podman unshare: add --rootless-cni to join the ns

Add a new --rootless-cni option to podman unshare to also join the
rootless-cni network namespace. This is useful if you want to connect
to a rootless container via IP address. This is only possible from the
rootless-cni namespace and not from the host namespace. This option also
helps to debug problems in the rootless-cni namespace.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

2 files changed, 6 insertions, 1 deletions

diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index bcab617af..f695d32fd 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -88,7 +88,7 @@ type ContainerEngine interface {
 	SecretRm(ctx context.Context, nameOrID []string, opts SecretRmOptions) ([]*SecretRmReport, error)
 	Shutdown(ctx context.Context)
 	SystemDf(ctx context.Context, options SystemDfOptions) (*SystemDfReport, error)
-	Unshare(ctx context.Context, args []string) error
+	Unshare(ctx context.Context, args []string, options SystemUnshareOptions) error
 	Version(ctx context.Context) (*SystemVersionReport, error)
 	VolumeCreate(ctx context.Context, opts VolumeCreateOptions) (*IDOrNameResponse, error)
 	VolumeExists(ctx context.Context, namesOrID string) (*BoolReport, error)
diff --git a/pkg/domain/entities/system.go b/pkg/domain/entities/system.go
index 1a671d59e..31a6185dc 100644
--- a/pkg/domain/entities/system.go
+++ b/pkg/domain/entities/system.go
@@ -98,6 +98,11 @@ type SystemVersionReport struct {
 	Server *define.Version `json:",omitempty"`
 }
 
+// SystemUnshareOptions describes the options for the unshare command
+type SystemUnshareOptions struct {
+	RootlessCNI bool
+}
+
 type ComponentVersion struct {
 	types.Version
 }