+ack-wait() {
+ wait_count=$1
+ if [[ $host ]]; then
+ host_regex=" $host"
+ fi
+ regex=".*DHCPACK.*$host_regex$"
+ i=0
+ tmp=$(mktemp)
+ while (( i != wait_count )) && read line; do
+ if [[ $line =~ $regex ]]; then
+ i=$((i+1))
+ echo $line
+ fi
+ done < <(ssh wrt logread -f)
+ e sleep 20
+}
+
+set-pxe() {
+ ${1:-$type} | ssh wrt "cedit pxe-server /etc/dnsmasq.conf || /etc/init.d/dnsmasq restart
+if [[ $type == arch ]]; then arch-pxe-mount; fi"
+}
+
+if ! $wait && [[ $type != : ]]; then
+ set-pxe
+
+ if [[ $type == fai ]]; then
+ if $redep; then
+ fai-redep
+ fi
+ faiserver-enable
+ fi
+fi
+
+if $wait; then
+ # fai's debian jessie 8.5ish does 2 dhcp requests when booting,
+ # roughly 4 seconds apart. Earlier
+ # versions did just 1. Now testing on a vm, it does 1.
+ # bleh.
+ echo "waiting for $acks dhcp acks then disabling pxe"
+ ack-wait $acks
+ set-pxe :
+
+ # previously tried waiting for one more ack then disabling faiserver,
+ # since it can contain sensitive info, so turn it off when not in use,
+ # but disabling that for now as it's inconvenient to clean this
+ # up and run it in the background etc.