Add a warning message if metric not found

Signed-off-by: Xiaodong Ye <[email protected]>
prometheus · Nov 20, 2024 · 2f4dbae · 2f4dbae
1 parent 087adf3
commit 2f4dbae
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/collector/rdma_linux.go b/collector/rdma_linux.go
@@ -230,6 +230,11 @@ func (c *rdmaCollector) Update(ch chan<- prometheus.Metric) error {
 			if !c.metricsPattern.MatchString(name) {
 				return
 			}
+			entry := c.entry(name)
+			if entry == nil {
+				c.logger.Warn("rdma metric not found", "name", name)
+				return
+			}
 			ch <- prometheus.MustNewConstMetric(c.entry(name), prometheus.GaugeValue,
 				value, labelValues...)
 		}