V2 podman image tree

* Basic port of V1 podman image tree ID

TODO: Refactor to return tree from service and format in presentation
layer
TODO: Support tunneling mode

Signed-off-by: Jhon Honce <jhonce@redhat.com>

4 files changed, 27 insertions, 0 deletions

diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go
index 052e7bee5..b6283b6ad 100644
--- a/pkg/domain/entities/engine_image.go
+++ b/pkg/domain/entities/engine_image.go
@@ -23,5 +23,6 @@ type ImageEngine interface {
 	Save(ctx context.Context, nameOrId string, tags []string, options ImageSaveOptions) error
 	Search(ctx context.Context, term string, opts ImageSearchOptions) ([]ImageSearchReport, error)
 	Tag(ctx context.Context, nameOrId string, tags []string, options ImageTagOptions) error
+	Tree(ctx context.Context, nameOrId string, options ImageTreeOptions) (*ImageTreeReport, error)
 	Untag(ctx context.Context, nameOrId string, tags []string, options ImageUntagOptions) error
 }
diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go
index 3a6d159e4..56c4c0ac5 100644
--- a/pkg/domain/entities/images.go
+++ b/pkg/domain/entities/images.go
@@ -273,3 +273,13 @@ type ImageSaveOptions struct {
 	Output   string
 	Quiet    bool
 }
+
+// ImageTreeOptions provides options for ImageEngine.Tree()
+type ImageTreeOptions struct {
+	WhatRequires bool // Show all child images and layers of the specified image
+}
+
+// ImageTreeReport provides results from ImageEngine.Tree()
+type ImageTreeReport struct {
+	Tree string // TODO: Refactor move presentation work out of server
+}
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 0f710ad28..4353e0798 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -476,3 +476,15 @@ func (ir *ImageEngine) Build(ctx context.Context, containerFiles []string, opts
 	}
 	return &entities.BuildReport{ID: id}, nil
 }
+
+func (ir *ImageEngine) Tree(ctx context.Context, nameOrId string, opts entities.ImageTreeOptions) (*entities.ImageTreeReport, error) {
+	img, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrId)
+	if err != nil {
+		return nil, err
+	}
+	results, err := img.GenerateTree(opts.WhatRequires)
+	if err != nil {
+		return nil, err
+	}
+	return &entities.ImageTreeReport{Tree: results}, nil
+}
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 6ea2bd9f2..2decd605d 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -263,3 +263,7 @@ func (ir *ImageEngine) Config(_ context.Context) (*config.Config, error) {
 func (ir *ImageEngine) Build(ctx context.Context, containerFiles []string, opts entities.BuildOptions) (*entities.BuildReport, error) {
 	return nil, errors.New("not implemented yet")
 }
+
+func (ir *ImageEngine) Tree(ctx context.Context, nameOrId string, opts entities.ImageTreeOptions) (*entities.ImageTreeReport, error) {
+	return nil, errors.New("not implemented yet")
+}