Added reset before collecting new metrics to prevent dangling metrics

metrics/pve_node_status_collector.go

@@ -229,6 +229,27 @@ func (c *PveNodeStatusCollector) CollectMetrics() error {
 		return err
 	}
 
+	c.state.Reset()
+	c.uptime.Reset()
+	c.cpus.Reset()
+	c.cpuUsage.Reset()
+	c.memBytes.Reset()
+	c.memBytesUsed.Reset()
+	c.memBytesFree.Reset()
+	c.ksmShared.Reset()
+	c.cgroupMode.Reset()
+	c.load1.Reset()
+	c.load5.Reset()
+	c.load15.Reset()
+	c.fSFree.Reset()
+	c.fSUsed.Reset()
+	c.fSTotal.Reset()
+	c.fSAvail.Reset()
+	c.cpuInfo.Reset()
+	c.systemInfo.Reset()
+	c.time.Reset()
+	c.localTime.Reset()
+
 	for _, node := range cluster.NodeStatuses {
 		labels := prometheus.Labels{
 			"cluster": cluster.GetClusterName(),