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vmrun.go
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vmrun.go
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/*
* Copyright 2014 VMware, Inc. All rights reserved. Licensed under the Apache v2 License.
*/
package vmwarefusion
import (
"bytes"
"errors"
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/docker/machine/libmachine/log"
)
var (
vmrunbin = setVmwareCmd("vmrun")
vdiskmanbin = setVmwareCmd("vmware-vdiskmanager")
)
var (
ErrMachineExist = errors.New("machine already exists")
ErrMachineNotExist = errors.New("machine does not exist")
ErrVMRUNNotFound = errors.New("VMRUN not found")
)
// detect the vmrun and vmware-vdiskmanager cmds' path if needed
func setVmwareCmd(cmd string) string {
if path, err := exec.LookPath(cmd); err == nil {
return path
}
return filepath.Join("/Applications/VMware Fusion.app/Contents/Library/", cmd)
}
func vmrun(args ...string) (string, string, error) {
cmd := exec.Command(vmrunbin, args...)
if os.Getenv("MACHINE_DEBUG") != "" {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
var stdout bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout, cmd.Stderr = &stdout, &stderr
log.Debugf("executing: %v %v", vmrunbin, strings.Join(args, " "))
err := cmd.Run()
if err != nil {
if ee, ok := err.(*exec.Error); ok && ee == exec.ErrNotFound {
err = ErrVMRUNNotFound
}
}
return stdout.String(), stderr.String(), err
}
// Make a vmdk disk image with the given size (in MB).
func vdiskmanager(dest string, size int) error {
cmd := exec.Command(vdiskmanbin, "-c", "-t", "0", "-s", fmt.Sprintf("%dMB", size), "-a", "lsilogic", dest)
if os.Getenv("MACHINE_DEBUG") != "" {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
if stdout := cmd.Run(); stdout != nil {
if ee, ok := stdout.(*exec.Error); ok && ee == exec.ErrNotFound {
return ErrVMRUNNotFound
}
}
return nil
}