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090d7ec176
The functions are sourcing other files that define global variables, so they will spill into the callers shell unnecessarily. We will also add some functionality that uses traps in follow-up commits, so it's good to limit the scope of traps too.
132 lines
5.2 KiB
Bash
132 lines
5.2 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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# sdk_bootstrap() should be called w/ the positional INPUT parameters below.
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# Bootstrap SDK build automation stub.
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# This script will use a seed SDK container + tarball to bootstrap a
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# new SDK tarball.
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#
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# INPUT:
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#
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# 1. Version of the SEED SDK to use (string).
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# The seed SDK tarball must be available on https://mirror.release.flatcar-linux.net/sdk/ ...
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# The seed SDK container must be available from https://github.com/orgs/flatcar-linux/packages
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# (via ghcr.io/flatcar-linux/flatcar-sdk-all:[VERSION]).
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#
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# 2. Version of the TARGET SDK to build (string).
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# The version pattern 'MMMM.m.p' (e.g. '3051.0.0') denotes a "official" build, i.e. a release build to be published.
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# Use any version diverging from the pattern (e.g. '3051.0.0-nightly-4302') for development / CI builds.
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# A free-standing tagged commit will be created in the scripts repo and pushed upstream.
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#
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# OPTIONAL INPUT:
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#
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# 3. coreos-overlay repository tag to use (commit-ish).
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# This version will be checked out / pulled from remote in the coreos-overlay git submodule.
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# The submodule config will be updated to point to this version before the TARGET SDK tag is created and pushed.
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# Leave empty to use coreos-overlay as-is.
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#
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# 4. portage-stable repository tag to use (commit-ish).
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# This version will be checked out / pulled from remote in the portage-stable git submodule.
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# The submodule config will be updated to point to this version before the TARGET SDK tag is created and pushed.
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# Leave empty to use portage-stable as-is.
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#
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# 5. ARCH. Environment variable. Target architecture for the SDK to run on.
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# Either "amd64" or "arm64"; defaults to "amd64" if not set.
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#
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# OUTPUT:
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#
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# 1. SDK tarball (gentoo catalyst output) of the new SDK, pushed to buildcache.
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# 2. Updated scripts repository
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# - version tag w/ submodules
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# - sdk_container/.repo/manifests/version.txt denotes new SDK version
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# 3. "./ci-cleanup.sh" with commands to clean up temporary build resources,
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# to be run after this step finishes / when this step is aborted.
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function sdk_bootstrap() {
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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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_sdk_bootstrap_impl "${@}"
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)
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}
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# --
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function _sdk_bootstrap_impl() {
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local seed_version="$1"
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local version="$2"
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local coreos_git="${3-}"
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local portage_git="${4-}"
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: ${ARCH:="amd64"}
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source ci-automation/ci_automation_common.sh
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init_submodules
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check_version_string "${version}"
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if [ -n "${coreos_git}" ] ; then
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update_submodule "coreos-overlay" "${coreos_git}"
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fi
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if [ -n "${portage_git}" ] ; then
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update_submodule "portage-stable" "${portage_git}"
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fi
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# Create new tag in scripts repo w/ updated versionfile + submodules.
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# Also push the changes to the branch ONLY IF we're doing a nightly
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# build of the 'main' branch AND we're definitely ON the main branch
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# (`scripts` and submodules).
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local push_branch="false"
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if [[ "${version}" =~ ^main-[0-9.]+-nightly-[-0-9]+$ ]] \
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&& [ "$(git rev-parse --abbrev-ref HEAD)" = "main" ] \
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&& [ "$(git -C sdk_container/src/third_party/coreos-overlay/ rev-parse --abbrev-ref HEAD)" = "main" ] \
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&& [ "$(git -C sdk_container/src/third_party/portage-stable/ rev-parse --abbrev-ref HEAD)" = "main" ] ; then
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push_branch="true"
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local existing_tag=""
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existing_tag=$(git tag --points-at HEAD) # exit code is always 0, output may be empty
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# If the found tag is a nightly tag, we stop this build if there are no changes
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if [[ "${existing_tag}" =~ ^main-[0-9.]+-nightly-[-0-9]+$ ]]; then
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local ret=0
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git diff --exit-code "${existing_tag}" || ret=$?
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if [ "$ret" = "0" ]; then
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echo "Stopping build because there are no changes since tag ${existing_tag}" >&2
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return 0
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elif [ "$ret" = "1" ]; then
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echo "Found changes since last tag ${existing_tag}" >&2
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else
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echo "Error: Unexpected git diff return code (${ret})" >&2
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return 1
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fi
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fi
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fi
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local vernum="${version#*-}" # remove alpha-,beta-,stable-,lts- version tag
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local git_vernum="${vernum}"
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# Update FLATCAR_VERSION[_ID], BUILD_ID, and SDK in versionfile
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(
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source sdk_lib/sdk_container_common.sh
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create_versionfile "${vernum}"
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)
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update_and_push_version "${version}" "${push_branch}"
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./bootstrap_sdk_container -x ./ci-cleanup.sh "${seed_version}" "${vernum}"
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# push SDK tarball to buildcache
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# Get Flatcar version number format (separator is '+' instead of '-',
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# equal to $(strip_version_prefix "$version")
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source sdk_container/.repo/manifests/version.txt
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local dest_tarball="flatcar-sdk-${ARCH}-${FLATCAR_SDK_VERSION}.tar.bz2"
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cd "__build__/images/catalyst/builds/flatcar-sdk"
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copy_to_buildcache "sdk/${ARCH}/${FLATCAR_SDK_VERSION}" "${dest_tarball}"*
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cd -
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}
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# --
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