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Allow JSON data format to contain zero metrics (#3268)

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(cherry picked from commit 22a9ffbb9d)
This commit is contained in:
Daniel Nelson
2017-09-26 15:58:33 -07:00
committed by Daniel Nelson
parent 0e0da57b9a
commit 47b2d04d5b
3 changed files with 16 additions and 4 deletions
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4
plugins/parsers/json/parser.go
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@@ -67,6 +67,10 @@ func (p *JSONParser) parseObject(metrics []telegraf.Metric, jsonOut map[string]i
}
func (p *JSONParser) Parse(buf []byte) ([]telegraf.Metric, error) {
buf = bytes.TrimSpace(buf)
if len(buf) == 0 {
return make([]telegraf.Metric, 0), nil
}
if !isarray(buf) {
metrics := make([]telegraf.Metric, 0)