def test_compatible_updates(self):
proxy = self.node.get_proxy('/')
tx1 = proxy.open_transaction()
tx2 = proxy.open_transaction()
tx3 = proxy.open_transaction()
tx4 = proxy.open_transaction()
tx5 = proxy.open_transaction()
tx1.update('/health', HealthStatus(state=HealthStatus.OVERLOADED))
self.make_change(tx2, '/adapters/1', 'version', '42')
self.make_change(tx3, '/adapters/2', 'config.log_level', 2)
self.make_change(tx4, '/adapters/1', 'version', '42')
self.make_change(tx5, '/adapters/1', 'version', '422')
tx1.commit()
tx2.commit()
tx3.commit()
tx4.commit()
self.assertRaises(MergeConflictException, tx5.commit)
# verify outcome
self.assertEqual(self.node.get('/health').state, 1)
self.assertEqual(self.node.get('/', deep=1).adapters[1].version, '42')
self.assertEqual(self.log_levels(), {
'0': 3,
'1': 3,
'2': 2,
'3': 3,
'4': 3
})
def test_passive_ownership(self):
# grab a proxy for a given node
proxy = self.node.get_proxy('/health')
# able to read the value directly using this proxy
self.assertEqual(proxy.get(), HealthStatus(state=HealthStatus.DYING))
# able to update value directly using this proxy, but the whole tree
# updates
proxy.update('/', HealthStatus(state=HealthStatus.HEALTHY))
self.assertEqual(proxy.get().state, HealthStatus.HEALTHY)
self.assertNotEqual(self.node.latest.hash, self.hash_orig)
# access constraints are still enforced
self.assertRaises(
ValueError, proxy.update,
'/', HealthStatus(state=HealthStatus.OVERLOADED), strict=1)
def setUp(self):
gc.collect()
_rev_cache.clear()
self.health = HealthStatus(state=HealthStatus.DYING)
self.base_shallow = VolthaInstance(instance_id='1')
self.base_deep = copy(self.base_shallow)
self.base_deep.health.state = HealthStatus.DYING # = self.health
for i in xrange(5):
self.base_deep.adapters.add().MergeFrom(
Adapter(id=str(i), config=AdapterConfig(log_level=3)))
self.node = ConfigRoot(self.base_deep)
self.hash_orig = self.node.latest.hash
def test_deep_update_non_container(self):
self.node.update('/health', HealthStatus(state=HealthStatus.HEALTHY))
# root hash is now different
hash_new = self.node.latest.hash
self.assertNotEqual(self.hash_orig, hash_new)
# original tree is still intact
orig = self.node.get(hash=self.hash_orig, deep=1)
self.assertEqual(orig, self.base_deep)
self.assertEqual(orig.health.state, HealthStatus.DYING)
# but the latest contains the change
new = self.node.get(deep=1)
self.assertNotEqual(new, orig)
self.assertEqual(new.health.state, HealthStatus.HEALTHY)
def pump_some_data(self, node):
seed(0)
node.update('/',
VolthaInstance(instance_id='1', version='42', log_level=1))
node.update('/health', HealthStatus(state=HealthStatus.OVERLOADED))
for i in xrange(n_adapters):
node.add(
'/adapters',
Adapter(id=str(i),
vendor='cord',
version=str(randint(1, 10)),
config=AdapterConfig(log_level=0)))
for i in xrange(n_logical_nodes):
node.add(
'/logical_devices',
LogicalDevice(id=str(i),
datapath_id=randint(1, 100000),
desc=ofp_desc(mfr_desc='foo',
hw_desc='bar',
sw_desc='zoo')))