Burrow Raspberry Pi Image
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#!/bin/bash -eu
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
BUILD_OPTS="$*"
DOCKER="docker"
if ! ${DOCKER} ps >/dev/null 2>&1; then
DOCKER="sudo docker"
fi
if ! ${DOCKER} ps >/dev/null; then
echo "error connecting to docker:"
${DOCKER} ps
exit 1
fi
CONFIG_FILE=""
if [ -f "${DIR}/config" ]; then
CONFIG_FILE="${DIR}/config"
fi
while getopts "c:" flag
do
case "${flag}" in
c)
CONFIG_FILE="${OPTARG}"
;;
*)
;;
esac
done
# Ensure that the configuration file is an absolute path
if test -x /usr/bin/realpath; then
CONFIG_FILE=$(realpath -s "$CONFIG_FILE" || realpath "$CONFIG_FILE")
fi
# Ensure that the confguration file is present
if test -z "${CONFIG_FILE}"; then
echo "Configuration file need to be present in '${DIR}/config' or path passed as parameter"
exit 1
else
# shellcheck disable=SC1090
source ${CONFIG_FILE}
fi
CONTAINER_NAME=${CONTAINER_NAME:-pigen_work}
CONTINUE=${CONTINUE:-0}
PRESERVE_CONTAINER=${PRESERVE_CONTAINER:-0}
# Ensure the Git Hash is recorded before entering the docker container
GIT_HASH=${GIT_HASH:-"$(git rev-parse HEAD)"}
CONTAINER_EXISTS=$(${DOCKER} ps -a --filter name="${CONTAINER_NAME}" -q)
CONTAINER_RUNNING=$(${DOCKER} ps --filter name="${CONTAINER_NAME}" -q)
if [ "${CONTAINER_RUNNING}" != "" ]; then
echo "The build is already running in container ${CONTAINER_NAME}. Aborting."
exit 1
fi
if [ "${CONTAINER_EXISTS}" != "" ] && [ "${CONTINUE}" != "1" ]; then
echo "Container ${CONTAINER_NAME} already exists and you did not specify CONTINUE=1. Aborting."
echo "You can delete the existing container like this:"
echo " ${DOCKER} rm -v ${CONTAINER_NAME}"
exit 1
fi
# Modify original build-options to allow config file to be mounted in the docker container
BUILD_OPTS="$(echo "${BUILD_OPTS:-}" | sed -E '[email protected]\-c\s?([^ ]+)@-c /[email protected]')"
${DOCKER} build -t pi-gen "${DIR}"
if [ "${CONTAINER_EXISTS}" != "" ]; then
trap 'echo "got CTRL+C... please wait 5s" && ${DOCKER} stop -t 5 ${CONTAINER_NAME}_cont' SIGINT SIGTERM
time ${DOCKER} run --rm --privileged \
--volume "${CONFIG_FILE}":/config:ro \
-e "GIT_HASH=${GIT_HASH}" \
--volumes-from="${CONTAINER_NAME}" --name "${CONTAINER_NAME}_cont" \
pi-gen \
bash -e -o pipefail -c "dpkg-reconfigure qemu-user-static &&
cd /pi-gen; ./build.sh ${BUILD_OPTS} &&
rsync -av work/*/build.log deploy/" &
wait "$!"
else
trap 'echo "got CTRL+C... please wait 5s" && ${DOCKER} stop -t 5 ${CONTAINER_NAME}' SIGINT SIGTERM
time ${DOCKER} run --name "${CONTAINER_NAME}" --privileged \
--volume "${CONFIG_FILE}":/config:ro \
-e "GIT_HASH=${GIT_HASH}" \
pi-gen \
bash -e -o pipefail -c "dpkg-reconfigure qemu-user-static &&
cd /pi-gen; ./build.sh ${BUILD_OPTS} &&
rsync -av work/*/build.log deploy/" &
wait "$!"
fi
echo "copying results from deploy/"
${DOCKER} cp "${CONTAINER_NAME}":/pi-gen/deploy .
ls -lah deploy
# cleanup
if [ "${PRESERVE_CONTAINER}" != "1" ]; then
${DOCKER} rm -v "${CONTAINER_NAME}"
fi
echo "Done! Your image(s) should be in deploy/"