podmanV2: implement search

Also implement a new libpod endpoint to add more parameters and to
prevent us from converting between slices and maps and make use of
the filter parsing in the image backend.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

4 files changed, 71 insertions, 0 deletions

diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go
index 16b96e9ef..3110898a8 100644
--- a/pkg/domain/entities/engine_image.go
+++ b/pkg/domain/entities/engine_image.go
@@ -19,4 +19,5 @@ type ImageEngine interface {
 	Save(ctx context.Context, nameOrId string, tags []string, options ImageSaveOptions) error
 	Tag(ctx context.Context, nameOrId string, tags []string, options ImageTagOptions) error
 	Untag(ctx context.Context, nameOrId string, tags []string, options ImageUntagOptions) error
+	Search(ctx context.Context, term string, opts ImageSearchOptions) ([]ImageSearchReport, error)
 }
diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go
index bc8a34c13..53a5f4951 100644
--- a/pkg/domain/entities/images.go
+++ b/pkg/domain/entities/images.go
@@ -181,6 +181,37 @@ type ImagePushOptions struct {
 	TLSVerify types.OptionalBool
 }
 
+// ImageSearchOptions are the arguments for searching images.
+type ImageSearchOptions struct {
+	// Authfile is the path to the authentication file. Ignored for remote
+	// calls.
+	Authfile string
+	// Filters for the search results.
+	Filters []string
+	// Limit the number of results.
+	Limit int
+	// NoTrunc will not truncate the output.
+	NoTrunc bool
+	// TLSVerify to enable/disable HTTPS and certificate verification.
+	TLSVerify types.OptionalBool
+}
+
+// ImageSearchReport is the response from searching images.
+type ImageSearchReport struct {
+	// Index is the image index (e.g., "docker.io" or "quay.io")
+	Index string
+	// Name is the canoncical name of the image (e.g., "docker.io/library/alpine").
+	Name string
+	// Description of the image.
+	Description string
+	// Stars is the number of stars of the image.
+	Stars int
+	// Official indicates if it's an official image.
+	Official string
+	// Automated indicates if the image was created by an automated build.
+	Automated string
+}
+
 type ImageListOptions struct {
 	All     bool       `json:"all" schema:"all"`
 	Filter  []string   `json:"Filter,omitempty"`
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 2edef2723..13abfa2e3 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -421,3 +421,38 @@ func (ir *ImageEngine) Diff(_ context.Context, nameOrId string, _ entities.DiffO
 	}
 	return &entities.DiffReport{Changes: changes}, nil
 }
+
+func (ir *ImageEngine) Search(ctx context.Context, term string, opts entities.ImageSearchOptions) ([]entities.ImageSearchReport, error) {
+	filter, err := image.ParseSearchFilter(opts.Filters)
+	if err != nil {
+		return nil, err
+	}
+
+	searchOpts := image.SearchOptions{
+		Authfile:              opts.Authfile,
+		Filter:                *filter,
+		Limit:                 opts.Limit,
+		NoTrunc:               opts.NoTrunc,
+		InsecureSkipTLSVerify: opts.TLSVerify,
+	}
+
+	searchResults, err := image.SearchImages(term, searchOpts)
+	if err != nil {
+		return nil, err
+	}
+
+	// Convert from image.SearchResults to entities.ImageSearchReport. We don't
+	// want to leak any low-level packages into the remote client, which
+	// requires converting.
+	reports := make([]entities.ImageSearchReport, len(searchResults))
+	for i := range searchResults {
+		reports[i].Index = searchResults[i].Index
+		reports[i].Name = searchResults[i].Name
+		reports[i].Description = searchResults[i].Index
+		reports[i].Stars = searchResults[i].Stars
+		reports[i].Official = searchResults[i].Official
+		reports[i].Automated = searchResults[i].Automated
+	}
+
+	return reports, nil
+}
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 66abd7f47..54f2e8334 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -250,3 +250,7 @@ func (ir *ImageEngine) Diff(ctx context.Context, nameOrId string, _ entities.Dif
 	}
 	return &entities.DiffReport{Changes: changes}, nil
 }
+
+func (ir *ImageEngine) Search(ctx context.Context, term string, opts entities.ImageSearchOptions) ([]entities.ImageSearchReport, error) {
+	return images.Search(ir.ClientCxt, term, opts)
+}