Create minimal ubuntu zesty install into /var/lib/machines

zesty_nspawn.sh

#!/bin/sh -efux

die() {
    printf "%s\n" "$*"
    exit 1
}

[ "$#" -ne 1 ] && die "Usage: $(basename ${0}) PATH"
[ $(id -u) -ne 0 ] && die "must be root"

install_path="$1"
[ -z "${install_path}" ] && die "install path must be not empty"

debootstrap --variant=minbase \
            --include=dbus,isc-dhcp-client,iputils-ping,iproute2,python,systemd \
            zesty \
            "${install_path}" \
            http://mirror.yandex.ru/ubuntu


cat <<EOF
APT::Install-Recommends "false";
APT::Install-Suggests "false"; 
EOF >"${install_path}"/etc/apt/apt.conf.d/99no-install-recommends