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#!/bin/bash
test_info()
{
cat <<EOF
Run the ctdb_fetch test and sanity check the output.
This doesn't test for performance regressions or similarly anything
useful. Only vague sanity checking of results is done.
Prerequisites:
* An active CTDB cluster with at least 2 active nodes.
Steps:
1. Verify that the status on all of the ctdb nodes is 'OK'.
2. Run ctdb_fetch on all nodes with default options.
3. Ensure that the number of +ve and -ive messages are within 1% of
each other.
4. Ensure that the number of messages per second is greater than 10.
Expected results:
* ctdb_fetch runs without error and prints reasonable results.
EOF
}
. ctdb_test_functions.bash
ctdb_test_init "$@"
set -e
onnode 0 $CTDB_TEST_WRAPPER cluster_is_healthy
try_command_on_node 0 "$CTDB listnodes"
num_nodes=$(echo "$out" | wc -l)
echo "Running ctdb_fetch on all $num_nodes nodes."
try_command_on_node -v -pq all $VALGRIND ctdb_fetch -n $num_nodes
# Get the last line of output.
while read line ; do
prev=$line
done <<<"$out"
pat='^(Ring: [[:digit:]]+(\.[[:digit:]]+)? msgs/sec \(\+ve=[[:digit:]]+ -ve=[[:digit:]]+\)[[:space:]]?|Waiting for cluster[[:space:]]?)+$'
sanity_check_output 1 "$pat" "$out"
# $prev should look like this:
# Ring: 10670.93 msgs/sec (+ve=53391 -ve=53373)
stuff="${prev##*Ring: }"
mps="${stuff% msgs/sec*}"
if [ ${mps%.*} -ge 10 ] ; then
echo "OK: $mps msgs/sec >= 10 msgs/sec"
else
echo "BAD: $mps msgs/sec < 10 msgs/sec"
exit 1
fi
stuff="${stuff#*msgs/sec (+ve=}"
positive="${stuff%% *}"
if [ $positive -gt 0 ] ; then
echo "OK: +ive ($positive) > 0"
else
echo "BAD: +ive ($positive) = 0"
exit 1
fi
stuff="${stuff#*-ve=}"
negative="${stuff%)}"
if [ $negative -gt 0 ] ; then
echo "OK: -ive ($negative) > 0"
else
echo "BAD: -ive ($negative) = 0"
exit 1
fi
perc_diff=$(( ($positive - $negative) * 100 / $positive ))
perc_diff=${perc_diff#-}
if [ $perc_diff -le 1 ] ; then
echo "OK: percentage difference between +ive and -ive ($perc_diff%) <= 1%"
else
echo "BAD: percentage difference between +ive and -ive ($perc_diff%) > 1%"
exit 1
fi
ctdb_test_exit
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