packer-cn/builder/vmware/driver_workstation9_windows.go

258 lines
5.8 KiB
Go

// +build windows
// Contributed by Ross Smith II (smithii.com)
package vmware
import (
"bytes"
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
"syscall"
"unsafe"
)
// Workstation9Driver is a driver that can run VMware Workstation 9
// on Windows.
type Workstation9Driver struct {
AppPath string
VdiskManagerPath string
VmrunPath string
}
func (d *Workstation9Driver) CompactDisk(diskPath string) error {
defragCmd := exec.Command(d.VdiskManagerPath, "-d", diskPath)
if _, _, err := d.runAndLog(defragCmd); err != nil {
return err
}
shrinkCmd := exec.Command(d.VdiskManagerPath, "-k", diskPath)
if _, _, err := d.runAndLog(shrinkCmd); err != nil {
return err
}
return nil
}
func (d *Workstation9Driver) CreateDisk(output string, size string) error {
cmd := exec.Command(d.VdiskManagerPath, "-c", "-s", size, "-a", "lsilogic", "-t", "1", output)
if _, _, err := d.runAndLog(cmd); err != nil {
return err
}
return nil
}
func (d *Workstation9Driver) IsRunning(vmxPath string) (bool, error) {
vmxPath, err := filepath.Abs(vmxPath)
if err != nil {
return false, err
}
cmd := exec.Command(d.VmrunPath, "-T", "ws", "list")
stdout, _, err := d.runAndLog(cmd)
if err != nil {
return false, err
}
for _, line := range strings.Split(stdout, "\n") {
if line == vmxPath {
return true, nil
}
}
return false, nil
}
func (d *Workstation9Driver) Start(vmxPath string, headless bool) error {
guiArgument := "gui"
if headless {
guiArgument = "nogui"
}
cmd := exec.Command(d.VmrunPath, "-T", "ws", "start", vmxPath, guiArgument)
if _, _, err := d.runAndLog(cmd); err != nil {
return err
}
return nil
}
func (d *Workstation9Driver) Stop(vmxPath string) error {
cmd := exec.Command(d.VmrunPath, "-T", "ws", "stop", vmxPath, "hard")
if _, _, err := d.runAndLog(cmd); err != nil {
return err
}
return nil
}
func (d *Workstation9Driver) Verify() error {
if err := d.findApp(); err != nil {
return fmt.Errorf("VMware Workstation application ('vmware') not found in path.")
}
if err := d.findVmrun(); err != nil {
return fmt.Errorf("Required application 'vmrun' not found in path.")
}
if err := d.findVdiskManager(); err != nil {
return fmt.Errorf("Required application 'vmware-vdiskmanager' not found in path.")
}
// Check to see if it APPEARS to be licensed.
/*
matches, err := filepath.Glob("/etc/vmware/license-*")
if err != nil {
return fmt.Errorf("Error looking for VMware license: %s", err)
}
if len(matches) == 0 {
return errors.New("Workstation does not appear to be licensed. Please license it.")
}
*/
return nil
}
func (d *Workstation9Driver) findApp() error {
path, err := exec.LookPath("vmware.exe")
if err != nil {
path, err := getVmwarePath()
if err != nil {
return err
}
path += "vmware.exe"
}
path = strings.Replace(path, "\\", "/", -1)
log.Printf("Using '%s' for vmware path", path)
d.AppPath = path
return nil
}
func (d *Workstation9Driver) findVdiskManager() error {
path, err := exec.LookPath("vmware-vdiskmanager.exe")
if err != nil {
path, err := getVmwarePath()
if err != nil {
return err
}
path += "vmware-vdiskmanager.exe"
}
path = strings.Replace(path, "\\", "/", -1)
log.Printf("Using '%s' for vmware-vdiskmanager path", path)
d.VdiskManagerPath = path
return nil
}
func (d *Workstation9Driver) findVmrun() error {
path, err := exec.LookPath("vmrun.exe")
if err != nil {
path, err := getVmwarePath()
if err != nil {
return err
}
path += "vmrun.exe"
}
path = strings.Replace(path, "\\", "/", -1)
log.Printf("Using '%s' for vmrun path", path)
d.VmrunPath = path
return nil
}
func (d *Workstation9Driver) ToolsIsoPath(flavor string) string {
path, err := getVmwarePath()
if err != nil {
return ""
} else {
return path + flavor + ".iso"
}
}
func (d *Workstation9Driver) DhcpLeasesPath(device string) string {
programData := os.Getenv("ProgramData")
rv := programData + "/VMware/vmnetdhcp.leases"
if _, err := os.Stat(rv); os.IsNotExist(err) {
log.Printf("File not found: '%s' (found '%s' in %%ProgramData%%)", rv, programData)
return ""
}
return rv
}
func (d *Workstation9Driver) runAndLog(cmd *exec.Cmd) (string, string, error) {
var stdout, stderr bytes.Buffer
log.Printf("Executing: %s %v", cmd.Path, cmd.Args[1:])
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
stdoutString := strings.TrimSpace(stdout.String())
stderrString := strings.TrimSpace(stderr.String())
if _, ok := err.(*exec.ExitError); ok {
err = fmt.Errorf("VMware error: %s", stderrString)
}
log.Printf("stdout: %s", stdoutString)
log.Printf("stderr: %s", stderrString)
return stdout.String(), stderr.String(), err
}
// see http://blog.natefinch.com/2012/11/go-win-stuff.html
func readRegString(hive syscall.Handle, subKeyPath, valueName string) (value string, err error) {
var h syscall.Handle
err = syscall.RegOpenKeyEx(hive, syscall.StringToUTF16Ptr(subKeyPath), 0, syscall.KEY_READ, &h)
if err != nil {
return
}
defer syscall.RegCloseKey(h)
var typ uint32
var bufSize uint32
err = syscall.RegQueryValueEx(
h,
syscall.StringToUTF16Ptr(valueName),
nil,
&typ,
nil,
&bufSize)
if err != nil {
return
}
data := make([]uint16, bufSize/2+1)
err = syscall.RegQueryValueEx(
h,
syscall.StringToUTF16Ptr(valueName),
nil,
&typ,
(*byte)(unsafe.Pointer(&data[0])),
&bufSize)
if err != nil {
return
}
return syscall.UTF16ToString(data), nil
}
func getVmwarePath() (s string, e error) {
key := "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\vmware.exe"
subkey := "Path"
s, e = readRegString(syscall.HKEY_LOCAL_MACHINE, key, subkey)
if e != nil {
log.Printf("Unable to read registry key %s\\%s", key, subkey)
return "", e
}
log.Printf("Found '%s' in registry key %s\\%s", s, key, subkey)
s = strings.Replace(s, "\\", "/", -1)
return s, nil
}