stats: Allow empty event exporters when registering metrics

diff --git a/src/stats/stats-metrics.c b/src/stats/stats-metrics.c
index 50e68290aa7e88b7fc15ad4f81c4c4e88c714f01..7eadcaed02cc91fc69f8b0658ba339a2f4bf85a8 100644 (file)
--- a/src/stats/stats-metrics.c
+++ b/src/stats/stats-metrics.c
@@ -193,6 +193,10 @@ stats_metrics_check_for_exporter(struct stats_metrics *metrics, const char *name
 {
        struct exporter *exporter;
 
+       /* Allow registering metrics with empty/missing exporters. */
+       if (name[0] == '\0')
+               return TRUE;
+
        if (!array_is_created(&metrics->exporters))
                return FALSE;