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https://github.com/flatcar/scripts.git
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*: Drop unused oem sysext files
This commit is contained in:
Krzesimir Nowak
parent
e69801b982
commit
2c1d89277d
@ -1,216 +0,0 @@
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#!/bin/bash
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#
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# Copyright (c) 2023 The Flatcar Maintainers.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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source "${BUILD_LIBRARY_DIR}/reports_util.sh" || exit 1
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_generate_listing() {
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local rootfs="${1%/}"; shift
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local listing="${1}"; shift
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local slashes="${rootfs//[^\/]}"
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local slash_count="${#slashes}"
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# Invoking find with sudo as it's used for traversing root-owned
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# rootfs, which means that some places may be unreachable by the
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# sdk user.
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sudo find "${rootfs}//" | cut -d/ -f$((slash_count + 2))- | sort >"${listing}"
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}
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_prepend_action () {
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local -n prepend_array="${1}"; shift
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prepend_array=( "${#}" "${@}" "${prepend_array[@]}" )
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}
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_invoke_actions () {
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local arg_count
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local command
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while [[ "${#}" -gt 0 ]]; do
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arg_count="${1}"
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shift
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command=( "${@:1:${arg_count}}" )
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shift "${arg_count}"
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"${command[@]}" || :
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done
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}
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# Architecture values are taken from systemd.unit(5).
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declare -A SYSEXT_ARCHES
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SYSEXT_ARCHES['amd64-usr']='x86-64'
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SYSEXT_ARCHES['arm64-usr']='arm64'
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declare -r SYSEXT_ARCHES
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# Usage: _get_sysext_arch board [board...]
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_get_sysext_arch() {
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local board
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for board in "$@"; do
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if [[ ${#SYSEXT_ARCHES["${board}"]} -ne 0 ]]; then
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echo "${SYSEXT_ARCHES["${board}"]}"
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else
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die "Unknown board '${board}'"
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fi
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done
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}
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oem_sysext_create() {
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local oem="${1}"; shift
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local board="${1}"; shift
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local version_id="${1}"; shift
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local prod_image="${1}"; shift
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local prod_pkgdb="${1}"; shift
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local work_dir="${1}"; shift
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local base_pkg="coreos-base/${oem}"
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local sysext_work_dir="${work_dir}/sysext-${oem}"
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local prod_rw_image="${sysext_work_dir}/prod_for_sysext.bin"
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local prod_rw_rootfs="${sysext_work_dir}/prod_rw_rootfs"
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local sysext_overlay_work="${sysext_work_dir}/overlay.work"
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local sysext_overlay_upper="${sysext_work_dir}/overlay.upper"
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local cleanup_actions=()
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trap '_invoke_actions "${cleanup_actions[@]}"' EXIT
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_prepend_action cleanup_actions rmdir "${sysext_work_dir}"
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mkdir -p "${sysext_work_dir}"
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info 'Creating a production image copy for work rootfs'
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_prepend_action cleanup_actions rm -f "${prod_rw_image}"
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cp --sparse=always "${prod_image}" "${prod_rw_image}"
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info 'Preparing work image for mounting'
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"${BUILD_LIBRARY_DIR}/disk_util" --disk_layout=base \
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tune --randomize_uuid "${prod_rw_image}" OEM
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info "Mounting work image to ${prod_rw_rootfs}"
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_prepend_action cleanup_actions rmdir "${prod_rw_rootfs}"
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_prepend_action cleanup_actions "${BUILD_LIBRARY_DIR}/disk_util" --disk_layout=base \
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umount "${prod_rw_rootfs}"
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"${BUILD_LIBRARY_DIR}/disk_util" --disk_layout=base \
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mount "${prod_rw_image}" "${prod_rw_rootfs}"
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local initial_files="${sysext_work_dir}/initial_files"
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info "Generating list of initial files in work image"
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_prepend_action cleanup_actions rm -f "${initial_files}"
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_generate_listing "${prod_rw_rootfs}" "${initial_files}"
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# /usr partition may be too small to fit the sysext files, so mount
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# an overlay temporarily.
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_prepend_action cleanup_actions sudo rm -rf "${sysext_overlay_work}" "${sysext_overlay_upper}"
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mkdir -p "${sysext_overlay_work}" "${sysext_overlay_upper}"
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_prepend_action cleanup_actions sudo umount "${prod_rw_rootfs}/usr"
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sudo mount -t overlay usr-overlay \
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-o lowerdir="${prod_rw_rootfs}/usr",upperdir="${sysext_overlay_upper}",workdir="${sysext_overlay_work}" \
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"${prod_rw_rootfs}/usr"
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info "Stuffing package database into into ${prod_rw_rootfs}"
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sudo tar -xf "${prod_pkgdb}" -C "${prod_rw_rootfs}"
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# Split into two steps because we want to always install
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# $${base_pkg} from the ebuild (build_packages doesn't handle it)
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# *but* we never want to build anything else from source
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# here. emerge doesn't have a way to enforce this in a single
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# command.
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info "Building ${base_pkg}"
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"emerge-${board}" --nodeps --buildpkgonly --usepkg n --verbose "${base_pkg}"
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info "Installing ${base_pkg} to ${prod_rw_rootfs}"
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sudo emerge \
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--config-root="/build/${board}" \
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--root="${prod_rw_rootfs}" \
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--sysroot="${prod_rw_rootfs}" \
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--root-deps=rdeps \
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--usepkgonly \
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--verbose \
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"${base_pkg}"
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info "Removing portage db from ${prod_rw_rootfs}"
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sudo rm -rf \
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"${prod_rw_rootfs}/var/cache/edb" \
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"${prod_rw_rootfs}/var/db/pkg"
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local all_files="${sysext_work_dir}/all_files"
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local sysext_files="${sysext_work_dir}/sysext_files"
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info "Generating list of files in work image after installing OEM package"
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_prepend_action cleanup_actions rm -f "${all_files}"
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_generate_listing "${prod_rw_rootfs}" "${all_files}"
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info "Generating list of files for sysext image"
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_prepend_action cleanup_actions rm -f "${sysext_files}"
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comm -1 -3 "${initial_files}" "${all_files}" >"${sysext_files}"
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info "Copying files for sysext image"
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local sysext_rootfs="${sysext_work_dir}/sysext_rootfs"
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_prepend_action cleanup_actions rm -rf "${sysext_rootfs}"
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rsync --links --files-from="${sysext_files}" "${prod_rw_rootfs}" "${sysext_rootfs}"
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info "Mangling files for sysext image"
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local overlay_path mangle_fs
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overlay_path=$(portageq get_repo_path / coreos)
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mangle_fs="${overlay_path}/${base_pkg}/files/manglefs.sh"
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if [[ -x "${mangle_fs}" ]]; then
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"${mangle_fs}" "${sysext_rootfs}"
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fi
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local entry
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info "Removing non-/usr directories from sysext image"
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for entry in "${sysext_rootfs}"/*; do
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if [[ "${entry}" = */usr ]]; then
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continue
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fi
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info " Removing ${entry##*/}"
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rm -rf "${entry}"
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done
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local metadata metadata_file metadata_version_entry
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info "Adding sysext metadata"
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mkdir -p "${sysext_rootfs}/usr/lib/extension-release.d"
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if [[ "${version_id}" = 'initial' ]]; then
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metadata_version_entry="SYSEXT_LEVEL=1.0"
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else
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metadata_version_entry="VERSION_ID=${version_id}"
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fi
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metadata=(
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'ID=flatcar'
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"${metadata_version_entry}"
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"ARCHITECTURE=$(_get_sysext_arch "${board}")"
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)
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metadata_file="${sysext_rootfs}/usr/lib/extension-release.d/extension-release.${oem}"
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printf '%s\n' "${metadata[@]}" >"${metadata_file}"
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info "Generating a squashfs image"
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local sysext_raw_image_filename="${oem}.raw"
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local output_raw_image="${sysext_work_dir}/${sysext_raw_image_filename}"
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_prepend_action cleanup_actions rm -f "${output_raw_image}"
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mksquashfs "${sysext_rootfs}" "${output_raw_image}" -all-root
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info "Generating image reports"
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local sysext_mounted="${sysext_work_dir}/squashfs_mounted"
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_prepend_action cleanup_actions rmdir "${sysext_mounted}"
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mkdir "${sysext_mounted}"
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_prepend_action cleanup_actions sudo umount "${sysext_mounted}"
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sudo mount -t squashfs -o loop "${output_raw_image}" "${sysext_mounted}"
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local contents="${sysext_raw_image_filename%.raw}_contents.txt"
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local contents_wtd="${sysext_raw_image_filename%.raw}_contents_wtd.txt"
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local disk_usage="${sysext_raw_image_filename%.raw}_disk_usage.txt"
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_prepend_action cleanup_actions rm -f "${sysext_work_dir}/${contents}"
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write_contents "${sysext_mounted}" "${sysext_work_dir}/${contents}"
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_prepend_action cleanup_actions rm -f "${sysext_work_dir}/${contents_wtd}"
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write_contents_with_technical_details "${sysext_mounted}" "${sysext_work_dir}/${contents_wtd}"
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_prepend_action cleanup_actions rm -f "${sysext_work_dir}/${disk_usage}"
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write_disk_space_usage_in_paths "${sysext_mounted}" "${sysext_work_dir}/${disk_usage}"
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local to_move
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for to_move in "${sysext_raw_image_filename}" "${contents}" "${contents_wtd}" "${disk_usage}"; do
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mv "${sysext_work_dir}/${to_move}" "${work_dir}/${to_move}"
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done
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info "Alles jut, cleaning up"
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trap - EXIT
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_invoke_actions "${cleanup_actions[@]}"
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}
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@ -1,77 +0,0 @@
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#!/bin/bash
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#
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# Copyright (c) 2023 The Flatcar Maintainers.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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SCRIPT_ROOT=$(dirname $(readlink -f "$0"))
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. "${SCRIPT_ROOT}/common.sh" || exit 1
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# Script must run inside the chroot
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assert_inside_chroot
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assert_not_root_user
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# Developer-visible flags.
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DEFINE_string board "${DEFAULT_BOARD}" \
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"The board to build an image for."
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DEFINE_string build_dir "" \
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"Directory in which to place image result directories (named by version)"
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DEFINE_string prod_image_path "" \
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"Path to the generic production image"
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DEFINE_string prod_pkgdb_path "" \
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"Path to the tarball with portage package database from generic image production image"
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DEFINE_string version_id "${FLATCAR_VERSION_ID}" \
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"Version ID stored inside the sysext extension"
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FLAGS_HELP="USAGE: build_oem_sysext [flags] [oem name].
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This script is used to build a Flatcar OEM sysext images.
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The built image is in <build_dir>/oem-<oem>.raw.
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Examples:
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build_oem_sysext \
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--board=amd64-usr \
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--build_dir=<build_dir> \
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--prod_image_path=<path_to_bin_file> \
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--prod_pkgdb_path=<path_to_pkgdb_tarbal> \
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--version_id=\"\${FLATCAR_VERSION_ID}\" \
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oem-azure
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...
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"
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show_help_if_requested "$@"
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# Parse command line.
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FLAGS "$@" || exit 1
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if [[ -z "${FLAGS_ARGV}" ]]; then
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echo 'No OEM given'
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exit 0
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fi
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eval set -- "${FLAGS_ARGV}"
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# Only now can we die on error. shflags functions leak non-zero error codes,
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# so will die prematurely if 'switch_to_strict_mode' is specified before now.
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switch_to_strict_mode
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# N.B. Ordering matters for some of the libraries below, because
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# some of the files contain initialization used by later files.
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. "${BUILD_LIBRARY_DIR}/toolchain_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/board_options.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/oem_sysext_util.sh" || exit 1
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BUILD_DIR=${FLAGS_build_dir:-"${BUILD_DIR}"}
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if [[ -z "${FLAGS_prod_image_path}" ]]; then
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error "--prod_image_path is required."
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exit 1
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fi
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if [[ -z "${FLAGS_prod_pkgdb_path}" ]]; then
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error "--prod_pkgdb_path is required."
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exit 1
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fi
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for oem; do
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oem_sysext_create "${oem}" "${BOARD}" "${FLAGS_version_id}" "${FLAGS_prod_image_path}" "${FLAGS_prod_pkgdb_path}" "${BUILD_DIR}"
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done
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