package googlecompute import ( "errors" "fmt" "time" "github.com/mitchellh/multistep" "github.com/mitchellh/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(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): 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): 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 }