Method ensure_prepared_image_disk

crates/openshell-driver-vm/src/driver.rs:2108–2130

(
        &self,
        sandbox_id: &str,
        image_ref: &str,
        bootstrap_root_disk: &Path,
    )

    }

    async fn ensure_prepared_image_disk(
        &self,
        sandbox_id: &str,
        image_ref: &str,
        bootstrap_root_disk: &Path,
    ) -> Result<PreparedImageDisk, Status> {
        if let Some((docker, image_identity)) =
            self.resolve_local_container_image(image_ref).await?
        {
            return self
                .ensure_prepared_local_image_disk(
                    sandbox_id,
                    image_ref,
                    &docker,
                    &image_identity,
                    bootstrap_root_disk,
                )
                .await;
        }

        self.ensure_prepared_registry_image_disk(sandbox_id, image_ref, bootstrap_root_disk)
            .await
    }

    async fn ensure_prepared_local_image_disk(
        &self,