ctdb-tests: Validate that unexpected IP on interface is properly released

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

ctdb/tests/complex/60_rogueip_releaseip.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+test_info()
+{
+    cat <<EOF
+Verify that the recovery daemon correctly handles a rogue IP
+
+It should be released...
+EOF
+}
+
+. "${TEST_SCRIPTS_DIR}/integration.bash"
+
+ctdb_test_init "$@"
+
+set -e
+
+cluster_is_healthy
+
+# Reset configuration
+ctdb_restart_when_done
+
+select_test_node_and_ips
+
+echo "Using $test_ip, which is onnode $test_node"
+
+get_test_ip_mask_and_iface
+
+echo "Finding another node that knows about $test_ip"
+ctdb_get_all_pnns
+other_node=""
+for i in $all_pnns ; do
+	if [ "$i" = "$test_node" ] ; then
+		continue
+	fi
+	try_command_on_node $i "$CTDB ip"
+	n=$(awk -v ip="$test_ip" '$1 == ip { print }' <<<"$out")
+	if [ -n "$n" ] ; then
+		other_node="$i"
+		break
+	fi
+done
+if [ -z "$other_node" ] ; then
+	die "Unable to find another node that knows about $test_ip"
+fi
+
+echo "Adding $test_ip on node $other_node"
+try_command_on_node $other_node "ip addr add ${test_ip}/${mask} dev ${iface}"
+
+rogue_ip_is_gone ()
+{
+	local pnn="$1"
+	local test_ip="$2"
+	try_command_on_node $pnn $CTDB_TEST_WRAPPER ip_maskbits_iface $test_ip
+	[ -z "$out" ]
+}
+
+echo "Waiting until rogue IP is no longer assigned..."
+wait_until 30 rogue_ip_is_gone $other_node $test_ip