X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=myfai-chboot-local;h=f21a837dc5308790c45b263c3e69aaa3dd37006c;hb=99439572819ac875b329189d7b9162a5bb8bc805;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 <