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Add tests with stale-cache-disabled into serve-stale system test

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Add a fifth named (ns5) that runs with `stale-cache-enable no;` and
check that there are no stale records in the cache.

(cherry picked from commit abc2ab9223)
This commit is contained in:
Ondřej Surý
2020-07-30 13:55:13 +02:00
committed by Matthijs Mekking
parent f9711481ad
commit c4e6ade0e5
3 changed files with 256 additions and 4 deletions
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220
bin/tests/system/serve-stale/tests.sh
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@@ -85,7 +85,7 @@ $RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
[ -f ns1/named.stats ] || ret=1
cp ns1/named.stats ns1/named.stats.$n
# Check first 10 lines of Cache DB statistics. After prime queries, we expect
# two active TXT one nxrrset TXT, and one NXDOMAIN.
# two active TXT, one active Others, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
@@ -501,7 +501,7 @@ $RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
[ -f ns1/named.stats ] || ret=1
cp ns1/named.stats ns1/named.stats.$n
# Check first 10 lines of Cache DB statistics. After prime queries, we expect
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
@@ -704,7 +704,7 @@ $RNDCCMD 10.53.0.3 stats > /dev/null 2>&1
[ -f ns3/named.stats ] || ret=1
cp ns3/named.stats ns3/named.stats.$n
# Check first 10 lines of Cache DB statistics. After prime queries, we expect
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns3/named.stats.$n.cachedb > /dev/null || ret=1
@@ -932,7 +932,7 @@ $RNDCCMD 10.53.0.4 stats > /dev/null 2>&1
[ -f ns4/named.stats ] || ret=1
cp ns4/named.stats ns4/named.stats.$n
# Check first 10 lines of Cache DB statistics. After prime queries, we expect
# two active TXT RRsets, one nxrrset TXT, and one NXDOMAIN.
# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns4/named.stats.$n.cachedb > /dev/null || ret=1
@@ -1077,5 +1077,217 @@ grep "#NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null && ret=1
status=$((status+ret))
if [ $ret != 0 ]; then echo_i "failed"; fi
#
# Test the server with stale-cache disabled.
#
echo_i "test server with serve-stale cache disabled"
n=$((n+1))
echo_i "enable responses from authoritative server ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.2 txt enable > dig.out.test$n
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "prime cache longttl.example (serve-stale cache disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.5 longttl.example TXT > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "prime cache data.example (serve-stale cache disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.5 data.example TXT > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "prime cache othertype.example (serve-stale cache disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.5 othertype.example CAA > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "prime cache nodata.example (serve-stale cache disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.5 nodata.example TXT > dig.out.test$n
grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "prime cache nxdomain.example (serve-stale cache disabled) ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.5 nxdomain.example TXT > dig.out.test$n
grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "verify prime cache statistics (serve-stale cache disabled) ($n)"
ret=0
rm -f ns5/named.stats
$RNDCCMD 10.53.0.5 stats > /dev/null 2>&1
[ -f ns5/named.stats ] || ret=1
cp ns5/named.stats ns5/named.stats.$n
# Check first 10 lines of Cache DB statistics. After serve-stale queries,
# we expect two active TXT RRsets, one active Others, one nxrrset TXT, and
# one NXDOMAIN.
grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
grep "2 TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 Others" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 !TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep "1 NXDOMAIN" ns5/named.stats.$n.cachedb > /dev/null || ret=1
status=$((status+ret))
if [ $ret != 0 ]; then echo_i "failed"; fi
n=$((n+1))
echo_i "disable responses from authoritative server ($n)"
ret=0
$DIG -p ${PORT} @10.53.0.2 txt disable > dig.out.test$n
grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check 'rndc serve-stale status' ($n)"
ret=0
$RNDCCMD 10.53.0.5 serve-stale status > rndc.out.test$n 2>&1 || ret=1
grep "_default: off (not-cached)" rndc.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
sleep 2
echo_i "sending queries for tests $((n+1))-$((n+4))..."
$DIG -p ${PORT} @10.53.0.5 data.example TXT > dig.out.test$((n+1)) &
$DIG -p ${PORT} @10.53.0.5 othertype.example CAA > dig.out.test$((n+2)) &
$DIG -p ${PORT} @10.53.0.5 nodata.example TXT > dig.out.test$((n+3)) &
$DIG -p ${PORT} @10.53.0.5 nxdomain.example TXT > dig.out.test$((n+4))
# ensure all files have been written before proceeding
waitfile dig.out.test$((n+1))
waitfile dig.out.test$((n+2))
waitfile dig.out.test$((n+3))
waitfile dig.out.test$((n+4))
n=$((n+1))
echo_i "check fail of data.example (serve-stale cache disabled) ($n)"
ret=0
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check fail of othertype.example (serve-stale cache disabled) ($n)"
ret=0
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check fail of nodata.example (serve-stale cache disabled) ($n)"
ret=0
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check fail of nxdomain.example (serve-stale cache disabled) ($n)"
ret=0
grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "verify stale cache statistics (serve-stale cache disabled) ($n)"
ret=0
rm -f ns5/named.stats
$RNDCCMD 10.53.0.5 stats > /dev/null 2>&1
[ -f ns5/named.stats ] || ret=1
cp ns5/named.stats ns5/named.stats.$n
# Check first 10 lines of Cache DB statistics. After serve-stale queries,
# we expect one active TXT (longttl) and the rest to be expired from cache.
grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
grep -F "1 Others" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep -F "2 TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep -F "1 !TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
grep -F "1 NXDOMAIN" ns5/named.stats.$n.cachedb > /dev/null || ret=1
status=$((status+ret))
if [ $ret != 0 ]; then echo_i "failed"; fi
# Dump the cache.
n=$((n+1))
echo_i "dump the cache (serve-stale cache disabled) ($n)"
ret=0
$RNDCCMD 10.53.0.5 dumpdb -cache > rndc.out.test$n 2>&1 || ret=1
done=0
for i in 0 1 2 3 4 5 6 7 8 9; do
grep '^; Dump complete$' ns5/named_dump5.db > /dev/null 2>&1 && done=1
if [ $done != 1 ]; then sleep 1; fi
done
if [ $done != 1 ]; then ret=1; fi
status=$((status+ret))
if [ $ret != 0 ]; then echo_i "failed"; fi
echo_i "stop ns5"
$PERL ../stop.pl --use-rndc --port ${CONTROLPORT} serve-stale ns5
# Load the cache as if it was five minutes (RBTDB_VIRTUAL) older.
FIVEMINUTESAGO=`TZ=UTC perl -e 'my $now = time();
my $fiveMinutesAgo = 300;
my ($s, $m, $h, $d, $mo, $y) = (localtime($fiveMinutesAgo))[0, 1, 2, 3, 4, 5];
printf("%04d%02d%02d%02d%02d%02d", $y+1900, $mo+1, $d, $h, $m, $s);'`
n=$((n+1))
echo_i "mock the cache date to $FIVEMINUTESAGO (serve-stale cache disabled) ($n)"
ret=0
sed -E "s/DATE [0-9]{14}/DATE $FIVEMINUTESAGO/g" ns5/named_dump5.db > ns5/named_dumpdb5.db.out || ret=1
cp ns5/named_dumpdb5.db.out ns5/named_dumpdb5.db
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))
echo_i "start ns5"
start_server --noclean --restart --port ${PORT} serve-stale ns5
n=$((n+1))
echo_i "verify ancient cache statistics (serve-stale cache disabled) ($n)"
ret=0
rm -f ns5/named.stats
$RNDCCMD 10.53.0.5 stats #> /dev/null 2>&1
[ -f ns5/named.stats ] || ret=1
cp ns5/named.stats ns5/named.stats.$n
# Check first 10 lines of Cache DB statistics. After last queries, we expect
# everything to be removed or scheduled to be removed.
grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
grep -F "#TXT" ns5/named.stats.$n.cachedb > /dev/null && ret=1
grep -F "#Others" ns5/named.stats.$n.cachedb > /dev/null && ret=1
grep -F "#!TXT" ns5/named.stats.$n.cachedb > /dev/null && ret=1
grep -F "#NXDOMAIN" ns5/named.stats.$n.cachedb > /dev/null && ret=1
status=$((status+ret))
if [ $ret != 0 ]; then echo_i "failed"; fi
echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1