#!/bin/bash
+# Copyright (C) 2016 Ian Kelling
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Setup dhcp server to point to tftp server,
# and depending on the type, setup the tftp server.
-h|--help Print help and exit
-- Subsequent arguments are never treated as options
-p Persist. Otherwise, wait for 2 dhcp acks then remove.
+-r Don't redeploy fai config.
EOF
exit $1
}
persist=false
args=()
+redep=true
while [[ $1 ]]; do
case $1 in
--) shift; break ;;
-h|--help) usage ;;
+ -r) redep=false; shift ;;
-p) persist=true; shift ;;
*) args+=("$1"); shift ;;
esac
EOF
}
-echo "setting config type: $type"
-$type | ssh wrt "cedit pxe-server /etc/dnsmasq.conf || /etc/init.d/dnsmasq restart #
-if [[ $type == arch ]]; then arch-pxe-mount; fi"
-
-
-if ! $persist; then
+ack-wait() {
+ wait_count=$1
if [[ $host ]]; then
host_regex=" $host"
fi
regex=".*DHCPACK.*$host_regex$"
i=0
tmp=$(mktemp)
- while (( i != 2 )) && read line; do
+ while (( i != wait_count )) && read line; do
if [[ $line =~ $regex ]]; then
i=$((i+1))
echo $line
fi
done < <(ssh wrt logread -f)
sv sleep 5
- sv "$BASH_SOURCE" :
+}
+
+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"
+}
+
+set-pxe
+
+if [[ $type == fai ]]; then
+ if $redep; then
+ fai-redep
+ fi
+ faiserver-enable
+fi
+
+if ! $persist; then
+ # fai's debian jessie 8.5ish does 2 dhcp requests when booting,
+ # roughly 4 seconds apart. Earlier
+ # versions did just 1. Whatever.
+ echo "waiting for 3 dhcp acks then disabling pxe"
+ ack-wait 3
+ set-pxe :
+ if [[ $type == fai ]]; then
+ # fai server can contain sensitive info, so turn it off
+ # when it's not in use.
+ echo "waiting for 1 dhcp ack then disabling fai server"
+ ack-wait 1
+ faiserver-disable
+ fi
fi