33 lines
730 B
Go
33 lines
730 B
Go
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package logrus
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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type JSONFormatter struct{}
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func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
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data := make(Fields, len(entry.Data)+3)
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for k, v := range entry.Data {
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// Otherwise errors are ignored by `encoding/json`
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// https://github.com/Sirupsen/logrus/issues/137
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if err, ok := v.(error); ok {
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data[k] = err.Error()
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} else {
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data[k] = v
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}
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}
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prefixFieldClashes(data)
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data["time"] = entry.Time.Format(time.RFC3339)
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data["msg"] = entry.Message
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data["level"] = entry.Level.String()
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serialized, err := json.Marshal(data)
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if err != nil {
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return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
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}
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return append(serialized, '\n'), nil
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}
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