telegraf/plugins/serializers/json/json.go

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package json
import (
ejson "encoding/json"
"time"
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"github.com/influxdata/telegraf"
)
type JsonSerializer struct {
TimestampUnits time.Duration
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}
func (s *JsonSerializer) Serialize(metric telegraf.Metric) ([]byte, error) {
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m := make(map[string]interface{})
units_nanoseconds := s.TimestampUnits.Nanoseconds()
// if the units passed in were less than or equal to zero,
// then serialize the timestamp in seconds (the default)
if units_nanoseconds <= 0 {
units_nanoseconds = 1000000000
}
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m["tags"] = metric.Tags()
m["fields"] = metric.Fields()
m["name"] = metric.Name()
m["timestamp"] = metric.Time().UnixNano() / units_nanoseconds
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serialized, err := ejson.Marshal(m)
if err != nil {
return []byte{}, err
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}
serialized = append(serialized, '\n')
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return serialized, nil
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}