mirror of
https://github.com/flatcar/scripts.git
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142 lines
6.4 KiB
Bash
142 lines
6.4 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2021 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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# >>> This file is supposed to be SOURCED from the repository ROOT. <<<
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#
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# image_changes() should be called w/ the positional INPUT parameters below.
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# OS image differences display stub.
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# This script will display the differences between the last released image and the currently built one.
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#
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# PREREQUISITES:
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#
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# 1. Artifacts describing the built image (kernel config, contents, packages, etc.) must be present in build cache server.
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# 2. Scripts repo version tag of OS image version to be built is available and checked out.
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#
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# INPUT:
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#
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# 1. Architecture (ARCH) of the TARGET OS image ("arm64", "amd64").
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#
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# OPTIONAL INPUT:
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#
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# (none)
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#
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# OUTPUT:
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#
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# 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.
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function image_changes() {
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# Run a subshell, so the traps, environment changes and global
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# variables are not spilled into the caller.
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(
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set -euo pipefail
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_image_changes_impl "${@}"
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)
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}
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# --
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function _image_changes_impl() {
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local arch="$1"
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source sdk_lib/sdk_container_common.sh
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local channel=""
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channel="$(get_git_channel)"
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source ci-automation/ci_automation_common.sh
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source ci-automation/gpg_setup.sh
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source sdk_container/.repo/manifests/version.txt
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local vernum="${FLATCAR_VERSION}"
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echo "==================================================================="
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export BOARD_A="${arch}-usr"
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export FROM_A="release"
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if [ "${channel}" = "developer" ]; then
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NEW_CHANNEL="alpha"
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else
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NEW_CHANNEL="${channel}"
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fi
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NEW_CHANNEL_VERSION_A=$(curl -fsSL --retry-delay 1 --retry 60 --retry-connrefused --retry-max-time 60 --connect-timeout 20 "https://${NEW_CHANNEL}.release.flatcar-linux.net/${BOARD_A}/current/version.txt" | grep -m 1 FLATCAR_VERSION= | cut -d = -f 2)
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MAJOR_A=$(echo "${NEW_CHANNEL_VERSION_A}" | cut -d . -f 1)
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MAJOR_B=$(echo "${FLATCAR_VERSION}" | cut -d . -f 1)
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# When the major version for the new channel is different, a transition has happened and we can find the previous release in the old channel
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if [ "${MAJOR_A}" != "${MAJOR_B}" ]; then
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case "${NEW_CHANNEL}" in
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lts)
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CHANNEL_A=stable
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;;
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stable)
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CHANNEL_A=beta
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;;
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*)
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CHANNEL_A=alpha
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;;
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esac
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VERSION_A=$(curl -fsSL --retry-delay 1 --retry 60 --retry-connrefused --retry-max-time 60 --connect-timeout 20 "https://${CHANNEL_A}.release.flatcar-linux.net/${BOARD_A}/current/version.txt" | grep -m 1 FLATCAR_VERSION= | cut -d = -f 2)
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else
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CHANNEL_A="${NEW_CHANNEL}"
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VERSION_A="${NEW_CHANNEL_VERSION_A}"
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fi
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export VERSION_A
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export CHANNEL_A
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export FROM_B="bincache"
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export VERSION_B="${vernum}"
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export BOARD_B="${arch}-usr"
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# First parts of the size-changes-report specs, the kind is
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# appended at call sites.
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SPEC_A_PART="${FROM_A}:${CHANNEL_A}:${arch}-usr:${VERSION_A}"
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SPEC_B_PART="${FROM_B}:${arch}:${VERSION_B}"
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# CHANNEL_B is unused
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echo "== Image differences compared to ${CHANNEL_A} ${VERSION_A} =="
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NEW_VERSION=$(git tag --points-at HEAD)
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cd ..
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rm -rf flatcar-build-scripts
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git clone "https://github.com/flatcar/flatcar-build-scripts"
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# Don't fail the job
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set +e
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echo "Package updates, compared to ${CHANNEL_A} ${VERSION_A}:"
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FILE=flatcar_production_image_packages.txt flatcar-build-scripts/package-diff "${VERSION_A}" "${VERSION_B}"
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echo
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echo "Image file changes, compared to ${CHANNEL_A} ${VERSION_A}:"
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FILE=flatcar_production_image_contents.txt FILESONLY=1 CUTKERNEL=1 flatcar-build-scripts/package-diff "${VERSION_A}" "${VERSION_B}"
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echo
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echo "Image kernel config changes, compared to ${CHANNEL_A} ${VERSION_A}:"
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FILE=flatcar_production_image_kernel_config.txt flatcar-build-scripts/package-diff "${VERSION_A}" "${VERSION_B}"
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echo
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echo "Image init ramdisk file changes, compared to ${CHANNEL_A} ${VERSION_A}:"
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FILE=flatcar_production_image_initrd_contents.txt FILESONLY=1 flatcar-build-scripts/package-diff "${VERSION_A}" "${VERSION_B}"
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echo
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echo "Image file size changes, compared to ${CHANNEL_A} ${VERSION_A}:"
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if ! flatcar-build-scripts/size-change-report.sh "${SPEC_A_PART}:wtd" "${SPEC_B_PART}:wtd"; then
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flatcar-build-scripts/size-change-report.sh "${SPEC_A_PART}:old" "${SPEC_B_PART}:old"
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fi
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echo
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echo "Image init ramdisk file size changes, compared to ${CHANNEL_A} ${VERSION_A}:"
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if ! flatcar-build-scripts/size-change-report.sh "${SPEC_A_PART}:initrd-wtd" "${SPEC_B_PART}:initrd-wtd"; then
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flatcar-build-scripts/size-change-report.sh "${SPEC_A_PART}:initrd-old" "${SPEC_B_PART}:initrd-old"
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fi
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echo "Take the total size difference with a grain of salt as normally initrd is compressed, so the actual difference will be smaller."
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echo "To see the actual difference in size, see if there was a report for /boot/flatcar/vmlinuz-a."
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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."
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echo
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echo "Image file size change (includes /boot, /usr and the default rootfs partitions), compared to ${CHANNEL_A} ${VERSION_A}:"
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FILE=flatcar_production_image_contents.txt CALCSIZE=1 flatcar-build-scripts/package-diff "${VERSION_A}" "${VERSION_B}"
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echo
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BASE_URL="http://${BUILDCACHE_SERVER}/images/${arch}/${vernum}"
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echo "Image URL: ${BASE_URL}/flatcar_production_image.bin.bz2"
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echo
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# Provide a python3 command for the CVE DB parsing
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export PATH="$PATH:$PWD/scripts/ci-automation/python-bin"
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# The first changelog we print is always against the previous version of the new channel (is only same as CHANNEL_A VERSION_A without a transition)
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flatcar-build-scripts/show-changes "${NEW_CHANNEL}-${NEW_CHANNEL_VERSION_A}" "${NEW_VERSION}"
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# See if a channel transition happened and print the changelog against CHANNEL_A VERSION_A which is the previous release
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if [ "${CHANNEL_A}" != "${NEW_CHANNEL}" ]; then
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flatcar-build-scripts/show-changes "${CHANNEL_A}-${VERSION_A}" "${NEW_VERSION}"
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fi
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set -e
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}
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# --
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