def test_gateway_chassis_for_chassis_not_in_gw_chassis_list(self):
# Return True since chassis_name not in gw_chassis
self.gw_chassis = ['host-2']
self.assertTrue(
utils.is_gateway_chassis_invalid(self.chassis_name,
self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_chassis_not_in_chassis_physnets(self):
# Return True since chassis is not in chassis_physnets
self.chassis_name = 'host-2'
self.assertTrue(
utils.is_gateway_chassis_invalid(self.chassis_name,
self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_physnet_not_in_chassis_physnets(self):
# Return True since physnet is not in chassis_physnets
self.physnet = 'physical-nw-2'
self.assertTrue(
utils.is_gateway_chassis_invalid(self.chassis_name,
self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_undefined_physnet(self):
# Return True since physnet is not defined
self.chassis_name = 'host-1'
self.physnet = None
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets, self.az_hints, self.chassis_azs))
def test_gateway_chassis_due_to_invalid_chassis_name(self):
# Return True since chassis is invalid
self.chassis_name = constants.OVN_GATEWAY_INVALID_CHASSIS
self.assertTrue(
utils.is_gateway_chassis_invalid(self.chassis_name,
self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_gw_chassis_empty(self):
# Return False if gw_chassis is []
# This condition states that the chassis is valid, has valid
# physnets and there are no gw_chassis present in the system.
self.gw_chassis = []
self.assertFalse(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets, self.az_hints, self.chassis_azs))
def get_unhosted_gateways(self, port_physnet_dict, chassis_with_physnets,
all_gw_chassis, chassis_with_azs):
unhosted_gateways = set()
for port, physnet in port_physnet_dict.items():
lrp_name = '%s%s' % (ovn_const.LRP_PREFIX, port)
original_state = self.get_gateway_chassis_binding(lrp_name)
az_hints = self.get_gateway_chassis_az_hints(lrp_name)
# Filter out chassis that lost physnet, the cms option,
# or has been deleted.
actual_gw_chassis = [
chassis for chassis in original_state
if not utils.is_gateway_chassis_invalid(
chassis, all_gw_chassis, physnet, chassis_with_physnets,
az_hints, chassis_with_azs)
]
# Check if gw ports are fully scheduled.
if len(actual_gw_chassis) >= ovn_const.MAX_GW_CHASSIS:
continue
# If there are no gateways with 'enable-chassis-as-gw' cms option
# then try to schedule on all gateways with physnets connected,
# and filter required physnet.
available_chassis = {
c
for c in all_gw_chassis or chassis_with_physnets.keys()
if not utils.is_gateway_chassis_invalid(
c, all_gw_chassis, physnet, chassis_with_physnets,
az_hints, chassis_with_azs)
}
if available_chassis == set(original_state):
# The same situation as was before. Nothing
# to be rescheduled.
continue
if not available_chassis:
# There is no chassis that could host
# this gateway.
continue
unhosted_gateways.add(lrp_name)
return unhosted_gateways
def filter_existing_chassis(self, nb_idl, gw_chassis,
physnet, chassis_physnets,
existing_chassis):
chassis_list = copy.copy(existing_chassis)
for chassis_name in existing_chassis:
if utils.is_gateway_chassis_invalid(chassis_name, gw_chassis,
physnet, chassis_physnets):
LOG.debug("Chassis %(chassis)s is invalid for scheduling "
"router in physnet: %(physnet)s.",
{'chassis': chassis_name,
'physnet': physnet})
chassis_list.remove(chassis_name)
return chassis_list
def get_unhosted_gateways(self, port_physnet_dict, chassis_physnets,
gw_chassis):
unhosted_gateways = []
for lrp in self._tables['Logical_Router_Port'].rows.values():
if not lrp.name.startswith('lrp-'):
continue
physnet = port_physnet_dict.get(lrp.name[len('lrp-'):])
chassis_list = self._get_logical_router_port_gateway_chassis(lrp)
is_max_gw_reached = len(chassis_list) < ovn_const.MAX_GW_CHASSIS
for chassis_name, prio in chassis_list:
# TODO(azbiswas): Handle the case when a chassis is no
# longer valid. This may involve moving conntrack states,
# so it needs to discussed in the OVN community first.
if is_max_gw_reached or utils.is_gateway_chassis_invalid(
chassis_name, gw_chassis, physnet, chassis_physnets):
unhosted_gateways.append(lrp.name)
return unhosted_gateways
def test_gateway_chassis_valid(self):
# Return False, since everything is valid
self.assertFalse(
utils.is_gateway_chassis_invalid(self.chassis_name,
self.gw_chassis, self.physnet,
self.chassis_physnets))
def test_gateway_chassis_for_chassis_no_in_az_hints(self):
# Return True since az_hints not match chassis_azs
az_hints = ['ovs']
self.assertTrue(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets, az_hints, self.chassis_azs))
def test_gateway_chassis_for_chassis_az_hints_empty(self):
# Return False since az_hints is []
az_hints = []
self.assertFalse(utils.is_gateway_chassis_invalid(
self.chassis_name, self.gw_chassis, self.physnet,
self.chassis_physnets, az_hints, self.chassis_azs))
