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vms.sh
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vms.sh
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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. <<<
#
# vm_build() should be called w/ the positional INPUT parameters below.
# Vendor images build automation stub.
# This script will build one or more vendor images ("vm") using a pre-built packages container.
#
# PREREQUISITES:
#
# 1. SDK version and OS image version are recorded in sdk_container/.repo/manifests/version.txt
# 2. Scripts repo version tag of OS image version to be built is available and checked out.
# 3. Flatcar packages container is available via build cache server
# from "/containers/[VERSION]/flatcar-images-[ARCH]-[FLATCAR_VERSION].tar.gz"
# or present locally. Must contain packages.
# 4. The generic Flatcar image must be present in build cache server.
#
# INPUT:
#
# 1. Architecture (ARCH) of the TARGET vm images ("arm64", "amd64").
# 2. Image formats to be built. Can be multiple, separated by spaces.
# Run ./image_to_vm.sh -h in the SDK to get a list of supported images.
#
# OPTIONAL INPUT:
#
# 1. SIGNER. Environment variable. Name of the owner of the artifact signing key.
# Defaults to nothing if not set - in such case, artifacts will not be signed.
# If provided, SIGNING_KEY environment variable should also be provided, otherwise this environment variable will be ignored.
#
# 2. SIGNING_KEY. Environment variable. The artifact signing key.
# Defaults to nothing if not set - in such case, artifacts will not be signed.
# If provided, SIGNER environment variable should also be provided, otherwise this environment variable will be ignored.
#
# 3. A file ../scripts.patch to apply with "git am -3" for the scripts repo.
#
# OUTPUT:
#
# 1. Exported VM image(s), pushed to buildcache ( images/[ARCH]/[FLATCAR_VERSION]/ )
# 2. "./ci-cleanup.sh" with commands to clean up temporary build resources,
# to be run after this step finishes / when this step is aborted.
# 3. If signer key was passed, signatures of artifacts from point 1, pushed along to buildcache.
# 4. DIGESTS of the artifacts from point 1, pushed to buildcache. If signer key was passed, armored ASCII files of the generated DIGESTS files too, pushed to buildcache.
function vm_build() {
# Run a subshell, so the traps, environment changes and global
# variables are not spilled into the caller.
(
set -euo pipefail
_vm_build_impl "${@}"
)
}
# --
function _vm_build_impl() {
local arch="$1"
shift
# $@ now contains image formats to build
source ci-automation/ci_automation_common.sh
source ci-automation/gpg_setup.sh
source sdk_container/.repo/manifests/version.txt
local vernum="${FLATCAR_VERSION}"
local docker_vernum="$(vernum_to_docker_image_version "${vernum}")"
local packages="flatcar-packages-${arch}"
local packages_image="${packages}:${docker_vernum}"
docker_image_from_buildcache "${packages}" "${docker_vernum}"
local vms="flatcar-vms-${arch}"
local vms_container="${vms}-${docker_vernum}"
apply_local_patches
# automatically add PXE to formats if we build for Equinix Metal (packet).
local has_packet=0
local has_pxe=0
for format; do
[[ "${format}" = 'packet' ]] || [[ "${format}" = 'equinix_metal' ]] && has_packet=1
[[ "${format}" = 'pxe' ]] && has_pxe=1
done
[[ ${has_packet} -eq 1 ]] && [[ ${has_pxe} -eq 0 ]] && set -- 'pxe' "${@}"
# Convert platform names (also used to find the test scripts) to image formats they entail
formats="$*"
if echo "$formats" | tr ' ' '\n' | grep -q '^vmware'; then
formats=$(echo "$formats" | tr ' ' '\n' | sed '/vmware.*/d')
formats+=" vmware vmware_insecure vmware_ova vmware_raw"
fi
if echo "$formats" | tr ' ' '\n' | grep -q -P '^(ami|aws)'; then
formats=$(echo "$formats" | tr ' ' '\n' | sed '/ami.*/d' | sed '/aws/d')
formats+=" ami ami_vmdk"
fi
# Keep compatibility with SDK scripts where "equinix_metal" remains unknown.
formats=$(echo "$formats" | tr ' ' '\n' | sed 's/equinix_metal/packet/g')
source sdk_lib/sdk_container_common.sh
if is_official "${vernum}"; then
export COREOS_OFFICIAL=1
else
export COREOS_OFFICIAL=0
fi
local images_in="images-in/"
local file
rm -rf "${images_in}"
for file in flatcar_production_image.bin.bz2 flatcar_production_image_sysext.squashfs flatcar_production_image.vmlinuz version.txt; do
copy_from_buildcache "images/${arch}/${vernum}/${file}" "${images_in}"
done
lbunzip2 "${images_in}/flatcar_production_image.bin.bz2"
./run_sdk_container -x ./ci-cleanup.sh -n "${vms_container}" -C "${packages_image}" \
-v "${vernum}" \
mkdir -p "${CONTAINER_IMAGE_ROOT}/${arch}-usr/latest"
./run_sdk_container -n "${vms_container}" -C "${packages_image}" \
-v "${vernum}" \
mv "${images_in}" "${CONTAINER_IMAGE_ROOT}/${arch}-usr/latest-input"
for format in ${formats}; do
if [ "${format}" = qemu ] || [ "${format}" = qemu_uefi_secure ]; then
continue
fi
echo " ################### VENDOR '${format}' ################### "
COMPRESSION_FORMAT="bz2"
if [[ "${format}" =~ ^(openstack_mini|digitalocean)$ ]];then
COMPRESSION_FORMAT="gz,bz2"
elif [[ "${format}" =~ ^(openstack)$ ]];then
COMPRESSION_FORMAT="gz,bz2,none"
elif [[ "${format}" =~ ^(qemu|qemu_uefi)$ ]];then
COMPRESSION_FORMAT="bz2,none"
elif [[ "${format}" =~ ^(hyperv|hyperv_vhdx)$ ]];then
COMPRESSION_FORMAT="zip"
elif [[ "${format}" =~ ^(scaleway|kubevirt)$ ]];then
COMPRESSION_FORMAT="none"
elif [[ "${format}" =~ ^(akamai)$ ]];then
COMPRESSION_FORMAT="gz"
fi
./run_sdk_container -n "${vms_container}" -C "${packages_image}" \
-v "${vernum}" \
./image_to_vm.sh --format "${format}" --board="${arch}-usr" \
--from "${CONTAINER_IMAGE_ROOT}/${arch}-usr/latest-input" \
--to "${CONTAINER_IMAGE_ROOT}/${arch}-usr/latest" \
--image_compression_formats="${COMPRESSION_FORMAT}" \
--only_store_compressed
done
# copy resulting images + push to buildcache
local images_out="images/"
rm -rf "${images_out}"
./run_sdk_container -n "${vms_container}" -C "${packages_image}" \
-v "${vernum}" \
mv "${CONTAINER_IMAGE_ROOT}/${arch}-usr/" "./${images_out}/"
( cd images/latest ; ln -s flatcar_production_openstack_image.img.bz2 flatcar_production_brightbox_image.img.bz2 )
# For the digest creation we need the vmlinuz at the same folder
# because the PXE vmlinuz is a symlink to it
mv images/latest-input/flatcar_production_image.vmlinuz images/latest/
create_digests "${SIGNER}" "images/latest/"*
sign_artifacts "${SIGNER}" "images/latest/"*
mv images/latest/flatcar_production_image.vmlinuz* images/latest-input/
copy_to_buildcache "images/${arch}/${vernum}/" "images/latest/"*
}
# --