1 files changed, 46 insertions, 0 deletions
diff --git a/ctdb/tests/CLUSTER/complex/61_rogueip_takeip.sh b/ctdb/tests/CLUSTER/complex/61_rogueip_takeip.sh
new file mode 100755
index 0000000..5ee4e54
--- /dev/null
+++ b/ctdb/tests/CLUSTER/complex/61_rogueip_takeip.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Verify that TAKE_IP will work for an IP that is already on an interface
+
+# This is a variation of simple/60_recoverd_missing_ip.sh
+
+. "${TEST_SCRIPTS_DIR}/cluster.bash"
+
+set -e
+
+ctdb_test_init
+
+select_test_node_and_ips
+
+echo "Running test against node $test_node and IP $test_ip"
+
+# This test puts an address on an interface and then needs to quickly
+# configure that address and cause an IP takeover.  However, an IPv6
+# address will be tentative for a while so "quickly" is not possible".
+# When ctdb_control_takeover_ip() calls ctdb_sys_have_ip() it will
+# decide that the address is not present.  It then attempts a takeip,
+# which can fail if the address is suddenly present because it is no
+# longer tentative.
+case "$test_ip" in
+*:*) ctdb_test_skip "This test is not supported for IPv6 addresses" ;;
+esac
+
+get_test_ip_mask_and_iface
+
+echo "Deleting IP $test_ip from all nodes"
+delete_ip_from_all_nodes $test_ip
+try_command_on_node -v $test_node $CTDB ipreallocate
+wait_until_ips_are_on_node ! $test_node $test_ip
+
+try_command_on_node -v all $CTDB ip
+
+# The window here needs to small, to try to avoid the address being
+# released.  The test will still pass either way but if the first IP
+# takeover run does a release then this doesn't test the code path we
+# expect it to...
+echo "Adding IP $test_ip to $iface and CTDB on node $test_node"
+ip_cmd="ip addr add $test_ip/$mask dev $iface"
+ctdb_cmd="$CTDB addip $test_ip/$mask $iface && $CTDB ipreallocate"
+try_command_on_node $test_node "$ip_cmd && $ctdb_cmd"
+
+wait_until_ips_are_on_node $test_node $test_ip