userns: support --userns=auto

automatically pick an empty range and create an user namespace for the
container.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/libpod/container_internal_unsupported.go b/libpod/container_internal_unsupported.go
index 395271b2a..2a611c2d9 100644
--- a/libpod/container_internal_unsupported.go
+++ b/libpod/container_internal_unsupported.go
@@ -6,6 +6,7 @@ import (
 	"context"
 
 	"github.com/containers/libpod/libpod/define"
+	"github.com/containers/libpod/pkg/lookup"
 	spec "github.com/opencontainers/runtime-spec/specs-go"
 )
 
@@ -44,3 +45,7 @@ func (c *Container) copyOwnerAndPerms(source, dest string) error {
 func (c *Container) getOCICgroupPath() (string, error) {
 	return "", define.ErrNotImplemented
 }
+
+func (c *Container) getUserOverrides() *lookup.Overrides {
+	return nil
+}