remove the read lines counter when the log file stops being tailed

Signed-off-by: Edward Welch <edward.welch@grafana.com>
grafana · Mar 4, 2020 · 8726033 · 8726033
1 parent 6f3489e
commit 8726033
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pkg/promtail/targets/tailer.go b/pkg/promtail/targets/tailer.go
@@ -147,6 +147,7 @@ func (t *tailer) stop() error {
 	<-t.done
 	filesActive.Add(-1.)
 	// When we stop tailing the file, also un-export metrics related to the file
+	readLines.DeleteLabelValues(t.path)
 	readBytes.DeleteLabelValues(t.path)
 	totalBytes.DeleteLabelValues(t.path)
 	logLengthHistogram.DeleteLabelValues(t.path)