#!/bin/bash

# This script is used to upgrade LANforge over the eth1 (non-managment)
# interface connected to some DUT.  This may be helpful in cases where
# the management interface is off the network for security or other reasons.

LFVER=5.3.8
KVER=4.16.18+
DEV=eth1
# Use this or similar device if eth1 and eth2 are configured for trunked VLAN configuration.
#DEV=eth2.2002

# Echo the commands to stdout for debugging purposes.
set -x

# Stop lanforge
/home/lanforge/serverctl.bash stop

# Remove other LANforge routing rules, vrf, etc
(cd /home/lanforge && ./clean_route_rules.pl)

# Remove default route from mgt port
ip route del 0.0.0.0/0 dev eth0

# Remove all the wireless interfaces
rmmod ath10k_pci
rmmod ath9k

# Assume eth1 ($DEV) is connected to a network that can route to internet
ifconfig $DEV down
pkill -f "dhclient $DEV"
ip a flush $DEV

ifconfig $DEV up
dhclient $DEV
curl -o lf_kinstall.pl http://www.candelatech.com/lf_kinstall.txt || exit 1
chmod a+x lf_kinstall.pl

echo "In another shell, you might need to force the namerver entry:"
echo "Cut and paste this command:"
cp /etc/resolv.conf /tmp/resolv.txt
echo "while :; do echo 'nameserver 10.0.0.1' > /etc/resolv.conf; cat /tmp/resolv.txt >> /etc/resolv.conf; sleep 10; done"

read -p "Ready?"

./lf_kinstall.pl --do_all_ct --lfver $LFVER --kver $KVER --skip_yum_all  || exit 2

echo "Reboot now to complete upgrade."