7 files changed, 462 insertions, 0 deletions
diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
new file mode 100644
index 000000000..1899b98f7
--- /dev/null
+++ b/pkg/domain/entities/containers.go
@@ -0,0 +1 @@
+package entities
diff --git a/pkg/domain/entities/engine.go b/pkg/domain/entities/engine.go
new file mode 100644
index 000000000..a1096f1f1
--- /dev/null
+++ b/pkg/domain/entities/engine.go
@@ -0,0 +1,97 @@
+package entities
+
+import (
+	"net/url"
+	"os/user"
+	"path/filepath"
+
+	"github.com/containers/libpod/libpod/define"
+	"github.com/spf13/pflag"
+)
+
+type EngineMode string
+
+const (
+	ABIMode    = EngineMode("abi")
+	TunnelMode = EngineMode("tunnel")
+)
+
+func (m EngineMode) String() string {
+	return string(m)
+}
+
+type EngineOptions struct {
+	Uri        *url.URL
+	Identities []string
+	FlagSet    pflag.FlagSet
+	Flags      EngineFlags
+}
+
+type EngineFlags struct {
+	CGroupManager     string
+	CniConfigDir      string
+	ConmonPath        string
+	DefaultMountsFile string
+	EventsBackend     string
+	HooksDir          []string
+	MaxWorks          int
+	Namespace         string
+	Root              string
+	Runroot           string
+	Runtime           string
+	StorageDriver     string
+	StorageOpts       []string
+	Syslog            bool
+	Trace             bool
+	NetworkCmdPath    string
+
+	Config     string
+	CpuProfile string
+	LogLevel   string
+	TmpDir     string
+
+	RemoteUserName       string
+	RemoteHost           string
+	VarlinkAddress       string
+	ConnectionName       string
+	RemoteConfigFilePath string
+	Port                 int
+	IdentityFile         string
+	IgnoreHosts          bool
+
+	EngineMode EngineMode
+}
+
+func NewEngineOptions() (EngineFlags, error) {
+	u, _ := user.Current()
+	return EngineFlags{
+		CGroupManager:        define.SystemdCgroupsManager,
+		CniConfigDir:         "",
+		Config:               "",
+		ConmonPath:           filepath.Join("usr", "bin", "conmon"),
+		ConnectionName:       "",
+		CpuProfile:           "",
+		DefaultMountsFile:    "",
+		EventsBackend:        "",
+		HooksDir:             nil,
+		IdentityFile:         "",
+		IgnoreHosts:          false,
+		LogLevel:             "",
+		MaxWorks:             0,
+		Namespace:            "",
+		NetworkCmdPath:       "",
+		Port:                 0,
+		RemoteConfigFilePath: "",
+		RemoteHost:           "",
+		RemoteUserName:       "",
+		Root:                 "",
+		Runroot:              filepath.Join("run", "user", u.Uid),
+		Runtime:              "",
+		StorageDriver:        "overlayfs",
+		StorageOpts:          nil,
+		Syslog:               false,
+		TmpDir:               filepath.Join("run", "user", u.Uid, "libpod", "tmp"),
+		Trace:                false,
+		VarlinkAddress:       "",
+	}, nil
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
new file mode 100644
index 000000000..d08f37d44
--- /dev/null
+++ b/pkg/domain/entities/engine_container.go
@@ -0,0 +1,26 @@
+package entities
+
+import (
+	"context"
+)
+
+type ContainerEngine interface {
+	ContainerRuntime
+	PodRuntime
+	VolumeRuntime
+}
+
+type ContainerRuntime interface {
+	ContainerDelete(ctx context.Context, opts ContainerDeleteOptions) (*ContainerDeleteReport, error)
+	ContainerPrune(ctx context.Context) (*ContainerPruneReport, error)
+}
+
+type PodRuntime interface {
+	PodDelete(ctx context.Context, opts PodPruneOptions) (*PodDeleteReport, error)
+	PodPrune(ctx context.Context) (*PodPruneReport, error)
+}
+
+type VolumeRuntime interface {
+	VolumeDelete(ctx context.Context, opts VolumeDeleteOptions) (*VolumeDeleteReport, error)
+	VolumePrune(ctx context.Context) (*VolumePruneReport, error)
+}
diff --git a/pkg/domain/entities/engine_image.go b/pkg/domain/entities/engine_image.go
new file mode 100644
index 000000000..27676d781
--- /dev/null
+++ b/pkg/domain/entities/engine_image.go
@@ -0,0 +1,12 @@
+package entities
+
+import (
+	"context"
+)
+
+type ImageEngine interface {
+	Delete(ctx context.Context, nameOrId string, opts ImageDeleteOptions) (*ImageDeleteReport, error)
+	History(ctx context.Context, nameOrId string, opts ImageHistoryOptions) (*ImageHistoryReport, error)
+	List(ctx context.Context, opts ImageListOptions) (*ImageListReport, error)
+	Prune(ctx context.Context, opts ImagePruneOptions) (*ImagePruneReport, error)
+}
diff --git a/pkg/domain/entities/filters.go b/pkg/domain/entities/filters.go
new file mode 100644
index 000000000..c7e227244
--- /dev/null
+++ b/pkg/domain/entities/filters.go
@@ -0,0 +1,150 @@
+package entities
+
+import (
+	"net/url"
+	"strings"
+)
+
+// Identifier interface allows filters to access ID() of object
+type Identifier interface {
+	Id() string
+}
+
+// Named interface allows filters to access Name() of object
+type Named interface {
+	Name() string
+}
+
+// Named interface allows filters to access Name() of object
+type Names interface {
+	Names() []string
+}
+
+// IdOrName interface allows filters to access ID() or Name() of object
+type IdOrNamed interface {
+	Identifier
+	Named
+}
+
+// IdOrName interface allows filters to access ID() or Names() of object
+type IdOrNames interface {
+	Identifier
+	Names
+}
+
+type ImageFilter func(Image) bool
+type VolumeFilter func(Volume) bool
+type ContainerFilter func(Container) bool
+
+func CompileImageFilters(filters url.Values) ImageFilter {
+	var fns []interface{}
+
+	for name, targets := range filters {
+		switch name {
+		case "id":
+			fns = append(fns, FilterIdFn(targets))
+		case "name":
+			fns = append(fns, FilterNamesFn(targets))
+		case "idOrName":
+			fns = append(fns, FilterIdOrNameFn(targets))
+		}
+	}
+
+	return func(image Image) bool {
+		for _, fn := range fns {
+			if !fn.(ImageFilter)(image) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+func CompileContainerFilters(filters url.Values) ContainerFilter {
+	var fns []interface{}
+
+	for name, targets := range filters {
+		switch name {
+		case "id":
+			fns = append(fns, FilterIdFn(targets))
+		case "name":
+			fns = append(fns, FilterNameFn(targets))
+		case "idOrName":
+			fns = append(fns, FilterIdOrNameFn(targets))
+		}
+	}
+
+	return func(ctnr Container) bool {
+		for _, fn := range fns {
+			if !fn.(ContainerFilter)(ctnr) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+func CompileVolumeFilters(filters url.Values) VolumeFilter {
+	var fns []interface{}
+
+	for name, targets := range filters {
+		if name == "id" {
+			fns = append(fns, FilterIdFn(targets))
+		}
+	}
+
+	return func(volume Volume) bool {
+		for _, fn := range fns {
+			if !fn.(VolumeFilter)(volume) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+func FilterIdFn(id []string) func(Identifier) bool {
+	return func(obj Identifier) bool {
+		for _, v := range id {
+			if strings.Contains(obj.Id(), v) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+func FilterNameFn(name []string) func(Named) bool {
+	return func(obj Named) bool {
+		for _, v := range name {
+			if strings.Contains(obj.Name(), v) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+func FilterNamesFn(name []string) func(Names) bool {
+	return func(obj Names) bool {
+		for _, v := range name {
+			for _, n := range obj.Names() {
+				if strings.Contains(n, v) {
+					return true
+				}
+			}
+		}
+		return false
+	}
+}
+
+func FilterIdOrNameFn(id []string) func(IdOrNamed) bool {
+	return func(obj IdOrNamed) bool {
+		for _, v := range id {
+			if strings.Contains(obj.Id(), v) || strings.Contains(obj.Name(), v) {
+				return true
+			}
+		}
+		return false
+	}
+}
diff --git a/pkg/domain/entities/images.go b/pkg/domain/entities/images.go
new file mode 100644
index 000000000..c84ed5351
--- /dev/null
+++ b/pkg/domain/entities/images.go
@@ -0,0 +1,151 @@
+package entities
+
+import (
+	"net/url"
+
+	"github.com/containers/image/v5/manifest"
+	docker "github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/opencontainers/go-digest"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+type Image struct {
+	IdOrNamed
+	ID              string                 `json:"Id"`
+	RepoTags        []string               `json:",omitempty"`
+	RepoDigests     []string               `json:",omitempty"`
+	Parent          string                 `json:",omitempty"`
+	Comment         string                 `json:",omitempty"`
+	Created         string                 `json:",omitempty"`
+	Container       string                 `json:",omitempty"`
+	ContainerConfig *container.Config      `json:",omitempty"`
+	DockerVersion   string                 `json:",omitempty"`
+	Author          string                 `json:",omitempty"`
+	Config          *container.Config      `json:",omitempty"`
+	Architecture    string                 `json:",omitempty"`
+	Variant         string                 `json:",omitempty"`
+	Os              string                 `json:",omitempty"`
+	OsVersion       string                 `json:",omitempty"`
+	Size            int64                  `json:",omitempty"`
+	VirtualSize     int64                  `json:",omitempty"`
+	GraphDriver     docker.GraphDriverData `json:",omitempty"`
+	RootFS          docker.RootFS          `json:",omitempty"`
+	Metadata        docker.ImageMetadata   `json:",omitempty"`
+
+	// Podman extensions
+	Digest        digest.Digest                 `json:",omitempty"`
+	PodmanVersion string                        `json:",omitempty"`
+	ManifestType  string                        `json:",omitempty"`
+	User          string                        `json:",omitempty"`
+	History       []v1.History                  `json:",omitempty"`
+	NamesHistory  []string                      `json:",omitempty"`
+	HealthCheck   *manifest.Schema2HealthConfig `json:",omitempty"`
+}
+
+func (i *Image) Id() string {
+	return i.ID
+}
+
+type ImageSummary struct {
+	Identifier
+	ID          string   `json:"Id"`
+	ParentId    string   `json:",omitempty"`
+	RepoTags    []string `json:",omitempty"`
+	Created     int      `json:",omitempty"`
+	Size        int      `json:",omitempty"`
+	SharedSize  int      `json:",omitempty"`
+	VirtualSize int      `json:",omitempty"`
+	Labels      string   `json:",omitempty"`
+	Containers  int      `json:",omitempty"`
+	ReadOnly    bool     `json:",omitempty"`
+	Dangling    bool     `json:",omitempty"`
+
+	// Podman extensions
+	Digest       digest.Digest `json:",omitempty"`
+	ConfigDigest digest.Digest `json:",omitempty"`
+}
+
+func (i *ImageSummary) Id() string {
+	return i.ID
+}
+
+func (i *ImageSummary) IsReadOnly() bool {
+	return i.ReadOnly
+}
+
+func (i *ImageSummary) IsDangling() bool {
+	return i.Dangling
+}
+
+type ImageOptions struct {
+	All       bool
+	Digests   bool
+	Filter    []string
+	Format    string
+	Noheading bool
+	NoTrunc   bool
+	Quiet     bool
+	Sort      string
+	History   bool
+}
+
+type ImageDeleteOptions struct {
+	Force bool
+}
+
+// ImageDeleteResponse is the response for removing an image from storage and containers
+// what was untagged vs actually removed
+type ImageDeleteReport struct {
+	Untagged []string `json:"untagged"`
+	Deleted  string   `json:"deleted"`
+}
+
+type ImageHistoryOptions struct{}
+
+type ImageHistoryLayer struct {
+	ID        string   `json:"Id"`
+	Created   int64    `json:"Created,omitempty"`
+	CreatedBy string   `json:",omitempty"`
+	Tags      []string `json:",omitempty"`
+	Size      int64    `json:",omitempty"`
+	Comment   string   `json:",omitempty"`
+}
+
+type ImageHistoryReport struct {
+	Layers []ImageHistoryLayer
+}
+
+type ImageInspectOptions struct {
+	TypeObject string `json:",omitempty"`
+	Format     string `json:",omitempty"`
+	Size       bool   `json:",omitempty"`
+	Latest     bool   `json:",omitempty"`
+}
+
+type ImageListOptions struct {
+	All       bool       `json:"all" schema:"all"`
+	Digests   bool       `json:"digests" schema:"digests"`
+	Filter    []string   `json:",omitempty"`
+	Filters   url.Values `json:"filters" schema:"filters"`
+	Format    string     `json:",omitempty"`
+	History   bool       `json:",omitempty"`
+	Noheading bool       `json:",omitempty"`
+	NoTrunc   bool       `json:",omitempty"`
+	Quiet     bool       `json:",omitempty"`
+	Sort      string     `json:",omitempty"`
+}
+
+type ImageListReport struct {
+	Images []ImageSummary
+}
+
+type ImagePruneOptions struct {
+	All    bool
+	Filter ImageFilter
+}
+
+type ImagePruneReport struct {
+	Report Report
+	Size   int64
+}
diff --git a/pkg/domain/entities/types.go b/pkg/domain/entities/types.go
new file mode 100644
index 000000000..6f947dc4d
--- /dev/null
+++ b/pkg/domain/entities/types.go
@@ -0,0 +1,25 @@
+package entities
+
+type Container struct {
+	IdOrNamed
+}
+
+type Volume struct {
+	Identifier
+}
+
+type Report struct {
+	Id  []string
+	Err map[string]error
+}
+
+type ContainerDeleteOptions struct{}
+type ContainerDeleteReport struct{ Report }
+type ContainerPruneReport struct{ Report }
+
+type PodDeleteReport struct{ Report }
+type PodPruneOptions struct{}
+type PodPruneReport struct{ Report }
+type VolumeDeleteOptions struct{}
+type VolumeDeleteReport struct{ Report }
+type VolumePruneReport struct{ Report }