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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
commit3271d1ac389d2ec93db9c5b9ce0991ce478476cf (patch)
tree35ff7d180e1ccc061f28535d7435b5ba1789e734 /test/simulation/test.common
parentInitial commit. (diff)
downloadchrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.tar.xz
chrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.zip
Adding upstream version 4.3.upstream/4.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--test/simulation/test.common528
1 files changed, 528 insertions, 0 deletions
diff --git a/test/simulation/test.common b/test/simulation/test.common
new file mode 100644
index 0000000..70bbde1
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@@ -0,0 +1,528 @@
+# Copyright (C) 2013-2014 Miroslav Lichvar <mlichvar@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+export LC_ALL=C
+export PATH=../../:$PATH
+export CLKNETSIM_PATH=${CLKNETSIM_PATH:-clknetsim}
+
+if [ ! -x $CLKNETSIM_PATH/clknetsim ]; then
+ echo "SKIP (clknetsim not found)"
+ exit 9
+fi
+
+. $CLKNETSIM_PATH/clknetsim.bash
+
+# Default test testings
+
+default_limit=10000
+default_primary_time_offset=0.0
+default_time_offset=1e-1
+default_freq_offset=1e-4
+default_base_delay=1e-4
+default_jitter=1e-4
+default_jitter_asymmetry=0.0
+default_wander=1e-9
+default_refclock_jitter=""
+default_refclock_offset=0.0
+
+default_update_interval=0
+default_shift_pll=2
+
+default_server_strata=1
+default_servers=1
+default_clients=1
+default_peers=0
+default_falsetickers=0
+default_server_start=0.0
+default_client_start=0.0
+default_chronyc_start=1000.0
+default_server_step=""
+default_client_step=""
+
+default_client_server_conf=""
+default_server_server_options=""
+default_client_server_options=""
+default_server_peer_options=""
+default_server_lpeer_options=""
+default_server_rpeer_options=""
+default_client_peer_options=""
+default_client_lpeer_options=""
+default_client_rpeer_options=""
+default_server_conf=""
+default_client_conf=""
+default_chronyc_conf=""
+default_server_chronyd_options=""
+default_client_chronyd_options=""
+default_chronyc_options=""
+
+default_time_max_limit=1e-3
+default_freq_max_limit=5e-4
+default_time_rms_limit=3e-4
+default_freq_rms_limit=1e-5
+default_min_sync_time=120
+default_max_sync_time=210
+
+default_client_min_mean_out_interval=0.0
+default_client_max_min_out_interval=inf
+
+default_cmdmon_unix=1
+default_dns=0
+
+# Initialize test settings from their defaults
+for defoptname in ${!default_*}; do
+ optname=${defoptname#default_}
+ [ -z "${!optname}" ] && declare "$optname"="${!defoptname}"
+done
+
+test_start() {
+ rm -rf tmp/*
+ echo "Testing $@:"
+
+ check_config_h 'FEAT_NTP 1' || test_skip
+}
+
+test_pass() {
+ echo "PASS"
+ exit 0
+}
+
+test_fail() {
+ echo "FAIL"
+ exit 1
+}
+
+test_skip() {
+ echo "SKIP"
+ exit 9
+}
+
+test_ok() {
+ pad_line
+ echo -e "\tOK"
+ return 0
+}
+
+test_bad() {
+ pad_line
+ echo -e "\tBAD"
+ return 1
+}
+
+test_error() {
+ pad_line
+ echo -e "\tERROR"
+ return 1
+}
+
+msg_length=0
+pad_line() {
+ local line_length=56
+ [ $msg_length -lt $line_length ] && \
+ printf "%$[$line_length - $msg_length]s" ""
+ msg_length=0
+}
+
+# Print aligned message
+test_message() {
+ local level=$1 eol=$2
+ shift 2
+ local msg="$*"
+
+ while [ $level -gt 0 ]; do
+ echo -n " "
+ level=$[$level - 1]
+ msg_length=$[$msg_length + 2]
+ done
+ echo -n "$msg"
+
+ msg_length=$[$msg_length + ${#msg}]
+ if [ $eol -ne 0 ]; then
+ echo
+ msg_length=0
+ fi
+}
+
+get_wander_expr() {
+ local scaled_wander
+
+ scaled_wander=$(awk "BEGIN {print $wander / \
+ sqrt($update_interval < 0 ? 2^-($update_interval) : 1)}")
+
+ echo "(+ $freq_offset (sum (* $scaled_wander (normal))))"
+}
+
+
+get_delay_expr() {
+ local direction=$1 asym
+
+ if [ $jitter_asymmetry == "0.0" ]; then
+ asym=""
+ elif [ $direction = "up" ]; then
+ asym=$(awk "BEGIN {print 1 - 2 * $jitter_asymmetry}")
+ elif [ $direction = "down" ]; then
+ asym=$(awk "BEGIN {print 1 + 2 * $jitter_asymmetry}")
+ fi
+ echo "(+ $base_delay (* $asym $jitter (exponential)))"
+}
+
+get_refclock_expr() {
+ echo "(+ $refclock_offset (* $refclock_jitter (normal)))"
+}
+
+get_chronyd_nodes() {
+ echo $[$servers * $server_strata + $clients]
+}
+
+get_node_name() {
+ local index=$1
+
+ if [ $dns -ne 0 ]; then
+ echo "node$index.net1.clk"
+ else
+ echo "192.168.123.$index"
+ fi
+}
+
+get_chronyd_conf() {
+ local i stratum=$1 peer=$2
+
+ if [ $stratum -eq 1 ]; then
+ echo "local stratum 1"
+ echo "$server_conf"
+ elif [ $stratum -le $server_strata ]; then
+ for i in $(seq 1 $servers); do
+ echo "server $(get_node_name $[$servers * ($stratum - 2) + $i]) $server_server_options"
+ done
+ for i in $(seq 1 $peers); do
+ [ $i -eq $peer -o $i -gt $servers ] && continue
+ echo -n "peer $(get_node_name $[$servers * ($stratum - 1) + $i]) $server_peer_options "
+ [ $i -lt $peer ] && echo "$server_lpeer_options" || echo "$server_rpeer_options"
+ done
+ echo "$server_conf"
+ else
+ echo "deny"
+ if [ -n "$client_server_conf" ]; then
+ echo "$client_server_conf"
+ else
+ for i in $(seq 1 $servers); do
+ echo "server $(get_node_name $[$servers * ($stratum - 2) + $i]) $client_server_options"
+ done
+ fi
+ for i in $(seq 1 $peers); do
+ [ $i -eq $peer -o $i -gt $clients ] && continue
+ echo -n "peer $(get_node_name $[$servers * ($stratum - 1) + $i]) $client_peer_options "
+ [ $i -lt $peer ] && echo "$client_lpeer_options" || echo "$client_rpeer_options"
+ done
+ echo "$client_conf"
+ fi
+}
+
+# Check if chrony was built with specified option in config.h
+check_config_h() {
+ local pattern=$1
+ grep -q "^#define $pattern" ../../config.h
+}
+
+# Check if the clock was well synchronized
+check_sync() {
+ local i sync_time max_time_error max_freq_error ret=0
+ local rms_time_error rms_freq_error
+
+ test_message 2 1 "checking clock sync time, max/rms time/freq error:"
+
+ for i in $(seq 1 $(get_chronyd_nodes)); do
+ [ $i -gt $[$servers * $server_strata] ] || continue
+
+ sync_time=$(find_sync tmp/log.offset tmp/log.freq $i \
+ $time_max_limit $freq_max_limit 1.0)
+ max_time_error=$(get_stat 'Maximum absolute offset' $i)
+ max_freq_error=$(get_stat 'Maximum absolute frequency' $i)
+ rms_time_error=$(get_stat 'RMS offset' $i)
+ rms_freq_error=$(get_stat 'RMS frequency' $i)
+
+ test_message 3 0 "node $i: $sync_time $(printf '%.2e %.2e %.2e %.2e' \
+ $max_time_error $max_freq_error $rms_time_error $rms_freq_error)"
+
+ check_stat $sync_time $min_sync_time $max_sync_time && \
+ check_stat $max_time_error 0.0 $time_max_limit && \
+ check_stat $max_freq_error 0.0 $freq_max_limit && \
+ check_stat $rms_time_error 0.0 $time_rms_limit && \
+ check_stat $rms_freq_error 0.0 $freq_rms_limit && \
+ test_ok || test_bad
+
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check if chronyd exited properly
+check_chronyd_exit() {
+ local i ret=0
+
+ test_message 2 1 "checking chronyd exit:"
+
+ for i in $(seq 1 $(get_chronyd_nodes)); do
+ test_message 3 0 "node $i:"
+
+ grep -q 'chronyd exiting' tmp/log.$i && \
+ ! grep -q 'Adjustment.*exceeds.*exiting' tmp/log.$i && \
+ ! grep -q 'Assertion.*failed' tmp/log.$i && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check for problems in source selection
+check_source_selection() {
+ local i ret=0
+
+ test_message 2 1 "checking source selection:"
+
+ for i in $(seq $[$servers * $server_strata + 1] $(get_chronyd_nodes)); do
+ test_message 3 0 "node $i:"
+
+ ! grep -q 'no majority\|no selectable sources' tmp/log.$i && \
+ grep -q 'Selected source' tmp/log.$i && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check if incoming and outgoing packet intervals are sane
+check_packet_interval() {
+ local i ret=0 mean_in_interval mean_out_interval min_in_interval min_out_interval
+
+ test_message 2 1 "checking mean/min incoming/outgoing packet interval:"
+
+ for i in $(seq 1 $(get_chronyd_nodes)); do
+ mean_in_interval=$(get_stat 'Mean incoming packet interval' $i)
+ mean_out_interval=$(get_stat 'Mean outgoing packet interval' $i)
+ min_in_interval=$(get_stat 'Minimum incoming packet interval' $i)
+ min_out_interval=$(get_stat 'Minimum outgoing packet interval' $i)
+
+ test_message 3 0 "node $i: $(printf '%.2e %.2e %.2e %.2e' \
+ $mean_in_interval $mean_out_interval $min_in_interval $min_out_interval)"
+
+ # Check that the mean intervals are non-zero and shorter than
+ # limit, incoming is not longer than outgoing for stratum 1
+ # servers, outgoing is not longer than incoming for clients,
+ # and the minimum outgoing interval is not shorter than the NTP
+ # sampling separation or iburst interval for clients
+ nodes=$[$servers * $server_strata + $clients]
+ check_stat $mean_in_interval 0.1 inf && \
+ check_stat $mean_out_interval 0.1 inf && \
+ ([ $i -gt $servers ] || \
+ check_stat $mean_in_interval 0.0 $mean_out_interval 10*$jitter) && \
+ ([ $i -le $[$servers * $server_strata] ] || \
+ check_stat $mean_out_interval $client_min_mean_out_interval \
+ $mean_in_interval 10*$jitter) && \
+ ([ $i -le $[$servers * $server_strata] ] || \
+ check_stat $min_out_interval \
+ $([ $servers -gt 1 ] && echo 0.18 || echo 1.8) \
+ $client_max_min_out_interval) && \
+ test_ok || test_bad
+
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Compare chronyc output with specified pattern
+check_chronyc_output() {
+ local i ret=0 pattern=$1
+
+ test_message 2 1 "checking chronyc output:"
+
+ for i in $(seq $[$(get_chronyd_nodes) + 1] $[$(get_chronyd_nodes) + $clients]); do
+ test_message 3 0 "node $i:"
+
+ [[ "$(cat tmp/log.$i)" =~ $pattern ]] && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check the number of messages matching a pattern in the client logs
+check_log_messages() {
+ local i count ret=0 pattern=$1 min=$2 max=$3
+
+ test_message 2 1 "checking number of messages \"$pattern\":"
+
+ for i in $(seq $[$servers * $server_strata + 1] $(get_chronyd_nodes)); do
+ count=$(grep "$pattern" tmp/log.$i | wc -l)
+ test_message 3 0 "node $i: $count"
+
+ [ "$min" -le "$count" ] && [ "$count" -le "$max" ] && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check the number of messages matching a pattern in a specified file
+check_file_messages() {
+ local i count ret=0 pattern=$1 min=$2 max=$3
+ shift 3
+
+ test_message 2 1 "checking number of messages \"$pattern\":"
+
+ for i; do
+ count=$(grep "$pattern" tmp/$i | wc -l)
+ test_message 3 0 "$i: $count"
+
+ [ "$min" -le "$count" ] && [ "$count" -le "$max" ] && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Check if only NTP port (123) was used
+check_packet_port() {
+ local i ret=0 port=123
+
+ test_message 2 1 "checking port numbers in packet log:"
+
+ for i in $(seq 1 $(get_chronyd_nodes)); do
+ test_message 3 0 "node $i:"
+
+ grep -E -q "^([0-9e.+-]+ ){5}$port " tmp/log.packets && \
+ ! grep -E "^[0-9e.+-]+ $i " tmp/log.packets | \
+ grep -E -q -v "^([0-9e.+-]+ ){5}$port " && \
+ test_ok || test_bad
+ [ $? -eq 0 ] || ret=1
+ done
+
+ return $ret
+}
+
+# Print test settings which differ from default value
+print_nondefaults() {
+ local defoptname optname
+
+ test_message 2 1 "non-default settings:"
+ for defoptname in ${!default_*}; do
+ optname=${defoptname#default_}
+ [ "${!defoptname}" = "${!optname}" ] || \
+ test_message 3 1 $optname=${!optname}
+ done
+}
+
+run_simulation() {
+ local nodes=$1
+
+ test_message 2 0 "running simulation:"
+
+ start_server $nodes \
+ -n 2 \
+ -o tmp/log.offset -f tmp/log.freq -p tmp/log.packets \
+ -R $(awk "BEGIN {print $update_interval < 0 ? 2^-($update_interval) : 1}") \
+ -r $(awk "BEGIN {print $max_sync_time * 2^$update_interval}") \
+ -l $(awk "BEGIN {print $limit * 2^$update_interval}") && test_ok || test_error
+}
+
+run_test() {
+ local i j n stratum node nodes step start freq offset conf options
+
+ test_message 1 1 "network with $servers*$server_strata servers and $clients clients:"
+ print_nondefaults
+
+ nodes=$(get_chronyd_nodes)
+ [ -n "$chronyc_conf" ] && nodes=$[$nodes + $clients]
+
+ export CLKNETSIM_UNIX_SUBNET=$[$cmdmon_unix != 0 ? 2 : 0]
+
+ for i in $(seq 1 $nodes); do
+ echo "node${i}_shift_pll = $shift_pll"
+ for j in $(seq 1 $nodes); do
+ echo "node${i}_delay${j} = $(get_delay_expr up)"
+ echo "node${j}_delay${i} = $(get_delay_expr down)"
+ done
+ done > tmp/conf
+
+ node=1
+
+ for stratum in $(seq 1 $[$server_strata + 1]); do
+ [ $stratum -le $server_strata ] && n=$servers || n=$clients
+
+ for i in $(seq 1 $n); do
+ test_message 2 0 "starting node $node:"
+ if [ $stratum -eq 1 ]; then
+ step=$server_step
+ start=$server_start
+ freq=""
+ [ $i -le $falsetickers ] &&
+ offset=$i.0 || offset=$primary_time_offset
+ options=$server_chronyd_options
+ elif [ $stratum -le $server_strata ]; then
+ step=$server_step
+ start=$server_start
+ freq=$(get_wander_expr)
+ offset=0.0
+ options=$server_chronyd_options
+ else
+ step=$client_step
+ start=$client_start
+ freq=$(get_wander_expr)
+ offset=$time_offset
+ options=$client_chronyd_options
+ fi
+
+ conf=$(get_chronyd_conf $stratum $i $n)
+
+ [ -z "$freq" ] || echo "node${node}_freq = $freq" >> tmp/conf
+ [ -z "$step" ] || echo "node${node}_step = $step" >> tmp/conf
+ [ -z "$refclock_jitter" ] || \
+ echo "node${node}_refclock = $(get_refclock_expr)" >> tmp/conf
+ echo "node${node}_offset = $offset" >> tmp/conf
+ echo "node${node}_start = $start" >> tmp/conf
+ start_client $node chronyd "$conf" "" "$options" && \
+ test_ok || test_error
+
+ [ $? -ne 0 ] && return 1
+ node=$[$node + 1]
+ done
+ done
+
+ for i in $(seq 1 $[$nodes - $node + 1]); do
+ test_message 2 0 "starting node $node:"
+
+ options=$([ $dns -eq 0 ] && printf "%s" "-n")
+ if [ $cmdmon_unix -ne 0 ]; then
+ options+=" -h /clknetsim/unix/$[$node - $clients]:1"
+ else
+ options+=" -h $(get_node_name $[$node - $clients])"
+ fi
+
+ echo "node${node}_start = $chronyc_start" >> tmp/conf
+ start_client $node chronyc "$chronyc_conf" "" "$options $chronyc_options" && \
+ test_ok || test_error
+
+ [ $? -ne 0 ] && return 1
+ node=$[$node + 1]
+ done
+
+ run_simulation $nodes
+}