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

influxdata · Sep 27, 2018 · 2e2e998 · 2e2e998
1 parent d70c807
commit 2e2e998
Showing 1 changed file with 4 additions and 1 deletion.
diff --git 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
 }