Document

The Automotive Grade Linux Software Defined Connected Car　Architecture
20th June 2018　Final
https://www.automotivelinux.org/wp-content/uploads/sites/4/2018/06/agl_software_defined_car_jun18.pdf

2018 Global In-Vehicle Infotainment
Enabling Technology Leadership Award
https://www.automotivelinux.org/wp-content/uploads/sites/4/2019/05/Frost-Sullivan-Automotive-Grade-Linux-Award-Write-Up.pdf

The Linux Foundation.
https://www.linuxfoundation.org/

Wiki
https://wiki.automotivelinux.org/

Git Repositories
https://git.automotivelinux.org/

#docker-worker-generator
https://git.automotivelinux.org/AGL/docker-worker-generator/

Dockerfile

FROM debian:10

COPY INSTALL /root/INSTALL
RUN /root/INSTALL/setup_image.sh

ENTRYPOINT ["/usr/bin/wait_for_net.sh"]
CMD ["/bin/systemd"]

setup_image.sh

#!/bin/bash -x

### this script is called when building the docker image: it's executing in a temp container

echo "------------------------ Starting $(basename $0) -----------------------"

function debug() {
	set +x
	echo "-------------------------"
	echo "Command failed."
	echo "Running sleep for 1 day. To proceed:"
	echo "* run 'killall sleep' to continue"
	echo "* run 'killall -9 sleep' to abort the build"
	sig=0
	sleep 86400 || sig=$?
	# if killed -9, then abort
	[[ $sig == 137 ]] && exit 1 # abort
	set -x
	return 0 # continue
}

function crash() {
	set +x
	echo " -------------------------"
	echo "| CRASH HANDLER TRIGGERED |"
	echo " -------------------------"
	exit 1
}

# get the INSTALL dir (the one where we were launched)
INSTDIR=$(cd $(dirname $0) && pwd -P)
echo "Detected container install dir = $INSTDIR"

if [[ -f $INSTDIR/DEBUG ]]; then
	echo "#### INTERACTIVE DEBUG MODE IS ACTIVE ####"
	trap debug ERR # on error, run a sleep tp debug container
else
	echo "#### JENKINS MODE MODE  IS ACTIVE ####"
	trap crash ERR # on error, simply crash
fi


################################## variables #################################

# source variables in conf file
. $INSTDIR/image.conf

# source flavour config file (generated by top Makefile)
. $INSTDIR/flavour.conf

if [[ -z "$CONTAINER_TYPE" ]]; then
	grep -q docker /proc/self/cgroup && CONTAINER_TYPE="docker"
fi

################################## install docker endpoint #####################

# install the entrypoint script in /usr/bin
install --mode=755 $INSTDIR/wait_for_net.sh /usr/bin/

################################## install first-run service ###################
# all operations requiring runnning daemons (inc. systemd) must be run at first
# container instanciation

if [[ "$FIRSTRUN" == "yes" ]]; then
	install --mode=755 $INSTDIR/firstrun.sh      /root/firstrun.sh
	install --mode=644 $INSTDIR/image.conf       /root/firstrun.conf
	[[ -d $INSTDIR/firstrun.d ]] && cp -a $INSTDIR/firstrun.d /root/
	mkdir -p /etc/systemd/system/multi-user.target.wants/
	cat <<EOF >/etc/systemd/system/multi-user.target.wants/firstrun.service
[Unit]
Description=Firstrun service
After=network.target

[Service]
Type=oneshot
ExecStart=-/bin/bash -c /root/firstrun.sh
TimeoutSec=0
StandardInput=null
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
EOF
fi

# helper func to install a firstrun hook
function firstrun_add() {
	script=$1
	level=${2:-50}
	name=${3:-$(basename $script)}

	mkdir -p /root/firstrun.d
	cp $script /root/firstrun.d/${level}_$name
}

################################## adjust system timezone ############################

ln -sf ../usr/share/zoneinfo/$TIMEZONE /etc/localtime

################################## run other scripts in turn ##############

function enumerate_tasks() {
	for script in $INSTDIR/common.d/*; do
		case $(basename $script) in
			[0-9][0-9]_*)
				echo $(basename $script):$script
				;;
		esac
	done

	for tsk in $(cat $INSTDIR/flavours/$FLAVOUR.tasks | sed 's/#.*$//g'); do
		if [[ -f $INSTDIR/tasks.d/$tsk ]]; then
			echo $tsk:$INSTDIR/tasks.d/$tsk
		else
			# fail to find task
			echo "$INSTDIR/flavours/$FLAVOUR.tasks: invalid task '$tsk'" >&2
			return 1
		fi
	done
	return 0
}


for script in $(enumerate_tasks | sort -k1 -t':' | cut -f2 -d':'); do
	echo "--------------------- start script $script ---------------------"
	. $script
	echo "--------------------- end of script $script ---------------------"
done

############################### cleanup ###################################

cd /
apt-get clean # clean apt caches
rm -rf /var/lib/apt/lists/*
rm -rf $INSTDIR # yes, I can auto-terminate myself !

# cleanup /tmp without removing the dir
for x in $(find /tmp -mindepth 1); do
	rm -rf $x || true
done

echo "------------------------ $(basename $0) finished -----------------------"

wait_for_net.sh

#!/bin/bash

### this script is used as entrypoint of the docker container to wait for network to be up ###

IFACE="veth0 eth0"

function wait_net() {
	for i in $IFACE; do
		[[ "$(cat /sys/class/net/$i/operstate 2>/dev/null)" == "up" ]] && return 1
		ip link set mtu 1300 dev $IFACE
	done
	return 0
}

while wait_net; do
	sleep 1
done

[[ $# > 0 ]] && exec "$@"
exec /bin/bash -l

Members

Platinum Members

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##Advisory Board
HONDA
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Mercedes-Benz

＜この記事は個人の過去の経験に基づく個人の感想です。現在所属する組織、業務とは関係がありません。＞

文書履歴(document history)

ver. 0.01 初稿 20200220
ver. 0.04 URL追記　20230302

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