package openstack import ( "fmt" "log" "github.com/gophercloud/gophercloud/openstack/compute/v2/flavors" "github.com/hashicorp/packer/packer" "github.com/mitchellh/multistep" ) // StepLoadFlavor gets the FlavorRef from a Flavor. It first assumes // that the Flavor is a ref and verifies it. Otherwise, it tries to find // the flavor by name. type StepLoadFlavor struct { Flavor string } func (s *StepLoadFlavor) Run(state multistep.StateBag) multistep.StepAction { config := state.Get("config").(Config) ui := state.Get("ui").(packer.Ui) // We need the v2 compute client client, err := config.computeV2Client() if err != nil { err = fmt.Errorf("Error initializing compute client: %s", err) state.Put("error", err) return multistep.ActionHalt } ui.Say(fmt.Sprintf("Loading flavor: %s", s.Flavor)) log.Printf("[INFO] Loading flavor by ID: %s", s.Flavor) flavor, err := flavors.Get(client, s.Flavor).Extract() if err != nil { log.Printf("[ERROR] Failed to find flavor by ID: %s", err) geterr := err log.Printf("[INFO] Loading flavor by name: %s", s.Flavor) id, err := flavors.IDFromName(client, s.Flavor) if err != nil { log.Printf("[ERROR] Failed to find flavor by name: %s", err) err = fmt.Errorf( "Unable to find specified flavor by ID or name!\n\n"+ "Error from ID lookup: %s\n\n"+ "Error from name lookup: %s", geterr, err) state.Put("error", err) return multistep.ActionHalt } flavor = &flavors.Flavor{ID: id} } ui.Message(fmt.Sprintf("Verified flavor. ID: %s", flavor.ID)) state.Put("flavor_id", flavor.ID) return multistep.ActionContinue } func (s *StepLoadFlavor) Cleanup(state multistep.StateBag) { }