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#!/bin/bash
# Verify that a newly started CTDB node gets updated tickle details
# Prerequisites:
# * An active CTDB cluster with at least 2 nodes with public addresses.
# * Test must be run on a real or virtual cluster rather than against
# local daemons.
# * Cluster nodes must be listening on the NFS TCP port (2049).
# Steps:
# As with 31_nfs_tickle.sh but restart a node after the tickle is
# registered.
# Expected results:
# * CTDB should correctly communicated tickles to new CTDB instances as
# they join the cluster.
. "${TEST_SCRIPTS_DIR}/cluster.bash"
set -e
ctdb_test_init
select_test_node_and_ips
try_command_on_node $test_node "$CTDB listnodes -X"
listnodes_output="$out"
numnodes=$(wc -l <<<"$listnodes_output")
test_port=2049
echo "Connecting to node ${test_node} on IP ${test_ip}:${test_port} with netcat..."
sleep 600 | nc $test_ip $test_port &
nc_pid=$!
ctdb_test_exit_hook_add "kill $nc_pid >/dev/null 2>&1"
wait_until_get_src_socket "tcp" "${test_ip}:${test_port}" $nc_pid "nc"
src_socket="$out"
echo "Source socket is $src_socket"
wait_for_monitor_event $test_node
echo "Wait until NFS connection is tracked by CTDB on test node ..."
wait_until 10 check_tickles $test_node $test_ip $test_port $src_socket
echo "Select a node to restart ctdbd"
rn=$(awk -F'|' -v test_node=$test_node \
'$2 != test_node { print $2 ; exit }' <<<"$listnodes_output")
echo "Restarting CTDB on node ${rn}"
ctdb_nodes_restart "$rn"
# In some theoretical world this is racy. In practice, the node will
# take quite a while to become healthy, so this will beat any
# assignment of IPs to the node.
echo "Setting NoIPTakeover on node ${rn}"
try_command_on_node $rn $CTDB setvar NoIPTakeover 1
wait_until_ready
echo "Getting TickleUpdateInterval..."
try_command_on_node $test_node $CTDB getvar TickleUpdateInterval
update_interval="$out"
echo "Wait until NFS connection is tracked by CTDB on all nodes..."
if ! wait_until $(($update_interval * 2)) \
check_tickles_all $numnodes $test_ip $test_port $src_socket ; then
echo "BAD: connection not tracked on all nodes:"
echo "$out"
exit 1
fi
# We could go on to test whether the tickle ACK gets sent. However,
# this is tested in previous tests and the use of NoIPTakeover
# complicates things on a 2 node cluster.
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