]> git.ipfire.org Git - thirdparty/unbound.git/commitdiff
- Introduce test for statistics.
authorGeorge Thessalonikefs <george@nlnetlabs.nl>
Tue, 15 Sep 2020 10:45:22 +0000 (12:45 +0200)
committerGeorge Thessalonikefs <george@nlnetlabs.nl>
Tue, 15 Sep 2020 10:45:22 +0000 (12:45 +0200)
12 files changed:
doc/Changelog
testdata/stat_values.tdir/stat_values.conf [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.dsc [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.post [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.pre [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.test [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.testexpiredns [new file with mode: 0644]
testdata/stat_values.tdir/stat_values.testns [new file with mode: 0644]
testdata/stat_values.tdir/unbound_control.key [new file with mode: 0644]
testdata/stat_values.tdir/unbound_control.pem [new file with mode: 0644]
testdata/stat_values.tdir/unbound_server.key [new file with mode: 0644]
testdata/stat_values.tdir/unbound_server.pem [new file with mode: 0644]

index e2ea4c7d88c41412a377c9c9aa16136bc6158625..593b57971cc230aba74d758364339d17e92a3193 100644 (file)
@@ -1,3 +1,6 @@
+15 September 2020: George
+       - Introduce test for statistics.
+
 11 September 2020: Wouter
        - Remove x file mode on ipset/ipset.c and h files.
 
diff --git a/testdata/stat_values.tdir/stat_values.conf b/testdata/stat_values.tdir/stat_values.conf
new file mode 100644 (file)
index 0000000..aaef81d
--- /dev/null
@@ -0,0 +1,31 @@
+server:
+       verbosity: 5
+       num-threads: 1
+       interface: 127.0.0.1
+       port: @PORT@
+       use-syslog: no
+       directory: ""
+       pidfile: "unbound.pid"
+       chroot: ""
+       username: ""
+       do-not-query-localhost: no
+       extended-statistics: yes
+       identity: "stat_values"
+
+       local-zone: local.zone static
+       local-data: "www.local.zone A 192.0.2.1"
+remote-control:
+       control-enable: yes
+       control-interface: 127.0.0.1
+       # control-interface: ::1
+       control-port: @CONTROL_PORT@
+       server-key-file: "unbound_server.key"
+       server-cert-file: "unbound_server.pem"
+       control-key-file: "unbound_control.key"
+       control-cert-file: "unbound_control.pem"
+forward-zone:
+       name: "."
+       forward-addr: "127.0.0.1@@TOPORT@"
+forward-zone:
+       name: "expired."
+       forward-addr: "127.0.0.1@@EXPIREDPORT@"
diff --git a/testdata/stat_values.tdir/stat_values.dsc b/testdata/stat_values.tdir/stat_values.dsc
new file mode 100644 (file)
index 0000000..5112dbc
--- /dev/null
@@ -0,0 +1,16 @@
+BaseName: stat_values
+Version: 1.0
+Description: Test unbound statistics
+CreationDate: Mon Sep 09 14:48:03 CEST 2020
+Maintainer:
+Category:
+Component:
+CmdDepends:
+Depends:
+Help:
+Pre: stat_values.pre
+Post: stat_values.post
+Test: stat_values.test
+AuxFiles:
+Passed:
+Failure:
diff --git a/testdata/stat_values.tdir/stat_values.post b/testdata/stat_values.tdir/stat_values.post
new file mode 100644 (file)
index 0000000..8656b59
--- /dev/null
@@ -0,0 +1,14 @@
+# #-- stat_values.post --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# source the test var file when it's there
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+#
+# do your teardown here
+. ../common.sh
+kill_pid $FWD_PID
+kill $FWD_EXPIRED_PID >/dev/null 2>&1  # This is killed during testing.
+# it was stopped with unbound-control (if the test succeeded)
+kill $UNBOUND_PID >/dev/null 2>&1
+kill $UNBOUND_PID >/dev/null 2>&1
+exit 0
diff --git a/testdata/stat_values.tdir/stat_values.pre b/testdata/stat_values.tdir/stat_values.pre
new file mode 100644 (file)
index 0000000..2db4a17
--- /dev/null
@@ -0,0 +1,41 @@
+# #-- stat_values.pre--#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+
+. ../common.sh
+get_random_port 4
+UNBOUND_PORT=$RND_PORT
+FWD_PORT=$(($RND_PORT + 1))
+FWD_EXPIRED_PORT=$(($RND_PORT + 2))
+CONTROL_PORT=$(($RND_PORT + 3))
+FWD_EXPIRED_PORT=$(($RND_PORT + 4))
+echo "UNBOUND_PORT=$UNBOUND_PORT" >> .tpkg.var.test
+echo "FWD_PORT=$FWD_PORT" >> .tpkg.var.test
+echo "FWD_EXPIRED_PORT=$FWD_EXPIRED_PORT" >> .tpkg.var.test
+echo "CONTROL_PORT=$CONTROL_PORT" >> .tpkg.var.test
+
+# start forwarder
+get_ldns_testns
+$LDNS_TESTNS -p $FWD_PORT stat_values.testns >fwd.log 2>&1 &
+FWD_PID=$!
+echo "FWD_PID=$FWD_PID" >> .tpkg.var.test
+
+# start expired forwarder
+$LDNS_TESTNS -p $FWD_EXPIRED_PORT stat_values.testexpiredns >fwd_expired.log 2>&1 &
+FWD_EXPIRED_PID=$!
+echo "FWD_EXPIRED_PID=$FWD_EXPIRED_PID" >> .tpkg.var.test
+
+# make config file
+sed -e 's/@PORT\@/'$UNBOUND_PORT'/' -e 's/@TOPORT\@/'$FWD_PORT'/' -e 's/@EXPIREDPORT\@/'$FWD_EXPIRED_PORT'/' -e 's/@CONTROL_PORT\@/'$CONTROL_PORT'/' < stat_values.conf > ub.conf
+# start unbound in the background
+PRE="../.."
+$PRE/unbound -d -c ub.conf >unbound.log 2>&1 &
+UNBOUND_PID=$!
+echo "UNBOUND_PID=$UNBOUND_PID" >> .tpkg.var.test
+
+cat .tpkg.var.test
+wait_ldns_testns_up fwd.log
+wait_ldns_testns_up fwd_expired.log
+wait_unbound_up unbound.log
diff --git a/testdata/stat_values.tdir/stat_values.test b/testdata/stat_values.tdir/stat_values.test
new file mode 100644 (file)
index 0000000..5c72708
--- /dev/null
@@ -0,0 +1,411 @@
+# #-- stat_values.test --#
+# source the master var file when it's there
+[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
+# use .tpkg.var.test for in test variable passing
+[ -f .tpkg.var.test ] && source .tpkg.var.test
+# We need kill_pid for the serve-expired-client-timeour test
+. ../common.sh
+
+PRE="../.."
+
+# Individual thread stats.
+STATS_IGNORE_THREAD="\
+^thread"
+
+# Histogram stats.
+STATS_IGNORE_HISTOGRAM="\
+^histogram"
+
+# Time dependent stats.
+STATS_IGNORE_TIME_SPECIFIC="\
+^total.recursion.time.avg=
+^total.recursion.time.median=
+^time.now=
+^time.up=
+^time.elapsed="
+
+# Usage dependent stats.
+STATS_IGNORE_USAGE_SPECIFIC="\
+^total.requestlist.avg=
+^total.requestlist.max=
+^total.requestlist.overwritten=
+^total.requestlist.exceeded=
+^total.requestlist.current.all=
+^total.requestlist.current.user=
+^total.tcpusage=
+^mem\."
+
+# Stats to ignore by default.
+STATS_IGNORE_DEFAULT="\
+$STATS_IGNORE_THREAD
+$STATS_IGNORE_HISTOGRAM
+$STATS_IGNORE_TIME_SPECIFIC
+$STATS_IGNORE_USAGE_SPECIFIC"
+
+# Various files to be used while testing.
+STATS_FILE=stats.$$
+EXPECTED_STATS_FILE=expected_stats.$$
+IGNORE_REGEX_FILE=ignore_regex.$$
+FILTERED_STATS_FILE=filtered_stats.$$
+FOUND_STATS_FILE=found_stats.$$
+REST_STATS_FILE=rest_stats.$$
+
+DEBUG=0
+
+# Write stats to $STATS_FILE.
+# Call this when you want to get stats from unbound.
+get_stats () {
+       echo "> Getting stats"
+       echo "$PRE/unbound-control -c ub.conf stats"
+       $PRE/unbound-control -c ub.conf stats > $STATS_FILE
+       if test $? -ne 0; then
+               echo "wrong exit value after success"
+               exit 1
+       fi
+}
+
+# Set the expected stat values by writing to $EXPECTED_STATS_FILE.
+# sort is used for proper diff later.
+set_expected_stats () {
+       echo "$1" | sort > $EXPECTED_STATS_FILE
+}
+
+# Set the regex to ignore stats by writing to $IGNORE_REGEX_FILE.
+set_ignore_regex_stats () {
+       echo "$1" > $IGNORE_REGEX_FILE
+}
+
+# Filter the stats by removing any matched regex from $IGNORE_REGEX_FILE,
+# sorts and writes the left over stats to $FILTERED_STATS_FILE.
+filter_stats () {
+       grep -v -f $IGNORE_REGEX_FILE $STATS_FILE | sort > $FILTERED_STATS_FILE
+}
+
+# Check that the stats in $FILTERED_STATS_FILE include the expected stats in
+# $EXPECTED_STATS_FILE.
+check_expected_stats () {
+       echo "> Checking expected stats"
+       grep -F -x -f $EXPECTED_STATS_FILE $FILTERED_STATS_FILE > $FOUND_STATS_FILE
+       if test $DEBUG -ne 0; then
+               echo "Found:"
+               cat $FOUND_STATS_FILE
+       fi
+       if diff $EXPECTED_STATS_FILE $FOUND_STATS_FILE; then
+               echo "OK"
+       else
+               echo "! bad expected stats:"
+        cat $FILTERED_STATS_FILE
+               exit 1
+       fi
+}
+
+# Check that the rest (unspecified) stats are all 0 (no surprises).
+check_rest_stats () {
+       echo "> Checking rest stats"
+       grep -F -x -v -f $EXPECTED_STATS_FILE $FILTERED_STATS_FILE > $REST_STATS_FILE
+       if test $DEBUG -ne 0; then
+               echo "Rest:"
+               cat $REST_STATS_FILE
+       fi
+       if grep -v "=0$" $REST_STATS_FILE; then
+               echo "! bad rest stats"
+               exit 1
+       else
+               echo "OK"
+       fi
+}
+
+# Main function to check stats by:
+# - Getting stats from unbound
+# - Filtering out the stats we are not interested in
+# - Checking that the expected stats are part of the filtered stats
+# - The rest of the stats have 0 values.
+check_stats () {
+       set_expected_stats "$1"
+       if test $DEBUG -ne 0; then
+               echo "Expected:"
+               cat $EXPECTED_STATS_FILE
+       fi
+       get_stats
+       filter_stats
+       if test $DEBUG -ne 0; then
+               echo "Filtered:"
+               cat $FILTERED_STATS_FILE
+       fi
+       check_expected_stats
+       check_rest_stats
+}
+
+# Convenient function to set an option through unbound-control.
+set_ub_option () {
+       name=$1
+       value=$2
+       echo "$PRE/unbound-control -c ub.conf set_option $name: $value"
+       $PRE/unbound-control -c ub.conf set_option $name: $value
+       if test $? -ne 0; then
+               echo "wrong exit value after success"
+               exit 1
+       fi
+}
+
+# Convenient function to exit the test.
+end () {
+       echo "> cat logfiles"
+       cat fwd.log
+       cat unbound.log
+       if test $1 -eq 1; then
+               echo "Not OK"
+       else
+               echo "> OK"
+       fi
+       exit $1
+}
+
+# Ignore all run specific stats.
+set_ignore_regex_stats "$STATS_IGNORE_DEFAULT"
+
+# Check if the server is up.
+echo "> dig 1ttl.example.com."
+dig @127.0.0.1 -p $UNBOUND_PORT 1ttl.example.com. | tee outfile
+echo "> check answer"
+if grep "1.1.1.1" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+
+echo
+echo "[ Check initial stats based on first query. ]"
+check_stats "\
+total.num.queries=1
+total.num.cachemiss=1
+total.num.recursivereplies=1
+num.query.type.A=1
+num.query.class.IN=1
+num.query.opcode.QUERY=1
+num.query.flags.RD=1
+num.query.flags.AD=1
+num.query.edns.present=1
+msg.cache.count=1
+rrset.cache.count=1
+infra.cache.count=1
+num.answer.rcode.NOERROR=1"
+
+echo
+echo "[ Check stat reset. ]"
+check_stats "\
+msg.cache.count=1
+rrset.cache.count=1
+infra.cache.count=1"
+
+
+echo
+echo "[ Enable serve-expired and check. ]"
+set_ub_option serve-expired yes
+sleep 2  # make sure the TTL has expired.
+echo "> dig 1ttl.example.com."
+dig @127.0.0.1 -p $UNBOUND_PORT 1ttl.example.com. | tee outfile
+echo "> check answer"
+if grep "1.1.1.1" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+total.num.queries=1
+total.num.expired=1
+total.num.cachehits=1
+total.num.prefetch=1
+num.answer.rcode.NOERROR=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+msg.cache.count=1
+rrset.cache.count=1
+infra.cache.count=1"
+
+
+echo
+echo "[ Enable serve-expired-client-timeout and check. ]"
+set_ub_option serve-expired-client-timeout 1
+echo "> dig servfail.expired."
+dig @127.0.0.1 -p $UNBOUND_PORT servfail.expired. | tee outfile
+echo "> check answer"
+if grep "192.0.2.1" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+total.num.queries=1
+total.num.cachemiss=1
+total.num.recursivereplies=1
+num.query.type.A=1
+num.query.class.IN=1
+num.query.opcode.QUERY=1
+num.query.flags.RD=1
+num.query.flags.AD=1
+num.query.edns.present=1
+msg.cache.count=2
+rrset.cache.count=2
+infra.cache.count=2
+num.answer.rcode.NOERROR=1"
+kill_pid $FWD_EXPIRED_PID  # kill the expired forwarder to force a servfail from upstream.
+sleep 2  # make sure the TTL has expired.
+echo "> dig servfail.expired."
+dig @127.0.0.1 -p $UNBOUND_PORT servfail.expired. | tee outfile
+echo "> check answer"
+if grep "192.0.2.1" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+total.num.queries=1
+total.num.expired=1
+total.num.recursivereplies=1
+num.answer.rcode.NOERROR=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+total.num.cachemiss=1
+msg.cache.count=2
+rrset.cache.count=2
+infra.cache.count=2"
+
+
+# Disable serve-expired
+set_ub_option serve-expired no
+
+
+echo
+echo "[ Check REFUSED; try without RD flag. ]"
+echo "> dig somethingelse.example.com."
+dig @127.0.0.1 -p $UNBOUND_PORT +nordflag somethingelse.example.com. | tee outfile
+echo "> check answer"
+if grep "REFUSED" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+num.answer.rcode.REFUSED=1
+total.num.cachehits=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+total.num.queries=1
+msg.cache.count=2
+rrset.cache.count=2
+infra.cache.count=2"
+
+
+echo
+echo "[ Check the AD flag. ]"
+echo "> dig www.example.com."
+dig @127.0.0.1 -p $UNBOUND_PORT +noadflag www.example.com. | tee outfile
+echo "> check answer"
+if grep "10.20.30.40" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+num.query.flags.AD=0
+total.num.cachemiss=1
+num.answer.rcode.NOERROR=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+total.num.queries=1
+total.num.recursivereplies=1
+msg.cache.count=3
+rrset.cache.count=3
+infra.cache.count=2"
+
+echo
+echo "[ Check local zone. ]"
+echo "> dig www.local.zone."
+dig @127.0.0.1 -p $UNBOUND_PORT www.local.zone. | tee outfile
+echo "> check answer"
+if grep "192.0.2.1" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+num.answer.rcode.NOERROR=1
+total.num.cachehits=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+total.num.queries=1
+msg.cache.count=3
+rrset.cache.count=3
+infra.cache.count=2"
+
+
+echo
+echo "[ Check NXDOMAIN (with local data). ]"
+echo "> dig mail.local.zone."
+dig @127.0.0.1 -p $UNBOUND_PORT mail.local.zone. | tee outfile
+echo "> check answer"
+if grep "NXDOMAIN" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+num.answer.rcode.NXDOMAIN=1
+total.num.cachehits=1
+num.query.class.IN=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.A=1
+total.num.queries=1
+msg.cache.count=3
+rrset.cache.count=3
+infra.cache.count=2"
+
+
+echo
+echo "[ Check CHAOS. ]"
+echo "> dig id.server. ch txt"
+dig @127.0.0.1 -p $UNBOUND_PORT id.server. ch txt | tee outfile
+echo "> check answer"
+if grep "stat_values" outfile; then
+       echo "OK"
+else
+       end 1
+fi
+check_stats "\
+num.query.class.CH=1
+total.num.cachehits=1
+num.answer.rcode.NOERROR=1
+num.query.edns.present=1
+num.query.flags.AD=1
+num.query.flags.RD=1
+num.query.opcode.QUERY=1
+num.query.type.TXT=1
+total.num.queries=1
+msg.cache.count=3
+rrset.cache.count=3
+infra.cache.count=2"
+
+
+end 0
diff --git a/testdata/stat_values.tdir/stat_values.testexpiredns b/testdata/stat_values.tdir/stat_values.testexpiredns
new file mode 100644 (file)
index 0000000..a737a4a
--- /dev/null
@@ -0,0 +1,13 @@
+; nameserver test file
+$ORIGIN expired.
+$TTL 3600
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+REPLY QR AA NOERROR
+ADJUST copy_id
+SECTION QUESTION
+servfail       IN      A
+SECTION ANSWER
+servfail    1 IN A 192.0.2.1
+ENTRY_END
diff --git a/testdata/stat_values.tdir/stat_values.testns b/testdata/stat_values.tdir/stat_values.testns
new file mode 100644 (file)
index 0000000..6691b01
--- /dev/null
@@ -0,0 +1,23 @@
+; nameserver test file
+$ORIGIN example.com.
+$TTL 3600
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+REPLY QR AA NOERROR
+ADJUST copy_id
+SECTION QUESTION
+www    IN      A
+SECTION ANSWER
+www    IN      A       10.20.30.40
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+REPLY QR AA NOERROR
+ADJUST copy_id
+SECTION QUESTION
+1ttl   IN      A
+SECTION ANSWER
+1ttl   1 IN    A 1.1.1.1
+ENTRY_END
diff --git a/testdata/stat_values.tdir/unbound_control.key b/testdata/stat_values.tdir/unbound_control.key
new file mode 100644 (file)
index 0000000..753a4ef
--- /dev/null
@@ -0,0 +1,39 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----
diff --git a/testdata/stat_values.tdir/unbound_control.pem b/testdata/stat_values.tdir/unbound_control.pem
new file mode 100644 (file)
index 0000000..a1edf70
--- /dev/null
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
+MIIDszCCAhsCFGD5193whHQ2bVdzbaQfdf1gc4SkMA0GCSqGSIb3DQEBCwUAMBIx
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+-----END CERTIFICATE-----
diff --git a/testdata/stat_values.tdir/unbound_server.key b/testdata/stat_values.tdir/unbound_server.key
new file mode 100644 (file)
index 0000000..370a7bb
--- /dev/null
@@ -0,0 +1,39 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----
diff --git a/testdata/stat_values.tdir/unbound_server.pem b/testdata/stat_values.tdir/unbound_server.pem
new file mode 100644 (file)
index 0000000..9868073
--- /dev/null
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----