🌱 Allows to redefine ETCD client logger

Author: dmvolod

controlplane/kubeadm/etcd/alias.go

@@ -0,0 +1,28 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package etcd
+
+import (
+	"go.uber.org/zap"
+
+	"sigs.k8s.io/cluster-api/controlplane/kubeadm/internal/etcd"
+)
+
+// SetLogger allows to redefine ETCD client logger.
+func SetLogger(logger *zap.Logger) {
+	etcd.SetLogger(logger)
+}

controlplane/kubeadm/etcd/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package etcd implements the Kubeadm ETCD client functions.
+package etcd

controlplane/kubeadm/internal/etcd/etcd.go

@@ -26,6 +26,7 @@ import (
 	"go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	clientv3 "go.etcd.io/etcd/client/v3"
+	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 	"google.golang.org/grpc"
 	kerrors "k8s.io/apimachinery/pkg/util/errors"
@@ -174,6 +175,11 @@ func NewClient(ctx context.Context, config ClientConfiguration) (*Client, error)
 	return client, nil
 }
 
+// SetLogger allows to redefine ETCD client logger.
+func SetLogger(logger *zap.Logger) {
+	etcdClientLogger = logger
+}
+
 func newEtcdClient(ctx context.Context, etcdClient etcd, callTimeout time.Duration) (*Client, error) {
 	endpoints := etcdClient.Endpoints()
 	if len(endpoints) == 0 {