68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package carbon2
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import (
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"bytes"
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"fmt"
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"github.com/influxdata/telegraf"
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"strconv"
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"strings"
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)
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type serializer struct {
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}
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func NewSerializer() (*serializer, error) {
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s := &serializer{}
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return s, nil
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}
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func (s *serializer) Serialize(metric telegraf.Metric) ([]byte, error) {
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return s.createObject(metric), nil
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}
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func (s *serializer) SerializeBatch(metrics []telegraf.Metric) ([]byte, error) {
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var batch bytes.Buffer
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for _, metric := range metrics {
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batch.Write(s.createObject(metric))
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}
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return batch.Bytes(), nil
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}
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func (s *serializer) createObject(metric telegraf.Metric) []byte {
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var m bytes.Buffer
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for fieldName, fieldValue := range metric.Fields() {
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if isNumeric(fieldValue) {
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m.WriteString("metric=")
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m.WriteString(strings.Replace(metric.Name(), " ", "_", -1))
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m.WriteString(" field=")
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m.WriteString(strings.Replace(fieldName, " ", "_", -1))
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m.WriteString(" ")
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for _, tag := range metric.TagList() {
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m.WriteString(strings.Replace(tag.Key, " ", "_", -1))
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m.WriteString("=")
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value := tag.Value
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if len(value) == 0 {
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value = "null"
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}
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m.WriteString(strings.Replace(value, " ", "_", -1))
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m.WriteString(" ")
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}
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m.WriteString(" ")
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m.WriteString(fmt.Sprintf("%v", fieldValue))
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m.WriteString(" ")
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m.WriteString(strconv.FormatInt(metric.Time().Unix(), 10))
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m.WriteString("\n")
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}
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}
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return m.Bytes()
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}
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func isNumeric(v interface{}) bool {
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switch v.(type) {
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case string:
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return false
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default:
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return true
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}
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}
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