fix(metric): Add VFP counter metric for uninitialized object

pkg/metrics/metrics.go

@@ -40,12 +40,18 @@ func InitializeMetrics() {
 		utils.ForwardBytesGaugeName,
 		forwardBytesGaugeDescription,
 		utils.Direction)
-	WindowsGauge = exporter.CreatePrometheusGaugeVecForMetric(
+	HNSStatsGauge = exporter.CreatePrometheusGaugeVecForMetric(
 		exporter.DefaultRegistry,
 		hnsStats,
 		hnsStatsDescription,
 		utils.Direction,
 	)
+	VFPStatsGauge = exporter.CreatePrometheusGaugeVecForMetric(
+		exporter.DefaultRegistry,
+		vfpStats,
+		vfpStatsDescription,
+		utils.State,
+	)
 	NodeConnectivityStatusGauge = exporter.CreatePrometheusGaugeVecForMetric(
 		exporter.DefaultRegistry,
 		utils.NodeConnectivityStatusName,

pkg/metrics/types.go

@@ -16,6 +16,8 @@ const (
 	// Windows
 	hnsStats            = "windows_hns_stats"
 	hnsStatsDescription = "Include many different metrics from packets sent/received to closed connections"
+	vfpStats            = "windows_vfp_stats"
+	vfpStatsDescription = "Include many different metrics from packets sent/received to closed connections"
 
 	// Linux only metrics (for now).
 	nodeApiServerHandshakeLatencyHistName = "node_apiserver_handshake_latency_ms"
@@ -56,7 +58,9 @@ var (
 	ForwardPacketsGauge GaugeVec
 	ForwardBytesGauge   GaugeVec
 
-	WindowsGauge GaugeVec
+	// Windows
+	HNSStatsGauge GaugeVec
+	VFPStatsGauge GaugeVec
 
 	// Common gauges across os distributions
 	NodeConnectivityStatusGauge  GaugeVec

pkg/plugin/windows/hnsstats/hnsstats_windows.go

@@ -163,14 +163,15 @@ func notifyHnsStats(h *hnsstats, stats *HnsStatsData) {
 	metrics.ForwardBytesGauge.WithLabelValues(ingressLabel).Set(float64(stats.hnscounters.BytesReceived))
 	h.l.Debug("emitting bytes received count metric", zap.Uint64(BytesReceived, stats.hnscounters.BytesReceived))
 
-	metrics.WindowsGauge.WithLabelValues(PacketsReceived).Set(float64(stats.hnscounters.PacketsReceived))
-	metrics.WindowsGauge.WithLabelValues(PacketsSent).Set(float64(stats.hnscounters.PacketsSent))
+	metrics.HNSStatsGauge.WithLabelValues(PacketsReceived).Set(float64(stats.hnscounters.PacketsReceived))
+	metrics.HNSStatsGauge.WithLabelValues(PacketsSent).Set(float64(stats.hnscounters.PacketsSent))
 
 	metrics.DropPacketsGauge.WithLabelValues(utils.Endpoint, egressLabel).Set(float64(stats.hnscounters.DroppedPacketsOutgoing))
 	metrics.DropPacketsGauge.WithLabelValues(utils.Endpoint, ingressLabel).Set(float64(stats.hnscounters.DroppedPacketsIncoming))
 
 	if stats.vfpCounters == nil {
-		h.l.Warn("will not record some metrics since VFP port counters failed to be set")
+		metrics.VFPStatsGauge.WithLabelValues(utils.Uninitialized).Inc()
+		h.l.Debug("will not record some metrics since VFP port counters failed to be set")
 		return
 	}
 

pkg/utils/attr_utils.go

@@ -7,7 +7,7 @@ import (
 )
 
 const (
-	unknown = "__uknown__"
+	unknown = "__unknown__"
 )
 
 var (
@@ -49,6 +49,7 @@ var (
 	AclRule        = "aclrule"
 	Active         = "ACTIVE"
 	Device         = "device"
+	Uninitialized  = "uninitialized"
 
 	// TCP Connection Statistic Names
 	ResetCount           = "ResetCount"