ssm-services/services/lo.iface

#!/usr/bin/env ssm

cfg_iface="${service_name%%.*}"

service_type='oneshot'
service_command=( /usr/bin/ip link set "$cfg_iface" up )

ready() {
	local iface="$1" timer='0' timeout='6'

	until [[ "$(ip link show $iface up)" ]]; do
		(( timer >= timeout )) && { return 1; }
		(( timer++ ))
	done
}

pre_stop() {
	ip link set "${cfg_iface}" down
	super_stop
}