Cleanup deprecated metrics

Remove the following deprecated metrics:
- node_collector_evictions_number
- scheduler_e2e_scheduling_duration_seconds

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

pkg/controller/nodelifecycle/metrics.go

@@ -28,7 +28,6 @@ const (
 	zoneHealthStatisticKey  = "zone_health"
 	zoneSizeKey             = "zone_size"
 	zoneNoUnhealthyNodesKey = "unhealthy_nodes_in_zone"
-	evictionsNumberKey      = "evictions_number"
 	evictionsTotalKey       = "evictions_total"
 
 	updateNodeHealthKey     = "update_node_health_duration_seconds"
@@ -63,16 +62,6 @@ var (
 		},
 		[]string{"zone"},
 	)
-	evictionsNumber = metrics.NewCounterVec(
-		&metrics.CounterOpts{
-			Subsystem:         nodeControllerSubsystem,
-			Name:              evictionsNumberKey,
-			Help:              "Number of Node evictions that happened since current instance of NodeController started, This metric is replaced by node_collector_evictions_total.",
-			DeprecatedVersion: "1.24.0",
-			StabilityLevel:    metrics.ALPHA,
-		},
-		[]string{"zone"},
-	)
 	evictionsTotal = metrics.NewCounterVec(
 		&metrics.CounterOpts{
 			Subsystem:      nodeControllerSubsystem,
@@ -111,7 +100,6 @@ func Register() {
 		legacyregistry.MustRegister(zoneHealth)
 		legacyregistry.MustRegister(zoneSize)
 		legacyregistry.MustRegister(unhealthyNodes)
-		legacyregistry.MustRegister(evictionsNumber)
 		legacyregistry.MustRegister(evictionsTotal)
 		legacyregistry.MustRegister(updateNodeHealthDuration)
 		legacyregistry.MustRegister(updateAllNodesHealthDuration)

pkg/controller/nodelifecycle/node_lifecycle_controller.go

@@ -643,9 +643,8 @@ func (nc *Controller) doNoExecuteTaintingPass(ctx context.Context) {
 			}
 			result := controllerutil.SwapNodeControllerTaint(ctx, nc.kubeClient, []*v1.Taint{&taintToAdd}, []*v1.Taint{&oppositeTaint}, node)
 			if result {
-				//count the evictionsNumber
+				// Count the number of evictions.
 				zone := nodetopology.GetZoneKey(node)
-				evictionsNumber.WithLabelValues(zone).Inc()
 				evictionsTotal.WithLabelValues(zone).Inc()
 			}
 
@@ -1222,7 +1221,6 @@ func (nc *Controller) addPodEvictorForNewZone(logger klog.Logger, node *v1.Node)
 				flowcontrol.NewTokenBucketRateLimiter(nc.evictionLimiterQPS, scheduler.EvictionRateLimiterBurst))
 		// Init the metric for the new zone.
 		logger.Info("Initializing eviction metric for zone", "zone", zone)
-		evictionsNumber.WithLabelValues(zone).Add(0)
 		evictionsTotal.WithLabelValues(zone).Add(0)
 	}
 }

pkg/scheduler/metrics/metrics.go

@@ -66,15 +66,6 @@ var (
 			StabilityLevel: metrics.STABLE,
 		}, []string{"result", "profile"})
 
-	e2eSchedulingLatency = metrics.NewHistogramVec(
-		&metrics.HistogramOpts{
-			Subsystem:         SchedulerSubsystem,
-			Name:              "e2e_scheduling_duration_seconds",
-			DeprecatedVersion: "1.23.0",
-			Help:              "E2e scheduling latency in seconds (scheduling algorithm + binding). This metric is replaced by scheduling_attempt_duration_seconds.",
-			Buckets:           metrics.ExponentialBuckets(0.001, 2, 15),
-			StabilityLevel:    metrics.ALPHA,
-		}, []string{"result", "profile"})
 	schedulingLatency = metrics.NewHistogramVec(
 		&metrics.HistogramOpts{
 			Subsystem:      SchedulerSubsystem,
@@ -219,7 +210,6 @@ var (
 
 	metricsList = []metrics.Registerable{
 		scheduleAttempts,
-		e2eSchedulingLatency,
 		schedulingLatency,
 		SchedulingAlgorithmLatency,
 		PreemptionVictims,

pkg/scheduler/metrics/profile_metrics.go

@@ -43,7 +43,6 @@ func PodScheduleError(profile string, duration float64) {
 }
 
 func observeScheduleAttemptAndLatency(result, profile string, duration float64) {
-	e2eSchedulingLatency.WithLabelValues(result, profile).Observe(duration)
 	schedulingLatency.WithLabelValues(result, profile).Observe(duration)
 	scheduleAttempts.WithLabelValues(result, profile).Inc()
 }