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Refactor SerializeBucketName to be read-only for struct fields

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This commit is contained in:
Cameron Sparr
2016-07-12 17:08:03 -06:00
parent 7c9b312cee
commit 821d3fafa6
3 changed files with 21 additions and 29 deletions
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20
plugins/serializers/graphite/graphite.go
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@@ -10,22 +10,23 @@ import (
const DEFAULT_TEMPLATE = "host.tags.measurement.field"
var fieldDeleter = strings.NewReplacer(".FIELDNAME", "", "FIELDNAME.", "")
var (
fieldDeleter = strings.NewReplacer(".FIELDNAME", "", "FIELDNAME.", "")
sanitizedChars = strings.NewReplacer("/", "-", "@", "-", "*", "-", " ", "_", "..", ".")
)
type GraphiteSerializer struct {
Prefix string
Template string
}
var sanitizedChars = strings.NewReplacer("/", "-", "@", "-", "*", "-", " ", "_", "..", ".")
func (s *GraphiteSerializer) Serialize(metric telegraf.Metric) ([]string, error) {
func (s GraphiteSerializer) Serialize(metric telegraf.Metric) ([]string, error) {
out := []string{}
// Convert UnixNano to Unix timestamps
timestamp := metric.UnixNano() / 1000000000
bucket := s.SerializeBucketName(metric.Name(), metric.Tags())
bucket := SerializeBucketName(metric.Name(), metric.Tags(), s.Template, s.Prefix)
if bucket == "" {
return out, nil
}
@@ -51,11 +52,12 @@ func (s *GraphiteSerializer) Serialize(metric telegraf.Metric) ([]string, error)
// FIELDNAME. It is up to the user to replace this. This is so that
// SerializeBucketName can be called just once per measurement, rather than
// once per field. See GraphiteSerializer.InsertField() function.
func (s *GraphiteSerializer) SerializeBucketName(
func SerializeBucketName(
measurement string,
tags map[string]string,
template string,
prefix string,
) string {
template := s.Template
if template == "" {
template = DEFAULT_TEMPLATE
}
@@ -97,10 +99,10 @@ func (s *GraphiteSerializer) SerializeBucketName(
return ""
}
if s.Prefix == "" {
if prefix == "" {
return sanitizedChars.Replace(strings.Join(out, "."))
}
return sanitizedChars.Replace(s.Prefix + "." + strings.Join(out, "."))
return sanitizedChars.Replace(prefix + "." + strings.Join(out, "."))
}
// InsertField takes the bucket string from SerializeBucketName and replaces the