24510a1fda
With the netmgr in use, named may start answering queries before zones are loaded. This can cause transient failures in system tests after servers are restarted or reconfigured. This commit adds retry loops and sleep statements where needed to address this problem. Also incidentally silenced a clang warning.
176 lines
7.0 KiB
Bash
176 lines
7.0 KiB
Bash
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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SYSTEMTESTTOP=..
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. $SYSTEMTESTTOP/conf.sh
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DIGOPTS="-p ${PORT}"
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SENDCMD="$PERL ../send.pl 10.53.0.6 $EXTRAPORT1"
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root=10.53.0.1
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hidden=10.53.0.2
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f1=10.53.0.3
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f2=10.53.0.4
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status=0
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echo_i "checking that a forward zone overrides global forwarders"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example1. txt @$hidden > dig.out.hidden || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example1. txt @$f1 > dig.out.f1 || ret=1
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digcomp dig.out.hidden dig.out.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forward first zone no forwarders recurses"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$root > dig.out.root || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$f1 > dig.out.f1 || ret=1
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digcomp dig.out.root dig.out.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forward only zone no forwarders fails"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$root > dig.out.root || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$f1 > dig.out.f1 || ret=1
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digcomp dig.out.root dig.out.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that global forwarders work"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example4. txt @$hidden > dig.out.hidden || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example4. txt @$f1 > dig.out.f1 || ret=1
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digcomp dig.out.hidden dig.out.f1 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forward zone works"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example1. txt @$hidden > dig.out.hidden || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example1. txt @$f2 > dig.out.f2 || ret=1
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digcomp dig.out.hidden dig.out.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that forwarding doesn't spontaneously happen"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$root > dig.out.root || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example2. txt @$f2 > dig.out.f2 || ret=1
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digcomp dig.out.root dig.out.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forward zone with no specified policy works"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example3. txt @$hidden > dig.out.hidden || ret=1
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$DIG $DIGOPTS +noadd +noauth txt.example3. txt @$f2 > dig.out.f2 || ret=1
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digcomp dig.out.hidden dig.out.f2 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forward only doesn't recurse"
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ret=0
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$DIG $DIGOPTS txt.example5. txt @$f2 > dig.out.f2 || ret=1
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grep "SERVFAIL" dig.out.f2 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking for negative caching of forwarder response"
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# prime the cache, shutdown the forwarder then check that we can
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# get the answer from the cache. restart forwarder.
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ret=0
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$DIG $DIGOPTS nonexist. txt @10.53.0.5 > dig.out.f2 || ret=1
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grep "status: NXDOMAIN" dig.out.f2 > /dev/null || ret=1
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$PERL ../stop.pl forward ns4 || ret=1
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$DIG $DIGOPTS nonexist. txt @10.53.0.5 > dig.out.f2 || ret=1
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grep "status: NXDOMAIN" dig.out.f2 > /dev/null || ret=1
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$PERL ../start.pl --restart --noclean --port ${PORT} forward ns4 || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that forward only zone overrides empty zone"
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ret=0
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# retry loop in case the server restart above causes transient failure
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for try in 0 1 2 3 4 5 6 7 8 9; do
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$DIG $DIGOPTS 1.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.f2
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grep "status: NOERROR" dig.out.f2 > /dev/null || ret=1
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$DIG $DIGOPTS 2.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.f2
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grep "status: NXDOMAIN" dig.out.f2 > /dev/null || ret=1
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[ "$ret" -eq 0 ] && break
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sleep 1
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done
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that DS lookups for grafting forward zones are isolated"
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ret=0
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$DIG $DIGOPTS grafted A @10.53.0.4 > dig.out.q1
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$DIG $DIGOPTS grafted DS @10.53.0.4 > dig.out.q2
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$DIG $DIGOPTS grafted A @10.53.0.4 > dig.out.q3
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$DIG $DIGOPTS grafted AAAA @10.53.0.4 > dig.out.q4
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grep "status: NOERROR" dig.out.q1 > /dev/null || ret=1
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grep "status: NXDOMAIN" dig.out.q2 > /dev/null || ret=1
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grep "status: NOERROR" dig.out.q3 > /dev/null || ret=1
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grep "status: NOERROR" dig.out.q4 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that rfc1918 inherited 'forward first;' zones are warned about"
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ret=0
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$CHECKCONF rfc1918-inherited.conf | grep "forward first;" >/dev/null || ret=1
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$CHECKCONF rfc1918-notinherited.conf | grep "forward first;" >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that ULA inherited 'forward first;' zones are warned about"
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ret=0
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$CHECKCONF ula-inherited.conf | grep "forward first;" >/dev/null || ret=1
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$CHECKCONF ula-notinherited.conf | grep "forward first;" >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that a forwarder timeout prevents it from being reused in the same fetch context"
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ret=0
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# Make ans6 receive queries without responding to them.
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echo "//" | $SENDCMD
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# Query for a record in a zone which is forwarded to a non-responding forwarder
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# and is delegated from the root to check whether the forwarder will be retried
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# when a delegation is encountered after falling back to full recursive
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# resolution.
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$DIG $DIGOPTS txt.example7. txt @$f1 > dig.out.f1 || ret=1
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# The forwarder for the "example7" zone should only be queried once.
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sent=`tr -d '\r' < ns3/named.run | sed -n '/sending packet to 10.53.0.6/,/^$/p' | grep ";txt.example7.*IN.*TXT" | wc -l`
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if [ $sent -ne 1 ]; then ret=1; fi
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking that priming queries are not forwarded"
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ret=0
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$DIG $DIGOPTS +noadd +noauth txt.example1. txt @10.53.0.7 > dig.out.f7 || ret=1
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sent=`tr -d '\r' < ns7/named.run | sed -n '/sending packet to 10.53.0.1/,/^$/p' | grep ";.*IN.*NS" | wc -l`
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[ $sent -eq 1 ] || ret=1
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sent=`grep "10.53.0.7#.* (.): query '\./NS/IN' approved" ns4/named.run | wc -l`
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[ $sent -eq 0 ] || ret=1
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sent=`grep "10.53.0.7#.* (.): query '\./NS/IN' approved" ns1/named.run | wc -l`
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[ $sent -eq 1 ] || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "checking recovery from forwarding to a non-recursive server"
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ret=0
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$DIG $DIGOPTS xxx.sld.tld txt @10.53.0.8 > dig.out.f8
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grep "status: NOERROR" dig.out.f8 > /dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=`expr $status + $ret`
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echo_i "exit status: $status"
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[ $status -eq 0 ] || exit 1
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