def test_sync_nsx_failure_backoff(self):
self.mock_api.return_value.request.side_effect = api_exc.RequestTimeout
# chunk size won't matter here
sp = sync.SyncParameters(999)
for i in range(10):
self.assertEqual(min(64, 2**i),
self._plugin._synchronizer._synchronize_state(sp))
def _test_sync(self,
exp_net_status,
exp_port_status,
exp_router_status,
action_callback=None,
sp=None):
ls_uuid = self.fc._fake_lswitch_dict.keys()[0]
neutron_net_id = self._get_tag_dict(
self.fc._fake_lswitch_dict[ls_uuid]['tags'])['quantum_net_id']
lp_uuid = self.fc._fake_lswitch_lport_dict.keys()[0]
neutron_port_id = self._get_tag_dict(
self.fc._fake_lswitch_lport_dict[lp_uuid]['tags'])['q_port_id']
lr_uuid = self.fc._fake_lrouter_dict.keys()[0]
neutron_rtr_id = self._get_tag_dict(
self.fc._fake_lrouter_dict[lr_uuid]['tags'])['q_router_id']
if action_callback:
action_callback(ls_uuid, lp_uuid, lr_uuid)
# Make chunk big enough to read everything
if not sp:
sp = sync.SyncParameters(100)
self._plugin._synchronizer._synchronize_state(sp)
# Verify element is in expected status
# TODO(salv-orlando): Verify status for all elements
ctx = context.get_admin_context()
neutron_net = self._plugin.get_network(ctx, neutron_net_id)
neutron_port = self._plugin.get_port(ctx, neutron_port_id)
neutron_rtr = self._plugin.get_router(ctx, neutron_rtr_id)
self.assertEqual(exp_net_status, neutron_net['status'])
self.assertEqual(exp_port_status, neutron_port['status'])
self.assertEqual(exp_router_status, neutron_rtr['status'])
def test_resync_with_resources_removed(self):
ctx = context.get_admin_context()
with self._populate_data(ctx):
sp = sync.SyncParameters(100)
self._plugin._synchronizer._synchronize_state(sp)
# Ensure the synchronizer performs a resync
sp.init_sync_performed = True
self._test_sync(
constants.NET_STATUS_ERROR, constants.PORT_STATUS_ERROR,
constants.NET_STATUS_ERROR, self._action_callback_del_resource,
sp=sp)
def test_sync_multi_chunk(self):
# The fake NSX API client cannot be used for this test
ctx = context.get_admin_context()
# Generate 4 networks, 1 port per network, and 4 routers
with self._populate_data(ctx, net_size=4, port_size=1, router_size=4):
fake_lswitches = json.loads(
self.fc.handle_get('/ws.v1/lswitch'))['results']
fake_lrouters = json.loads(
self.fc.handle_get('/ws.v1/lrouter'))['results']
fake_lswitchports = json.loads(
self.fc.handle_get('/ws.v1/lswitch/*/lport'))['results']
return_values = [
# Chunk 0 - lswitches
(fake_lswitches, None, 4),
# Chunk 0 - lrouters
(fake_lrouters[:2], 'xxx', 4),
# Chunk 0 - lports (size only)
([], 'start', 4),
# Chunk 1 - lrouters (2 more) (lswitches are skipped)
(fake_lrouters[2:], None, None),
# Chunk 1 - lports
(fake_lswitchports, None, 4)
]
def fake_fetch_data(*args, **kwargs):
return return_values.pop(0)
# 2 Chunks, with 6 resources each.
# 1st chunk lswitches and lrouters
# 2nd chunk lrouters and lports
# Mock _fetch_data
with mock.patch.object(self._plugin._synchronizer,
'_fetch_data',
side_effect=fake_fetch_data):
sp = sync.SyncParameters(6)
def do_chunk(chunk_idx, ls_cursor, lr_cursor, lp_cursor):
self._plugin._synchronizer._synchronize_state(sp)
self.assertEqual(chunk_idx, sp.current_chunk)
self.assertEqual(ls_cursor, sp.ls_cursor)
self.assertEqual(lr_cursor, sp.lr_cursor)
self.assertEqual(lp_cursor, sp.lp_cursor)
# check 1st chunk
do_chunk(1, None, 'xxx', 'start')
# check 2nd chunk
do_chunk(0, None, None, None)
# Chunk size should have stayed the same
self.assertEqual(sp.chunk_size, 6)
def _test_sync_with_chunk_larger_maxpagesize(
self, net_size, port_size, router_size, chunk_size, exp_calls):
ctx = context.get_admin_context()
real_func = nsxlib.get_single_query_page
sp = sync.SyncParameters(chunk_size)
with self._populate_data(ctx, net_size=net_size,
port_size=port_size,
router_size=router_size):
with mock.patch.object(sync, 'MAX_PAGE_SIZE', 15):
# The following mock is just for counting calls,
# but we will still run the actual function
with mock.patch.object(
nsxlib, 'get_single_query_page',
side_effect=real_func) as mock_get_page:
self._test_sync(
constants.NET_STATUS_ACTIVE,
constants.PORT_STATUS_ACTIVE,
constants.NET_STATUS_ACTIVE,
sp=sp)
# As each resource type does not exceed the maximum page size,
# the method should be called once for each resource type
self.assertEqual(exp_calls, mock_get_page.call_count)
