fix: fix grpc call error (#154)

* server: put recovery handler at the end of interceptor chains

* fix: ensure index accessing safety

* chore: replace deprecated ctxlogrus

internal/server/interceptors.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"net/http"
 
-	ctx_logrus "github.com/grpc-ecosystem/go-grpc-middleware/tags/logrus"
+	"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus/ctxlogrus"
 	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
@@ -39,18 +39,20 @@ func enrichRequestMetadata(ctx context.Context, req *http.Request) metadata.MD {
 
 func enrichLogrusFields() grpc.UnaryServerInterceptor {
 	return func(ctx context.Context, req interface{}, _ *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
-		fields := make(logrus.Fields, 0)
+		fields := make(logrus.Fields)
 
 		if userEmail, ok := ctx.Value(authenticatedUserEmailContextKey{}).(string); ok {
 			fields[logrusActorKey] = userEmail
 		}
 
 		if md, ok := metadata.FromIncomingContext(ctx); ok {
-			fields["http_path"] = md[grpcgatewayHTTPPathKey][0]
+			if len(md[grpcgatewayHTTPPathKey]) > 0 {
+				fields["http_path"] = md[grpcgatewayHTTPPathKey][0]
+			}
 		}
 
 		if len(fields) > 0 {
-			ctx_logrus.AddFields(ctx, fields)
+			ctxlogrus.AddFields(ctx, fields)
 		}
 		return handler(ctx, req)
 	}

internal/server/server.go

@@ -85,16 +85,17 @@ func RunServer(config *Config) error {
 			otelgrpc.StreamServerInterceptor(),
 		)),
 		grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
+			grpc_logrus.UnaryServerInterceptor(logrusEntry),
+			authInterceptor,
+			enrichLogrusFields(),
+			otelgrpc.UnaryServerInterceptor(),
+
 			grpc_recovery.UnaryServerInterceptor(
 				grpc_recovery.WithRecoveryHandler(func(p interface{}) (err error) {
 					logger.Error(context.Background(), string(debug.Stack()))
 					return status.Errorf(codes.Internal, "Internal error, please check log")
 				}),
 			),
-			grpc_logrus.UnaryServerInterceptor(logrusEntry),
-			authInterceptor,
-			enrichLogrusFields(),
-			otelgrpc.UnaryServerInterceptor(),
 		)),
 	)