// Execute executes a raw Vagrant command.
func (v *Vagrant) Execute(commandRaw ...string) error {
vagrantMutex.Lock()
defer vagrantMutex.Unlock()
if v.Env == nil {
v.Env = make(map[string]string)
}
// Where to store data
v.Env[vagrantDataDirEnvVar] = v.DataDir
// Make sure we use our cwd properly
v.Env[vagrantCwdEnvVar] = v.Dir
// Build up the environment
env := os.Environ()
for k, v := range v.Env {
env = append(env, fmt.Sprintf("%s=%s", k, v))
}
// Build the args
command := make([]string, len(commandRaw)+1)
command[0] = "--machine-readable"
copy(command[1:], commandRaw)
// Build the command to execute
cmd := exec.Command("vagrant", command...)
cmd.Dir = v.Dir
cmd.Env = env
// Build our custom UI that we'll use that'll call the registered
// callbacks as well as streaming data to the UI.
callbacks := make(map[string]OutputCallback)
callbacks["invalid"] = v.uiCallback
callbacks["ui"] = v.uiCallback
for n, cb := range v.Callbacks {
callbacks[n] = cb
}
ui := &vagrantUi{Callbacks: callbacks}
// Run it with the execHelper
err := execHelper.Run(ui, cmd)
ui.Finish()
if err != nil {
return fmt.Errorf(
"Error executing Vagrant: %s\n\n"+
"The error messages from Vagrant are usually very informative.\n"+
"Please read it carefully and fix any issues it mentions. If\n"+
"the message isn't clear, please report this to the Otto project.",
err)
}
return nil
}
// Execute executes a raw Packer command.
func (p *Packer) Execute(commandRaw ...string) error {
varfile, err := p.varfile()
if err != nil {
return err
}
if execHelper.ShouldCleanup() {
defer os.Remove(varfile)
}
// The command must always be machine-readable. We use this
// exclusively to mirror the UI output.
command := make([]string, len(commandRaw)+3)
command[0] = commandRaw[0]
command[1] = "-machine-readable"
command[2] = "-var-file"
command[3] = varfile
copy(command[4:], commandRaw[1:])
// Build the command to execute
path := "packer"
if p.Path != "" {
path = p.Path
}
cmd := exec.Command(path, command...)
cmd.Dir = p.Dir
// Build our custom UI that we'll use that'll call the registered
// callbacks as well as streaming data to the UI.
callbacks := make(map[string]OutputCallback)
callbacks["ui"] = p.uiCallback
for n, cb := range p.Callbacks {
callbacks[n] = cb
}
ui := &packerUi{Callbacks: callbacks}
// Execute!
err = execHelper.Run(ui, cmd)
ui.Finish()
if err != nil {
return fmt.Errorf(
"Error executing Packer: %s\n\n"+
"The error messages from Packer are usually very informative.\n"+
"Please read it carefully and fix any issues it mentions. If\n"+
"the message isn't clear, please report this to the Otto project.",
err)
}
return nil
}
