Name:     "small.txt",
				Size:     5,
				Mode:     0640,
				Uid:      73025,
				Gid:      5000,
				Uname:    "dsymonds",
				Gname:    "eng",
				ModTime:  time.Unix(1246508266, 0),
			}, nil},
			testWrite{"Kilts", 5, nil},

			testHeader{Header{
				Typeflag: TypeReg,
				Name:     "small2.txt",
				Size:     11,
				Mode:     0640,
				Uid:      73025,
				Uname:    "dsymonds",

		case source.ServiceAccountToken != nil:
			tp := source.ServiceAccountToken

			// When FsGroup is set, we depend on SetVolumeOwnership to
			// change from 0600 to 0640.
			mode := *s.source.DefaultMode
			if mounterArgs.FsUser != nil || mounterArgs.FsGroup != nil {
				mode = 0600
			}

			var auds []string
			if len(tp.Audience) != 0 {
				auds = []string{tp.Audience}
			}

					"bar": {Mode: 0644, Data: []byte("bar")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo2")},
					"bar": {Mode: 0644, Data: []byte("bar2")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo3")},
					"bar": {Mode: 0644, Data: []byte("bar3")},
				},
				{
					"foo": {Mode: 0644, Data: []byte("foo4")},
					"bar": {Mode: 0644, Data: []byte("bar4")},
				},
			},

  name: default
contexts:
- context:
    cluster: default
    user: default
  name: default
current-context: default
users:
- name: default
  user:
    username: config
`, server.URL)), os.FileMode(0600)); err != nil {
		t.Fatal(err)
	}

	// plugin config
	pluginConfigFilev1 := filepath.Join(tmpDir, "pluginv1.yaml")
	if err := os.WriteFile(pluginConfigFilev1, []byte(fmt.Sprintf(`

	lines := bytes.Split(src, []byte("\n"))
	for i, line := range lines {
		if bytes.Contains(line, []byte("breakpoint")) {
			bp = i
			break
		}
	}

	err := os.WriteFile(filepath.Join(dir, "main.go"), src, 0644)
	if err != nil {
		t.Fatalf("failed to create file: %v", err)
	}
	nLines := lastLine(src)

	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")
	cmd.Dir = dir

00000040  39 6a 4d 8d 87 00 3b 14  76 4a 86 87 46 1e d4 04  |9jM...;.vJ..F...|
00000050  2d ea c1 44 1f e8 87 71  da 1e 26 72 a2 e9 40 0c  |-..D...q..&r..@.|
00000060  33 6e 6f 06 43 ed 7f fc  8f 4c d4 f4 0f 83 19 cb  |3no.C....L......|
00000070  52 a9 94 f3 6a 64 db dd  20 d1 a7 d4 c7 6e 86 ed  |R...jd.. ....n..|
00000080  6e ea 5c 66 d1 34 a6 92  7e b1 16 03 03 02 69 48  |n.\f.4..~.....iH|

				t.Fatalf("Unable to create temporary directory: %v", err)
			}
			defer os.RemoveAll(tmpDir)

			configFilePath := filepath.Join(tmpDir, "test-config-file")
			if err := os.WriteFile(configFilePath, tc.configContents, 0644); err != nil {
				t.Fatalf("Failed writing a config file: %v", err)
			}

			i, err := NewImagesList(configFilePath, &kubeadmapiv1.ClusterConfiguration{
				KubernetesVersion: dummyKubernetesVersionStr,
			})

// If the file already exists, exclusiveWrite returns (false, nil).
func exclusiveWrite(filename string, content []byte) (_ bool, rerr error) {
	f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0644)
	if err != nil {
		if os.IsExist(err) {
			return false, nil
		}
		return false, err
	}
	defer func() {
		if err := f.Close(); err != nil && rerr == nil {
			rerr = err
		}
	}()

		return errors.Wrapf(err, "unable to write private key to file %s", privateKeyPath)
	}

	return nil
}

// WriteCSR writes the pem-encoded CSR data to csrPath.
// The CSR file will be created with file mode 0600.
// If the CSR file already exists, it will be overwritten.
// The parent directory of the csrPath will be created as needed with file mode 0700.
func WriteCSR(csrDir, name string, csr *x509.CertificateRequest) error {

		// in local/debug.
		childLogPath := filepath.Join(telemetry.Default.DebugDir(), "sidecar.log")
		childLog, err := os.OpenFile(childLogPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0600)
		if err != nil {
			log.Fatalf("opening sidecar log file for child: %v", err)
		}
		defer childLog.Close()
		cmd.Stderr = childLog
	}

	if reportCrashes {
		pipe, err := cmd.StdinPipe()