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>

1 files changed, 7 insertions, 74 deletions

diff --git a/cmd/podman/images.go b/cmd/podman/images.go
index 6b16272f4..e42546a55 100644
--- a/cmd/podman/images.go
+++ b/cmd/podman/images.go
@@ -5,14 +5,12 @@ import (
 	"fmt"
 	"reflect"
 	"sort"
-	"strconv"
 	"strings"
 	"time"
 	"unicode"
 
 	"github.com/containers/buildah/pkg/formats"
 	"github.com/containers/libpod/cmd/podman/cliconfig"
-	"github.com/containers/libpod/cmd/podman/imagefilters"
 	"github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/adapter"
 	"github.com/docker/go-units"
@@ -138,10 +136,10 @@ func init() {
 
 func imagesCmd(c *cliconfig.ImagesValues) error {
 	var (
-		filterFuncs []imagefilters.ResultFilter
-		image       string
+		image string
 	)
 
+	ctx := getContext()
 	runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
 	if err != nil {
 		return errors.Wrapf(err, "Could not get runtime")
@@ -156,15 +154,9 @@ func imagesCmd(c *cliconfig.ImagesValues) error {
 	if len(c.Filter) > 0 && image != "" {
 		return errors.New("can not specify an image and a filter")
 	}
-	ctx := getContext()
-
-	if len(c.Filter) > 0 {
-		filterFuncs, err = CreateFilterFuncs(ctx, runtime, c.Filter, nil)
-	} else {
-		filterFuncs, err = CreateFilterFuncs(ctx, runtime, []string{fmt.Sprintf("reference=%s", image)}, nil)
-	}
-	if err != nil {
-		return err
+	filters := c.Filter
+	if len(filters) < 1 {
+		filters = append(filters, fmt.Sprintf("reference=%s", image))
 	}
 
 	opts := imagesOptions{
@@ -179,26 +171,17 @@ func imagesCmd(c *cliconfig.ImagesValues) error {
 	}
 
 	opts.outputformat = opts.setOutputFormat()
-	images, err := runtime.GetImages()
+	filteredImages, err := runtime.GetFilteredImages(filters, false)
 	if err != nil {
 		return errors.Wrapf(err, "unable to get images")
 	}
 
-	for _, image := range images {
+	for _, image := range filteredImages {
 		if image.IsReadOnly() {
 			opts.outputformat += "{{.ReadOnly}}\t"
 			break
 		}
 	}
-
-	var filteredImages []*adapter.ContainerImage
-	//filter the images
-	if len(c.Filter) > 0 || len(c.InputArgs) == 1 {
-		filteredImages = imagefilters.FilterImages(images, filterFuncs)
-	} else {
-		filteredImages = images
-	}
-
 	return generateImagesOutput(ctx, filteredImages, opts)
 }
 
@@ -392,53 +375,3 @@ func GenImageOutputMap() map[string]string {
 	}
 	return values
 }
-
-// CreateFilterFuncs returns an array of filter functions based on the user inputs
-// and is later used to filter images for output
-func CreateFilterFuncs(ctx context.Context, r *adapter.LocalRuntime, filters []string, img *adapter.ContainerImage) ([]imagefilters.ResultFilter, error) {
-	var filterFuncs []imagefilters.ResultFilter
-	for _, filter := range filters {
-		splitFilter := strings.Split(filter, "=")
-		if len(splitFilter) < 2 {
-			return nil, errors.Errorf("invalid filter syntax %s", filter)
-		}
-		switch splitFilter[0] {
-		case "before":
-			before, err := r.NewImageFromLocal(splitFilter[1])
-			if err != nil {
-				return nil, errors.Wrapf(err, "unable to find image %s in local stores", splitFilter[1])
-			}
-			filterFuncs = append(filterFuncs, imagefilters.CreatedBeforeFilter(before.Created()))
-		case "after":
-			after, err := r.NewImageFromLocal(splitFilter[1])
-			if err != nil {
-				return nil, errors.Wrapf(err, "unable to find image %s in local stores", splitFilter[1])
-			}
-			filterFuncs = append(filterFuncs, imagefilters.CreatedAfterFilter(after.Created()))
-		case "readonly":
-			readonly, err := strconv.ParseBool(splitFilter[1])
-			if err != nil {
-				return nil, errors.Wrapf(err, "invalid filter readonly=%s", splitFilter[1])
-			}
-			filterFuncs = append(filterFuncs, imagefilters.ReadOnlyFilter(readonly))
-		case "dangling":
-			danglingImages, err := strconv.ParseBool(splitFilter[1])
-			if err != nil {
-				return nil, errors.Wrapf(err, "invalid filter dangling=%s", splitFilter[1])
-			}
-			filterFuncs = append(filterFuncs, imagefilters.DanglingFilter(danglingImages))
-		case "label":
-			labelFilter := strings.Join(splitFilter[1:], "=")
-			filterFuncs = append(filterFuncs, imagefilters.LabelFilter(ctx, labelFilter))
-		case "reference":
-			referenceFilter := strings.Join(splitFilter[1:], "=")
-			filterFuncs = append(filterFuncs, imagefilters.ReferenceFilter(ctx, referenceFilter))
-		default:
-			return nil, errors.Errorf("invalid filter %s ", splitFilter[0])
-		}
-	}
-	if img != nil {
-		filterFuncs = append(filterFuncs, imagefilters.OutputImageFilter(img))
-	}
-	return filterFuncs, nil
-}