Light refactoring of the fetchlimit system test

Prepare the fetchlimit system test for adding a clients-per-query
check. Change some functions and commands to accept a destination
NS IP address instead of using the hardcoded 10.53.0.3.
This commit is contained in:
Aram Sargsyan
2023-05-29 17:34:13 +00:00
parent 101d829b02
commit 7ebd055c78

View File

@@ -14,26 +14,36 @@
. ../conf.sh
DIGCMD="$DIG @10.53.0.3 -p ${PORT} +tcp +tries=1 +time=1"
RNDCCMD="$RNDC -p ${CONTROLPORT} -s 10.53.0.3 -c ../common/rndc.conf"
rndccmd() (
"$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
)
burst() {
num=${3:-20}
server=${1}
num=${4:-20}
rm -f burst.input.$$
while [ $num -gt 0 ]; do
num=$((num-1))
echo "${num}${1}${2}.lamesub.example A" >> burst.input.$$
if [ "${5}" == "dup" ]; then
# burst with duplicate queries
echo "${2}${3}.lamesub.example A" >> burst.input.$$
else
# burst with unique queries
echo "${num}${2}${3}.lamesub.example A" >> burst.input.$$
fi
done
$PERL ../ditch.pl -p ${PORT} -s 10.53.0.3 burst.input.$$
$PERL ../ditch.pl -p ${PORT} -s ${server} burst.input.$$
rm -f burst.input.$$
}
stat() {
clients=`$RNDCCMD status | grep "recursive clients" |
clients=`rndccmd ${1} status | grep "recursive clients" |
sed 's;.*: \([^/][^/]*\)/.*;\1;'`
echo_i "clients: $clients"
[ "$clients" = "" ] && return 1
[ "$clients" -ge $1 ] || return 1
[ "$clients" -le $2 ] || return 1
[ "$clients" -ge $2 ] || return 1
[ "$clients" -le $3 ] || return 1
return 0
}
@@ -44,15 +54,15 @@ n=$((n + 1))
echo_i "checking recursing clients are dropped at the per-server limit ($n)"
ret=0
# make the server lame and restart
$RNDCCMD flush
rndccmd 10.53.0.3 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
burst 10.53.0.3 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.
[ $try -le 5 ] && low=$((try*10))
stat 20 200 || ret=1
stat 10.53.0.3 20 200 || ret=1
[ $ret -eq 1 ] && break
sleep 1
done
@@ -62,7 +72,7 @@ status=$((status+ret))
n=$((n + 1))
echo_i "dumping ADB data ($n)"
ret=0
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
info=$(rndccmd 10.53.0.3 fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
quota=$2
@@ -74,7 +84,7 @@ n=$((n + 1))
echo_i "checking servfail statistics ($n)"
ret=0
rm -f ns3/named.stats
$RNDCCMD stats
rndccmd 10.53.0.3 stats
for try in 1 2 3 4 5; do
[ -f ns3/named.stats ] && break
sleep 1
@@ -90,10 +100,10 @@ status=$((status+ret))
n=$((n + 1))
echo_i "checking lame server recovery ($n)"
ret=0
rm -f ans4/norespond
test -f ans4/norespond && rm -f ans4/norespond
for try in 1 2 3 4 5; do
burst b $try
stat 0 200 || ret=1
burst 10.53.0.3 b $try
stat 10.53.0.3 0 200 || ret=1
[ $ret -eq 1 ] && break
sleep 1
done
@@ -103,7 +113,7 @@ status=$((status+ret))
n=$((n + 1))
echo_i "dumping ADB data ($n)"
ret=0
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
info=$(rndccmd 10.53.0.3 fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
[ ${2:-${quota}} -lt $quota ] || ret=1
@@ -115,8 +125,8 @@ n=$((n + 1))
echo_i "checking lame server recovery (continued) ($n)"
ret=0
for try in 1 2 3 4 5 6 7 8 9 10; do
burst c $try
stat 0 20 || ret=1
burst 10.53.0.3 c $try
stat 10.53.0.3 0 20 || ret=1
[ $ret -eq 1 ] && break
sleep 1
done
@@ -126,7 +136,7 @@ status=$((status+ret))
n=$((n + 1))
echo_i "dumping ADB data ($n)"
ret=0
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
info=$(rndccmd 10.53.0.3 fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
[ ${2:-${quota}} -gt $quota ] || ret=1
@@ -144,14 +154,14 @@ fail=0
success=0
touch ans4/norespond
for try in 1 2 3 4 5; do
burst b $try 300
burst 10.53.0.3 b $try 300
$DIGCMD a ${try}.example > dig.out.ns3.$n.$try
grep "status: NOERROR" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
success=$((success+1))
grep "status: SERVFAIL" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
fail=$(($fail+1))
stat 40 40 || ret=1
allowed=$($RNDCCMD fetchlimit | awk '/lamesub/ { print $6 }')
stat 10.53.0.3 40 40 || ret=1
allowed=$(rndccmd 10.53.0.3 fetchlimit | awk '/lamesub/ { print $6 }')
[ "${allowed:-0}" -eq 40 ] || ret=1
[ $ret -eq 1 ] && break
sleep 1
@@ -164,7 +174,7 @@ n=$((n + 1))
echo_i "checking drop statistics ($n)"
ret=0
rm -f ns3/named.stats
$RNDCCMD stats
rndccmd 10.53.0.3 stats
for try in 1 2 3 4 5; do
[ -f ns3/named.stats ] && break
sleep 1
@@ -188,9 +198,9 @@ exceeded=0
success=0
touch ans4/norespond
for try in 1 2 3 4 5; do
burst b $try 400
burst 10.53.0.3 b $try 400
$DIGCMD +time=2 a ${try}.example > dig.out.ns3.$n.$try
stat 1 400 || exceeded=$((exceeded + 1))
stat 10.53.0.3 1 400 || exceeded=$((exceeded + 1))
grep "status: NOERROR" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
success=$((success+1))
grep "status: SERVFAIL" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
@@ -211,7 +221,7 @@ echo_i "checking drop statistics ($n)"
ret=0
rm -f ns3/named.stats
touch ns3/named.stats
$RNDCCMD stats
rndccmd 10.53.0.3 stats
wait_for_log 5 "queries dropped due to recursive client limit" ns3/named.stats || ret=1
drops=`grep 'queries dropped due to recursive client limit' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/'`
[ "${drops:-0}" -ne 0 ] || ret=1