def test_dhcp_binding_with_disable_enable_dhcp(self):
# Test if DHCP binding is preserved after DHCP is disabled and
# re-enabled on a subnet.
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet,
device_owner=device_owner,
device_id=device_id) as port:
ip = port['port']['fixed_ips'][0]['ip_address']
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
dhcp_service = dhcp_bindings[0]['nsx_service_id']
self.assertEqual(1, len(dhcp_bindings))
self.assertEqual(ip, dhcp_bindings[0]['ip_address'])
# Disable DHCP on subnet.
data = {'subnet': {'enable_dhcp': False}}
self.plugin.update_subnet(context.get_admin_context(),
subnet['subnet']['id'], data)
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
self.assertEqual([], dhcp_bindings)
# Re-enable DHCP on subnet.
data = {'subnet': {'enable_dhcp': True}}
self.plugin.update_subnet(context.get_admin_context(),
subnet['subnet']['id'], data)
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
self.assertEqual(1, len(dhcp_bindings))
self.assertEqual(ip, dhcp_bindings[0]['ip_address'])
# The DHCP service ID should be different because a new
# logical DHCP server is created for re-enabling DHCP.
self.assertNotEqual(dhcp_service,
dhcp_bindings[0]['nsx_service_id'])
def _verify_dhcp_binding(self, subnet, port_data, update_data,
assert_data):
# Verify if DHCP binding is updated.
with mock.patch(
'vmware_nsx.nsxlib.v3.resources.LogicalDhcpServer.update_binding'
) as update_dhcp_binding:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet,
device_owner=device_owner,
device_id=device_id,
**port_data) as port:
# Retrieve the DHCP binding info created in the DB for the
# new port.
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])[0]
# Update the port with provided data.
self.plugin.update_port(context.get_admin_context(),
port['port']['id'], update_data)
binding_data = {
'mac_address': port['port']['mac_address'],
'ip_address': port['port']['fixed_ips'][0]['ip_address']
}
# Extend basic binding data with to-be-asserted data.
binding_data.update(assert_data)
# Verify the update call.
update_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'], **binding_data)
def test_dhcp_binding_with_update_port_delete_ip(self):
# Test if DHCP binding is deleted when the IP of the associated
# compute port is deleted.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'delete_binding') as delete_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet,
device_owner=device_owner,
device_id=device_id) as port:
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session,
port['port']['id'])[0]
data = {
'port': {
'fixed_ips': [],
'admin_state_up': False,
secgrp.SECURITYGROUPS: []
}
}
self.plugin.update_port(context.get_admin_context(),
port['port']['id'], data)
delete_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'])
def test_dhcp_binding_with_delete_port(self):
# Test if DHCP binding is removed when the associated compute port
# is deleted.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'delete_binding') as delete_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet,
device_owner=device_owner,
device_id=device_id) as port:
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session,
port['port']['id'])[0]
self.plugin.delete_port(context.get_admin_context(),
port['port']['id'])
delete_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'])