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log.go
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log.go
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// Copyright 2024 The Bucketeer 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 client
import (
"bytes"
"context"
"fmt"
"time"
"github.com/golang/protobuf/jsonpb" // nolint:staticcheck
"github.com/golang/protobuf/proto" // nolint:staticcheck
"go.uber.org/zap"
"google.golang.org/grpc"
"google.golang.org/grpc/status"
"github.com/bucketeer-io/bucketeer/pkg/log"
)
var marshaler = &jsonpb.Marshaler{}
func LogUnaryClientInterceptor(logger *zap.Logger) grpc.UnaryClientInterceptor {
logger = logger.Named("grpc_client")
return func(
ctx context.Context,
method string,
req, reply interface{},
cc *grpc.ClientConn,
invoker grpc.UnaryInvoker,
opts ...grpc.CallOption,
) error {
serviceName, methodName := splitFullMethodName(method)
startTime := time.Now()
err := invoker(ctx, method, req, reply, cc, opts...)
logger.Check(zap.DebugLevel, "").Write(
log.FieldsFromOutgoingContext(ctx).AddFields(
zap.Error(err),
zap.String("gprcService", serviceName),
zap.String("grpcMethod", methodName),
zap.String("grpcCode", status.Code(err).String()),
zap.Duration("duration", time.Since(startTime)),
zap.Reflect("request", makeUnmarshallable(req)),
)...,
)
return err
}
}
type unmarshallable struct {
proto.Message
}
func makeUnmarshallable(msg interface{}) *unmarshallable {
if m, ok := msg.(proto.Message); ok {
return &unmarshallable{m}
}
return nil
}
func (m *unmarshallable) MarshalJSON() ([]byte, error) {
b := &bytes.Buffer{}
if err := marshaler.Marshal(b, m); err != nil {
return nil, fmt.Errorf("jsonpb serializer failed: %v", err)
}
return b.Bytes(), nil
}