X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=myfai-chboot-local;h=6d7e019607869a4ecfff4a12feab8807caf38acb;hb=175cf089388948672b5b4b6f9a8cf5a96a7015f2;hp=9ba87dcd5ff8e2a88aa61308a45a1c35289d9c6c;hpb=1885f9677fdf2bfeac95285cf13a7d60273d096a;p=automated-distro-installer
diff --git a/myfai-chboot-local b/myfai-chboot-local
index 9ba87dc..6d7e019 100755
--- a/myfai-chboot-local
+++ b/myfai-chboot-local
@@ -1,49 +1,100 @@
#!/bin/bash
+# note, this script gets piped to bash, so cant cd to current dir
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}" "$@"
-e() { echo "$@"; "$@"; }
+e() {
+ echo "$*"
+ if ! "$@"; then
+ echo "$0: error: exit code $? from: $*"
+ exit 1
+ fi
+}
+host=$1
+
+# assuming ipv4, or else we might need to deal with multiple addresses
+# in an ipv4 + ipv6 network.
+my_ip=$(ip -4 route get 8.8.8.8 | sed -nr 's,^.*src\s+(\S+).*,\1,p')
+if [[ $x =~ [[:space:]] ]]; then
+ echo "$0: error: failed to get \$my_ip, got: $my_ip"
+ exit 1
+fi
+
+if [[ $host == default ]]; then
+ ip=$network
+elif [[ $host == [0-9]*.[0-9]*.[0-9]*.[0-9]* ]]; then
+ ip=$host
+else
+ type -t host &>/dev/null || apt-get -y install dnsutils
+ ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q')/32
+fi
+
+if modprobe nfsd &>/dev/null; then
+ std_arg="-u nfs://faiserver/srv/fai/config"
+ # nfsv4 wont do rw with overlayfs yet
+ # https://lists.uni-koeln.de/pipermail/linux-fai/2017-March/011641.html
+ root_arg="$my_ip:/srv/fai/nfsroot:vers=3"
+ # 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 <