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Initial checkin of docker-aci build script
This commit is contained in:
Euan Kemp
Euan Kemp
parent
20325a547f
commit
1186d2875a
91
build_docker_aci
Executable file
91
build_docker_aci
Executable file
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#!/bin/bash
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# Copyright (c) 2016 The CoreOS Authors. All rights reserved.
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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 is a wrapper around the ebuild_aci_util.sh functions to set up the
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# necessary environment, similar to the build_image script.
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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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restart_in_chroot_if_needed "$@"
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assert_not_root_user
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# Developer-visible flags.
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DEFINE_string board "${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_boolean getbinpkg "${FLAGS_FALSE}" \
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"Download binary packages from remote repository."
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DEFINE_string getbinpkgver "" \
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"Use binary packages from a specific version."
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FLAGS_HELP="USAGE: build_docker_aci [flags] [docker version].
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This script is used to build a CoreOS docker-skim ACI.
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The version should identify an existent ebuild (i.e. app-emulation/docker-\$version).
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Examples:
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build_docker_aci --board=amd64-usr --build_dir=<build_dir> 1.12.6
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...
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"
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show_help_if_requested "$@"
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# The following options are advanced options, only available to those willing
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# to read the source code. They are not shown in help output, since they are
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# not needed for the typical developer workflow.
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DEFINE_integer build_attempt 1 \
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"The build attempt for this image build."
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DEFINE_string group "docker-aci" \
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"The update group (not used for actual updates here)"
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DEFINE_string output_root "${DEFAULT_BUILD_ROOT}/images" \
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"Directory in which to place image result directories (named by version)"
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DEFINE_string version "" \
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"Overrides version number in name to this version."
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# Parse command line.
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FLAGS "$@" || exit 1
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[ -z "${FLAGS_ARGV}" ] && echo 'No version given' && exit 0
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eval set -- "${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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# If downloading packages is enabled ensure the board is configured properly.
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if [[ ${FLAGS_getbinpkg} -eq ${FLAGS_TRUE} ]]; then
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"${SRC_ROOT}/scripts/setup_board" --board="${FLAGS_board}" \
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--getbinpkgver="${FLAGS_getbinpkgver}" --regen_configs_only
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fi
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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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. "${BUILD_LIBRARY_DIR}/build_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/prod_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/test_image_content.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/ebuild_aci_util.sh" || exit 1
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BUILD_DIR=${FLAGS_build_dir:-$BUILD_DIR}
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# TODO: this should be per-version; not all docker versions have the same binaries
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packaged_files=(
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"/usr/bin/docker"
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"/usr/bin/dockerd"
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"/usr/bin/docker-containerd"
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"/usr/bin/docker-containerd-shim"
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"/usr/bin/docker-proxy"
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"/usr/bin/docker-runc"
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"/usr/lib/coreos/dockerd"
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)
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for version; do
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ebuild_aci_create "users.developer.core-os.net/skim/docker" "coreos_docker-${version}-${BOARD}" "app-emulation/docker" "${version}" "${packaged_files[@]}"
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done
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14
build_library/ebuild_aci_manifest.in
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14
build_library/ebuild_aci_manifest.in
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{
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"acKind": "ImageManifest",
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"acVersion": "0.8.6",
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"name": "@ACI_NAME@",
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"labels": [
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{"name": "arch", "value": "@ACI_ARCH@"},
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{"name": "os", "value": "linux"},
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{"name": "version", "value": "@ACI_VERSION@"}
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],
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"app": {
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"user": "0",
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"group": "0"
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}
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}
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96
build_library/ebuild_aci_util.sh
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96
build_library/ebuild_aci_util.sh
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# Copyright (c) 2016 The CoreOS Authors. All rights reserved.
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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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# Expects BOARD, BUILD_DIR, BUILD_LIBRARY_DIR, and COREOS_VERSION in env.
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# Copied from create_prod_image()
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create_ebuild_aci_image() {
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local image_name="$1"
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local disk_layout="$2"
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local update_group="$3"
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local pkg="$4"
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info "Building ACI staging image ${image_name}"
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local root_fs_dir="${BUILD_DIR}/rootfs"
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local image_contents="${image_name%.bin}_contents.txt"
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local image_packages="${image_name%.bin}_packages.txt"
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local image_licenses="${image_name%.bin}_licenses.txt"
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start_image \
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"${image_name}" "${disk_layout}" "${root_fs_dir}" "${update_group}"
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# Install minimal GCC (libs only) and then everything else
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extract_prod_gcc "${root_fs_dir}"
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emerge_to_image_unchecked "${root_fs_dir}" "${pkg}"
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run_ldconfig "${root_fs_dir}"
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write_packages "${root_fs_dir}" "${BUILD_DIR}/${image_packages}"
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write_licenses "${root_fs_dir}" "${BUILD_DIR}/${image_licenses}"
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cleanup_mounts "${root_fs_dir}"
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trap - EXIT
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}
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ebuild_aci_write_manifest() {
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local manifest="${1?No output path was specified}"
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local name="${2?No ACI name was specified}"
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local version="${3?No ACI version was specified}"
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local appc_arch=
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case "${BOARD}" in
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amd64-usr) appc_arch=amd64 ;;
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arm64-usr) appc_arch=aarch64 ;;
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*) die_notrace "Cannot map \"${BOARD}\" to an appc arch" ;;
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esac
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sudo cp "${BUILD_LIBRARY_DIR}/ebuild_aci_manifest.in" "${manifest}"
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sudo sed "${manifest}" -i \
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-e "s,@ACI_NAME@,${name}," \
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-e "s,@ACI_VERSION@,${version}," \
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-e "s,@ACI_ARCH@,${appc_arch},"
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}
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ebuild_aci_create() {
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local aciroot="${BUILD_DIR}"
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local aci_name="${1?No aci name was specified}"; shift
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local output_image="${1?No output file specified}"; shift
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local pkg="${1?No package given}"; shift
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local version="${1?No package version given}"; shift
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local pkg_files=( "${@}" )
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local staging_image="coreos_pkg_staging_aci_stage.bin"
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local ebuild_atom="=${pkg}-${version}"
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local ebuild=$(equery-"${BOARD}" w "${ebuild_atom}" 2>/dev/null)
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[ -n "${ebuild}" ] || die_notrace "No ebuild exists for ebuild \"${pkg}\""
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# Build a staging image for this ebuild.
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create_ebuild_aci_image "${staging_image}" container stable "${ebuild_atom}"
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# Remount the staging image to brutalize the rootfs for broken services.
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"${BUILD_LIBRARY_DIR}/disk_util" --disk_layout=container \
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mount "${BUILD_DIR}/${staging_image}" "${aciroot}/rootfs"
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trap "cleanup_mounts '${aciroot}/rootfs' && delete_prompt" EXIT
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# Substitute variables into the manifest to produce the final version.
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# TODO: tag with the right version
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ebuild_aci_write_manifest \
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"${aciroot}/manifest" \
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"${aci_name}" \
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"${version}"
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local pkg_files_in_rootfs=( "${pkg_files[@]/#/rootfs}" )
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# Write a tar ACI file containing the manifest and desired parts of the mounted rootfs
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sudo tar -C "${aciroot}" -hczf "${BUILD_DIR}/${output_image}.aci" \
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manifest ${pkg_files_in_rootfs[@]}
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# Unmount the staging image, and delete it to save space.
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cleanup_mounts "${aciroot}/rootfs"
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trap - EXIT
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rm -f "${BUILD_DIR}/${staging_image}"
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echo "Created aci for ${pkg}-${version}: ${BUILD_DIR}/${output_image}.aci"
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}
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