packer-cn/builder/vmware/common/step_usb_boot_command.go

127 lines
3.0 KiB
Go

package common
import (
"context"
"fmt"
"time"
"github.com/hashicorp/packer/common/bootcommand"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
"golang.org/x/mobile/event/key"
)
// This step "types" the boot command into the VM using USB Scan Codes.
type StepUSBBootCommand struct {
Config bootcommand.BootConfig
KeyInterval time.Duration
VMName string
Ctx interpolate.Context
}
type USBBootCommandTemplateData struct {
HTTPIP string
HTTPPort int
Name string
}
func (s *StepUSBBootCommand) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
debug := state.Get("debug").(bool)
ui := state.Get("ui").(packer.Ui)
driver := state.Get("driver").(*ESX5Driver)
if s.Config.BootCommand == nil {
return multistep.ActionContinue
}
// Wait the for the vm to boot.
if int64(s.Config.BootWait) > 0 {
ui.Say(fmt.Sprintf("Waiting %s for boot...", s.Config.BootWait.String()))
select {
case <-time.After(s.Config.BootWait):
break
case <-ctx.Done():
return multistep.ActionHalt
}
}
var pauseFn multistep.DebugPauseFn
if debug {
pauseFn = state.Get("pauseFn").(multistep.DebugPauseFn)
}
port := state.Get("http_port").(int)
if port > 0 {
ip := state.Get("http_ip").(string)
s.Ctx.Data = &USBBootCommandTemplateData{
HTTPIP: ip,
HTTPPort: port,
Name: s.VMName,
}
ui.Say(fmt.Sprintf("HTTP server is working at http://%v:%v/", ip, port))
}
var keyAlt, keyCtrl, keyShift bool
sendCodes := func(code key.Code, down bool) error {
switch code {
case key.CodeLeftAlt:
keyAlt = down
case key.CodeLeftControl:
keyCtrl = down
case key.CodeLeftShift:
keyShift = down
}
shift := down
if keyShift {
shift = keyShift
}
_, err := driver.TypeOnKeyboard(KeyInput{
Scancode: code,
Ctrl: keyCtrl,
Alt: keyAlt,
Shift: shift,
})
if err != nil {
return fmt.Errorf("error typing a boot command (code, down) `%d, %t`: %w", code, down, err)
}
return nil
}
d := bootcommand.NewUSBDriver(sendCodes, s.KeyInterval)
ui.Say("Typing boot command...")
flatBootCommand := s.Config.FlatBootCommand()
command, err := interpolate.Render(flatBootCommand, &s.Ctx)
if err != nil {
err := fmt.Errorf("Error preparing boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
seq, err := bootcommand.GenerateExpressionSequence(command)
if err != nil {
err := fmt.Errorf("Error generating boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if err := seq.Do(ctx, d); err != nil {
err := fmt.Errorf("Error running boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if pauseFn != nil {
pauseFn(multistep.DebugLocationAfterRun, fmt.Sprintf("boot_command: %s", command), state)
}
return multistep.ActionContinue
}
func (*StepUSBBootCommand) Cleanup(multistep.StateBag) {}