packer-cn/builder/vmware/driver.go

118 lines
2.8 KiB
Go

package vmware
import (
"bytes"
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
)
// A driver is able to talk to VMware, control virtual machines, etc.
type Driver interface {
// CreateDisk creates a virtual disk with the given size.
CreateDisk(string, string) error
// Checks if the VMX file at the given path is running.
IsRunning(string) (bool, error)
// Start starts a VM specified by the path to the VMX given.
Start(string) error
// Stop stops a VM specified by the path to the VMX given.
Stop(string) error
// Verify checks to make sure that this driver should function
// properly. This should check that all the files it will use
// appear to exist and so on. If everything is okay, this doesn't
// return an error. Otherwise, this returns an error.
Verify() error
}
// Fusion5Driver is a driver that can run VMWare Fusion 5.
type Fusion5Driver struct {
// This is the path to the "VMware Fusion.app"
AppPath string
}
func (d *Fusion5Driver) CreateDisk(output string, size string) error {
cmd := exec.Command(d.vdiskManagerPath(), "-c", "-s", size, "-a", "lsilogic", "-t", "1", output)
if err := cmd.Run(); err != nil {
return err
}
return nil
}
func (d *Fusion5Driver) IsRunning(vmxPath string) (bool, error) {
stdout := new(bytes.Buffer)
cmd := exec.Command(d.vmrunPath(), "-T", "fusion", "list")
cmd.Stdout = stdout
if err := cmd.Run(); err != nil {
return false, err
}
for _, line := range strings.Split(stdout.String(), "\n") {
if line == vmxPath {
return true, nil
}
}
return false, nil
}
func (d *Fusion5Driver) Start(vmxPath string) error {
cmd := exec.Command(d.vmrunPath(), "-T", "fusion", "start", vmxPath, "gui")
if err := cmd.Run(); err != nil {
return err
}
return nil
}
func (d *Fusion5Driver) Stop(vmxPath string) error {
cmd := exec.Command(d.vmrunPath(), "-T", "fusion", "stop", vmxPath, "hard")
if err := cmd.Run(); err != nil {
return err
}
return nil
}
func (d *Fusion5Driver) Verify() error {
if _, err := os.Stat(d.AppPath); err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("Fusion application not found at path: %s", d.AppPath)
}
return err
}
if _, err := os.Stat(d.vmrunPath()); err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("Critical application 'vmrun' not found at path: %s", d.vmrunPath())
}
return err
}
if _, err := os.Stat(d.vdiskManagerPath()); err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("Critical application vdisk manager not found at path: %s", d.vdiskManagerPath())
}
return err
}
return nil
}
func (d *Fusion5Driver) vdiskManagerPath() string {
return filepath.Join(d.AppPath, "Contents", "Library", "vmware-vdiskmanager")
}
func (d *Fusion5Driver) vmrunPath() string {
return filepath.Join(d.AppPath, "Contents", "Library", "vmrun")
}