git_bisect_reload

#!/bin/bash

# This script automates a git bisect to find an error when reloading.
# The ipvsadm command will probably need changing for other uses.

CONF_FILE=/tmp/1831.conf
PATCH_FILE=/tmp/1831.patch
GOOD_VER=v2.1.5
BAD_VER=updates

# It would be helpful if it detected when it got to the end of the
# bisect process.
NUM_TRIES=8

. ${0%/*}/env

rl()
{
	:
}

sudo -u quentin git bisect reset
sudo -u quentin git checkout .
sudo -u quentin git checkout $BAD_VER
sudo -u quentin git bisect start
sudo -u quentin git bisect bad
sudo -u quentin git checkout $GOOD_VER >/dev/null 2>&1
sudo -u quentin git bisect good

for i in $(seq 1 $NUM_TRIES); do
	echo Building ...
	sudo -u quentin make >/dev/null 2>&1

	rl; keepalived/keepalived -DRM -mf $CONF_FILE -g/tmp/sched.log -G --flush-log-file -i low
	sleep 1

	ps -ef | grep keepalived | grep -v grep >/dev/null
	if [[ $? -ne 0 ]]; then
		echo Skipping ...
		sudo -u quentin git bisect skip
		continue
	fi

	ip netns exec low ipvsadm -Ln >/tmp/ipvs.pre

	patch -d / -p1 <$PATCH_FILE

	k low HUP
	sleep 1

	ip netns exec low ipvsadm -Ln >/tmp/ipvs.post

	k low

	patch -d / -Rp1 <$PATCH_FILE

	diff -q /tmp/ipvs.p{re,ost}

	[[ $? -eq 0 ]] && status=bad || status=good

	echo Run was $status
	sudo -p quentin git bisect $status
done