github.com/amanya/packer@v0.12.1-0.20161117214323-902ac5ab2eb6/builder/googlecompute/step_teardown_instance.go (about) 1 package googlecompute 2 3 import ( 4 "errors" 5 "fmt" 6 "time" 7 8 "github.com/mitchellh/multistep" 9 "github.com/mitchellh/packer/packer" 10 ) 11 12 // StepTeardownInstance represents a Packer build step that tears down GCE 13 // instances. 14 type StepTeardownInstance struct { 15 Debug bool 16 } 17 18 // Run executes the Packer build step that tears down a GCE instance. 19 func (s *StepTeardownInstance) Run(state multistep.StateBag) multistep.StepAction { 20 config := state.Get("config").(*Config) 21 driver := state.Get("driver").(Driver) 22 ui := state.Get("ui").(packer.Ui) 23 24 name := config.InstanceName 25 if name == "" { 26 return multistep.ActionHalt 27 } 28 29 ui.Say("Deleting instance...") 30 instanceLog, _ := driver.GetSerialPortOutput(config.Zone, name) 31 state.Put("instance_log", instanceLog) 32 errCh, err := driver.DeleteInstance(config.Zone, name) 33 if err == nil { 34 select { 35 case err = <-errCh: 36 case <-time.After(config.stateTimeout): 37 err = errors.New("time out while waiting for instance to delete") 38 } 39 } 40 41 if err != nil { 42 ui.Error(fmt.Sprintf( 43 "Error deleting instance. Please delete it manually.\n\n"+ 44 "Name: %s\n"+ 45 "Error: %s", name, err)) 46 return multistep.ActionHalt 47 } 48 ui.Message("Instance has been deleted!") 49 state.Put("instance_name", "") 50 51 return multistep.ActionContinue 52 } 53 54 // Deleting the instance does not remove the boot disk. This cleanup removes 55 // the disk. 56 func (s *StepTeardownInstance) Cleanup(state multistep.StateBag) { 57 config := state.Get("config").(*Config) 58 driver := state.Get("driver").(Driver) 59 ui := state.Get("ui").(packer.Ui) 60 61 ui.Say("Deleting disk...") 62 errCh, err := driver.DeleteDisk(config.Zone, config.DiskName) 63 if err == nil { 64 select { 65 case err = <-errCh: 66 case <-time.After(config.stateTimeout): 67 err = errors.New("time out while waiting for disk to delete") 68 } 69 } 70 71 if err != nil { 72 ui.Error(fmt.Sprintf( 73 "Error deleting disk. Please delete it manually.\n\n"+ 74 "DiskName: %s\n"+ 75 "Zone: %s\n"+ 76 "Error: %s", config.DiskName, config.Zone, err)) 77 } 78 79 ui.Message("Disk has been deleted!") 80 81 return 82 }