	0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x61, 0x74, 0x65, 0x77,
 	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x4c, 0x53,
-	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x5f, 0x0a, 0x03, 0x54,
-	0x4c, 0x53, 0x12, 0x1a, 0x0a, 0x08, 0x69, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x65, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x69, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x65, 0x12, 0x16,
-	0x0a, 0x06, 0x63, 0x61, 0x63, 0x65, 0x72, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06,
-	0x63, 0x61, 0x63, 0x65, 0x72, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x63, 0x65, 0x72, 0x74, 0x18, 0x03,
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 }
 
 var (
diff --git a/api/gateway/config/v1/gateway.proto b/api/gateway/config/v1/gateway.proto
index 475de3d2..13abe694 100644
--- a/api/gateway/config/v1/gateway.proto
+++ b/api/gateway/config/v1/gateway.proto
@@ -21,6 +21,7 @@ message TLS {
     string cacert = 2;
     string cert = 3;
     string key = 4;
+    string server_name = 5;
 }
 
 message PriorityConfig {
diff --git a/client/factory.go b/client/factory.go
index 6823bda7..791ba214 100644
--- a/client/factory.go
+++ b/client/factory.go
@@ -45,6 +45,7 @@ func NewBuildContext(cfg *config.Gateway) *BuildContext {
 	for k, v := range cfg.TlsStore {
 		cfg := &tls.Config{
 			InsecureSkipVerify: v.Insecure,
+			ServerName:         v.ServerName,
 		}
 		cert, err := tls.X509KeyPair([]byte(v.Cert), []byte(v.Key))
 		if err != nil {

From 07d065a444604d7ad03fba37fefe464ebd32ad00 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Tue, 26 Mar 2024 20:16:01 +0800
Subject: [PATCH 10/11] fill https request host if host is none

---
 client/client.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/client/client.go b/client/client.go
index 5f7fbe50..d232c90e 100644
--- a/client/client.go
+++ b/client/client.go
@@ -48,6 +48,9 @@ func (c *client) RoundTrip(req *http.Request) (resp *http.Response, err error) {
 	req.URL.Scheme = "http"
 	if backendNode.tls {
 		req.URL.Scheme = "https"
+		if req.Host == "" {
+			req.Host = addr
+		}
 	}
 	req.RequestURI = ""
 	startAt := time.Now()

From 52ebbc7720a805c173fe5bda9d7320c54ccfb545 Mon Sep 17 00:00:00 2001
From: realityone <realityone@me.com>
Date: Tue, 26 Mar 2024 20:25:32 +0800
Subject: [PATCH 11/11] using addr directly when https

---
 client/client.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/client/client.go b/client/client.go
index d232c90e..4d7abc24 100644
--- a/client/client.go
+++ b/client/client.go
@@ -48,9 +48,7 @@ func (c *client) RoundTrip(req *http.Request) (resp *http.Response, err error) {
 	req.URL.Scheme = "http"
 	if backendNode.tls {
 		req.URL.Scheme = "https"
-		if req.Host == "" {
-			req.Host = addr
-		}
+		req.Host = addr
 	}
 	req.RequestURI = ""
 	startAt := time.Now()