github.com/amanya/packer@v0.12.1-0.20161117214323-902ac5ab2eb6/builder/openstack/step_stop_server.go (about) 1 package openstack 2 3 import ( 4 "fmt" 5 6 "github.com/mitchellh/multistep" 7 "github.com/mitchellh/packer/packer" 8 "github.com/rackspace/gophercloud/openstack/compute/v2/extensions/startstop" 9 "github.com/rackspace/gophercloud/openstack/compute/v2/servers" 10 ) 11 12 type StepStopServer struct{} 13 14 func (s *StepStopServer) Run(state multistep.StateBag) multistep.StepAction { 15 ui := state.Get("ui").(packer.Ui) 16 config := state.Get("config").(Config) 17 extensions := state.Get("extensions").(map[string]struct{}) 18 server := state.Get("server").(*servers.Server) 19 20 // Verify we have the extension 21 if _, ok := extensions["os-server-start-stop"]; !ok { 22 ui.Say("OpenStack cluster doesn't support stop, skipping...") 23 return multistep.ActionContinue 24 } 25 26 // We need the v2 compute client 27 client, err := config.computeV2Client() 28 if err != nil { 29 err = fmt.Errorf("Error initializing compute client: %s", err) 30 state.Put("error", err) 31 return multistep.ActionHalt 32 } 33 34 ui.Say(fmt.Sprintf("Stopping server: %s ...", server.ID)) 35 if err := startstop.Stop(client, server.ID).ExtractErr(); err != nil { 36 err = fmt.Errorf("Error stopping server: %s", err) 37 state.Put("error", err) 38 return multistep.ActionHalt 39 } 40 41 ui.Message(fmt.Sprintf("Waiting for server to stop: %s ...", server.ID)) 42 stateChange := StateChangeConf{ 43 Pending: []string{"ACTIVE"}, 44 Target: []string{"SHUTOFF", "STOPPED"}, 45 Refresh: ServerStateRefreshFunc(client, server), 46 StepState: state, 47 } 48 if _, err := WaitForState(&stateChange); err != nil { 49 err := fmt.Errorf("Error waiting for server (%s) to stop: %s", server.ID, err) 50 state.Put("error", err) 51 ui.Error(err.Error()) 52 return multistep.ActionHalt 53 } 54 55 return multistep.ActionContinue 56 } 57 58 func (s *StepStopServer) Cleanup(state multistep.StateBag) {}