feat: backend executor implement

internal/daemonserver/server.go

@@ -25,6 +25,7 @@ const maximumRequestBytes = 1 << 20
 type backendUpdater interface {
 	UpdateRepack(context.Context, string, backendupdate.ProgressReporter) (transaction.Transaction, error)
 	UpdateNativeJAR(context.Context, string, backendupdate.ProgressReporter) (transaction.Transaction, error)
+	UpdateContainerImage(context.Context, string, backendupdate.ProgressReporter) (transaction.Transaction, error)
 	Restart(context.Context, backendupdate.ProgressReporter) (transaction.Transaction, error)
 }
 
@@ -124,15 +125,29 @@ func (s *Server) handle(ctx context.Context, connection net.Conn) {
 	case daemonapi.OperationUpdate:
 		switch request.InputType {
 		case daemonapi.InputTypeRepackZIP:
+			if request.File == "" || request.ImageReference != "" {
+				_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "repack-zip requires file and does not accept imageReference"})
+				return
+			}
 			record, updateErr = s.updater.UpdateRepack(ctx, request.File, report)
 		case daemonapi.InputTypeNativeJAR:
+			if request.File == "" || request.ImageReference != "" {
+				_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "native-jar requires file and does not accept imageReference"})
+				return
+			}
 			record, updateErr = s.updater.UpdateNativeJAR(ctx, request.File, report)
+		case daemonapi.InputTypeContainerImage:
+			if request.File != "" || request.ImageReference == "" {
+				_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "container-image requires imageReference and does not accept file"})
+				return
+			}
+			record, updateErr = s.updater.UpdateContainerImage(ctx, request.ImageReference, report)
 		default:
-			_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "inputType must be repack-zip or native-jar"})
+			_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "inputType must be repack-zip, native-jar, or container-image"})
 			return
 		}
 	case daemonapi.OperationRestart:
-		if request.InputType != "" || request.File != "" {
+		if request.InputType != "" || request.File != "" || request.ImageReference != "" {
 			_ = s.writeResponse(connection, daemonapi.Response{Kind: daemonapi.ResponseResult, Error: "restart does not accept inputType or file"})
 			return
 		}
@@ -172,7 +187,7 @@ func decodeRequest(reader io.Reader) (daemonapi.Request, error) {
 		}
 		return daemonapi.Request{}, fmt.Errorf("decode daemon request trailing content: %w", err)
 	}
-	if strings.TrimSpace(request.Operation) != request.Operation || strings.TrimSpace(request.Service) != request.Service || strings.TrimSpace(request.InputType) != request.InputType || strings.TrimSpace(request.File) != request.File {
+	if strings.TrimSpace(request.Operation) != request.Operation || strings.TrimSpace(request.Service) != request.Service || strings.TrimSpace(request.InputType) != request.InputType || strings.TrimSpace(request.File) != request.File || strings.TrimSpace(request.ImageReference) != request.ImageReference {
 		return daemonapi.Request{}, errors.New("daemon request fields must not contain surrounding whitespace")
 	}
 	return request, nil

internal/daemonserver/server_test.go

@@ -84,6 +84,29 @@ func TestServerAcceptsDirectNativeJARThroughUnixSocket(t *testing.T) {
 	}
 }
 
+func TestServerAcceptsContainerImageThroughUnixSocket(t *testing.T) {
+	socketPath := shortSocketPath(t)
+	updater := &fakeUpdater{record: transaction.Transaction{ID: "transaction-container-01", State: transaction.StateCommitted}}
+	server, err := New(socketPath, updater, slog.New(slog.NewTextHandler(io.Discard, nil)))
+	if err != nil {
+		t.Fatalf("create daemon server: %v", err)
+	}
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	serveResult := make(chan error, 1)
+	go func() { serveResult <- server.Serve(ctx) }()
+	waitForSocket(t, socketPath, serveResult)
+
+	imageReference := "harbor.ymswell.asia/ymswell/glory-ymswell:20260813-184902-a37bf50d-v1.1.8.1"
+	response, err := daemonclient.UpdateContainerImage(context.Background(), socketPath, "backend", imageReference, nil)
+	if err != nil {
+		t.Fatalf("submit container backend image: %v", err)
+	}
+	if response.TransactionID != updater.record.ID || updater.file != imageReference || updater.inputType != daemonapi.InputTypeContainerImage {
+		t.Fatalf("unexpected container update dispatch: response=%+v image=%s inputType=%s", response, updater.file, updater.inputType)
+	}
+}
+
 func TestServerReturnsTransactionFailure(t *testing.T) {
 	socketPath := shortSocketPath(t)
 	updater := &fakeUpdater{
@@ -194,6 +217,16 @@ func (u *fakeUpdater) UpdateNativeJAR(_ context.Context, file string, report bac
 	return u.record, u.err
 }
 
+func (u *fakeUpdater) UpdateContainerImage(_ context.Context, imageReference string, report backendupdate.ProgressReporter) (transaction.Transaction, error) {
+	u.file = imageReference
+	u.inputType = daemonapi.InputTypeContainerImage
+	u.operation = daemonapi.OperationUpdate
+	if report != nil {
+		report(backendupdate.Progress{TransactionID: u.record.ID, State: transaction.StateStarting, Message: "test update progress"})
+	}
+	return u.record, u.err
+}
+
 func (u *fakeUpdater) Restart(_ context.Context, report backendupdate.ProgressReporter) (transaction.Transaction, error) {
 	u.operation = daemonapi.OperationRestart
 	if report != nil {