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#!/bin/bash
test_info()
{
cat <<EOF
Verify that it is possible to SSH to a public address after disabling a node.
We SSH to a public IP and check the hostname, disable the node hosting
it and then SSH again to confirm that the hostname has changed.
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.
* Test must not be run from a cluster node.
Steps:
1. Verify that the cluster is healthy.
2. Select a public address and its corresponding node.
3. SSH to the selected public address and run hostname.
4. Disable the selected node.
5. SSH to the selected public address again and run hostname.
Expected results:
* When a node is disabled the public address fails over and it is
still possible to SSH to the node. The hostname should change.
EOF
}
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init "$@"
ctdb_test_check_real_cluster
cluster_is_healthy
# Reset configuration
ctdb_restart_when_done
select_test_node_and_ips
echo "Removing ${test_ip} from the local neighbor table..."
ip neigh flush "$test_prefix" >/dev/null 2>&1 || true
echo "SSHing to ${test_ip} and running hostname..."
if ! original_hostname=$(ssh -o "StrictHostKeyChecking no" $test_ip hostname) ; then
die "Failed to get original hostname via SSH..."
fi
echo "Hostname is: ${original_hostname}"
gratarp_sniff_start
echo "Disabling node $test_node"
try_command_on_node 1 $CTDB disable -n $test_node
wait_until_node_has_status $test_node disabled
gratarp_sniff_wait_show
echo "SSHing to ${test_ip} and running hostname (again)..."
if ! new_hostname=$(ssh -o "StrictHostKeyChecking no" $test_ip hostname) ; then
echo "Failed to get new hostname via SSH..."
echo "DEBUG:"
ip neigh show
exit 1
fi
echo "Hostname is: ${new_hostname}"
if [ "$original_hostname" != "$new_hostname" ] ; then
echo "GOOD: hostname changed"
else
echo "BAD: hostname did not change"
testfailures=1
fi
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