# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
x="$(readlink -f "$BASH_SOURCE")"; source "${x%/*}/bash-trace"
ln -s <arch/parabola/debian iso dir> tftpboot
+Notes on debugging pxe dhcp tftp:
+
+For debugging dhcp, add to /etc/dnsmasq.conf: log-dhcp
+
+Newer openwrt runs dnsmasq with a whitelist of readable files and dirs:
+
+ps ww :
+/sbin/ujail -t 5 -n dnsmasq -u -l -r /bin/ubus -r /etc/TZ -r /etc/dnsmasq.conf -r /etc/ethers -r /etc/group -r /etc/hosts -r /etc/passwd -w /tmp/dhcp.leases -r /tmp/dnsmasq.d -r /tmp/hosts -r /tmp/resolv.conf.d -r /usr/bin/jshn -r /usr/lib/dnsmasq/dhcp-script.sh -r /usr/share/dnsmasq/dhcpbogushostname.conf -r /usr/share/dnsmasq/rfc6761.conf -r /usr/share/dnsmasq/trust-anchors.conf -r /usr/share/libubox/jshn.sh -r /var/etc/dnsmasq.conf.cfg01411c -w /var/run/dnsmasq/ -- /usr/sbin/dnsmasq -C /var/etc/dnsmasq.conf.cfg01411c -k -x /var/run/dnsmasq/dnsmasq.cfg01411c.pid
+
+logging tftp requests:
+/etc/default/tftpd-hpa:
+add -vv:
+TFTP_OPTIONS="--secure -vv"
+jr -u tftpd-hpa -f
+
Note: Uses GNU getopt options parsing style
EOF
exit $1
}
+pre="${0##*/}:"
+m() { printf "$pre %s\n" "$*"; "$@"; }
+e() { printf "$pre %s\n" "$*"; }
+err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
+
+PATH="/a/exe:$PATH"
+
##### begin command line parsing ########
dhcp=true
fsf=false
case $HOSTNAME in
- x2|x3|kw) fsf=true ;;
+ x3|kw) fsf=true ;;
esac
chboot_args=()
##### end command line parsing ########
-e() {
- echo "$@"
- "$@"
-}
-
archlike() {
cat <<EOF
-dhcp-option-force=209,boot/syslinux/${type}iso.cfg
-dhcp-option-force=210,/${type}/
-dhcp-boot=${host_tag}/${type}/boot/syslinux/lpxelinux.0
+${host_tag}209,boot/syslinux/${type}iso.cfg
+${host_tag}210,/${type}/
+${host_tag}option:bootfile-name,/${type}/boot/syslinux/lpxelinux.0
EOF
}
# if arch based was used before, this additionally needs
# the tftp link in /mnt/usb to be changed.
cat <<EOF
-dhcp-boot=${host_tag}pxelinux.0
+${host_tag}option:bootfile-name,pxelinux.0
EOF
}
fai() {
cat <<EOF
-dhcp-boot=${host_tag}pxelinux.0,faiserver.b8.nz,faiserver.b8.nz
+${host_tag}option:bootfile-name,pxelinux.0
+${host_tag}option:server-ip-address,$faiserverip
+${host_tag}option:tftp-server,$faiserverip
EOF
+ # Note, previously used normal dnsmasq option, but it requires dnsmasq
+ # restart, which causes momentary dns failures, which can bork an
+ # install.
+ #
+ # dhcp-boot=${host_tag}pxelinux.0,faiserver.b8.nz,faiserver.b8.nz
}
ack-wait() {
if $fsf; then
- wait_cmd="ssh tarantula tail -n0 -f /var/log/syslog"
+ wait_cmd="ssh tarantula.office.fsf.org tail -n0 -f /var/log/syslog"
else
- wait_cmd="ssh wrt logread -f"
+ wait_cmd="ssh cmc logread -f"
fi
wait_count=$1
if [[ $host ]]; then
if $fsf; then
host_regex=" $(getent hosts kw | awk '{print $1}' | sed 's/\./\\./g')"
- else
- host_regex=" $host"
+ else
+ host_regex=" $host"
fi
fi
regex=".*DHCPACK.*$host_regex\b"
echo $line
fi
done < <($wait_cmd ||:) # tail returns 2 it seems
- e sleep 20
+ m sleep 20
}
set-pxe() {
$dhcp || return 0
if $fsf; then
if [[ ! $cmd ]]; then
- echo "$0: removing pxe for $host on tarantula"
- ssh tarantula bash -e <<EOF
-sed -ri 's/^( *host +$host *\{).*/\1/' /etc/dhcp3/dhcpd.conf
-/etc/init.d/dhcp3-server restart
+ e "removing pxe for $host on tarantula"
+ ssh tarantula.office.fsf.org bash -e <<EOF
+sed -ri 's/^( *host +$host *\{).*/\1/' /etc/dhcp/dhcpd.conf
+systemctl restart isc-dhcp-server
EOF
elif [[ $cmd == fai ]]; then
- echo "$0: adding pxe for $host on tarantula"
- ssh tarantula bash -e <<EOF
-sed -ri 's/^( *host +$host *\{).*/\1 next-server faiserver.office.fsf.org; filename "pxelinux.0";/' /etc/dhcp3/dhcpd.conf
-/etc/init.d/dhcp3-server restart
+ e "adding pxe for $host on tarantula"
+ ssh tarantula.office.fsf.org bash -e <<EOF
+sed -ri 's/^( *host +$host *\{).*/\1 next-server faiserver.office.fsf.org; filename "pxelinux.0";/' /etc/dhcp/dhcpd.conf
+systemctl restart isc-dhcp-server
EOF
fi
else
- echo "$0: updating dnsmasq.conf:"
- $cmd
- ${cmd:-:}|ssh wrt "cedit pxe /etc/dnsmasq.conf || /etc/init.d/dnsmasq restart
+ e "updating dnsmasq.conf:"
+ m $cmd
+ ${cmd:-:}|ssh cmc "dd of=/var/run/dnsmasq/dhcpopts.conf; /etc/init.d/dnsmasq reload
$([[ $type == arch || $type == parabola ]] && echo archlike-pxe-mount)"
fi
}
+type -t host &>/dev/null || sudo apt-get -y install dnsutils
+faiserverip=$(host faiserver | sed -rn 's/^\S+ has address //p;T;q' ||:)
+if [[ ! $faiserverip || $faiserverip =~ [[:space:]] ]]; then
+ echo "$0: error: failed to get \$faiserverip, got: $faiserverip"
+ exit 1
+fi
+
if $set; then
set-pxe
if [[ $type == fai ]]; then
- e myfai-chboot ${chboot_args[@]} $host
if $redep; then
- e fai-redep
+ m fai-redep
fi
+ m myfai-chboot ${chboot_args[@]} $host
else
# This will fail if faiserver is not setup, so ignore any
# failure and don't bother us about it.
iankelling.org / git / automated-distro-installer / blobdiff