Add e2e tests

vendor/k8s.io/kubernetes/pkg/util/mount/mount_windows.go

@@ -25,6 +25,7 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
+	"syscall"
 
 	"github.com/golang/glog"
 )
@@ -74,8 +75,28 @@ func (mounter *Mounter) Mount(source string, target string, fstype string, optio
 			return nil
 		}
 
-		// empty implementation for mounting azure file
-		return os.MkdirAll(target, 0755)
+		// currently only cifs mount is supported
+		if strings.ToLower(fstype) != "cifs" {
+			return fmt.Errorf("azureMount: only cifs mount is supported now, fstype: %q, mounting source (%q), target (%q), with options (%q)", fstype, source, target, options)
+		}
+
+		cmdLine := fmt.Sprintf(`$User = "%s";$PWord = ConvertTo-SecureString -String "%s" -AsPlainText -Force;`+
+			`$Credential = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $User, $PWord`,
+			options[0], options[1])
+
+		driverLetter, err := getAvailableDriveLetter()
+		if err != nil {
+			return err
+		}
+		bindSource = driverLetter + ":"
+		cmdLine += fmt.Sprintf(";New-SmbGlobalMapping -LocalPath %s -RemotePath %s -Credential $Credential", bindSource, source)
+
+		if output, err := exec.Command("powershell", "/c", cmdLine).CombinedOutput(); err != nil {
+			// we don't return error here, even though New-SmbGlobalMapping failed, we still make it successful,
+			// will return error when Windows 2016 RS3 is ready on azure
+			glog.Errorf("azureMount: SmbGlobalMapping failed: %v, only SMB mount is supported now, output: %q", err, string(output))
+			return os.MkdirAll(target, 0755)
+		}
 	}
 
 	if output, err := exec.Command("cmd", "/c", "mklink", "/D", target, bindSource).CombinedOutput(); err != nil {
@@ -147,6 +168,67 @@ func (mounter *Mounter) MakeRShared(path string) error {
 	return nil
 }
 
+// GetFileType checks for sockets/block/character devices
+func (mounter *Mounter) GetFileType(pathname string) (FileType, error) {
+	var pathType FileType
+	info, err := os.Stat(pathname)
+	if os.IsNotExist(err) {
+		return pathType, fmt.Errorf("path %q does not exist", pathname)
+	}
+	// err in call to os.Stat
+	if err != nil {
+		return pathType, err
+	}
+
+	mode := info.Sys().(*syscall.Win32FileAttributeData).FileAttributes
+	switch mode & syscall.S_IFMT {
+	case syscall.S_IFSOCK:
+		return FileTypeSocket, nil
+	case syscall.S_IFBLK:
+		return FileTypeBlockDev, nil
+	case syscall.S_IFCHR:
+		return FileTypeCharDev, nil
+	case syscall.S_IFDIR:
+		return FileTypeDirectory, nil
+	case syscall.S_IFREG:
+		return FileTypeFile, nil
+	}
+
+	return pathType, fmt.Errorf("only recognise file, directory, socket, block device and character device")
+}
+
+// MakeFile creates a new directory
+func (mounter *Mounter) MakeDir(pathname string) error {
+	err := os.MkdirAll(pathname, os.FileMode(0755))
+	if err != nil {
+		if !os.IsExist(err) {
+			return err
+		}
+	}
+	return nil
+}
+
+// MakeFile creates an empty file
+func (mounter *Mounter) MakeFile(pathname string) error {
+	f, err := os.OpenFile(pathname, os.O_CREATE, os.FileMode(0644))
+	defer f.Close()
+	if err != nil {
+		if !os.IsExist(err) {
+			return err
+		}
+	}
+	return nil
+}
+
+// ExistsPath checks whether the path exists
+func (mounter *Mounter) ExistsPath(pathname string) bool {
+	_, err := os.Stat(pathname)
+	if err != nil {
+		return false
+	}
+	return true
+}
+
 func (mounter *SafeFormatAndMount) formatAndMount(source string, target string, fstype string, options []string) error {
 	// Try to mount the disk
 	glog.V(4).Infof("Attempting to formatAndMount disk: %s %s %s", fstype, source, target)
@@ -178,6 +260,20 @@ func normalizeWindowsPath(path string) string {
 	return normalizedPath
 }
 
+func getAvailableDriveLetter() (string, error) {
+	cmd := "$used = Get-PSDrive | Select-Object -Expand Name | Where-Object { $_.Length -eq 1 }"
+	cmd += ";$drive = 67..90 | ForEach-Object { [string][char]$_ } | Where-Object { $used -notcontains $_ } | Select-Object -First 1;$drive"
+	output, err := exec.Command("powershell", "/c", cmd).CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("getAvailableDriveLetter failed: %v, output: %q", err, string(output))
+	}
+
+	if len(output) == 0 {
+		return "", fmt.Errorf("azureMount: there is no available drive letter now")
+	}
+	return string(output)[:1], nil
+}
+
 // ValidateDiskNumber : disk number should be a number in [0, 99]
 func ValidateDiskNumber(disk string) error {
 	diskNum, err := strconv.Atoi(disk)