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add "rndc fetchlimit" to show fetchlimited servers

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this command runs dns_adb_dumpquota() to display all servers
in the ADB that are being actively fetchlimited by the
fetches-per-server controls (i.e, servers with a nonzero average
timeout ratio or with the quota having been reduced from the
default value).

the "fetchlimit" system test has been updated to use the
new command to check quota values instead of "rndc dumpdb".
This commit is contained in:
Evan Hunt
2022-05-26 02:33:52 -07:00
parent 7cac4ca03c
commit 6175897478
9 changed files with 210 additions and 12 deletions
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21
bin/tests/system/fetchlimit/tests.sh
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@@ -58,12 +58,11 @@ if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((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/'`
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
quota=$5
[ ${5:-200} -lt 200 ] || ret=1
quota=$2
[ ${quota:-200} -lt 200 ] || ret=1
echo_i "checking servfail statistics"
ret=0
@@ -92,12 +91,11 @@ for try in 1 2 3 4 5; do
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/'`
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
[ ${5:-${quota}} -lt $quota ] || ret=1
quota=$5
[ ${2:-${quota}} -lt $quota ] || ret=1
quota=$2
for try in 1 2 3 4 5 6 7 8 9 10; do
burst c $try
@@ -107,12 +105,11 @@ for try in 1 2 3 4 5 6 7 8 9 10; do
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/'`
info=$($RNDCCMD fetchlimit | grep 10.53.0.4 | sed 's/.*quota .*(\([0-9]*\).*atr \([.0-9]*\).*/\2 \1/')
echo_i $info
set -- $info
[ ${5:-${quota}} -gt $quota ] || ret=1
quota=$5
[ ${2:-${quota}} -gt $quota ] || ret=1
quota=$2
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status+ret))