chore(node-util): move GetNode to utill

we move GetNode from main.go to util package so it can be used by other packages.

Author: saidjawad

cmd/local-volume-provisioner/main.go

@@ -17,7 +17,6 @@ limitations under the License.
 package main
 
 import (
-	"context"
 	"flag"
 	"log"
 	"math/rand"
@@ -33,15 +32,12 @@ import (
 	"sigs.k8s.io/sig-storage-local-static-provisioner/pkg/deleter"
 	"sigs.k8s.io/sig-storage-local-static-provisioner/pkg/metrics"
 	"sigs.k8s.io/sig-storage-local-static-provisioner/pkg/metrics/collectors"
+	"sigs.k8s.io/sig-storage-local-static-provisioner/pkg/util"
 	"sigs.k8s.io/sig-storage-local-static-provisioner/pkg/watcher"
 
-	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/client-go/kubernetes"
 )
 
-const maxGetNodesRetries = 3
-
 var (
 	optListenAddress string
 	optMetricsPath   string
@@ -86,7 +82,7 @@ func main() {
 	}
 
 	client := common.SetupClient()
-	node := getNode(client, nodeName)
+	node := util.GetNode(client.CoreV1(), nodeName)
 
 	configUpdate := make(chan common.ProvisionerConfiguration)
 	defer close(configUpdate)
@@ -115,22 +111,3 @@ func main() {
 	http.Handle(optMetricsPath, promhttp.Handler())
 	log.Fatal(http.ListenAndServe(optListenAddress, nil))
 }
-
-func getNode(client *kubernetes.Clientset, name string) *v1.Node {
-	var retries int
-
-	for {
-		node, err := client.CoreV1().Nodes().Get(context.TODO(), name, metav1.GetOptions{})
-		if err == nil {
-			return node
-		}
-
-		retries++
-		klog.Infof("Could not get node information (remaining retries: %d): %v", maxGetNodesRetries-retries, err)
-
-		if retries >= maxGetNodesRetries {
-			klog.Fatalf("Could not get node information: %v", err)
-		}
-		time.Sleep(time.Second)
-	}
-}

pkg/util/node_util.go

@@ -0,0 +1,49 @@
+/*
+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 util
+
+import (
+	"context"
+	"time"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
+	"k8s.io/klog/v2"
+)
+
+const maxGetNodesRetries = 3
+
+// GetNode returns the node with the given name.
+func GetNode(client corev1.CoreV1Interface, name string) *v1.Node {
+	var retries int
+
+	for {
+		node, err := client.Nodes().Get(context.TODO(), name, metav1.GetOptions{})
+		if err == nil {
+			return node
+		}
+
+		retries++
+		klog.Infof("Could not get node information (remaining retries: %d): %v", maxGetNodesRetries-retries, err)
+
+		if retries >= maxGetNodesRetries {
+			klog.Fatalf("Could not get node information: %v", err)
+		}
+		time.Sleep(time.Second)
+	}
+}