Init script for running Docker on Synology DSM 5.x

docker.sh

#!/bin/sh
source /usr/syno/etc.defaults/iptables_modules_list

DOCKER=/volume1/.docker/bin/docker
DOCKER_ROOT=/volume1/.docker/root
DOCKER_CERTS=/volume1/.docker/etc/certs
DOCKER_PID=/var/run/docker.pid
DOCKER_LOG=/var/log/docker.log
DOCKER_OPTS_TLS="--tlsverify --tlscacert=$DOCKER_CERTS/ca.pem --tlscert=$DOCKER_CERTS/server.pem --tlskey=$DOCKER_CERTS/server-key.pem"
DOCKER_OPTS="--log-level=error --storage-driver=aufs -g $DOCKER_ROOT -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock -p $DOCKER_PID $DOCKER_OPTS_TLS"
MODULES="${KERNEL_MODULES_CORE} ${KERNEL_MODULES_COMMON} ${KERNEL_MODULES_NAT} xt_conntrack.ko xt_addrtype.ko aufs.ko veth.ko stp.ko bridge.ko"

case $1 in
start)
	synomoduletool --insmod docker $MODULES
	nohup $DOCKER daemon $DOCKER_OPTS > $DOCKER_LOG 2>&1 & 
	;;
stop)
	[ -f $DOCKER_PID ] && kill $(cat $DOCKER_PID)
	synomoduletool --rmmod docker $MODULES
	;;
restart)
	"$0" stop
	"$0" start
	;;
*)
	echo "Usage: $0 {start|stop|restart}"
	exit 1
esac

exit 0