package docker import ( "context" "fmt" "github.com/hashicorp/packer/packer-plugin-sdk/multistep" packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer" ) // StepCommit commits the container to a image. type StepCommit struct { imageId string } func (s *StepCommit) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction { ui := state.Get("ui").(packersdk.Ui) config, ok := state.Get("config").(*Config) if !ok { err := fmt.Errorf("error encountered obtaining docker config") state.Put("error", err) ui.Error(err.Error()) return multistep.ActionHalt } driver := state.Get("driver").(Driver) containerId := state.Get("container_id").(string) if config.WindowsContainer { // docker can't commit a running Windows container err := driver.StopContainer(containerId) if err != nil { state.Put("error", err) ui.Error(fmt.Sprintf("Error halting windows container for commit: %s", err.Error())) return multistep.ActionHalt } } ui.Say("Committing the container") imageId, err := driver.Commit(containerId, config.Author, config.Changes, config.Message) if err != nil { state.Put("error", err) ui.Error(err.Error()) return multistep.ActionHalt } // Save the container ID s.imageId = imageId state.Put("image_id", s.imageId) ui.Message(fmt.Sprintf("Image ID: %s", s.imageId)) return multistep.ActionContinue } func (s *StepCommit) Cleanup(state multistep.StateBag) {}