fixup metadata

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
     - name: setup
       uses: actions/setup-go@v3
       with:
-        go-version: 1.17
+        go-version: 1.20
     - name: checkout
       uses: actions/checkout@v3
     - name: cache

.github/workflows/pr.yml

@@ -12,7 +12,7 @@ jobs:
     - name: setup
       uses: actions/setup-go@v3
       with:
-        go-version: 1.17
+        go-version: 1.20
     - name: checkout
       uses: actions/checkout@v3
     - name: cache

go.mod

@@ -1,5 +1,13 @@
-module go.unistack.org/micro-wrapper-requestid/v4
+module go.unistack.org/micro-wrapper-requestid/v3
 
 go 1.20
 
-require go.unistack.org/micro/v4 v4.0.1
+require go.unistack.org/micro/v3 v3.10.49
+
+require (
+	github.com/golang/protobuf v1.5.4 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240308144416-29370a3891b7 // indirect
+	google.golang.org/grpc v1.62.1 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+)

go.sum

@@ -1,2 +1,15 @@
-go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
-go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+go.unistack.org/micro/v3 v3.10.49 h1:eW+1OCH4ENjfL0Uaw3+Js9pXRB63+NuThfaozM+eWBs=
+go.unistack.org/micro/v3 v3.10.49/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240308144416-29370a3891b7 h1:em/y72n4XlYRtayY/cVj6pnVzHa//BDA1BdoO+z9mdE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240308144416-29370a3891b7/go.mod h1:UCOku4NytXMJuLQE5VuqA5lX3PcHCBo8pxNyvkf4xBs=
+google.golang.org/grpc v1.62.1 h1:B4n+nfKzOICUXMgyrNd19h/I9oH0L1pizfk1d4zSgTk=
+google.golang.org/grpc v1.62.1/go.mod h1:IWTG0VlJLCh1SkC58F7np9ka9mx/WNkjl4PGJaiq+QE=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=

requestid.go

@@ -1,48 +1,83 @@
-package requestid // import "go.unistack.org/micro-wrapper-requestid/v4"
+package requestid // import "go.unistack.org/micro-wrapper-requestid/v3"
 
 import (
 	"context"
 	"net/textproto"
+	"strings"
 
-	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v4/server"
-	"go.unistack.org/micro/v4/util/id"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v3/util/id"
 )
 
-var XRequestIDKey struct{}
+func init() {
+	requestIDLog := strings.ToLower(DefaultMetadataKey)
+	logger.DefaultContextAttrFuncs = append(logger.DefaultContextAttrFuncs, func(ctx context.Context) []interface{} {
+		if v, ok := ctx.Value(XRequestIDKey{}).(string); ok {
+			return []interface{}{requestIDLog, v}
+		}
+		return nil
+	})
+}
 
-// DefaultMetadataKey contains metadata key x-request-id
+type XRequestIDKey struct{}
+
+// DefaultMetadataKey contains metadata key
 var DefaultMetadataKey = textproto.CanonicalMIMEHeaderKey("x-request-id")
 
 // DefaultMetadataFunc wil be used if user not provide own func to fill metadata
 var DefaultMetadataFunc = func(ctx context.Context) (context.Context, error) {
-	imd, ok := metadata.FromIncomingContext(ctx)
-	if !ok {
+	var xid string
+
+	cid, cok := ctx.Value(XRequestIDKey{}).(string)
+	if cok && cid != "" {
+		xid = cid
+	}
+
+	imd, iok := metadata.FromIncomingContext(ctx)
+	if !iok || imd == nil {
 		imd = metadata.New(1)
+		ctx = metadata.NewIncomingContext(ctx, imd)
 	}
-	omd, ok := metadata.FromOutgoingContext(ctx)
-	if !ok {
+
+	omd, ook := metadata.FromOutgoingContext(ctx)
+	if !ook || omd == nil {
 		omd = metadata.New(1)
+		ctx = metadata.NewOutgoingContext(ctx, omd)
 	}
-	v, iok := imd.Get(DefaultMetadataKey)
-	if iok {
-		if _, ook := omd.Get(DefaultMetadataKey); ook {
-			return ctx, nil
+
+	if xid == "" {
+		var id string
+		if id, iok = imd.Get(DefaultMetadataKey); iok && id != "" {
+			xid = id
+		}
+		if id, ook = omd.Get(DefaultMetadataKey); ook && id != "" {
+			xid = id
 		}
 	}
-	if !iok {
-		uid, err := id.New()
+
+	if xid == "" {
+		var err error
+		xid, err = id.New()
 		if err != nil {
 			return ctx, err
 		}
-		v = uid
 	}
-	imd.Set(DefaultMetadataKey, v)
-	omd.Set(DefaultMetadataKey, v)
-	ctx = context.WithValue(ctx, XRequestIDKey, v)
-	ctx = metadata.NewIncomingContext(ctx, imd)
-	ctx = metadata.NewOutgoingContext(ctx, omd)
+
+	if !cok {
+		ctx = context.WithValue(ctx, XRequestIDKey{}, xid)
+	}
+
+	if !iok {
+		imd.Set(DefaultMetadataKey, xid)
+	}
+
+	if !ook {
+		omd.Set(DefaultMetadataKey, xid)
+	}
+
 	return ctx, nil
 }
 
@@ -111,21 +146,10 @@ func NewServerSubscriberWrapper() server.SubscriberWrapper {
 	return func(fn server.SubscriberFunc) server.SubscriberFunc {
 		return func(ctx context.Context, msg server.Message) error {
 			var err error
-			imd, ok := metadata.FromIncomingContext(ctx)
-			if !ok {
-				imd = metadata.New(1)
+			if xid, ok := msg.Header()[DefaultMetadataKey]; ok {
+				ctx = context.WithValue(ctx, XRequestIDKey{}, xid)
 			}
-			omd, ok := metadata.FromOutgoingContext(ctx)
-			if !ok {
-				omd = metadata.New(1)
-			}
-			if id, ok := msg.Header()[DefaultMetadataKey]; ok {
-				imd.Set(DefaultMetadataKey, id)
-				omd.Set(DefaultMetadataKey, id)
-				ctx = context.WithValue(ctx, XRequestIDKey, id)
-				ctx = metadata.NewIncomingContext(ctx, imd)
-				ctx = metadata.NewOutgoingContext(ctx, omd)
-			} else if ctx, err = DefaultMetadataFunc(ctx); err != nil {
+			if ctx, err = DefaultMetadataFunc(ctx); err != nil {
 				return err
 			}
 			return fn(ctx, msg)

requestid_test.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"
 
-	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 func TestDefaultMetadataFunc(t *testing.T) {