remove klog

Signed-off-by: Etai Lev Ran <elevran@gmail.com>

Author: elevran

cmd/pd-sidecar/main.go

@@ -23,8 +23,9 @@ import (
 	"strconv"
 	"strings"
 
-	"k8s.io/klog/v2"
 	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
 
 	"github.com/llm-d/llm-d-inference-scheduler/pkg/sidecar/proxy"
 	"github.com/llm-d/llm-d-inference-scheduler/pkg/sidecar/version"
@@ -58,14 +59,15 @@ func main() {
 	inferencePoolName := flag.String("inference-pool-name", os.Getenv("INFERENCE_POOL_NAME"), "the specific InferencePool name to watch (defaults to INFERENCE_POOL_NAME env var)")
 	enablePrefillerSampling := flag.Bool("enable-prefiller-sampling", func() bool { b, _ := strconv.ParseBool(os.Getenv("ENABLE_PREFILLER_SAMPLING")); return b }(), "if true, the target prefill instance will be selected randomly from among the provided prefill host values")
 
-	klog.InitFlags(nil)
+	opts := zap.Options{}
+	opts.BindFlags(flag.CommandLine) // optional to allow zap logging control via CLI
 	flag.Parse()
 
-	// make sure to flush logs before exiting
-	defer klog.Flush()
+	logger := zap.New(zap.UseFlagOptions(&opts))
+	log.SetLogger(logger)
 
 	ctx := ctrl.SetupSignalHandler()
-	logger := klog.FromContext(ctx)
+	log.IntoContext(ctx, logger)
 
 	logger.Info("Proxy starting", "Built on", version.BuildRef, "From Git SHA", version.CommitSHA)
 

go.mod

@@ -21,7 +21,6 @@ require (
 	k8s.io/apiextensions-apiserver v0.34.2
 	k8s.io/apimachinery v0.34.2
 	k8s.io/client-go v0.34.2
-	k8s.io/klog/v2 v2.130.1
 	k8s.io/utils v0.0.0-20250820121507-0af2bda4dd1d
 	sigs.k8s.io/controller-runtime v0.22.4
 	sigs.k8s.io/gateway-api v1.4.0
@@ -125,6 +124,7 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apiserver v0.34.2 // indirect
 	k8s.io/component-base v0.34.2 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20250814151709-d7b6acb124c3 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.2 // indirect
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect