new file mode 100644
@@ -0,0 +1,99 @@
+# This software is a part of ISAR.
+# Copyright (C) Siemens AG, 2021
+#
+# SPDX-License-Identifier: MIT
+#
+# This class provides the tasks 'containerize_rootfs' and 'containerize_sdk'
+# to create container images containing the target rootfs and the SDK
+# respectively.
+
+CONTAINER_FORMAT ?= "docker-archive"
+
+containerize_rootfs() {
+ local cmd="/bin/dash"
+ local empty_tag="empty"
+ local full_tag="latest"
+ local oci_img_dir="${WORKDIR}/oci-image"
+ local rootfs="$1"
+ local rootfs_id="$2"
+
+ # prepare OCI container image skeleton
+ bbdebug 1 "prepare OCI container image skeleton"
+ rm -rf "${oci_img_dir}"
+ sudo umoci init --layout "${oci_img_dir}"
+ sudo umoci new --image "${oci_img_dir}:${empty_tag}"
+ sudo umoci config --image "${oci_img_dir}:${empty_tag}" \
+ --config.cmd="${cmd}"
+ sudo umoci unpack --image "${oci_img_dir}:${empty_tag}" \
+ "${oci_img_dir}_unpacked"
+
+ # add root filesystem as the flesh of the skeleton
+ sudo cp -a "${rootfs}"/* "${oci_img_dir}_unpacked/rootfs/"
+
+ # pack container image
+ bbdebug 1 "pack container image"
+ sudo umoci repack --image "${oci_img_dir}:${full_tag}" \
+ "${oci_img_dir}_unpacked"
+ sudo umoci remove --image "${oci_img_dir}:${empty_tag}"
+ sudo rm -rf "${oci_img_dir}_unpacked"
+
+ # no root needed anymore
+ sudo chown --recursive $(id -u):$(id -g) "${oci_img_dir}"
+
+ # convert the OCI container image to the desired format
+ image_name="isar-${rootfs_id}"
+ for image_type in ${CONTAINER_FORMAT} ; do
+ image_archive="${DEPLOY_DIR_IMAGE}/${rootfs_id}-${image_type}.tar"
+ bbdebug 1 "Creating container image type: ${image_type}"
+ case "${image_type}" in
+ "docker-archive" | "oci-archive")
+ if [ "${image_type}" = "oci-archive" ] ; then
+ target="${image_type}:${image_archive}:latest"
+ else
+ target="${image_type}:${image_archive}:${image_name}:latest"
+ fi
+ rm -f "${image_archive}" "${image_archive}.xz"
+ bbdebug 2 "Converting OCI image to ${image_type}"
+ skopeo --insecure-policy copy \
+ "oci:${oci_img_dir}:${full_tag}" "${target}"
+ bbdebug 2 "Compressing image"
+ xz -T0 "${image_archive}"
+ ;;
+ "oci")
+ tar --create --xz --directory "${oci_img_dir}" \
+ --file "${image_archive}.xz" .
+ ;;
+ "docker-daemon" | "containers-storage")
+ skopeo --insecure-policy copy \
+ "oci:${oci_img_dir}:${full_tag}" \
+ "${image_type}:${image_name}:latest"
+ ;;
+ *)
+ die "Unsupported format for containerize_rootfs: ${image_type}"
+ ;;
+ esac
+ done
+}
+
+do_container_image[stamp-extra-info] = "${DISTRO}-${MACHINE}"
+do_container_image[vardeps] += "CONTAINER_FORMAT"
+do_container_image(){
+ rootfs_id="${DISTRO}-${DISTRO_ARCH}"
+
+ bbnote "Generate container image in these formats: ${CONTAINER_FORMAT}"
+ containerize_rootfs "${IMAGE_ROOTFS}" "${rootfs_id}"
+}
+
+addtask container_image before do_image after do_image_tools
+
+do_container_sdk[stamp-extra-info] = "${DISTRO}-${MACHINE}"
+do_container_sdk[vardeps] += "CONTAINER_FORMAT"
+do_container_sdk(){
+ rootfs_id="sdk-${DISTRO}-${DISTRO_ARCH}"
+
+ bbnote "Generate containerized SDK in these formats: ${CONTAINER_FORMAT}"
+ containerize_rootfs "${SDKCHROOT_DIR}" "${rootfs_id}"
+}
+
+addtask container_sdk after do_populate_sdk
+
Add support for creation of container images with the build root filesystems. Extend also task "populate_sdk" to support the creation of a container image containing the SDK. Signed-off-by: Silvano Cirujano Cuesta <silvano.cirujano-cuesta@siemens.com> --- meta/classes/container-img.bbclass | 99 ++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 meta/classes/container-img.bbclass