set the default value of the feature gate APIServerTracing to false

Signed-off-by: Iceber Gu <caiwei95@hotmail.com>

cmd/apiserver/app/apiserver.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"context"
+	"fmt"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -67,15 +68,25 @@ func NewClusterPediaServerCommand(ctx context.Context) *cobra.Command {
 	return cmd
 }
 
+var wrapedDefaultFeatureGate = map[featuregate.Feature]bool{
+	// https://github.com/clusterpedia-io/clusterpedia/issues/196
+	genericfeatures.RemainingItemCount: false,
+
+	genericfeatures.APIServerTracing: false,
+}
+
 func init() {
 	runtime.Must(logsapi.AddFeatureGates(utilfeature.DefaultMutableFeatureGate))
 
-	// The feature gate `RemainingItemCount` should default to false
-	// https://github.com/clusterpedia-io/clusterpedia/issues/196
 	gates := utilfeature.DefaultMutableFeatureGate.GetAll()
-	gate := gates[genericfeatures.RemainingItemCount]
-	gate.Default = false
-	gates[genericfeatures.RemainingItemCount] = gate
+	for feature, value := range wrapedDefaultFeatureGate {
+		gate, ok := gates[feature]
+		if !ok {
+			panic(fmt.Sprintf("FeatureGate[%s] is not existed in the default feature gates", feature))
+		}
+		gate.Default = value
+		gates[feature] = gate
+	}
 
 	utilfeature.DefaultMutableFeatureGate = featuregate.NewFeatureGate()
 	runtime.Must(utilfeature.DefaultMutableFeatureGate.Add(gates))

kustomize/apiserver/clusterpedia_apiserver_deployment.yaml

@@ -42,6 +42,7 @@ spec:
         - --secure-port=443
         - --storage-config=/etc/clusterpedia/storage/internalstorage-config.yaml
         - --tracing-config-file=/etc/clusterpedia/trace/tracing-config.yaml
+        - --feature-gates=APIServerTracing=true
         - -v=3
         env:
         - name: DB_PASSWORD
@@ -76,4 +77,4 @@ data:
     kind: TracingConfiguration
     # default
     # endpoint: localhost:4317
-    samplingRatePerMillion: 1000000
+    samplingRatePerMillion: 1000000