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#!/usr/bin/env bash
# Verify that 'ctdb moveip' allows movement of public IPs between nodes
# This test does not do any network level checks to make sure IP
# addresses are actually on interfaces. It just consults "ctdb ip".
# To work, this test ensures that IPAllocAlgorithm is not set to 0
# (Deterministic IPs) and sets NoIPFailback.
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init
select_test_node_and_ips
sanity_check_ips ()
{
echo "Sanity checking IPs..."
local x ipp prev
prev=""
while read x ipp ; do
[ "$ipp" = "-1" ] && break
if [ -n "$prev" -a "$ipp" != "$prev" ] ; then
echo "OK"
return 0
fi
prev="$ipp"
done <"$outfile"
echo "BAD: a node was -1 or IPs are only assigned to one node:"
cat "$outfile"
echo "Are you running an old version of CTDB?"
return 1
}
sanity_check_ips
# Find a target node - it must be willing to host $test_ip
# $test_node set above by select_test_node_and_ips()
# shellcheck disable=SC2154
try_command_on_node "$test_node" "$CTDB listnodes | wc -l"
num_nodes="$out"
to_node=""
for i in $(seq 0 $(($num_nodes - 1)) ) ; do
[ $i -ne $test_node ] || continue
all_ips_on_node $i
while read ip x ; do
if [ "$ip" = "$test_ip" ] ; then
to_node="$i"
break 2
fi
done <"$outfile"
done
if [ -z "$to_node" ] ; then
echo "Unable to find target node"
exit 1
fi
echo "Target node is ${to_node}"
echo "Setting IPAllocAlgorithm=2 to avoid Deterministic IPs..."
try_command_on_node -q all $CTDB setvar IPAllocAlgorithm 2
echo "Turning on NoIPFailback..."
try_command_on_node -q all $CTDB setvar NoIPFailback 1
echo "Attempting to move ${test_ip} from node ${test_node} to node ${to_node}"
try_command_on_node $test_node $CTDB moveip $test_ip $to_node
wait_until_ips_are_on_node '!' $test_node $test_ip
wait_until_ips_are_on_node $to_node $test_ip
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