mirror of https://github.com/docker/docs.git
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
package virtualbox
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import (
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"bytes"
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"errors"
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"fmt"
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"os/exec"
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"regexp"
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"strings"
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"github.com/docker/machine/libmachine/log"
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)
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var (
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reColonLine = regexp.MustCompile(`(.+):\s+(.*)`)
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reEqualLine = regexp.MustCompile(`(.+)=(.*)`)
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reEqualQuoteLine = regexp.MustCompile(`"(.+)"="(.*)"`)
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reMachineNotFound = regexp.MustCompile(`Could not find a registered machine named '(.+)'`)
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ErrMachineNotExist = errors.New("machine does not exist")
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ErrVBMNotFound = errors.New("VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path")
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vboxManageCmd = detectVBoxManageCmd()
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)
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// VBoxManager defines the interface to communicate to VirtualBox.
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type VBoxManager interface {
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vbm(args ...string) error
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vbmOut(args ...string) (string, error)
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vbmOutErr(args ...string) (string, string, error)
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}
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// VBoxCmdManager communicates with VirtualBox through the commandline using `VBoxManage`.
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type VBoxCmdManager struct{}
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func (v *VBoxCmdManager) vbm(args ...string) error {
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_, _, err := v.vbmOutErr(args...)
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return err
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}
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func (v *VBoxCmdManager) vbmOut(args ...string) (string, error) {
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stdout, _, err := v.vbmOutErr(args...)
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return stdout, err
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}
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func (v *VBoxCmdManager) vbmOutErr(args ...string) (string, string, error) {
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cmd := exec.Command(vboxManageCmd, args...)
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log.Debugf("COMMAND: %v %v", vboxManageCmd, strings.Join(args, " "))
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var stdout bytes.Buffer
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var stderr bytes.Buffer
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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err := cmd.Run()
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stderrStr := stderr.String()
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if len(args) > 0 {
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log.Debugf("STDOUT:\n{\n%v}", stdout.String())
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log.Debugf("STDERR:\n{\n%v}", stderrStr)
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}
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if err != nil {
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if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound {
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err = ErrVBMNotFound
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}
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}
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if err == nil || strings.HasPrefix(err.Error(), "exit status ") {
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// VBoxManage will sometimes not set the return code, but has a fatal error
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// such as VBoxManage.exe: error: VT-x is not available. (VERR_VMX_NO_VMX)
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if strings.Contains(stderrStr, "error:") {
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err = fmt.Errorf("%v %v failed:\n%v", vboxManageCmd, strings.Join(args, " "), stderrStr)
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}
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}
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return stdout.String(), stderrStr, err
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}
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