diff options
author | 2017-09-12 09:54:58 +0200 | |
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committer | 2017-09-12 10:49:11 +0200 | |
commit | 217383b613248c79b542623ec6c571591de113ce (patch) | |
tree | 35b2064a8b780e0b18a8ffba31757caa2ed3e10f /vendor/github.com/Sirupsen/logrus/json_formatter.go | |
parent | d07761baec9f09aef0b140ea46e38bd597dbdbbc (diff) |
Use Sirupsen/logrus with uppercase
Change-Id: I2f8870c52f64eb56deb44e4a807867b3ef0a0b76
Signed-off-by: Lukas Macko <lmacko@cisco.com>
Diffstat (limited to 'vendor/github.com/Sirupsen/logrus/json_formatter.go')
-rw-r--r-- | vendor/github.com/Sirupsen/logrus/json_formatter.go | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/github.com/Sirupsen/logrus/json_formatter.go b/vendor/github.com/Sirupsen/logrus/json_formatter.go new file mode 100644 index 0000000..e787ea1 --- /dev/null +++ b/vendor/github.com/Sirupsen/logrus/json_formatter.go @@ -0,0 +1,74 @@ +package logrus + +import ( + "encoding/json" + "fmt" +) + +type fieldKey string +type FieldMap map[fieldKey]string + +const ( + FieldKeyMsg = "msg" + FieldKeyLevel = "level" + FieldKeyTime = "time" +) + +func (f FieldMap) resolve(key fieldKey) string { + if k, ok := f[key]; ok { + return k + } + + return string(key) +} + +type JSONFormatter struct { + // TimestampFormat sets the format used for marshaling timestamps. + TimestampFormat string + + // DisableTimestamp allows disabling automatic timestamps in output + DisableTimestamp bool + + // FieldMap allows users to customize the names of keys for various fields. + // As an example: + // formatter := &JSONFormatter{ + // FieldMap: FieldMap{ + // FieldKeyTime: "@timestamp", + // FieldKeyLevel: "@level", + // FieldKeyMsg: "@message", + // }, + // } + FieldMap FieldMap +} + +func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) { + data := make(Fields, len(entry.Data)+3) + for k, v := range entry.Data { + switch v := v.(type) { + case error: + // Otherwise errors are ignored by `encoding/json` + // https://github.com/sirupsen/logrus/issues/137 + data[k] = v.Error() + default: + data[k] = v + } + } + prefixFieldClashes(data) + + timestampFormat := f.TimestampFormat + if timestampFormat == "" { + timestampFormat = DefaultTimestampFormat + } + + if !f.DisableTimestamp { + data[f.FieldMap.resolve(FieldKeyTime)] = entry.Time.Format(timestampFormat) + } + data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message + data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String() + + serialized, err := json.Marshal(data) + if err != nil { + return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err) + } + return append(serialized, '\n'), nil +} |