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#!/usr/bin/env bash
# Verify that 'ctdb setvar NoIPTakeover 1' stops IP addresses being taken over
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init
try_command_on_node 0 "$CTDB listnodes | wc -l"
num_nodes="$out"
echo "There are $num_nodes nodes..."
if [ $num_nodes -lt 2 ] ; then
echo "Less than 2 nodes!"
exit 1
fi
echo "Wait until the ips are reallocated"
sleep_for 30
try_command_on_node 0 "$CTDB ipreallocate"
# sets: num
count_ips_on_node ()
{
local node="$1"
ctdb_onnode "$node" ip
# outfile is set by ctdb_onnode() above
# shellcheck disable=SC2154,SC2126
# * || true is needed to avoid command failure when there are no matches
# * Using "wc -l | tr -d '[:space:]'" is our standard
# pattern... and "grep -c" requires handling of special case
# for no match
num=$(grep -v 'Public' "$outfile" | \
grep " ${node}\$" | \
wc -l | \
tr -d '[:space:]')
echo "Number of addresses on node ${node}: ${num}"
}
count_ips_on_node 1
echo "Turning on NoIPTakeover on all nodes"
try_command_on_node all "$CTDB setvar NoIPTakeover 1"
try_command_on_node 1 "$CTDB ipreallocate"
echo Disable node 1
try_command_on_node 1 "$CTDB disable"
try_command_on_node 1 "$CTDB ipreallocate"
count_ips_on_node 1
if [ "$num" != "0" ] ; then
test_fail "BAD: node 1 still hosts IP addresses"
fi
echo "Enable node 1 again"
try_command_on_node 1 "$CTDB enable"
sleep_for 30
try_command_on_node 1 "$CTDB ipreallocate"
try_command_on_node 1 "$CTDB ipreallocate"
count_ips_on_node 1
if [ "$num" != "0" ] ; then
test_fail "BAD: node 1 took over IP addresses"
fi
echo "OK. ip addresses were not taken over"
exit 0
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