And system prune feature for v2.

Adds podman system prune for v2.
Refactoring for code reuse from pods containers images and volume prune.
Adds and enables testcases to support the added feature.

Signed-off-by: Sujil02 <sushah@redhat.com>

7 files changed, 63 insertions, 3 deletions

diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index eebf4c033..d98aee6df 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -42,6 +42,7 @@ type ContainerEngine interface {
 	ContainerWait(ctx context.Context, namesOrIds []string, options WaitOptions) ([]WaitReport, error)
 	Events(ctx context.Context, opts EventsOptions) error
 	GenerateSystemd(ctx context.Context, nameOrID string, opts GenerateSystemdOptions) (*GenerateSystemdReport, error)
+	SystemPrune(ctx context.Context, options SystemPruneOptions) (*SystemPruneReport, error)
 	HealthCheckRun(ctx context.Context, nameOrId string, options HealthCheckOptions) (*define.HealthCheckResults, error)
 	Info(ctx context.Context) (*define.Info, error)
 	PodCreate(ctx context.Context, opts PodCreateOptions) (*PodCreateReport, error)
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 82bf82bf0..cb61176b8 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -184,6 +184,10 @@ func (ic *ContainerEngine) ContainerPrune(ctx context.Context, options entities.
 			filterFuncs = append(filterFuncs, generatedFunc)
 		}
 	}
+	return ic.pruneContainersHelper(ctx, filterFuncs)
+}
+
+func (ic *ContainerEngine) pruneContainersHelper(ctx context.Context, filterFuncs []libpod.ContainerFilter) (*entities.ContainerPruneReport, error) {
 	prunedContainers, pruneErrors, err := ic.Libpod.PruneContainers(filterFuncs)
 	if err != nil {
 		return nil, err
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index be788b2bf..0af06fb89 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -36,7 +36,11 @@ func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.Boo
 }
 
 func (ir *ImageEngine) Prune(ctx context.Context, opts entities.ImagePruneOptions) (*entities.ImagePruneReport, error) {
-	results, err := ir.Libpod.ImageRuntime().PruneImages(ctx, opts.All, opts.Filter)
+	return ir.pruneImagesHelper(ctx, opts.All, opts.Filter)
+}
+
+func (ir *ImageEngine) pruneImagesHelper(ctx context.Context, all bool, filters []string) (*entities.ImagePruneReport, error) {
+	results, err := ir.Libpod.ImageRuntime().PruneImages(ctx, all, filters)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/domain/infra/abi/pods.go b/pkg/domain/infra/abi/pods.go
index b286bcf0d..16c222cbd 100644
--- a/pkg/domain/infra/abi/pods.go
+++ b/pkg/domain/infra/abi/pods.go
@@ -243,6 +243,10 @@ func (ic *ContainerEngine) PodRm(ctx context.Context, namesOrIds []string, optio
 }
 
 func (ic *ContainerEngine) PodPrune(ctx context.Context, options entities.PodPruneOptions) ([]*entities.PodPruneReport, error) {
+	return ic.prunePodHelper(ctx)
+}
+
+func (ic *ContainerEngine) prunePodHelper(ctx context.Context) ([]*entities.PodPruneReport, error) {
 	var (
 		reports []*entities.PodPruneReport
 	)
diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go
index e5c109ee6..ab1b282d8 100644
--- a/pkg/domain/infra/abi/system.go
+++ b/pkg/domain/infra/abi/system.go
@@ -175,3 +175,41 @@ func setUMask() { // nolint:deadcode,unused
 func checkInput() error { // nolint:deadcode,unused
 	return nil
 }
+
+// SystemPrune removes unsed data from the system. Pruning pods, containers, volumes and images.
+func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.SystemPruneOptions) (*entities.SystemPruneReport, error) {
+	var systemPruneReport = new(entities.SystemPruneReport)
+	podPruneReport, err := ic.prunePodHelper(ctx)
+	if err != nil {
+		return nil, err
+	}
+	systemPruneReport.PodPruneReport = podPruneReport
+
+	containerPruneReport, err := ic.pruneContainersHelper(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	systemPruneReport.ContainerPruneReport = containerPruneReport
+
+	results, err := ic.Libpod.ImageRuntime().PruneImages(ctx, options.All, nil)
+	if err != nil {
+		return nil, err
+	}
+	report := entities.ImagePruneReport{
+		Report: entities.Report{
+			Id:  results,
+			Err: nil,
+		},
+	}
+
+	systemPruneReport.ImagePruneReport = &report
+
+	if options.Volume {
+		volumePruneReport, err := ic.pruneVolumesHelper(ctx)
+		if err != nil {
+			return nil, err
+		}
+		systemPruneReport.VolumePruneReport = volumePruneReport
+	}
+	return systemPruneReport, nil
+}
diff --git a/pkg/domain/infra/abi/volumes.go b/pkg/domain/infra/abi/volumes.go
index bdae4359d..91b2440df 100644
--- a/pkg/domain/infra/abi/volumes.go
+++ b/pkg/domain/infra/abi/volumes.go
@@ -1,5 +1,3 @@
-// +build ABISupport
-
 package abi
 
 import (
@@ -113,6 +111,10 @@ func (ic *ContainerEngine) VolumeInspect(ctx context.Context, namesOrIds []strin
 }
 
 func (ic *ContainerEngine) VolumePrune(ctx context.Context, opts entities.VolumePruneOptions) ([]*entities.VolumePruneReport, error) {
+	return ic.pruneVolumesHelper(ctx)
+}
+
+func (ic *ContainerEngine) pruneVolumesHelper(ctx context.Context) ([]*entities.VolumePruneReport, error) {
 	var (
 		reports []*entities.VolumePruneReport
 	)
diff --git a/pkg/domain/infra/tunnel/system.go b/pkg/domain/infra/tunnel/system.go
index 97bf885e7..18cb6c75a 100644
--- a/pkg/domain/infra/tunnel/system.go
+++ b/pkg/domain/infra/tunnel/system.go
@@ -3,6 +3,7 @@ package tunnel
 import (
 	"context"
 	"errors"
+	"fmt"
 
 	"github.com/containers/libpod/libpod/define"
 	"github.com/containers/libpod/pkg/bindings/system"
@@ -21,3 +22,9 @@ func (ic *ContainerEngine) VarlinkService(_ context.Context, _ entities.ServiceO
 func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) error {
 	panic(errors.New("rootless engine mode is not supported when tunneling"))
 }
+
+// SystemPrune prunes unused data from the system.
+func (ic *ContainerEngine) SystemPrune(ctx context.Context, options entities.SystemPruneOptions) (*entities.SystemPruneReport, error) {
+	fmt.Println("in tunnel")
+	return system.Prune(ic.ClientCxt, &options.All, &options.Volume)
+}