podmanv2 export

add ability to export a container to a tarball

Signed-off-by: Brent Baude <bbaude@redhat.com>

4 files changed, 29 insertions, 0 deletions

diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index b7f1cd812..d51124f55 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -117,3 +117,7 @@ type CommitOptions struct {
 type CommitReport struct {
 	Id string
 }
+
+type ContainerExportOptions struct {
+	Output string
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index c5f46ccfc..a122857cd 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -10,6 +10,7 @@ type ContainerEngine interface {
 	ContainerCommit(ctx context.Context, nameOrId string, options CommitOptions) (*CommitReport, error)
 	ContainerExists(ctx context.Context, nameOrId string) (*BoolReport, error)
 	ContainerInspect(ctx context.Context, namesOrIds []string, options InspectOptions) ([]*ContainerInspectReport, error)
+	ContainerExport(ctx context.Context, nameOrId string, options ContainerExportOptions) error
 	ContainerKill(ctx context.Context, namesOrIds []string, options KillOptions) ([]*KillReport, error)
 	ContainerPause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error)
 	ContainerRestart(ctx context.Context, namesOrIds []string, options RestartOptions) ([]*RestartReport, error)
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 172c7d1a3..d4c5ac311 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -325,3 +325,11 @@ func (ic *ContainerEngine) ContainerCommit(ctx context.Context, nameOrId string,
 	}
 	return &entities.CommitReport{Id: newImage.ID()}, nil
 }
+
+func (ic *ContainerEngine) ContainerExport(ctx context.Context, nameOrId string, options entities.ContainerExportOptions) error {
+	ctr, err := ic.Libpod.LookupContainer(nameOrId)
+	if err != nil {
+		return err
+	}
+	return ctr.Export(options.Output)
+}
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index c1bade4ba..8885ae7c7 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -2,6 +2,8 @@ package tunnel
 
 import (
 	"context"
+	"io"
+	"os"
 
 	"github.com/containers/image/v5/docker/reference"
 
@@ -210,3 +212,17 @@ func (ic *ContainerEngine) ContainerCommit(ctx context.Context, nameOrId string,
 	}
 	return &entities.CommitReport{Id: response.ID}, nil
 }
+
+func (ic *ContainerEngine) ContainerExport(ctx context.Context, nameOrId string, options entities.ContainerExportOptions) error {
+	var (
+		err error
+		w   io.Writer
+	)
+	if len(options.Output) > 0 {
+		w, err = os.Create(options.Output)
+		if err != nil {
+			return err
+		}
+	}
+	return containers.Export(ic.ClientCxt, nameOrId, w)
+}