| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you 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 frameworks |
| |
| import ( |
| "github.com/sirupsen/logrus" |
| ) |
| |
| // WrapFormat is wrap format to transmit trace context when logging |
| type WrapFormat struct { |
| Base logrus.Formatter |
| traceContextKey string |
| } |
| |
| // Wrap original format |
| // nolint |
| func Wrap(base logrus.Formatter, contextKey string) *WrapFormat { |
| if contextKey == "" { |
| contextKey = "SW_CTX" |
| } |
| |
| return &WrapFormat{base, contextKey} |
| } |
| |
| // Format logging with trace context |
| func (format *WrapFormat) Format(entry *logrus.Entry) ([]byte, error) { |
| // append trace context |
| entry.Data[format.traceContextKey] = GetLogContextString() |
| |
| return format.Base.Format(entry) |
| } |
