#!/bin/bash
-x="$(readlink -f "$BASH_SOURCE")"; source "${x%/*}/bash-trace"
+# 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
[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
-e() { echo "$@"; "$@"; }
+e() {
+ echo "$*"
+ if ! "$@"; then
+ echo "$0: error: exit code $? from: $*"
+ exit 1
+ fi
+}
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 "$0: failed to find network"
+my_ip=$(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: $my_ip"
exit 1
fi
-my_ip=${network%/*}
+
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 $host | sed -rn 's/^\S+ has address //p;T;q')/32
fi
-
-# alternate way of getting my ip
-#gateway_ip=$(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"
+ # 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
/srv/fai/nfsroot $ip(async,ro,no_subtree_check,no_root_squash)
EOF
exportfs -ra
+ systemctl start nfs-server # assumes recent os
else
std_arg="-u http://faiserver:8080/config.tar.gz"
root_arg="live:http://faiserver:8080/squash.img"