packer-cn/builder/googlecompute/step_teardown_instance.go

84 lines
2.1 KiB
Go

package googlecompute
import (
"context"
"errors"
"fmt"
"time"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
// StepTeardownInstance represents a Packer build step that tears down GCE
// instances.
type StepTeardownInstance struct {
Debug bool
}
// Run executes the Packer build step that tears down a GCE instance.
func (s *StepTeardownInstance) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
name := config.InstanceName
if name == "" {
return multistep.ActionHalt
}
ui.Say("Deleting instance...")
instanceLog, _ := driver.GetSerialPortOutput(config.Zone, name)
state.Put("instance_log", instanceLog)
errCh, err := driver.DeleteInstance(config.Zone, name)
if err == nil {
select {
case err = <-errCh:
case <-time.After(config.StateTimeout.Duration()):
err = errors.New("time out while waiting for instance to delete")
}
}
if err != nil {
ui.Error(fmt.Sprintf(
"Error deleting instance. Please delete it manually.\n\n"+
"Name: %s\n"+
"Error: %s", name, err))
return multistep.ActionHalt
}
ui.Message("Instance has been deleted!")
state.Put("instance_name", "")
return multistep.ActionContinue
}
// Deleting the instance does not remove the boot disk. This cleanup removes
// the disk.
func (s *StepTeardownInstance) Cleanup(state multistep.StateBag) {
config := state.Get("config").(*Config)
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
ui.Say("Deleting disk...")
errCh, err := driver.DeleteDisk(config.Zone, config.DiskName)
if err == nil {
select {
case err = <-errCh:
case <-time.After(config.StateTimeout.Duration()):
err = errors.New("time out while waiting for disk to delete")
}
}
if err != nil {
ui.Error(fmt.Sprintf(
"Error deleting disk. Please delete it manually.\n\n"+
"DiskName: %s\n"+
"Zone: %s\n"+
"Error: %s", config.DiskName, config.Zone, err))
}
ui.Message("Disk has been deleted!")
return
}