+changed=false
+f=/srv/fai/nfsroot/root/.ssh/known_hosts
+# the known hosts entries that fai already sets up are like
+# IP,HOSTNAME key_info...
+# we are skipping the ip, because it doesn't block ssh
+# with a prompt as long as you have the user supplied hostname,
+# and i don't want to deal with getting it, it's not adding
+# any important security in this case.
+if ! grep -xFq "$line" $f; then
+ changed=true
+ printf "%s\n" "$line" >>$f
+fi
+
+if ! modprobe nfsd &>/dev/null; then
+ # no apt-cache on maru debian, because we are low on space already
+ sed -i '/^ *APTPROXY=/d' /srv/fai/config/class/DEBIAN.var
+ # maru debian doesn't have loopback devs created
+ if ! losetup -f; then
+ shopt -s nullglob
+ x=(/dev/loop*)
+ minor=0
+ if (( ${#x[@]} )); then
+ minor=$(( ${x[-1]#/dev/loop} + 1 ))
+ fi
+ mknod -m660 /dev/loop$minor b 7 $minor
+ losetup -f
+ fi
+ # -B boo only iso, no nfsroot, no paritial miorr, no config space.
+ # -f = force, for overwriting
+ # -S = make squash image for http booting
+ # -d config space url, instead of putting it in the squash.img,
+ # this just makes it so that we don't have to regenerate the img
+ # when the config changes.
+ cd /srv/fai/config
+ tar czf /var/www/faiserver/html/config.tar.gz .
+ if $changed || [[ ! -e /var/www/faiserver/html/squash.img ]]; then
+ # note, on maru, selinux needs to be disabled in android before
+ # this will work.
+ mount
+ export debug=true
+ fai-cd -d http://faiserver:8080/config.tar.gz -f -M -S /var/www/faiserver/html/squash.img
+ mount
+ fi
+fi
+EOF