move image filters under libpod/images

to make things more effecient for the api work we are doing, we should
process image filters internally (as opposed to in main).  this allows
for better api responses and more closely affiliated functions.

Signed-off-by: baude <bbaude@redhat.com>

3 files changed, 64 insertions, 7 deletions

diff --git a/pkg/adapter/runtime.go b/pkg/adapter/runtime.go
index 069283bde..ac843b655 100644
--- a/pkg/adapter/runtime.go
+++ b/pkg/adapter/runtime.go
@@ -84,6 +84,15 @@ func getRuntime(runtime *libpod.Runtime) (*LocalRuntime, error) {
 	}, nil
 }
 
+// GetFilterImages returns a slice of images in containerimages that are "filtered"
+func (r *LocalRuntime) GetFilteredImages(filters []string, rwOnly bool) ([]*ContainerImage, error) {
+	images, err := r.ImageRuntime().GetImagesWithFilters(filters)
+	if err != nil {
+		return nil, err
+	}
+	return r.ImagestoContainerImages(images, rwOnly)
+}
+
 // GetImages returns a slice of images in containerimages
 func (r *LocalRuntime) GetImages() ([]*ContainerImage, error) {
 	return r.getImages(false)
@@ -95,11 +104,15 @@ func (r *LocalRuntime) GetRWImages() ([]*ContainerImage, error) {
 }
 
 func (r *LocalRuntime) getImages(rwOnly bool) ([]*ContainerImage, error) {
-	var containerImages []*ContainerImage
 	images, err := r.Runtime.ImageRuntime().GetImages()
 	if err != nil {
 		return nil, err
 	}
+	return r.ImagestoContainerImages(images, rwOnly)
+}
+
+func (r *LocalRuntime) ImagestoContainerImages(images []*image.Image, rwOnly bool) ([]*ContainerImage, error) {
+	var containerImages []*ContainerImage
 	for _, i := range images {
 		if rwOnly && i.IsReadOnly() {
 			continue
diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go
index f9232897c..87b4999ce 100644
--- a/pkg/adapter/runtime_remote.go
+++ b/pkg/adapter/runtime_remote.go
@@ -200,6 +200,28 @@ func (r *LocalRuntime) GetRWImages() ([]*ContainerImage, error) {
 	return r.getImages(true)
 }
 
+func (r *LocalRuntime) GetFilteredImages(filters []string, rwOnly bool) ([]*ContainerImage, error) {
+	var newImages []*ContainerImage
+	images, err := iopodman.ListImagesWithFilters().Call(r.Conn, filters)
+	if err != nil {
+		return nil, err
+	}
+	for _, i := range images {
+		if rwOnly && i.ReadOnly {
+			continue
+		}
+		name := i.Id
+		if len(i.RepoTags) > 1 {
+			name = i.RepoTags[0]
+		}
+		newImage, err := imageInListToContainerImage(i, name, r)
+		if err != nil {
+			return nil, err
+		}
+		newImages = append(newImages, newImage)
+	}
+	return newImages, nil
+}
 func (r *LocalRuntime) getImages(rwOnly bool) ([]*ContainerImage, error) {
 	var newImages []*ContainerImage
 	images, err := iopodman.ListImages().Call(r.Conn)
diff --git a/pkg/varlinkapi/images.go b/pkg/varlinkapi/images.go
index 604a455a5..1d46c5b71 100644
--- a/pkg/varlinkapi/images.go
+++ b/pkg/varlinkapi/images.go
@@ -35,26 +35,34 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-// ListImages lists all the images in the store
-// It requires no inputs.
-func (i *LibpodAPI) ListImages(call iopodman.VarlinkCall) error {
-	images, err := i.Runtime.ImageRuntime().GetImages()
+// ListImagesWithFilters returns a list of images that have been filtered
+func (i *LibpodAPI) ListImagesWithFilters(call iopodman.VarlinkCall, filters []string) error {
+	images, err := i.Runtime.ImageRuntime().GetImagesWithFilters(filters)
 	if err != nil {
 		return call.ReplyErrorOccurred(fmt.Sprintf("unable to get list of images %q", err))
 	}
+	imageList, err := imagesToImageList(images)
+	if err != nil {
+		return call.ReplyErrorOccurred(fmt.Sprintf("unable to parse response", err))
+	}
+	return call.ReplyListImagesWithFilters(imageList)
+}
+
+// imagesToImageList converts a slice of Images to an imagelist for varlink responses
+func imagesToImageList(images []*image.Image) ([]iopodman.Image, error) {
 	var imageList []iopodman.Image
 	for _, image := range images {
 		labels, _ := image.Labels(getContext())
 		containers, _ := image.Containers()
 		repoDigests, err := image.RepoDigests()
 		if err != nil {
-			return err
+			return nil, err
 		}
 
 		size, _ := image.Size(getContext())
 		isParent, err := image.IsParent(context.TODO())
 		if err != nil {
-			return call.ReplyErrorOccurred(err.Error())
+			return nil, err
 		}
 
 		i := iopodman.Image{
@@ -74,6 +82,20 @@ func (i *LibpodAPI) ListImages(call iopodman.VarlinkCall) error {
 		}
 		imageList = append(imageList, i)
 	}
+	return imageList, nil
+}
+
+// ListImages lists all the images in the store
+// It requires no inputs.
+func (i *LibpodAPI) ListImages(call iopodman.VarlinkCall) error {
+	images, err := i.Runtime.ImageRuntime().GetImages()
+	if err != nil {
+		return call.ReplyErrorOccurred(fmt.Sprintf("unable to get list of images %q", err))
+	}
+	imageList, err := imagesToImageList(images)
+	if err != nil {
+		return call.ReplyErrorOccurred(fmt.Sprintf("unable to parse response", err))
+	}
 	return call.ReplyListImages(imageList)
 }