#!/sbin/openrc-run

description="Sets up interfaces for attached Elastic Network Interfaces"

IFACE_CFG=/etc/network/interfaces

depend() {
	before net
	need sysfs
}

eni_eths() {
	local iface
	for iface in /sys/class/net/eth*; do
		echo "${iface##*/}"
	done
}

start() {
	local iface

	ebegin "Setting up interfaces for attached ENIs"

	cat "$IFACE_CFG.d/lo" > "$IFACE_CFG.new"

	for iface in $(eni_eths); do
		[ -f "$IFACE_CFG.d/$iface" ] ||
			sed -e "s/%%/$iface/g" "$IFACE_CFG.d/DEFAULT" > "$IFACE_CFG.d/$iface"
		cat "$IFACE_CFG.d/$iface" >> "$IFACE_CFG.new"
		einfo "$iface configured"
	done

	mv "$IFACE_CFG.new" "$IFACE_CFG"

	eend "$?"
}