V2 podman image rm | podman rmi [IMAGE]

* Add support for rm and rmi commands
* Support for registry.ExitCode
* Support for N-errors from domain layer

* Add log-level support
* Add syslog support

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

4 files changed, 89 insertions, 33 deletions

diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go
index 0294c7129..d0c860a04 100644
--- a/pkg/domain/entities/engine_image.go
+++ b/pkg/domain/entities/engine_image.go
@@ -5,7 +5,7 @@ import (
 )
 
 type ImageEngine interface {
-	Delete(ctx context.Context, nameOrId string, opts ImageDeleteOptions) (*ImageDeleteReport, error)
+	Delete(ctx context.Context, nameOrId []string, opts ImageDeleteOptions) (*ImageDeleteReport, error)
 	Exists(ctx context.Context, nameOrId string) (*BoolReport, error)
 	History(ctx context.Context, nameOrId string, opts ImageHistoryOptions) (*ImageHistoryReport, error)
 	List(ctx context.Context, opts ImageListOptions) ([]*ImageSummary, error)
diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go
index f04317e37..4a51b3de4 100644
--- a/pkg/domain/entities/images.go
+++ b/pkg/domain/entities/images.go
@@ -81,14 +81,18 @@ func (i *ImageSummary) IsDangling() bool {
 }
 
 type ImageDeleteOptions struct {
+	All   bool
 	Force bool
 }
 
-// ImageDeleteResponse is the response for removing an image from storage and containers
-// what was untagged vs actually removed
+// ImageDeleteResponse is the response for removing one or more image(s) from storage
+// and containers what was untagged vs actually removed
 type ImageDeleteReport struct {
-	Untagged []string `json:"untagged"`
-	Deleted  string   `json:"deleted"`
+	Untagged      []string `json:",omitempty"`
+	Deleted       []string `json:",omitempty"`
+	Errors        []error
+	ImageNotFound error
+	ImageInUse    error
 }
 
 type ImageHistoryOptions struct{}
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 39a03ef6c..203f14987 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -4,10 +4,12 @@ package abi
 
 import (
 	"context"
+	"fmt"
 
 	libpodImage "github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/domain/entities"
-	"github.com/containers/libpod/pkg/domain/utils"
+	"github.com/containers/storage"
+	"github.com/pkg/errors"
 )
 
 func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.BoolReport, error) {
@@ -17,24 +19,76 @@ func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.Boo
 	return &entities.BoolReport{Value: true}, nil
 }
 
-func (ir *ImageEngine) Delete(ctx context.Context, nameOrId string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
-	image, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrId)
-	if err != nil {
-		return nil, err
-	}
+func (ir *ImageEngine) Delete(ctx context.Context, nameOrId []string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
+	report := entities.ImageDeleteReport{}
 
-	results, err := ir.Libpod.RemoveImage(ctx, image, opts.Force)
-	if err != nil {
-		return nil, err
+	if opts.All {
+		var previousTargets []*libpodImage.Image
+	repeatRun:
+		targets, err := ir.Libpod.ImageRuntime().GetRWImages()
+		if err != nil {
+			return &report, errors.Wrapf(err, "unable to query local images")
+		}
+
+		if len(targets) > 0 && len(targets) == len(previousTargets) {
+			return &report, errors.New("unable to delete all images; re-run the rmi command again.")
+		}
+		previousTargets = targets
+
+		for _, img := range targets {
+			isParent, err := img.IsParent(ctx)
+			if err != nil {
+				return &report, err
+			}
+			if isParent {
+				continue
+			}
+			err = ir.deleteImage(ctx, img, opts, report)
+			report.Errors = append(report.Errors, err)
+		}
+		if len(targets) >= 0 || len(previousTargets) != 1 {
+			goto repeatRun
+		}
+		return &report, nil
 	}
 
-	report := entities.ImageDeleteReport{}
-	if err := utils.DeepCopy(&report, results); err != nil {
-		return nil, err
+	for _, id := range nameOrId {
+		image, err := ir.Libpod.ImageRuntime().NewFromLocal(id)
+		if err != nil {
+			return nil, err
+		}
+
+		err = ir.deleteImage(ctx, image, opts, report)
+		if err != nil {
+			return &report, err
+		}
 	}
 	return &report, nil
 }
 
+func (ir *ImageEngine) deleteImage(ctx context.Context, img *libpodImage.Image, opts entities.ImageDeleteOptions, report entities.ImageDeleteReport) error {
+	results, err := ir.Libpod.RemoveImage(ctx, img, opts.Force)
+	switch errors.Cause(err) {
+	case nil:
+		break
+	case storage.ErrImageUsedByContainer:
+		report.ImageInUse = errors.New(
+			fmt.Sprintf("A container associated with containers/storage, i.e. via Buildah, CRI-O, etc., may be associated with this image: %-12.12s\n", img.ID()))
+		return nil
+	case libpodImage.ErrNoSuchImage:
+		report.ImageNotFound = err
+		return nil
+	default:
+		return err
+	}
+
+	report.Deleted = append(report.Deleted, results.Deleted)
+	for _, e := range results.Untagged {
+		report.Untagged = append(report.Untagged, e)
+	}
+	return nil
+}
+
 func (ir *ImageEngine) Prune(ctx context.Context, opts entities.ImagePruneOptions) (*entities.ImagePruneReport, error) {
 	results, err := ir.Libpod.ImageRuntime().PruneImages(ctx, opts.All, []string{})
 	if err != nil {
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 921e4a6e3..6a241641e 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -14,27 +14,25 @@ func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.Boo
 	return &entities.BoolReport{Value: found}, err
 }
 
-func (ir *ImageEngine) Delete(ctx context.Context, nameOrId string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
-	results, err := images.Remove(ir.ClientCxt, nameOrId, &opts.Force)
-	if err != nil {
-		return nil, err
-	}
+func (ir *ImageEngine) Delete(ctx context.Context, nameOrId []string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
+	report := entities.ImageDeleteReport{}
 
-	report := entities.ImageDeleteReport{
-		Untagged: nil,
-		Deleted:  "",
-	}
-
-	for _, e := range results {
-		if a, ok := e["Deleted"]; ok {
-			report.Deleted = a
+	for _, id := range nameOrId {
+		results, err := images.Remove(ir.ClientCxt, id, &opts.Force)
+		if err != nil {
+			return nil, err
 		}
+		for _, e := range results {
+			if a, ok := e["Deleted"]; ok {
+				report.Deleted = append(report.Deleted, a)
+			}
 
-		if a, ok := e["Untagged"]; ok {
-			report.Untagged = append(report.Untagged, a)
+			if a, ok := e["Untagged"]; ok {
+				report.Untagged = append(report.Untagged, a)
+			}
 		}
 	}
-	return &report, err
+	return &report, nil
 }
 
 func (ir *ImageEngine) List(ctx context.Context, opts entities.ImageListOptions) ([]*entities.ImageSummary, error) {