Remove tags with empty values from Wavefront output (#4266)
(cherry picked from commit d2e729dfaf
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@ -180,6 +180,14 @@ func buildMetrics(m telegraf.Metric, w *Wavefront) []*MetricPoint {
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}
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func buildTags(mTags map[string]string, w *Wavefront) (string, map[string]string) {
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// Remove all empty tags.
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for k, v := range mTags {
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if v == "" {
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delete(mTags, k)
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}
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}
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var source string
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sourceTagFound := false
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