#!/bin/sh
#

# PROVIDE: nuageinit
# REQUIRE: mountcritlocal zfs
# BEFORE: NETWORKING
# KEYWORD: firstboot

. /etc/rc.subr

name="nuageinit"
desc="Limited Cloud Init configuration"
start_cmd="nuageinit_start"
stop_cmd=":"
rcvar="nuageinit_enable"

nuageinit_start()
{
	local citype
	# detect cloud init provider
	# according to the specification of the config drive
	# it either formatted in vfat or iso9660 and labeled
	# config-2
	for f in iso9660 msdosfs; do
		drive="/dev/$f/[cC][oO][nN][fF][iI][gG]-2"
		if [ -e $drive ]; then
			citype=config-2
			break
		fi
		drive="/dev/$f/[cC][iI][dD][aA][tT][aA]"
		if [ -e $drive ]; then
			citype=nocloud
			break
		fi
		unset drive
	done
	if [ -z "$drive" ]; then
		# try to detect networked based instance
		err 1 "Impossible to find a cloud init provider"
	fi
	mkdir -p /media/nuageinit
	fs=$(fstyp $drive)
	mount -t $fs $drive /media/nuageinit
	# according to the specification, the content is either
	# in the openstack or ec2 directory
	case "$citype" in
	config-2)
		for d in openstack ec2; do
			dir=/media/nuageinit/$d/latest
			if [ -d $dir ]; then
				/usr/libexec/nuageinit $dir $citype
				break
			fi
		done
		;;
	nocloud)
		/usr/libexec/nuageinit /media/nuageinit $citype
		;;
	esac
	if [ -n "$drive" ]; then
		umount /media/nuageinit
	fi
	rmdir /media/nuageinit
}

load_rc_config $name
run_rc_command "$1"