Files
bind9/bin/tests/system/ixfr/tests.sh
Evan Hunt 9529d1ed0d add a system test for AXFR fallback when max-ixfr-ratio is exceeded
also cleaned up the ixfr system test:

- use retry_quiet when applicable
- use scripts to generate test zones
- improve consistency
2021-01-26 12:38:32 +01:00

335 lines
11 KiB
Bash

#!/bin/sh
#
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
# WARNING: The test labelled "testing request-ixfr option in view vs zone"
# is fragile because it depends upon counting instances of records
# in the log file - need a better approach <sdm> - until then,
# if you add any tests above that point, you will break the test.
SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh
wait_for_serial() (
$DIG $DIGOPTS "@$1" "$2" SOA > "$4"
serial=$(awk '$4 == "SOA" { print $7 }' "$4")
[ "$3" -eq "${serial:--1}" ]
)
status=0
n=0
DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
SENDCMD="$PERL ../send.pl 10.53.0.2 ${EXTRAPORT1}"
RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf -s"
n=$((n+1))
echo_i "testing initial AXFR ($n)"
ret=0
$SENDCMD <<EOF
/SOA/
nil. 300 SOA ns.nil. root.nil. 1 300 300 604800 300
/AXFR/
nil. 300 SOA ns.nil. root.nil. 1 300 300 604800 300
/AXFR/
nil. 300 NS ns.nil.
nil. 300 TXT "initial AXFR"
a.nil. 60 A 10.0.0.61
b.nil. 60 A 10.0.0.62
/AXFR/
nil. 300 SOA ns.nil. root.nil. 1 300 300 604800 300
EOF
sleep 1
# Initially, ns1 is not authoritative for anything (see setup.sh).
# Now that ans is up and running with the right data, we make it
# a secondary for nil.
cat <<EOF >>ns1/named.conf
zone "nil" {
type secondary;
file "myftp.db";
primaries { 10.53.0.2; };
};
EOF
rndc_reload ns1 10.53.0.1
retry_quiet 10 wait_for_serial 10.53.0.1 nil. 1 dig.out.test$n || ret=1
$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'initial AXFR' >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "testing successful IXFR ($n)"
ret=0
# We change the IP address of a.nil., and the TXT record at the apex.
# Then we do a SOA-only update.
$SENDCMD <<EOF
/SOA/
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
/IXFR/
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
nil. 300 SOA ns.nil. root.nil. 1 300 300 604800 300
a.nil. 60 A 10.0.0.61
nil. 300 TXT "initial AXFR"
nil. 300 SOA ns.nil. root.nil. 2 300 300 604800 300
nil. 300 TXT "successful IXFR"
a.nil. 60 A 10.0.1.61
nil. 300 SOA ns.nil. root.nil. 2 300 300 604800 300
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
EOF
sleep 1
$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
sleep 2
$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'successful IXFR' >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "testing AXFR fallback after IXFR failure ($n)"
ret=0
# Provide a broken IXFR response and a working fallback AXFR response
$SENDCMD <<EOF
/SOA/
nil. 300 SOA ns.nil. root.nil. 4 300 300 604800 300
/IXFR/
nil. 300 SOA ns.nil. root.nil. 4 300 300 604800 300
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
nil. 300 TXT "delete-nonexistent-txt-record"
nil. 300 SOA ns.nil. root.nil. 4 300 300 604800 300
nil. 300 TXT "this-txt-record-would-be-added"
nil. 300 SOA ns.nil. root.nil. 4 300 300 604800 300
/AXFR/
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
/AXFR/
nil. 300 NS ns.nil.
nil. 300 TXT "fallback AXFR"
/AXFR/
nil. 300 SOA ns.nil. root.nil. 3 300 300 604800 300
EOF
sleep 1
$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
sleep 2
$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'fallback AXFR' >/dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "testing ixfr-from-differences option ($n)"
# ns3 is primary; ns4 is secondary
$CHECKZONE test. ns3/mytest.db > /dev/null 2>&1
if [ $? -ne 0 ]
then
echo_i "named-checkzone returned failure on ns3/mytest.db"
fi
retry_quiet 10 wait_for_serial 10.53.0.4 test. 1 dig.out.test$n || ret=1
nextpart ns4/named.run > /dev/null
# modify the primary
cp ns3/mytest1.db ns3/mytest.db
$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
# wait for primary to reload
retry_quiet 10 wait_for_serial 10.53.0.3 test. 2 dig.out.test$n || ret=1
# wait for secondary to reload
tret=0
retry_quiet 5 wait_for_serial 10.53.0.4 test. 2 dig.out.test$n || tret=1
if [ $tret -eq 1 ]; then
# re-noitfy after 5 seconds, then wait another 10
$RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
retry_quiet 10 wait_for_serial 10.53.0.4 test. 2 dig.out.test$n || ret=1
fi
wait_for_log 10 'got incremental' ns4/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "testing 'request-ixfr no' option inheritance from view ($n)"
ret=0
# There's a view with 2 zones. In the view, "request-ixfr yes"
# but in the zone "sub.test", request-ixfr no"
# we want to make sure that a change to sub.test results in AXFR, while
# changes to test. result in IXFR
cp ns3/subtest1.db ns3/subtest.db # change to sub.test zone, should be AXFR
nextpart ns4/named.run > /dev/null
$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
# wait for primary to reload
retry_quiet 10 wait_for_serial 10.53.0.3 sub.test. 3 dig.out.test$n || ret=1
# wait for secondary to reload
tret=0
retry_quiet 5 wait_for_serial 10.53.0.4 sub.test. 3 dig.out.test$n || tret=1
if [ $tret -eq 1 ]; then
# re-noitfy after 5 seconds, then wait another 10
$RNDCCMD 10.53.0.3 notify sub.test | set 's/^/ns3 /' | cat_i
retry_quiet 10 wait_for_serial 10.53.0.4 sub.test. 3 dig.out.test$n || ret=1
fi
wait_for_log 10 'got nonincremental response' ns4/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "testing 'request-ixfr yes' option inheritance from view ($n)"
ret=0
cp ns3/mytest2.db ns3/mytest.db # change to test zone, should be IXFR
nextpart ns4/named.run > /dev/null
$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
# wait for primary to reload
retry_quiet 10 wait_for_serial 10.53.0.3 test. 3 dig.out.test$n || ret=1
# wait for secondary to reload
tret=0
retry_quiet 5 wait_for_serial 10.53.0.4 test. 3 dig.out.test$n || tret=1
if [ $tret -eq 1 ]; then
# re-noitfy after 5 seconds, then wait another 10
$RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
retry_quiet 10 wait_for_serial 10.53.0.4 test. 3 dig.out.test$n || ret=1
fi
wait_for_log 10 'got incremental response' ns4/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
ret=0
echo_i "testing DiG's handling of a multi message AXFR style IXFR response ($n)"
(
(sleep 10 && kill $$) 2>/dev/null &
sub=$!
$DIG -p ${PORT} ixfr=0 large @10.53.0.3 > dig.out.test$n
kill $sub
)
lines=`grep hostmaster.large dig.out.test$n | wc -l`
test ${lines:-0} -eq 2 || ret=1
messages=`sed -n 's/^;;.*messages \([0-9]*\),.*/\1/p' dig.out.test$n`
test ${messages:-0} -gt 1 || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "test 'dig +notcp ixfr=<value>' vs 'dig ixfr=<value> +notcp' vs 'dig ixfr=<value>' ($n)"
ret=0
# Should be "switch to TCP" response
$DIG $DIGOPTS +notcp ixfr=1 test @10.53.0.4 > dig.out1.test$n || ret=1
$DIG $DIGOPTS ixfr=1 +notcp test @10.53.0.4 > dig.out2.test$n || ret=1
digcomp dig.out1.test$n dig.out2.test$n || ret=1
awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out1.test$n || ret=1
awk '$4 == "SOA" { if ($7 == 3) exit(0); else exit(1);}' dig.out1.test$n || ret=1
# Should be incremental transfer.
$DIG $DIGOPTS ixfr=1 test @10.53.0.4 > dig.out3.test$n || ret=1
awk '$4 == "SOA" { soacnt++} END { if (soacnt == 6) exit(0); else exit(1);}' dig.out3.test$n || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
# make sure ns5 has transfered the zone
# wait for secondary to reload
tret=0
retry_quiet 5 wait_for_serial 10.53.0.5 test. 4 dig.out.test$n || tret=1
if [ $tret -eq 1 ]; then
# re-noitfy after 5 seconds, then wait another 10
$RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
retry_quiet 10 wait_for_serial 10.53.0.5 test. 3 dig.out.test$n || ret=1
fi
n=$((n+1))
echo_i "test 'provide-ixfr no;' (serial < current) ($n)"
ret=0
nextpart ns5/named.run > /dev/null
# Should be "AXFR style" response
$DIG $DIGOPTS ixfr=1 test @10.53.0.5 > dig.out1.test$n || ret=1
# Should be "switch to TCP" response
$DIG $DIGOPTS ixfr=1 +notcp test @10.53.0.5 > dig.out2.test$n || ret=1
awk '$4 == "SOA" { soacnt++} END {if (soacnt == 2) exit(0); else exit(1);}' dig.out1.test$n || ret=1
awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out2.test$n || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "checking whether dig calculates IXFR statistics correctly ($n)"
ret=0
$DIG $DIGOPTS +noedns +stat -b 10.53.0.4 @10.53.0.4 test. ixfr=2 > dig.out1.test$n
get_dig_xfer_stats dig.out1.test$n > stats.dig
diff ixfr-stats.good stats.dig > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
# Note: in the next two tests, we use ns4 logs for checking both incoming and
# outgoing transfer statistics as ns4 is both a secondary server (for ns3) and a
# primary server (for dig queries from the previous test) for "test".
_wait_for_stats () {
get_named_xfer_stats ns4/named.run "$1" test "$2" > "$3"
diff ixfr-stats.good "$3" > /dev/null || return 1
return 0
}
n=$((n+1))
echo_i "checking whether named calculates incoming IXFR statistics correctly ($n)"
ret=0
retry_quiet 10 _wait_for_stats 10.53.0.3 "Transfer completed" stats.incoming
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "checking whether named calculates outgoing IXFR statistics correctly ($n)"
retry_quiet 10 _wait_for_stats 10.53.0.4 "IXFR ended" stats.outgoing
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
ret=0
echo_i "testing fallback to AXFR when max-ixfr-ratio is exceeded ($n)"
nextpart ns4/named.run > /dev/null
cp ns3/mytest3.db ns3/mytest.db # change to test zone, too big for IXFR
$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
# wait for secondary to reload
tret=0
retry_quiet 5 wait_for_serial 10.53.0.4 test. 4 dig.out.test$n || tret=1
if [ $tret -eq 1 ]; then
# re-noitfy after 5 seconds, then wait another 10
$RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
retry_quiet 10 wait_for_serial 10.53.0.4 test. 4 dig.out.test$n || ret=1
fi
wait_for_log 10 'got nonincremental response' ns4/named.run || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1