78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log
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import (
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"time"
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"encoding/json"
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"github.com/Sirupsen/logrus"
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)
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type JSONFormatter struct {
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IgnoreFields []string
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TimestampFormat string
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}
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func (f *JSONFormatter) ignore(field string) bool {
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for _, ignore := range f.IgnoreFields {
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if field == ignore {
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return true
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}
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}
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return false
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}
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func (f *JSONFormatter) include(field string) bool {
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for _, ignore := range f.IgnoreFields {
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if field == ignore {
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return false
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}
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}
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return true
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}
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func (f *JSONFormatter) Format(entry *logrus.Entry) (data []byte, err error) {
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if f.TimestampFormat == "" {
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f.TimestampFormat = time.RFC3339Nano
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}
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obj := make(map[string]interface{})
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obj["msg"] = entry.Message
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obj["time"] = entry.Time.Format(f.TimestampFormat)
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obj["level"] = entry.Level.String()
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for k, v := range entry.Data {
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if f.include(k) {
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switch x := v.(type) {
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case error:
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obj[k] = x.Error()
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default:
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obj[k] = x
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}
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}
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}
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data, err = json.Marshal(obj)
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if err != nil {
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return nil, err
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}
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return append(data, '\n'), nil
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}
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