LCOW: Rework after 33454 merged which refactored daemon/builder interface

Signed-off-by: John Howard <jhoward@microsoft.com>
Upstream-commit: 3a09b56a10960fb740182d2a12e907f2e80b54c8
Component: engine

components/engine/builder/builder.go

@@ -43,7 +43,7 @@ type Backend interface {
 	// ContainerCreateWorkdir creates the workdir
 	ContainerCreateWorkdir(containerID string) error
 
-	CreateImage(config []byte, parent string) (Image, error)
+	CreateImage(config []byte, parent string, platform string) (Image, error)
 
 	ImageCacheBuilder
 }
@@ -100,6 +100,6 @@ type Image interface {
 type ReleaseableLayer interface {
 	Release() error
 	Mount() (string, error)
-	Commit() (ReleaseableLayer, error)
+	Commit(platform string) (ReleaseableLayer, error)
 	DiffID() layer.DiffID
 }

components/engine/builder/dockerfile/internals.go

@@ -65,7 +65,7 @@ func (b *Builder) commitContainer(dispatchState *dispatchState, id string, conta
 }
 
 func (b *Builder) exportImage(state *dispatchState, imageMount *imageMount, runConfig *container.Config) error {
-	newLayer, err := imageMount.Layer().Commit()
+	newLayer, err := imageMount.Layer().Commit(b.platform)
 	if err != nil {
 		return err
 	}
@@ -93,7 +93,7 @@ func (b *Builder) exportImage(state *dispatchState, imageMount *imageMount, runC
 		return errors.Wrap(err, "failed to encode image config")
 	}
 
-	exportedImage, err := b.docker.CreateImage(config, state.imageID)
+	exportedImage, err := b.docker.CreateImage(config, state.imageID, parentImage.OS)
 	if err != nil {
 		return errors.Wrapf(err, "failed to export image")
 	}

components/engine/builder/dockerfile/mockbackend_test.go

@@ -78,7 +78,7 @@ func (m *MockBackend) MakeImageCache(cacheFrom []string, platform string) builde
 	return nil
 }
 
-func (m *MockBackend) CreateImage(config []byte, parent string) (builder.Image, error) {
+func (m *MockBackend) CreateImage(config []byte, parent string, platform string) (builder.Image, error) {
 	return nil, nil
 }
 
@@ -121,7 +121,7 @@ func (l *mockLayer) Mount() (string, error) {
 	return "mountPath", nil
 }
 
-func (l *mockLayer) Commit() (builder.ReleaseableLayer, error) {
+func (l *mockLayer) Commit(string) (builder.ReleaseableLayer, error) {
 	return nil, nil
 }