X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;ds=inline;f=myfai-chboot-local;h=f21a837dc5308790c45b263c3e69aaa3dd37006c;hb=645ab36988f8eed2e85d066bdf1ad8a12e7aabc0;hp=9ba87dcd5ff8e2a88aa61308a45a1c35289d9c6c;hpb=1885f9677fdf2bfeac95285cf13a7d60273d096a;p=automated-distro-installer
diff --git a/myfai-chboot-local b/myfai-chboot-local
index 9ba87dc..f21a837 100755
--- a/myfai-chboot-local
+++ b/myfai-chboot-local
@@ -3,47 +3,95 @@
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+fai_action_arg=I
+fai_reboot_arg=,reboot
case $1 in
-h|--help)
echo "see help from myfai-chboot"
exit 0
;;
+ -S)
+ fai_action_arg=S
+ fai_reboot_arg=
+ shift
+ ;;
esac
[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
e() { echo "$@"; "$@"; }
+host=$1
+
+type -t host &>/dev/null || apt-get -y install dnsutils
+gateway_if=$(ip route | sed -rn 's/^default via \S+ dev (\S+) .*/\1/p')
+if [[ ! $gateway_if ]]; then
+ echo "$0: failed to find gateway interface"
+ exit 1
+fi
+# assuming ipv4, or else we might need to deal with multiple addresses
+# in an ipv4 + ipv6 network.
+network=$(ip -4 -o a show dev $gateway_if | sed -rn '/scope.*global/s/^(\S+\s+){3}(\S+)\s.*/\2/p')
+if [[ ! $network ]]; then
+ echo "$0: failed to find network"
+ exit 1
+fi
+my_ip=${network%/*}
+if [[ $host == default ]]; then
+ ip=$network
+else
+ ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q')/32
+fi
+
+
+# alternate way of getting my ip
+#gateway_ip=$(ip route | sed -rn 's/^default via (\S+) .*/\1/p')
+#my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p;T;q')
+
+if modprobe nfsd &>/dev/null; then
+ std_arg="-u nfs://faiserver/srv/fai/config"
+ root_arg="$my_ip:/srv/fai/nfsroot"
+ # fai-setup without -e sets the ip to the local_ip/local_network, eg 192.168.1.3/24
+ # I restrict it to one ip as simple but imperfect access control.
+ sed -ri --follow-symlinks '\%^/srv/fai/%d' /etc/exports
+ cat >>/etc/exports <
+ Deny from all
+ Allow from $ip
+
+EOF
+fi
rm -f /srv/tftp/fai/pxelinux.cfg/*
if [[ ! $1 ]]; then
exit 0
fi
-host=$1
-ip=$(getent hosts $host | awk '{print $1}')
-std_arg="-u nfs://faiserver/srv/fai/config"
-e fai-chboot -Iv $std_arg default # set it to default to get a val out of it next
-kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
# man page doesn't explain this, but this deletes & thus disables
# all chboot systems.
-type -t host &>/dev/null || apt-get -y install dnsutils
-gateway_ip=$(route -n | sed -rn 's/^0\.0\.0\.0\s+(\S+).*/\1/p')
-my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p')
-k_args=$(fai-chboot -L '^default$' | \
- sed -r "s/^(\S+\s+){3}(.*root=)(.*)/\2$my_ip:\3/")
-rm -f /srv/tftp/fai/pxelinux.cfg/*
-e fai-chboot -k "$k_args" -v -f verbose,sshd,createvt,reboot $std_arg $kernel "$host"
-
-# fai-setup without -e sets the ip to the local_ip/local_network, eg 192.168.1.3/24
-# I restrict it to one ip as simple but imperfect access control.
-sed -ri --follow-symlinks '\%^/srv/fai/%d' /etc/exports
-cat >>/etc/exports <