#!/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 http://mozilla.org/MPL/2.0/. # # See the COPYRIGHT file distributed with this work for additional # information regarding copyright ownership. SYSTEMTESTTOP=.. . $SYSTEMTESTTOP/conf.sh DIGCMD="$DIG @10.53.0.3 -p ${PORT} +tries=1 +time=1" RNDCCMD="$RNDC -p ${CONTROLPORT} -s 10.53.0.3 -c ../common/rndc.conf" burst() { num=${3:-20} rm -f burst.input.$$ while [ $num -gt 0 ]; do num=`expr $num - 1` echo "${num}${1}${2}.lamesub.example A" >> burst.input.$$ done $PERL ../ditch.pl -p ${PORT} -s 10.53.0.3 burst.input.$$ rm -f burst.input.$$ } stat() { clients=`$RNDCCMD status | grep "recursive clients" | sed 's;.*: \([^/][^/]*\)/.*;\1;'` echo_i "clients: $clients" [ "$clients" = "" ] && return 1 [ "$clients" -le $1 ] } status=0 echo_i "checking recursing clients are dropped at the per-server limit" ret=0 # make the server lame and restart $RNDCCMD flush touch ans4/norespond for try in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do burst a $try # fetches-per-server is at 400, but at 20qps against a lame server, # we'll reach 200 at the tenth second, and the quota should have been # tuned to less than that by then stat 200 || ret=1 [ $ret -eq 1 ] && break sleep 1 done if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` echo_i "dumping ADB data" $RNDCCMD dumpdb -adb info=`grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/'` echo_i $info set -- $info quota=$5 [ ${5:-200} -lt 200 ] || ret=1 echo_i "checking servfail statistics" ret=0 rm -f ns3/named.stats $RNDCCMD stats for try in 1 2 3 4 5; do [ -f ns3/named.stats ] && break sleep 1 done sspill=`grep 'spilled due to server' ns3/named.stats | sed 's/\([0-9][0-9]*\) spilled.*/\1/'` [ -z "$sspill" ] && sspill=0 fails=`grep 'queries resulted in SERVFAIL' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/'` [ -z "$fails" ] && fails=0 [ "$fails" -ge "$sspill" ] || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` echo_i "checking lame server recovery" ret=0 rm -f ans4/norespond for try in 1 2 3 4 5; do burst b $try stat 200 || ret=1 [ $ret -eq 1 ] && break sleep 1 done echo_i "dumping ADB data" $RNDCCMD dumpdb -adb info=`grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/'` echo_i $info set -- $info [ ${5:-${quota}} -lt $quota ] || ret=1 quota=$5 for try in 1 2 3 4 5 6 7 8 9 10; do burst c $try stat 20 || ret=1 [ $ret -eq 1 ] && break sleep 1 done echo_i "dumping ADB data" $RNDCCMD dumpdb -adb info=`grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/'` echo_i $info set -- $info [ ${5:-${quota}} -gt $quota ] || ret=1 quota=$5 if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` copy_setports ns3/named2.conf.in ns3/named.conf $RNDCCMD reconfig 2>&1 | sed 's/^/ns3 /' | cat_i echo_i "checking lame server clients are dropped at the per-domain limit" ret=0 fail=0 success=0 touch ans4/norespond for try in 1 2 3 4 5; do burst b $try 300 $DIGCMD a ${try}.example > dig.out.ns3.$try grep "status: NOERROR" dig.out.ns3.$try > /dev/null 2>&1 && \ success=`expr $success + 1` grep "status: SERVFAIL" dig.out.ns3.$try > /dev/null 2>&1 && \ fail=`expr $fail + 1` stat 50 || ret=1 [ $ret -eq 1 ] && break $RNDCCMD recursing 2>&1 | sed 's/^/ns3 /' | cat_i sleep 1 done echo_i "$success successful valid queries, $fail SERVFAIL" if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` echo_i "checking drop statistics" rm -f ns3/named.stats $RNDCCMD stats for try in 1 2 3 4 5; do [ -f ns3/named.stats ] && break sleep 1 done zspill=`grep 'spilled due to zone' ns3/named.stats | sed 's/\([0-9][0-9]*\) spilled.*/\1/'` [ -z "$zspill" ] && zspill=0 drops=`grep 'queries dropped' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/'` [ -z "$drops" ] && drops=0 [ "$drops" -ge "$zspill" ] || ret=1 if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` copy_setports ns3/named3.conf.in ns3/named.conf $RNDCCMD reconfig 2>&1 | sed 's/^/ns3 /' | cat_i echo_i "checking lame server clients are dropped at the soft limit" ret=0 fail=0 exceeded=0 success=0 touch ans4/norespond for try in 1 2 3 4 5; do burst b $try 400 $DIG @10.53.0.3 -p ${PORT} a ${try}.example > dig.out.ns3.$try stat 360 || exceeded=`expr $exceeded + 1` grep "status: NOERROR" dig.out.ns3.$try > /dev/null 2>&1 && \ success=`expr $success + 1` grep "status: SERVFAIL" dig.out.ns3.$try > /dev/null 2>&1 && \ fail=`expr $fail + 1` sleep 1 done echo_i "$success successful valid queries (expected 5)" [ "$success" -eq 5 ] || { echo_i "failed"; ret=1; } echo_i "$fail SERVFAIL responses (expected 0)" [ "$fail" -eq 0 ] || { echo_i "failed"; ret=1; } echo_i "clients count exceeded 360 on $exceeded trials (expected 0)" [ "$exceeded" -eq 0 ] || { echo_i "failed"; ret=1; } if [ $ret != 0 ]; then echo_i "failed"; fi status=`expr $status + $ret` echo_i "exit status: $status" [ $status -eq 0 ] || exit 1