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# $NetBSD: t_basic.sh,v 1.1 2017/01/16 08:18:11 ozaki-r Exp $
#
# Copyright (c) 2017 Internet Initiative Japan Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
SOCK_CLIENT=unix://carp_client
SOCK_MASTER=unix://carp_master
SOCK_BACKUP=unix://carp_backup
BUS=bus_carp
IP_CLIENT=10.1.1.240
IP_MASTER=10.1.1.1
IP_BACKUP=10.1.1.2
IP_CARP=10.1.1.100
TIMEOUT=3
atf_test_case carp_handover cleanup
carp_handover_head()
{
atf_set "descr" "Tests for CARP handover"
atf_set "require.progs" "rump_server"
}
setup_carp()
{
local sock=$1
local master=$2
local carpif= ip= advskew=
if $master; then
carpif=carp0
ip=$IP_MASTER
advskew=0
else
carpif=carp1
ip=$IP_BACKUP
advskew=200
fi
export RUMP_SERVER=$sock
atf_check -s exit:0 rump.ifconfig $carpif create
atf_check -s exit:0 rump.ifconfig shmif0 $ip/24 up
atf_check -s exit:0 rump.ifconfig $carpif \
vhid 175 advskew $advskew advbase 1 pass s3cret \
$IP_CARP netmask 255.255.255.0
atf_check -s exit:0 rump.ifconfig -w 10
}
wait_handover()
{
local i=0
export RUMP_SERVER=$SOCK_CLIENT
while [ $i -ne 5 ]; do
$DEBUG && echo "Trying ping $IP_CARP"
rump.ping -n -w 1 -c 1 $IP_CARP >/dev/null
if [ $? = 0 ]; then
$DEBUG && echo "Passed ping $IP_CARP"
break;
fi
$DEBUG && echo "Failed ping $IP_CARP"
i=$((i + 1))
done
if [ $i -eq 5 ]; then
atf_fail "Failed to failover (5 sec)"
fi
}
carp_handover_body()
{
rump_server_start $SOCK_CLIENT
rump_server_start $SOCK_MASTER
rump_server_start $SOCK_BACKUP
rump_server_add_iface $SOCK_CLIENT shmif0 $BUS
rump_server_add_iface $SOCK_MASTER shmif0 $BUS
rump_server_add_iface $SOCK_BACKUP shmif0 $BUS
setup_carp $SOCK_MASTER true
setup_carp $SOCK_BACKUP false
export RUMP_SERVER=$SOCK_CLIENT
atf_check -s exit:0 rump.ifconfig shmif0 $IP_CLIENT/24 up
atf_check -s exit:0 rump.ifconfig -w 10
# Check that the primary addresses are up
atf_check -s exit:0 -o ignore \
rump.ping -n -w $TIMEOUT -c 1 $IP_MASTER
atf_check -s exit:0 -o ignore \
rump.ping -n -w $TIMEOUT -c 1 $IP_BACKUP
# Give carp a while to croak
sleep 4
# Check state
export RUMP_SERVER=$SOCK_MASTER
$DEBUG && rump.ifconfig
atf_check -s exit:0 -o match:'carp: MASTER carpdev shmif0' \
rump.ifconfig carp0
export RUMP_SERVER=$SOCK_BACKUP
$DEBUG && rump.ifconfig
atf_check -s exit:0 -o match:'carp: BACKUP carpdev shmif0' \
rump.ifconfig carp1
export RUMP_SERVER=$SOCK_CLIENT
# Check that the shared IP works
atf_check -s exit:0 -o ignore \
rump.ping -n -w $TIMEOUT -c 1 $IP_CARP
# KILLING SPREE
env RUMP_SERVER=$SOCK_MASTER rump.halt
sleep 1
# Check that primary is now dead
atf_check -s not-exit:0 -o ignore \
rump.ping -n -w $TIMEOUT -c 1 $IP_MASTER
# Do it in installments. carp will cluck meanwhile
wait_handover
# Check state
export RUMP_SERVER=$SOCK_BACKUP
$DEBUG && rump.ifconfig
atf_check -s exit:0 -o match:'carp: MASTER carpdev shmif0' \
rump.ifconfig carp1
}
carp_handover_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case carp_handover
}
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