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#!/bin/bash
test_info()
{
cat <<EOF
Verify that 'ctdb statisticsreset' works as expected.
This is pretty superficial. It just checks that a few particular
items reduce.
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 statisticsreset' on all nodes and verify that it executes
successfully.
Expected results:
* 'ctdb statisticsreset' executes successfully.
EOF
}
. "${TEST_SCRIPTS_DIR}/integration.bash"
ctdb_test_init
set -e
cluster_is_healthy
try_command_on_node 0 "$CTDB listnodes | wc -l"
num_nodes="$out"
get_stat ()
{
local label="$1"
cat "$outfile" |
sed -rn -e "s@^[[:space:]]+${label}[[:space:]]+([[:digit:]])@\1@p" |
head -1
}
check_reduced ()
{
local label="$1"
local before="$2"
local after="$3"
if [ $after -lt $before ] ; then
echo "GOOD: ${label} reduced from ${before} to ${after}"
else
die "BAD: ${label} did not reduce from ${before} to ${after}"
fi
}
n=0
while [ $n -lt $num_nodes ] ; do
echo "Getting initial statistics for node ${n}..."
try_command_on_node -v $n $CTDB statistics
before_req_control=$(get_stat "req_control")
before_reply_control=$(get_stat "reply_control")
before_node_packets_recv=$(get_stat "node_packets_recv")
try_command_on_node $n $CTDB statisticsreset
try_command_on_node -v $n $CTDB statistics
after_req_control=$(get_stat "req_control")
after_reply_control=$(get_stat "reply_control")
after_node_packets_recv=$(get_stat "node_packets_recv")
check_reduced "req_control" "$before_req_control" "$after_req_control"
check_reduced "reply_control" "$before_reply_control" "$after_reply_control"
check_reduced "node_packets_recv" "$before_node_packets_recv" "$after_node_packets_recv"
n=$(($n + 1))
done
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