#!/usr/bin/env sh

# $NAME must be set to the name of the container.
if [ -z "$NAME" ]; then
	echo 'Error: $NAME is empty or not set.' 1>&2
	exit 1
fi

# lxc_create dist release arch
lxc_create() {
	lxc-create -n $NAME -t download -B btrfs -- --dist $1 --release $2 --arch $3
	echo "lxc.start.auto = 1" >> /home/lxc/$NAME/config
	echo "lxc.environment = HOME=/root" >> /home/lxc/$NAME/config
	echo "lxc.prlimit.nofile = 64000" >> /home/lxc/$NAME/config
	lxc-start -n $NAME
	lxc-wait -n $NAME -s RUNNING
}

# lxc_destroy
lxc_destroy() {
	lxc-stop -n $NAME -k || true
	lxc-destroy -n $NAME || true
}

# lxc_do
lxc_do() {
	lxc-attach -n $NAME --clear-env -- "$@"
}

# lxc_restart
lxc_restart() {
	lxc-stop -n $NAME
	lxc-start -n $NAME
	lxc_wait_for_ip
	lxc-ls -f $NAME
}

# lxc_wait_for_ip
lxc_wait_for_ip() {
	until lxc-info -n $NAME -i | grep IP:
	do
		echo -n .
		sleep 1
	done
}