Install docker as a system extension, use manglefs script ( convert the unit dependencies from wants to upholds); one sysext for all docker for now

build_library/build_image_util.sh

@@ -626,26 +626,12 @@ finish_image() {
   local install_grub=0
   local disk_img="${BUILD_DIR}/${image_name}"
 
-  # Copy in packages from the torcx store that are marked as being on disk
-  if [ -n "${FLAGS_torcx_manifest}" ]; then
-    for pkg in $(torcx_manifest::get_pkg_names "${FLAGS_torcx_manifest}"); do
-      local default_version="$(torcx_manifest::default_version "${FLAGS_torcx_manifest}" "${pkg}")"
-      for version in $(torcx_manifest::get_versions "${FLAGS_torcx_manifest}" "${pkg}"); do
-        local on_disk_path="$(torcx_manifest::local_store_path "${FLAGS_torcx_manifest}" "${pkg}" "${version}")"
-        if [[ -n "${on_disk_path}" ]]; then
-          local casDigest="$(torcx_manifest::get_digest "${FLAGS_torcx_manifest}" "${pkg}" "${version}")"
-          sudo cp "${FLAGS_torcx_root}/pkgs/${BOARD}/${pkg}/${casDigest}/${pkg}:${version}.torcx.tgz" \
-            "${root_fs_dir}${on_disk_path}"
-          sudo tar xf "${root_fs_dir}${on_disk_path}" -C "${root_fs_dir}" --wildcards "./usr/share/SLSA"
-          if [[ "${version}" == "${default_version}" ]]; then
-            # Create the default symlink for this package
-            sudo ln -fns "${on_disk_path##*/}" \
-              "${root_fs_dir}/${on_disk_path%/*}/${pkg}:com.coreos.cl.torcx.tgz"
-          fi
-        fi
-      done
-    done
-  fi
+# Ship the docker systemd-sysext image and rip out torcx in same go; TODO: create seperate sysext images for containerd and docker
+  emerge-"${FLAGS_board}" app-containers/docker
+  sudo "$(dirname ${BASH_SOURCE[0]})/../build_sysext" --board="${BOARD}" --build_dir=${BUILD_DIR} --squashfs_base="${BUILD_DIR}/${image_sysext_base}" --manglefs_script="$(dirname ${BASH_SOURCE[0]})/../manglefs_docker" docker-flatcar app-containers/docker
+  sudo install -m 0644 -D "${BUILD_DIR}/docker-flatcar.raw" "${root_fs_dir}"/usr/share/flatcar/
+  sudo mkdir -p "${root_fs_dir}"/etc/extensions/·
+  sudo ln -sf /usr/share/flatcar/docker-flatcar.raw "${root_fs_dir}"/etc/extensions/docker-flatcar.raw
 
   # Only enable rootfs verification on prod builds.
   local disable_read_write="${FLAGS_FALSE}"

manglefs_docker

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -euo pipefail
+rootfs="${1}"
+
+# docker:
+mkdir -p "${rootfs}/usr/lib/systemd/system/sockets.target.d"
+{ echo "[Unit]"; echo "Upholds=docker.socket"; } > "${rootfs}/usr/lib/systemd/system/sockets.target.d/10-docker-socket.conf"
+# containerd:
+mkdir -p "${rootfs}/usr/lib/systemd/system/multi-user.target.d"
+{ echo "[Unit]"; echo "Upholds=containerd.service"; } > "${rootfs}/usr/lib/systemd/system/multi-user.target.d/10-containerd-service.conf"

sdk_container/src/third_party/coreos-overlay/coreos-base/coreos/coreos-0.0.1.ebuild

@@ -95,7 +95,6 @@ RDEPEND="${RDEPEND}
 	app-arch/xz-utils
 	app-arch/zstd
 	app-arch/tar
-	app-arch/torcx
 	app-arch/unzip
 	app-arch/zip
 	app-arch/ncompress