diskimage-builder/diskimage_builder/elements/containerfile/root.d/08-containerfile
Michal Nasiadka a02cb9ff74 containerfile: add support for Docker
In some build environments Docker is already installed - and adding
podman is not an option.  Add a new variable to toggle this, and
rename the now incorrectly titled DIB_CONTAINERFILE_PODMAN_ROOT to
just ...RUNTIME_ROOT to match.

Change-Id: I677e4f491b40360dceabdf4f2a9e64c7cb493dc7
2022-03-11 14:04:52 +11:00

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#!/bin/bash
#
# Copyright 2015 Hewlett-Packard Development Company, L.P.
# Copyright 2019 Red Hat, INC.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
: "${DIB_CONTAINERFILE_RUNTIME:=podman}"
# Convert the old value which was podman specific
if [[ "${DIB_CONTAINERFILE_PODMAN_ROOT:-0}" != '0' ]]; then
DIB_CONTAINERFILE_RUNTIME_ROOT=1
fi
if [ -f ${TARGET_ROOT}/.extra_settings ] ; then
. ${TARGET_ROOT}/.extra_settings
fi
if [ -z "${DIB_CONTAINERFILE_DOCKERFILE:-}" ]; then
_xtrace=$(set +o | grep xtrace)
set +o xtrace
eval declare -A image_elements=($(get_image_element_array))
for i in "${!image_elements[@]}"; do
element=$i
element_dir=${image_elements[$i]}
containerfile="${element_dir}/containerfiles/${DIB_RELEASE}"
if [ -f "${containerfile}" ]; then
echo "Found container file ${containerfile}"
DIB_CONTAINERFILE_DOCKERFILE="${containerfile}"
break
fi
done
$_xtrace
fi
# Use the image cache directory as the default context, so anything
# there is automatically available for COPY commands.
DIB_CONTAINER_CONTEXT=${DIB_CONTAINER_CONTEXT:-${DIB_IMAGE_CACHE}/containerfile}
mkdir -p $DIB_CONTAINER_CONTEXT
if [[ ${DIB_CONTAINERFILE_RUNTIME_ROOT:-0} -gt 0 ]]; then
_sudo="sudo"
else
_sudo=""
fi
_podman_build_image="dib-tmp-work-image-$RANDOM"
_podman_export_container="dib-tmp-export-$RANDOM"
function podman_cleanup() {
echo "Cleaning up container ${_podman_export_container}"
${_sudo} ${DIB_CONTAINERFILE_RUNTIME} rm ${_podman_export_container} || true
echo "Cleaning up build image ${_podman_build_image}"
${_sudo} ${DIB_CONTAINERFILE_RUNTIME} rmi ${_podman_build_image} || true
}
trap "podman_cleanup" EXIT
${_sudo} ${DIB_CONTAINERFILE_RUNTIME} build -t ${_podman_build_image} -f $DIB_CONTAINERFILE_DOCKERFILE $DIB_CONTAINER_CONTEXT
${_sudo} ${DIB_CONTAINERFILE_RUNTIME} run --name ${_podman_export_container} -d ${_podman_build_image} /bin/sh
# NOTE(ianw) 2021-11-10 the tar must always be sudo to write out the chroot files
# as other uids
${_sudo} ${DIB_CONTAINERFILE_RUNTIME} export ${_podman_export_container} | sudo tar -C $TARGET_ROOT --numeric-owner -xf -
sudo rm -f ${TARGET_ROOT}/.extra_settings