コード例 #1
0
ファイル: ls.go プロジェクト: rnaveiras/packer
func fetchList(client *winrm.Client, remotePath string) ([]FileItem, error) {
	script := fmt.Sprintf("Get-ChildItem %s", remotePath)
	stdout, stderr, _, err := client.RunWithString("powershell -Command \""+script+" | ConvertTo-Xml -NoTypeInformation -As String\"", "")
	if err != nil {
		return nil, errors.New(fmt.Sprintf("Couldn't execute script %s: %v", script, err))
	}

	if stderr != "" {
		if os.Getenv("WINRMCP_DEBUG") != "" {
			log.Printf("STDERR returned: %s\n", stderr)
		}
	}

	if stdout != "" {
		doc := pslist{}
		err := xml.Unmarshal([]byte(stdout), &doc)
		if err != nil {
			return nil, errors.New(fmt.Sprintf("Couldn't parse results: %v", err))
		}

		return convertFileItems(doc.Objects), nil
	}

	return []FileItem{}, nil
}
コード例 #2
0
ファイル: cp.go プロジェクト: rnaveiras/packer
func restoreContent(client *winrm.Client, fromPath, toPath string) error {
	shell, err := client.CreateShell()
	if err != nil {
		return err
	}

	defer shell.Close()
	script := fmt.Sprintf(`
		$tmp_file_path = [System.IO.Path]::GetFullPath("%s")
		$dest_file_path = [System.IO.Path]::GetFullPath("%s".Trim("'"))
		if (Test-Path $dest_file_path) {
			rm $dest_file_path
		}
		else {
			$dest_dir = ([System.IO.Path]::GetDirectoryName($dest_file_path))
			New-Item -ItemType directory -Force -ErrorAction SilentlyContinue -Path $dest_dir | Out-Null
		}

		if (Test-Path $tmp_file_path) {
			$base64_lines = Get-Content $tmp_file_path
			$base64_string = [string]::join("",$base64_lines)
			$bytes = [System.Convert]::FromBase64String($base64_string) 
			[System.IO.File]::WriteAllBytes($dest_file_path, $bytes)
		} else {
			echo $null > $dest_file_path
		}
	`, fromPath, toPath)

	cmd, err := shell.Execute(winrm.Powershell(script))
	if err != nil {
		return err
	}
	defer cmd.Close()

	var wg sync.WaitGroup
	copyFunc := func(w io.Writer, r io.Reader) {
		defer wg.Done()
		io.Copy(w, r)
	}

	wg.Add(2)
	go copyFunc(os.Stdout, cmd.Stdout)
	go copyFunc(os.Stderr, cmd.Stderr)

	cmd.Wait()
	wg.Wait()

	if cmd.ExitCode() != 0 {
		return errors.New(fmt.Sprintf("restore operation returned code=%d", cmd.ExitCode()))
	}
	return nil
}
コード例 #3
0
ファイル: cp.go プロジェクト: rnaveiras/packer
func cleanupContent(client *winrm.Client, filePath string) error {
	shell, err := client.CreateShell()
	if err != nil {
		return err
	}

	defer shell.Close()
	cmd, _ := shell.Execute("powershell", "Remove-Item", filePath, "-ErrorAction SilentlyContinue")

	cmd.Wait()
	cmd.Close()
	return nil
}
コード例 #4
0
ファイル: cp.go プロジェクト: rnaveiras/packer
func uploadChunks(client *winrm.Client, filePath string, maxChunks int, reader io.Reader) (bool, error) {
	shell, err := client.CreateShell()
	if err != nil {
		return false, errors.New(fmt.Sprintf("Couldn't create shell: %v", err))
	}
	defer shell.Close()

	// Upload the file in chunks to get around the Windows command line size limit.
	// Base64 encodes each set of three bytes into four bytes. In addition the output
	// is padded to always be a multiple of four.
	//
	//   ceil(n / 3) * 4 = m1 - m2
	//
	//   where:
	//     n  = bytes
	//     m1 = max (8192 character command limit.)
	//     m2 = len(filePath)

	chunkSize := ((8000 - len(filePath)) / 4) * 3
	chunk := make([]byte, chunkSize)

	if maxChunks == 0 {
		maxChunks = 1
	}

	for i := 0; i < maxChunks; i++ {
		n, err := reader.Read(chunk)

		if err != nil && err != io.EOF {
			return false, err
		}
		if n == 0 {
			return true, nil
		}

		content := base64.StdEncoding.EncodeToString(chunk[:n])
		if err = appendContent(shell, filePath, content); err != nil {
			return false, err
		}
	}

	return false, nil
}