podman-remote image tree

add the ability for the podman-remote client to be able to print an
image tree.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/pkg/adapter/images_remote.go b/pkg/adapter/images_remote.go
index e7b38dccc..722058d4a 100644
--- a/pkg/adapter/images_remote.go
+++ b/pkg/adapter/images_remote.go
@@ -6,8 +6,11 @@ import (
 	"context"
 	"encoding/json"
 
+	"github.com/containers/libpod/cmd/podman/cliconfig"
 	iopodman "github.com/containers/libpod/cmd/podman/varlink"
+	"github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/inspect"
+	"github.com/pkg/errors"
 )
 
 // Inspect returns returns an ImageData struct from over a varlink connection
@@ -22,3 +25,32 @@ func (i *ContainerImage) Inspect(ctx context.Context) (*inspect.ImageData, error
 	}
 	return &data, nil
 }
+
+// Tree ...
+func (r *LocalRuntime) Tree(c *cliconfig.TreeValues) (*image.InfoImage, map[string]*image.LayerInfo, *ContainerImage, error) {
+	layerInfoMap := make(map[string]*image.LayerInfo)
+	imageInfo := &image.InfoImage{}
+
+	img, err := r.NewImageFromLocal(c.InputArgs[0])
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	reply, err := iopodman.GetLayersMapWithImageInfo().Call(r.Conn)
+	if err != nil {
+		return nil, nil, nil, errors.Wrap(err, "failed to obtain image layers")
+	}
+	if err := json.Unmarshal([]byte(reply), &layerInfoMap); err != nil {
+		return nil, nil, nil, errors.Wrap(err, "failed to unmarshal image layers")
+	}
+
+	reply, err = iopodman.BuildImageHierarchyMap().Call(r.Conn, c.InputArgs[0])
+	if err != nil {
+		return nil, nil, nil, errors.Wrap(err, "failed to get build image map")
+	}
+	if err := json.Unmarshal([]byte(reply), imageInfo); err != nil {
+		return nil, nil, nil, errors.Wrap(err, "failed to unmarshal build image map")
+	}
+
+	return imageInfo, layerInfoMap, img, nil
+}