From 71d88cccee96503ecb08cd836159374d6785c51a Mon Sep 17 00:00:00 2001
From: Brandon Palm <bpalm@redhat.com>
Date: Mon, 24 Nov 2025 15:54:49 -0600
Subject: [PATCH] Migrate away from deprecated ioutil

---
 pkg/cloud/libvirt/client/cloudinit.go | 9 ++++-----
 pkg/cloud/libvirt/client/ignition.go  | 3 +--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/pkg/cloud/libvirt/client/cloudinit.go b/pkg/cloud/libvirt/client/cloudinit.go
index 7ff5f97c3..ca2535582 100644
--- a/pkg/cloud/libvirt/client/cloudinit.go
+++ b/pkg/cloud/libvirt/client/cloudinit.go
@@ -5,7 +5,6 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -144,21 +143,21 @@ func (ci *defCloudInit) createISO() (string, error) {
 // object
 func (ci *defCloudInit) createFiles() (string, error) {
 	glog.Info("Creating ISO contents")
-	tmpDir, err := ioutil.TempDir("", "cloudinit")
+	tmpDir, err := os.MkdirTemp("", "cloudinit")
 	if err != nil {
 		return "", fmt.Errorf("Cannot create tmp directory for cloudinit ISO generation: %s",
 			err)
 	}
 	// user-data
-	if err = ioutil.WriteFile(filepath.Join(tmpDir, userDataFileName), []byte(ci.UserData), os.ModePerm); err != nil {
+	if err = os.WriteFile(filepath.Join(tmpDir, userDataFileName), []byte(ci.UserData), os.ModePerm); err != nil {
 		return "", fmt.Errorf("Error while writing user-data to file: %s", err)
 	}
 	// meta-data
-	if err = ioutil.WriteFile(filepath.Join(tmpDir, metaDataFileName), []byte(ci.MetaData), os.ModePerm); err != nil {
+	if err = os.WriteFile(filepath.Join(tmpDir, metaDataFileName), []byte(ci.MetaData), os.ModePerm); err != nil {
 		return "", fmt.Errorf("Error while writing meta-data to file: %s", err)
 	}
 	// network-config
-	if err = ioutil.WriteFile(filepath.Join(tmpDir, networkConfigFileName), []byte(ci.NetworkConfig), os.ModePerm); err != nil {
+	if err = os.WriteFile(filepath.Join(tmpDir, networkConfigFileName), []byte(ci.NetworkConfig), os.ModePerm); err != nil {
 		return "", fmt.Errorf("Error while writing network-config to file: %s", err)
 	}
 
diff --git a/pkg/cloud/libvirt/client/ignition.go b/pkg/cloud/libvirt/client/ignition.go
index eddb596c7..0048cb7bf 100644
--- a/pkg/cloud/libvirt/client/ignition.go
+++ b/pkg/cloud/libvirt/client/ignition.go
@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -100,7 +99,7 @@ func (ign *defIgnition) createAndUpload(client *libvirtClient) (string, error) {
 // Dumps the Ignition object to a temporary ignition file
 func (ign *defIgnition) createFile() (string, error) {
 	glog.Info("Creating Ignition temporary file")
-	tempFile, err := ioutil.TempFile("", ign.Name)
+	tempFile, err := os.CreateTemp("", ign.Name)
 	if err != nil {
 		return "", fmt.Errorf("Cannot create tmp file for Ignition: %s",
 			err)