Don't add tags with empty values to opentsdb output (#4751)

2018-09-26 20:26:23 -06:00 · 2018-09-26 20:26:23 -06:00 · 2e2e998ebd
parent d70c80722d
commit 2e2e998ebd
1 changed files with 4 additions and 1 deletions
--- a/plugins/outputs/opentsdb/opentsdb.go
+++ b/plugins/outputs/opentsdb/opentsdb.go
@ -213,7 +213,10 @@ func (o *OpenTSDB) WriteTelnet(metrics []telegraf.Metric, u *url.URL) error {
 func cleanTags(tags map[string]string) map[string]string {
 	tagSet := make(map[string]string, len(tags))
 	for k, v := range tags {
-		tagSet[sanitize(k)] = sanitize(v)
+		val := sanitize(v)
+		if val != "" {
+			tagSet[sanitize(k)] = val
+		}
 	}
 	return tagSet
 }