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flatcar-scripts/ci-automation/image_changes.sh
Krzesimir Nowak 1b8344b013 ci-automation/image-changes: Ignore signature path in /tmp 
Signed-off-by: Krzesimir Nowak <knowak@microsoft.com>
2025-10-27 10:36:00 +01:00

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#!/bin/bash
#
# Copyright (c) 2021 The Flatcar Maintainers.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# >>> This file is supposed to be SOURCED from the repository ROOT. <<<
#
# image_changes() should be called w/ the positional INPUT parameters below.
# OS image differences display stub.
# This script will display the differences between the last released image and the currently built one.
#
# PREREQUISITES:
#
# 1. Artifacts describing the built image (kernel config, contents, packages, etc.) must be present in build cache server.
# 2. Scripts repo version tag of OS image version to be built is available and checked out.
#
# INPUT:
#
# 1. Architecture (ARCH) of the TARGET OS image ("arm64", "amd64").
# 2. What to compare against, must be either "last-release" or "last-nightly".
#
# OPTIONAL INPUT:
#
# (none)
#
# OUTPUT:
#
# 1. Currently the script prints the image differences compared to the last release and the changelog for the release notes but doesn't store it yet in the buildcache.
# Run a subshell, so the traps, environment changes and global
# variables are not spilled into the caller.
function image_changes() (
set -euo pipefail
local arch what
arch=${1}; shift
# make nightly and release from last-nightly and last-release, respectively
mode=${1#last-}; shift
local fbs_repo='../flatcar-build-scripts'
rm -rf "${fbs_repo}"
git clone \
--depth 1 \
--single-branch \
"https://github.com/flatcar/flatcar-build-scripts" \
"${fbs_repo}"
if [[ -z "${BUILDCACHE_SERVER:-}" ]]; then
local BUILDCACHE_SERVER
BUILDCACHE_SERVER=$(source ci-automation/ci-config.env; echo "${BUILDCACHE_SERVER}")
fi
local version
version=$(source sdk_container/.repo/manifests/version.txt; echo "${FLATCAR_VERSION}")
echo "Image URL: http://${BUILDCACHE_SERVER}/images/${arch}/${version}/flatcar_production_image.bin.bz2"
echo
run_image_changes_job "${arch}" "${mode}" '-' "${fbs_repo}" ricj_callback
)
# --
# Callback invoked by run_image_changes_job, read its docs to learn
# about the details about the callback.
function ricj_callback() {
local ic_head_tag version
head_git_tag . ic_head_tag
version=$(source sdk_container/.repo/manifests/version.txt; echo "${FLATCAR_VERSION}")
package_diff_env+=(
"FROM_B=bincache"
"BOARD_B=${arch}-usr"
# CHANNEL_B is unused
)
package_diff_params+=(
"${version}"
)
# Nothing to add to size changes env.
size_changes_params+=(
"bincache:${arch}:${version}"
)
show_changes_env+=(
# Provide a python3 command for the CVE DB parsing
"PATH=${PATH}:${PWD}/ci-automation/python-bin"
# Override the default locations of repositories.
"SCRIPTS_REPO=."
"COREOS_OVERLAY_REPO=../coreos-overlay"
"PORTAGE_STABLE_REPO=../portage-stable"
)
show_changes_params+=(
# The show-changes script expects a tag name, so using git tag
# here instead of the vernum variable.
"NEW_VERSION=${ic_head_tag}"
)
}
# --
# Runs the whole image changes job for given arch and mode. The report
# is written to the given file. The reports will be done using tools
# from the passed path to the flatcar build scripts repository. The
# parameters and environment of the tools should will be partially set
# up depending on mode, but the further setup should be done by the
# passed callback.
#
# The callback takes no parameters. It should assume that array
# variables 'package_diff_env', 'package_diff_params',
# 'size_changes_env', 'size_changes_params', 'show_changes_env' and
# 'show_changes_params' are already defined, so it can append
# necessary data into them.
#
# 1 - arch
# 2 - mode
# 3 - report file name ('-' for standard output)
# 4 - path to the flatcar-build-scripts repository
# 5 - name of a callback function
function run_image_changes_job() {
arch=${1}; shift
mode=${1}; shift
report_file_name=${1}; shift
fbs_repo=${1}; shift
cb=${1}; shift
case ${mode} in
release|nightly)
:
;;
*)
echo "invalid mode ${mode@Q}, expected 'nightly' or 'release'" >&2
exit 1
;;
esac
local -a package_diff_env package_diff_params
local -a size_changes_env size_changes_params
local -a show_changes_env show_changes_params
local version_description
local -a var_names=(
package_diff_env package_diff_params
size_changes_env size_changes_params
show_changes_env show_changes_params
version_description
)
local git_tag_for_mode prepare_env_vars_and_params_for_mode
git_tag_for_mode="git_tag_for_${mode}"
prepare_env_vars_and_params_for_mode="prepare_env_vars_and_params_for_${mode}"
local git_tag
"${git_tag_for_mode}" . git_tag
"${prepare_env_vars_and_params_for_mode}" "${arch}" "${git_tag}" "${var_names[@]}"
# invoke callback that should append necessary info to env and params variables
"${cb}"
local -a oemids base_sysexts extra_sysexts
get_oem_id_list . "${arch}" oemids
get_base_sysext_list . base_sysexts
get_extra_sysext_list . "${arch}" extra_sysexts
generate_image_changes_report \
"${version_description}" "${report_file_name}" "${fbs_repo}" \
"${package_diff_env[@]}" --- "${package_diff_params[@]}" -- \
"${size_changes_env[@]}" --- "${size_changes_params[@]}" -- \
"${show_changes_env[@]}" --- "${show_changes_params[@]}" -- \
"${oemids[@]}" -- "${base_sysexts[@]}" -- "${extra_sysexts[@]}"
}
# --
# Gets a git tag that can be passed to
# prepare_env_vars_and_params_for_release.
#
# 1 - scripts repo
# 2 - name of a variable to store the result in
function git_tag_for_release() {
local scripts_repo git_tag_var_name
scripts_repo=${1}; shift
git_tag_var_name=${1}; shift
head_git_tag "${scripts_repo}" "${git_tag_var_name}"
local -n git_tag_ref="${git_tag_var_name}"
local version_file version_id build_id minor_version channel
if [[ ${git_tag_ref} = 'HEAD' ]]; then
# Welp, we wanted to have something in form of
# <channel>-<version_id>-<build_id>, fake something up from
# version file. Figuring out the channel is a heuristic at
# best.
version_file="${scripts_repo}/sdk_container/.repo/manifests/version.txt"
if [[ ! -e ${version_file} ]]; then
echo "The scripts repo at '${scripts_repo}' is messed up, has no version file" >&2
exit 1
fi
version_id=$(source "${version_file}"; printf '%s' "${FLATCAR_VERSION_ID}")
build_id=$(source "${version_file}"; printf '%s' "${FLATCAR_BUILD_ID}")
minor_version=${version_id#*.}
minor_version=${minor_version%.*}
case ${minor_version} in
0)
channel=alpha
;;
1)
channel=beta
;;
2)
channel=stable
;;
3)
channel=lts
;;
*)
channel=main
;;
esac
git_tag_ref="${channel}-${version_id}-${build_id}"
fi
}
function head_git_tag() {
local scripts_repo
scripts_repo=${1}; shift
local -n git_tag_ref="${1}"; shift
git_tag_ref=$(git -C "${scripts_repo}" tag --points-at HEAD)
if [[ -z ${git_tag_ref} ]]; then
git_tag_ref='HEAD'
fi
}
# Gets a git tag of a previous nightly that can be passed to
# prepare_env_vars_and_params_for_nightly.
#
# 1 - scripts repo
# 2 - name of a variable to store the result in
function git_tag_for_nightly() {
local scripts_repo
scripts_repo=${1}; shift
local -n git_tag_ref="${1}"; shift
local head_tag search_object
head_tag=$(git -C "${scripts_repo}" tag --points-at HEAD)
search_object='HEAD'
if [[ ${head_tag} = *-nightly-* ]] && [[ ! ${head_tag} = *-INTERMEDIATE ]]; then
# HEAD is a nightly, pick an earlier commit to avoid comparing with itself
search_object='HEAD^'
fi
git_tag_ref=$(git -C "${scripts_repo}" describe --tags --abbrev=0 --match='*-nightly-*' --exclude='*-INTERMEDIATE' "${search_object}")
}
# Gets a list of OEMs that are using sysexts.
#
# 1 - scripts repo
# 2 - arch
# 3 - name of an array variable to store the result in
function get_oem_id_list() {
local scripts_repo arch list_var_name
scripts_repo=${1}; shift
arch=${1}; shift
list_var_name=${1}; shift
local -a ebuilds=("${scripts_repo}/sdk_container/src/third_party/coreos-overlay/coreos-base/common-oem-files/common-oem-files-"*'.ebuild')
if [[ ${#ebuilds[@]} -eq 0 ]] || [[ ! -e ${ebuilds[0]} ]]; then
echo "No coreos-base/common-oem-files ebuilds?!" >&2
exit 1
fi
# This defines local COMMON_OEMIDS, AMD64_ONLY_OEMIDS,
# ARM64_ONLY_OEMIDS and OEMIDS variable. We don't use the last
# one. Also defines global-by-default EAPI, which we make local
# here to avoid making it global.
local EAPI
source "${ebuilds[0]}" flatcar-local-variables
local -n arch_oemids_ref="${arch^^}_ONLY_OEMIDS"
local all_oemids=(
"${COMMON_OEMIDS[@]}"
"${arch_oemids_ref[@]}"
)
mapfile -t "${list_var_name}" < <(printf '%s\n' "${all_oemids[@]}" | sort)
}
function get_base_sysext_list() {
local scripts_repo=${1}; shift
local -n list_var_ref=${1}; shift
source "${scripts_repo}/ci-automation/base_sysexts.sh" 'local'
list_var_ref=( "${ciabs_base_sysexts[@]%%|*}" )
}
function get_extra_sysext_list() {
local scripts_repo=${1}; shift
local arch=${1}; shift
local -n list_var_ref=${1}; shift
# The EXTRA_SYSEXTS variable is defined at the top of the file,
# below it is some extra stuff we don't want. So source only the
# portion with the EXTRA_SYSEXTS variable.
local -i line_idx
line_idx=$(grep --line-regexp --fixed-strings --line-number --max-count=1 --regexp=')' build_library/extra_sysexts.sh | cut --fields=1 --delimiter=':')
local -a EXTRA_SYSEXTS
source <(head --lines=${line_idx} build_library/extra_sysexts.sh)
# Get sysext names only if they are valid for the passed
# architecture.
local entry name pkgs_csv uses_csv arches_csv ok_arch ok
local -a arches pkgs names=()
for entry in "${EXTRA_SYSEXTS[@]}"; do
# The "uses" field has spaces, so turn them into commas, so we
# can turn pipes into spaces and make a use of read for entire
# entry.
entry=${entry// /,}
entry=${entry//|/ }
read -r name pkgs_csv uses_csv arches_csv <<<"${entry}"
ok=x
if [[ -n ${arches_csv} ]]; then
ok=
read -r -a arches <<<"${arches_csv//,/ }"
for ok_arch in "${arches[@]}"; do
if [[ ${ok_arch} = "${arch}" ]]; then
ok=x
break
fi
done
fi
if [[ -z ${ok} ]]; then
continue
fi
names+=( "${name}" )
done
list_var_ref=( "${names[@]}" )
}
# Generates reports with passed parameters. The report is redirected
# into the passed report file.
#
# 1 - version description (a free form string that describes a version of image that current version is compared against)
# 2 - report file (can be relative), '-' for standard output
# 3 - flatcar-build-scripts directory (can be relative, will be realpathed)
# @ - package-diff env vars --- package-diff version B param -- size-change-report.sh env vars --- size-change-report.sh spec B param -- show-changes env vars --- show-changes param overrides -- list of OEM ids -- list of base sysext names -- list of extra sysext names
#
# Example:
#
# generate_image_changes_report \\
# 'Alpha 3456.0.0' reports/images.txt ../flatcar-build-scripts .. \\
# FROM_A=release BOARD_A=amd64-usr CHANNEL_A=alpha FROM_B=bincache BOARD_B=amd64-usr --- \\
# 3456.0.0 3478.0.0+my-changes -- \\
# --- \\
# release:amd64-usr:3456.0.0 bincache:amd64:3478.0.0+my-changes -- \\
# "PATH=${PATH}:${PWD}/ci-automation/python-bin" --- \\
# NEW_VERSION=main-3478.0.0-my-changes NEW_CHANNEL=alpha NEW_CHANNEL_PREV_VERSION=3456.0.0 OLD_CHANNEL=alpha OLD_VERSION='' -- \\
# azure vmware -- containerd-flatcar docker-flatcar -- python podman zfs
function generate_image_changes_report() (
set -euo pipefail
local version_description=${1}; shift
local report_output=${1}; shift
local flatcar_build_scripts_repo=${1}; shift
# rest is forwarded verbatim to print_image_reports
local print_image_reports_invocation=(
print_image_reports
"${flatcar_build_scripts_repo}" "${version_description}" "${@}"
)
# Using "|| :" to avoid failing the job.
if [[ ${report_output} = '-' ]]; then
"${print_image_reports_invocation[@]}" || :
else
{
"${print_image_reports_invocation[@]}" || :
} >"${report_output}"
fi
)
# --
# Prepares the tool parameters, so they compare against the last
# release relative to the git tag. The git tag should be in form of
# <channel>-<version id>-<build id>, which is the usual format used in
# scripts repo.
function prepare_env_vars_and_params_for_release() {
local arch git_tag
arch=${1}; shift
git_tag=${1}; shift
local -n package_diff_env_ref="${1}"; shift
local -n package_diff_params_ref="${1}"; shift
local -n size_changes_env_ref="${1}"; shift
local -n size_changes_params_ref="${1}"; shift
local -n show_changes_env_ref="${1}"; shift
local -n show_changes_params_ref="${1}"; shift
local -n version_description_ref="${1}"; shift
local ppfr_channel ppfr_version_id ppfr_build_id ppfr_version ppfr_vernum
split_tag "${git_tag}" ppfr_channel ppfr_version_id ppfr_build_id ppfr_version ppfr_vernum
if [[ ${ppfr_channel} = 'main' ]]; then
ppfr_channel='alpha'
fi
local board new_channel new_channel_prev_version channel_a version_a
board="${arch}-usr"
new_channel="${ppfr_channel}"
if [[ ${new_channel} = 'lts' ]]; then
new_channel_prev_version=$(lts_channel_version "${ppfr_version_id%%.*}" "${board}")
else
new_channel_prev_version=$(channel_version "${new_channel}" "${board}")
fi
channel_a=''
version_a=''
get_channel_a_and_version_a "${new_channel}" "${new_channel_prev_version}" "${ppfr_version}" "${board}" channel_a version_a
package_diff_env_ref=(
# For A.
"FROM_A=release"
"BOARD_A=${board}"
"CHANNEL_A=${channel_a}"
)
package_diff_params_ref=(
# For A.
"${version_a}"
)
# Nothing to prepend to size_changes_env.
size_changes_env_ref=()
# First parts of the size-changes-report specs, the kind is
# appended at call sites.
size_changes_params_ref=(
# For A.
"release:${channel_a}:${board}:${version_a}"
)
# Nothing to prepend to show_changes_env.
show_changes_env_ref=()
show_changes_params_ref=(
"NEW_CHANNEL=${new_channel}"
"NEW_CHANNEL_PREV_VERSION=${new_channel_prev_version}"
# Channel transition stuff
"OLD_CHANNEL=${channel_a}"
"OLD_VERSION=${version_a}"
)
version_description_ref="${channel_a} ${version_a}"
}
# --
# Prepares the tool parameters, so they compare against the last
# nightly relative to the git tag. The git tag should be in form of
# <channel>-<version id>-<build id>, which is the usual format used in
# scripts repo.
function prepare_env_vars_and_params_for_nightly() {
local arch git_tag
arch=${1}; shift
git_tag=${1}; shift
local -n package_diff_env_ref="${1}"; shift
local -n package_diff_params_ref="${1}"; shift
local -n size_changes_env_ref="${1}"; shift
local -n size_changes_params_ref="${1}"; shift
local -n show_changes_env_ref="${1}"; shift
local -n show_changes_params_ref="${1}"; shift
local -n version_description_ref="${1}"; shift
local board
board="${arch}-usr"
local ppfb_channel ppfb_version_id ppfb_build_id ppfb_version ppfb_vernum
split_tag "${git_tag}" ppfb_channel ppfb_version_id ppfb_build_id ppfb_version ppfb_vernum
package_diff_env_ref=(
# For A.
"FROM_A=bincache"
"BOARD_A=${board}"
# CHANNEL_A is unused.
)
package_diff_params_ref=(
# For A.
"${ppfb_version}"
)
# Nothing to prepend to size_changes_env.
size_changes_env_ref=()
# First parts of the size-changes-report specs, the kind is
# appended at call sites.
size_changes_params_ref=(
# For A.
"bincache:${arch}:${ppfb_version}"
)
# Nothing to prepend to show_changes_env.
show_changes_env_ref=()
show_changes_params_ref=(
"NEW_CHANNEL=${ppfb_channel}"
"NEW_CHANNEL_PREV_VERSION=${ppfb_vernum}"
# Channel transition stuff, we set the old channel to be the
# same as the new channel to say that there was no channel
# transition. Such would not make any sense here.
"OLD_CHANNEL=${ppfb_channel}"
"OLD_VERSION=${ppfb_vernum}"
)
version_description_ref="development version ${ppfb_channel} ${ppfb_version}"
}
# --
function split_tag() {
local git_tag
git_tag=${1}; shift
local -n channel_ref=${1}; shift
local -n version_id_ref=${1}; shift
local -n build_id_ref=${1}; shift
local -n version_ref=${1}; shift
local -n vernum_ref=${1}; shift
local channel version_id build_id version vernum
channel=${git_tag%%-*}
version_id=${git_tag#*-}
version_id=${version_id%%-*}
build_id=${git_tag#"${channel}-${version_id}"}
if [[ -n ${build_id} ]]; then
build_id=${build_id#-}
version="${version_id}+${build_id}"
vernum="${version_id}-${build_id}"
else
version="${version_id}"
vernum="${version_id}"
fi
channel_ref=${channel}
version_id_ref=${version_id}
build_id_ref=${build_id}
version_ref=${version}
vernum_ref=${vernum}
}
# --
function get_channel_a_and_version_a() {
local new_channel=${1}; shift
local new_channel_prev_version=${1}; shift
local new_channel_new_version=${1}; shift
local board=${1}; shift
local gcaava_channel_a_varname=${1}; shift
local gcaava_version_a_varname=${1}; shift
local -n gcaava_channel_a_ref="${gcaava_channel_a_varname}"
local -n gcaava_version_a_ref="${gcaava_version_a_varname}"
local major_a major_b channel version
major_a=${new_channel_prev_version%%.*}
major_b=${new_channel_new_version%%.*}
# When the major version for the new channel is different, a transition has happened and we can find the previous release in the old channel
if [[ ${major_a} != "${major_b}" ]]; then
case ${new_channel} in
lts)
channel=stable
;;
stable)
channel=beta
;;
*)
channel=alpha
;;
esac
version=$(channel_version "${channel}" "${board}")
else
channel="${new_channel}"
version="${new_channel_prev_version}"
fi
gcaava_channel_a_ref=${channel}
gcaava_version_a_ref=${version}
}
# --
function lts_channel_version() (
local major=${1}; shift
local board=${1}; shift
local tmp_lts_info tmp_version_txt
tmp_lts_info=$(mktemp)
tmp_version_txt=$(mktemp)
# This function runs in a subshell, so we can have our own scoped
# traps.
trap 'rm "${tmp_lts_info}" "${tmp_version_txt}"' EXIT
curl_to_stdout 'https://lts.release.flatcar-linux.net/lts-info' >"${tmp_lts_info}"
local line tuple lts_major year
while read -r line; do
# each line is major:year:(supported|unsupported)
mapfile -t tuple <<<"${line//:/$'\n'}"
lts_major="${tuple[0]}"
if [[ ${lts_major} = "${major}" ]]; then
year="${tuple[1]}"
break
fi
done <"${tmp_lts_info}"
curl_to_stdout "https://lts.release.flatcar-linux.net/${board}/current-${year}/version.txt" >"${tmp_version_txt}"
source "${tmp_version_txt}"
echo "${FLATCAR_VERSION}"
)
# --
# Gets the latest release for given channel and board. For lts channel
# gets a version of the latest LTS. Runs in a subshell.
function channel_version() (
local channel=${1}; shift
local board=${1}; shift
local tmp_version_txt
tmp_version_txt=$(mktemp)
# This function runs in a subshell, so we can have our own scoped
# traps.
trap 'rm "${tmp_version_txt}"' EXIT
curl_to_stdout "https://${channel}.release.flatcar-linux.net/${board}/current/version.txt" >"${tmp_version_txt}"
source "${tmp_version_txt}"
echo "${FLATCAR_VERSION}"
)
# --
function curl_to_stdout() {
local url=${1}; shift
curl \
-fsSL \
--retry-delay 1 \
--retry 60 \
--retry-connrefused \
--retry-max-time 60 \
--connect-timeout 20 \
"${url}"
}
# --
# Prints some reports using scripts from the passed path to
# flatcar-build-scripts repo. The environment and parameters for the
# scripts are passed as follows:
#
# print_image_reports <flatcar-build-scripts-directory> <previous version description> \\
# <env vars for package-diff> --- <parameters for package-diff> -- \\
# <env vars for size-change-report.sh> --- <parameters for size-change-report.sh> -- \\
# <env vars for show-changes> --- <parameters for show-changes> -- \\
# <list of OEM ids> -- <list of base sysexts> -- <list of extra sysexts>
#
# Env vars are passed to the called scripts verbatim. Parameters are
# described below.
#
# Parameters for package-diff:
#
# Passed directly to the script, so there should only be two
# parameters - for version A and version B.
#
# Parameters for size-change-report.sh:
#
# Passed directly to the script after appending a ':<kind>' to them,
# so there should be only two parameters being specs without the final
# "kind" part.
#
# Parameters for show-changes:
#
# Should come in format of key=value, just like env vars. It's
# expected that the following key-value pairs will be specified - for
# NEW_CHANNEL, NEW_CHANNEL_PREV_VERSION, NEW_VERSION, OLD_CHANNEL and
# OLD_VERSION.
function print_image_reports() {
local flatcar_build_scripts_repo=${1}; shift
local previous_version_description=${1}; shift
local -a package_diff_env=() package_diff_params=()
local -a size_change_report_env=() size_change_report_params=()
local -a show_changes_env=() show_changes_params=()
local -a oemids base_sysexts extra_sysexts
local params_shift=0
split_to_env_and_params \
package_diff_env package_diff_params params_shift \
"${@}"
shift "${params_shift}"
split_to_env_and_params \
size_change_report_env size_change_report_params params_shift \
"${@}"
shift "${params_shift}"
split_to_env_and_params \
show_changes_env show_changes_params params_shift \
"${@}"
shift "${params_shift}"
get_batch_of_args oemids params_shift "${@}"
shift "${params_shift}"
get_batch_of_args base_sysexts params_shift "${@}"
shift "${params_shift}"
get_batch_of_args extra_sysexts params_shift "${@}"
shift "${params_shift}"
flatcar_build_scripts_repo=$(realpath "${flatcar_build_scripts_repo}")
local size_changes_invocation=(
env
"${size_change_report_env[@]}"
"${flatcar_build_scripts_repo}/size-change-report.sh"
)
yell "Image differences compared to ${previous_version_description}"
underline "Package updates, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_packages.txt \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_contents.txt FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file size changes, compared to ${previous_version_description}:"
if ! "${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:wtd}" 2>&1; then
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:old}" 2>&1
fi
underline "Image kernel config changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_kernel_config.txt CUTSIGKEYPATH=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file size change (includes /boot, /usr and the default rootfs partitions), compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_contents.txt CALCSIZE=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
yell "Init ramdisk differences compared to ${previous_version_description}"
underline "Image init ramdisk file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_initrd_contents.txt FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image init ramdisk file size changes, compared to ${previous_version_description}:"
if ! "${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:initrd-wtd}" 2>&1; then
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:initrd-old}" 2>&1
fi
echo
echo "Take the total size difference with a grain of salt as normally initrd is compressed, so the actual difference will be smaller."
echo "To see the actual difference in size, see if there was a report for /boot/flatcar/vmlinuz-a."
echo "Note that vmlinuz-a also contains the kernel code, which might have changed too, so the reported difference does not accurately describe the change in initrd."
echo
yell "Real/full init ramdisk (bootengine.img) differences compared to ${previous_version_description}"
underline "Real/full init ramdisk (bootengine.img) file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE=flatcar_production_image_realinitrd_contents.txt FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1 || true
underline "Real/full init ramdisk (bootengine.img) file size changes, compared to ${previous_version_description}:"
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:realinitrd-wtd}" 2>&1 || true
local base_sysext
for base_sysext in "${base_sysexts[@]}"; do
yell "Base sysext ${base_sysext} changes compared to ${previous_version_description}"
underline "Package updates, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="rootfs-included-sysexts/${base_sysext}_packages.txt" \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="rootfs-included-sysexts/${base_sysext}_contents.txt" FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file size changes, compared to ${previous_version_description}:"
if ! "${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:base-sysext-${base_sysext}-wtd}"; then
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:base-sysext-${base_sysext}-old}" 2>&1
fi
done
local extra_sysext
for extra_sysext in "${extra_sysexts[@]}"; do
yell "Extra sysext ${extra_sysext} changes compared to ${previous_version_description}"
underline "Package updates, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="flatcar-${extra_sysext}_packages.txt" \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="flatcar-${extra_sysext}_contents.txt" FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file size changes, compared to ${previous_version_description}:"
if ! "${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:extra-sysext-${extra_sysext}-wtd}"; then
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:extra-sysext-${extra_sysext}-old}" 2>&1
fi
done
local oemid
for oemid in "${oemids[@]}"; do
yell "Sysext changes for OEM ${oemid} compared to ${previous_version_description}"
underline "Package updates, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="oem-${oemid}_packages.txt" \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file changes, compared to ${previous_version_description}:"
env \
"${package_diff_env[@]}" FILE="oem-${oemid}_contents.txt" FILESONLY=1 CUTKERNEL=1 \
"${flatcar_build_scripts_repo}/package-diff" "${package_diff_params[@]}" 2>&1
underline "Image file size changes, compared to ${previous_version_description}:"
if ! "${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:oem-${oemid}-wtd}"; then
"${size_changes_invocation[@]}" "${size_change_report_params[@]/%/:oem-${oemid}-old}" 2>&1
fi
done
local param
for param in "${show_changes_params[@]}"; do
local "SHOW_CHANGES_${param}"
done
# The first changelog we print is always against the previous
# version of the new channel (is only same as old channel and old
# version without a transition)
yell "Changelog against ${SHOW_CHANGES_NEW_CHANNEL}-${SHOW_CHANGES_NEW_CHANNEL_PREV_VERSION}"
env \
"${show_changes_env[@]}" \
"${flatcar_build_scripts_repo}/show-changes" \
"${SHOW_CHANGES_NEW_CHANNEL}-${SHOW_CHANGES_NEW_CHANNEL_PREV_VERSION}" \
"${SHOW_CHANGES_NEW_VERSION}" 2>&1
# See if a channel transition happened and print the changelog
# against old channel and old version which is the previous
# release
if [ "${SHOW_CHANGES_OLD_CHANNEL}" != "${SHOW_CHANGES_NEW_CHANNEL}" ]; then
yell "Changelog against ${SHOW_CHANGES_OLD_CHANNEL}-${SHOW_CHANGES_OLD_VERSION}"
env \
"${show_changes_env[@]}" \
"${flatcar_build_scripts_repo}/show-changes" \
"${SHOW_CHANGES_OLD_CHANNEL}-${SHOW_CHANGES_OLD_VERSION}" \
"${SHOW_CHANGES_NEW_VERSION}" 2>&1
fi
}
# --
function yell() {
local msg
msg=${1}; shift
local msg_len
msg_len=${#msg}
local y_str
repeat_string '!' $((msg_len + 6)) y_str
printf '\n%s\n!! %s !!\n%s\n\n' "${y_str}" "${msg}" "${y_str}"
}
function underline() {
local msg
msg=${1}; shift
local msg_len
msg_len=${#msg}
local u_str
repeat_string '=' "${msg_len}" u_str
printf '\n%s\n%s\n\n' "${msg}" "${u_str}"
}
function repeat_string() {
local str ntimes out_str_var_name
str="${1}"; shift
ntimes="${1}"; shift
out_str_var_name="${1}"; shift
local -n out_str_ref="${out_str_var_name}"
if [[ ${ntimes} -eq 0 ]]; then
out_str_ref=""
return 0
elif [[ ${ntimes} -eq 1 ]]; then
out_str_ref="${str}"
return 0
fi
local add_one
add_one=$((ntimes % 2))
repeat_string "${str}${str}" $((ntimes / 2)) "${out_str_var_name}"
if [[ add_one -gt 0 ]]; then
out_str_ref+="${str}"
fi
}
# 1 - name of an array variable for environment variables
# 2 - name of an array variable for parameters
# 3 - name of a scalar variable for shift number
# @ - [ env var key=value pair… [ --- [ parameter… [ -- [ garbage… ] ] ] ] ]
function split_to_env_and_params() {
local steap_env_var_name=${1}; shift
local steap_params_var_name=${1}; shift
local steap_to_shift_var_name=${1}; shift
local -n steap_env_var_ref="${steap_env_var_name}"
local -n steap_params_var_ref="${steap_params_var_name}"
local -n steap_to_shift_var_ref="${steap_to_shift_var_name}"
local kv param to_shift=0
local -a env params
env=()
params=()
# rest of parameters are key-value pairs followed by triple dash
# followed by parameters followed by double dash or nothing
for kv; do
if [[ "${kv}" == '--' ]]; then
break
fi
to_shift=$((to_shift + 1))
if [[ "${kv}" == '---' ]]; then
break
fi
env+=( "${kv}" )
done
shift "${to_shift}"
for param; do
to_shift=$((to_shift + 1))
if [[ "${param}" == '--' ]]; then
break
fi
params+=( "${param}" )
done
steap_env_var_ref=( "${env[@]}" )
steap_params_var_ref=( "${params[@]}" )
steap_to_shift_var_ref=${to_shift}
}
# --
# 1 - name of an array variable that will contain the args
# 2 - name of a scalar variable for shift number
# @ - args with -- as batch separator
function get_batch_of_args() {
local -n batch_ref=${1}; shift
local -n shift_ref=${1}; shift
batch_ref=()
shift_ref=0
local arg
for arg; do
shift_ref=$((shift_ref + 1))
if [[ ${arg} = '--' ]]; then
break
fi
batch_ref+=( "${arg}" )
done
}
# --
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