Add logr to zapcore log level converter

Author: dmvolod

controlplane/kubeadm/internal/controllers/controller.go

@@ -25,6 +25,8 @@ import (
 
 	"github.com/blang/semver/v4"
 	"github.com/pkg/errors"
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
+	"go.uber.org/zap/zapcore"
 	corev1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -45,6 +47,7 @@ import (
 	"sigs.k8s.io/cluster-api/controllers/clustercache"
 	controlplanev1 "sigs.k8s.io/cluster-api/controlplane/kubeadm/api/v1beta2"
 	"sigs.k8s.io/cluster-api/controlplane/kubeadm/internal"
+	"sigs.k8s.io/cluster-api/controlplane/kubeadm/internal/etcd"
 	expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta2"
 	"sigs.k8s.io/cluster-api/feature"
 	"sigs.k8s.io/cluster-api/internal/contract"
@@ -110,6 +113,12 @@ func (r *KubeadmControlPlaneReconciler) SetupWithManager(ctx context.Context, mg
 	}
 
 	predicateLog := ctrl.LoggerFrom(ctx).WithValues("controller", "kubeadmcontrolplane")
+	etcdLogger, err := logutil.CreateDefaultZapLogger(0 - zapcore.Level(predicateLog.GetV()))
+	if err != nil {
+		return errors.Wrap(err, "failed to create ETCD client zap logger")
+	}
+	etcd.SetLogger(etcdLogger)
+
 	c, err := ctrl.NewControllerManagedBy(mgr).
 		For(&controlplanev1.KubeadmControlPlane{}).
 		Owns(&clusterv1.Machine{}, builder.WithPredicates(predicates.ResourceIsChanged(mgr.GetScheme(), predicateLog))).