Neutron integration with OVN
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#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
import collections
import copy
import mock
from neutron_lib.api.definitions import l3
from oslo_utils import uuidutils
from networking_ovn.common import constants as ovn_const
from networking_ovn.common import utils
class FakeOvsdbNbOvnIdl(object):
def __init__(self, **kwargs):
self.lswitch_table = FakeOvsdbTable.create_one_ovsdb_table()
self.lsp_table = FakeOvsdbTable.create_one_ovsdb_table()
self.lrouter_table = FakeOvsdbTable.create_one_ovsdb_table()
self.lrouter_static_route_table = \
FakeOvsdbTable.create_one_ovsdb_table()
self.lrp_table = FakeOvsdbTable.create_one_ovsdb_table()
self.addrset_table = FakeOvsdbTable.create_one_ovsdb_table()
self.acl_table = FakeOvsdbTable.create_one_ovsdb_table()
self.dhcp_options_table = FakeOvsdbTable.create_one_ovsdb_table()
self.nat_table = FakeOvsdbTable.create_one_ovsdb_table()
self.port_group_table = FakeOvsdbTable.create_one_ovsdb_table()
self._tables = {}
self._tables['Logical_Switch'] = self.lswitch_table
self._tables['Logical_Switch_Port'] = self.lsp_table
self._tables['Logical_Router'] = self.lrouter_table
self._tables['Logical_Router_Port'] = self.lrp_table
self._tables['Logical_Router_Static_Route'] = \
self.lrouter_static_route_table
self._tables['ACL'] = self.acl_table
self._tables['Address_Set'] = self.addrset_table
self._tables['DHCP_Options'] = self.dhcp_options_table
self._tables['NAT'] = self.nat_table
self._tables['Port_Group'] = self.port_group_table
self.transaction = mock.MagicMock()
self.ls_add = mock.Mock()
self.set_lswitch_ext_ids = mock.Mock()
self.ls_del = mock.Mock()
self.create_lswitch_port = mock.Mock()
self.set_lswitch_port = mock.Mock()
self.delete_lswitch_port = mock.Mock()
self.get_acls_for_lswitches = mock.Mock()
self.create_lrouter = mock.Mock()
self.lrp_del = mock.Mock()
self.update_lrouter = mock.Mock()
self.delete_lrouter = mock.Mock()
self.add_lrouter_port = mock.Mock()
self.update_lrouter_port = mock.Mock()
self.delete_lrouter_port = mock.Mock()
self.set_lrouter_port_in_lswitch_port = mock.Mock()
self.add_acl = mock.Mock()
self.delete_acl = mock.Mock()
self.update_acls = mock.Mock()
self.idl = mock.Mock()
self.add_static_route = mock.Mock()
self.delete_static_route = mock.Mock()
self.create_address_set = mock.Mock()
self.update_address_set_ext_ids = mock.Mock()
self.delete_address_set = mock.Mock()
self.update_address_set = mock.Mock()
self.get_all_chassis_gateway_bindings = mock.Mock()
self.get_chassis_gateways = mock.Mock()
self.get_gateway_chassis_binding = mock.Mock()
self.get_unhosted_gateways = mock.Mock()
self.add_dhcp_options = mock.Mock()
self.delete_dhcp_options = mock.Mock()
self.get_subnet_dhcp_options = mock.Mock()
self.get_subnet_dhcp_options.return_value = {
'subnet': None, 'ports': []}
self.get_subnets_dhcp_options = mock.Mock()
self.get_subnets_dhcp_options.return_value = []
self.get_all_dhcp_options = mock.Mock()
self.get_router_port_options = mock.MagicMock()
self.get_router_port_options.return_value = {}
self.add_nat_rule_in_lrouter = mock.Mock()
self.delete_nat_rule_in_lrouter = mock.Mock()
self.add_nat_ip_to_lrport_peer_options = mock.Mock()
self.delete_nat_ip_from_lrport_peer_options = mock.Mock()
self.get_lrouter_nat_rules = mock.Mock()
self.get_lrouter_nat_rules.return_value = []
self.set_nat_rule_in_lrouter = mock.Mock()
self.check_for_row_by_value_and_retry = mock.Mock()
self.get_parent_port = mock.Mock()
self.get_parent_port.return_value = []
self.dns_add = mock.Mock()
self.get_lswitch = mock.Mock()
fake_ovs_row = FakeOvsdbRow.create_one_ovsdb_row()
self.get_lswitch.return_value = fake_ovs_row
self.get_lswitch_port = mock.Mock()
self.get_lswitch_port.return_value = fake_ovs_row
self.get_ls_and_dns_record = mock.Mock()
self.get_ls_and_dns_record.return_value = (fake_ovs_row, None)
self.ls_set_dns_records = mock.Mock()
self.get_floatingip = mock.Mock()
self.get_floatingip.return_value = None
self.check_revision_number = mock.Mock()
self.lookup = mock.MagicMock()
# TODO(lucasagomes): The get_floatingip_by_ips() method is part
# of a backwards compatibility layer for the Pike -> Queens release,
# remove it in the Rocky release.
self.get_floatingip_by_ips = mock.Mock()
self.get_floatingip_by_ips.return_value = None
self.is_col_present = mock.Mock()
self.is_col_present.return_value = False
self.get_lrouter = mock.Mock()
self.get_lrouter.return_value = None
self.delete_lrouter_ext_gw = mock.Mock()
self.delete_lrouter_ext_gw.return_value = None
self.lsp_get_up = mock.Mock()
self.db_find = mock.Mock()
self.db_set = mock.Mock()
self.db_clear = mock.Mock()
self.is_port_groups_supported = mock.Mock()
# TODO(lucasagomes): Flip this return value to True at some point,
# port groups should be the default method used by networking-ovn
self.is_port_groups_supported.return_value = False
self.get_address_set = mock.Mock()
self.get_address_set.return_value = None
self.pg_acl_add = mock.Mock()
self.pg_acl_del = mock.Mock()
self.pg_del = mock.Mock()
self.pg_add = mock.Mock()
self.get_port_group = mock.Mock()
self.pg_add_ports = mock.Mock()
self.pg_del_ports = mock.Mock()
self.lsp_get_up = mock.Mock()
self.nb_global = mock.Mock()
self.db_list_rows = mock.Mock()
self.lsp_list = mock.MagicMock()
self.db_find = mock.Mock()
self.db_find_rows = mock.Mock()
self.db_set = mock.Mock()
self.db_clear = mock.Mock()
self.db_remove = mock.Mock()
self.set_lswitch_port_to_virtual_type = mock.Mock()
self.unset_lswitch_port_to_virtual_type = mock.Mock()
self.ls_get = mock.Mock()
class FakeOvsdbSbOvnIdl(object):
def __init__(self, **kwargs):
self.chassis_exists = mock.Mock()
self.chassis_exists.return_value = True
self.get_chassis_hostname_and_physnets = mock.Mock()
self.get_chassis_hostname_and_physnets.return_value = {}
self.get_all_chassis = mock.Mock()
self.get_chassis_data_for_ml2_bind_port = mock.Mock()
self.get_chassis_data_for_ml2_bind_port.return_value = \
('fake', '', ['fake-physnet'])
self.get_logical_port_chassis_and_datapath = mock.Mock()
self.get_logical_port_chassis_and_datapath.return_value = \
('fake', 'fake-dp')
self.get_chassis_and_physnets = mock.Mock()
self.get_gateway_chassis_from_cms_options = mock.Mock()
self.is_col_present = mock.Mock()
self.is_col_present.return_value = False
class FakeOvsdbTransaction(object):
def __init__(self, **kwargs):
self.insert = mock.Mock()
class FakePlugin(object):
def __init__(self, **kwargs):
self.get_ports = mock.Mock()
self._get_port_security_group_bindings = mock.Mock()
class FakeResource(dict):
def __init__(self, manager=None, info=None, loaded=False, methods=None):
"""Set attributes and methods for a resource.
:param manager:
The resource manager
:param Dictionary info:
A dictionary with all attributes
:param bool loaded:
True if the resource is loaded in memory
:param Dictionary methods:
A dictionary with all methods
"""
info = info or {}
super(FakeResource, self).__init__(info)
methods = methods or {}
self.__name__ = type(self).__name__
self.manager = manager
self._info = info
self._add_details(info)
self._add_methods(methods)
self._loaded = loaded
# Add a revision number by default
setattr(self, 'revision_number', 1)
@property
def db_obj(self):
return self
def _add_details(self, info):
for (k, v) in info.items():
setattr(self, k, v)
def _add_methods(self, methods):
"""Fake methods with MagicMock objects.
For each <@key, @value> pairs in methods, add an callable MagicMock
object named @key as an attribute, and set the mock's return_value to
@value. When users access the attribute with (), @value will be
returned, which looks like a function call.
"""
for (name, ret) in methods.items():
method = mock.MagicMock(return_value=ret)
setattr(self, name, method)
def __repr__(self):
reprkeys = sorted(k for k in self.__dict__.keys() if k[0] != '_' and
k != 'manager')
info = ", ".join("%s=%s" % (k, getattr(self, k)) for k in reprkeys)
return "<%s %s>" % (self.__class__.__name__, info)
def keys(self):
return self._info.keys()
def info(self):
return self._info
def update(self, info):
super(FakeResource, self).update(info)
self._add_details(info)
class FakeNetwork(object):
"""Fake one or more networks."""
@staticmethod
def create_one_network(attrs=None):
"""Create a fake network.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the network
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
network_attrs = {
'id': 'network-id-' + fake_uuid,
'name': 'network-name-' + fake_uuid,
'status': 'ACTIVE',
'tenant_id': 'project-id-' + fake_uuid,
'admin_state_up': True,
'shared': False,
'subnets': [],
'provider:network_type': 'geneve',
'provider:physical_network': None,
'provider:segmentation_id': 10,
'router:external': False,
'availability_zones': [],
'availability_zone_hints': [],
'is_default': False,
}
# Overwrite default attributes.
network_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(network_attrs),
loaded=True)
class FakeNetworkContext(object):
def __init__(self, network, segments):
self.fake_network = network
self.fake_segments = segments
self._plugin_context = mock.MagicMock()
@property
def current(self):
return self.fake_network
@property
def original(self):
return None
@property
def network_segments(self):
return self.fake_segments
class FakeSubnetContext(object):
def __init__(self, subnet, original_subnet=None, network=None):
self.fake_subnet = subnet
self.fake_original_subnet = original_subnet
self.fake_network = FakeNetworkContext(network, None)
@property
def current(self):
return self.fake_subnet
@property
def original(self):
return self.fake_original_subnet
@property
def network(self):
return self.fake_network
class FakeOvsdbRow(FakeResource):
"""Fake one or more OVSDB rows."""
@staticmethod
def create_one_ovsdb_row(attrs=None, methods=None):
"""Create a fake OVSDB row.
:param Dictionary attrs:
A dictionary with all attributes
:param Dictionary methods:
A dictionary with all methods
:return:
A FakeResource object faking the OVSDB row
"""
attrs = attrs or {}
methods = methods or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
ovsdb_row_attrs = {
'uuid': fake_uuid,
'name': 'name-' + fake_uuid,
'external_ids': {},
}
# Set default methods.
ovsdb_row_methods = {
'addvalue': None,
'delete': None,
'delvalue': None,
'verify': None,
}
# Overwrite default attributes and methods.
ovsdb_row_attrs.update(attrs)
ovsdb_row_methods.update(methods)
return FakeResource(info=copy.deepcopy(ovsdb_row_attrs),
loaded=True,
methods=copy.deepcopy(ovsdb_row_methods))
class FakeOvsdbTable(FakeResource):
"""Fake one or more OVSDB tables."""
@staticmethod
def create_one_ovsdb_table(attrs=None):
"""Create a fake OVSDB table.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the OVSDB table
"""
attrs = attrs or {}
# Set default attributes.
ovsdb_table_attrs = {
'rows': {},
'columns': {},
}
# Overwrite default attributes.
ovsdb_table_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(ovsdb_table_attrs),
loaded=True)
class FakePort(object):
"""Fake one or more ports."""
@staticmethod
def create_one_port(attrs=None):
"""Create a fake port.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the port
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
port_attrs = {
'admin_state_up': True,
'allowed_address_pairs': [{}],
'binding:host_id': 'binding-host-id-' + fake_uuid,
'binding:profile': {},
'binding:vif_details': {},
'binding:vif_type': 'ovs',
'binding:vnic_type': 'normal',
'device_id': 'device-id-' + fake_uuid,
'device_owner': 'compute:nova',
'dns_assignment': [{}],
'dns_name': 'dns-name-' + fake_uuid,
'extra_dhcp_opts': [{}],
'fixed_ips': [{'subnet_id': 'subnet-id-' + fake_uuid,
'ip_address': '10.10.10.20'}],
'id': 'port-id-' + fake_uuid,
'mac_address': 'fa:16:3e:a9:4e:72',
'name': 'port-name-' + fake_uuid,
'network_id': 'network-id-' + fake_uuid,
'port_security_enabled': True,
'security_groups': [],
'status': 'ACTIVE',
'tenant_id': 'project-id-' + fake_uuid,
}
# Overwrite default attributes.
port_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(port_attrs),
loaded=True)
class FakePortContext(object):
def __init__(self, port, host, segments_to_bind):
self.fake_port = port
self.fake_host = host
self.fake_segments_to_bind = segments_to_bind
self.set_binding = mock.Mock()
@property
def current(self):
return self.fake_port
@property
def host(self):
return self.fake_host
@property
def segments_to_bind(self):
return self.fake_segments_to_bind
class FakeSecurityGroup(object):
"""Fake one or more security groups."""
@staticmethod
def create_one_security_group(attrs=None):
"""Create a fake security group.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the security group
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
security_group_attrs = {
'id': 'security-group-id-' + fake_uuid,
'name': 'security-group-name-' + fake_uuid,
'description': 'security-group-description-' + fake_uuid,
'tenant_id': 'project-id-' + fake_uuid,
'security_group_rules': [],
}
# Overwrite default attributes.
security_group_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(security_group_attrs),
loaded=True)
class FakeSecurityGroupRule(object):
"""Fake one or more security group rules."""
@staticmethod
def create_one_security_group_rule(attrs=None):
"""Create a fake security group rule.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the security group rule
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
security_group_rule_attrs = {
'direction': 'ingress',
'ethertype': 'IPv4',
'id': 'security-group-rule-id-' + fake_uuid,
'port_range_max': 22,
'port_range_min': 22,
'protocol': 'tcp',
'remote_group_id': None,
'remote_ip_prefix': '0.0.0.0/0',
'security_group_id': 'security-group-id-' + fake_uuid,
'tenant_id': 'project-id-' + fake_uuid,
}
# Overwrite default attributes.
security_group_rule_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(security_group_rule_attrs),
loaded=True)
class FakeSegment(object):
"""Fake one or more segments."""
@staticmethod
def create_one_segment(attrs=None):
"""Create a fake segment.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the segment
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
segment_attrs = {
'id': 'segment-id-' + fake_uuid,
'network_type': 'geneve',
'physical_network': None,
'segmentation_id': 10,
}
# Overwrite default attributes.
segment_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(segment_attrs),
loaded=True)
class FakeSubnet(object):
"""Fake one or more subnets."""
@staticmethod
def create_one_subnet(attrs=None):
"""Create a fake subnet.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the subnet
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
subnet_attrs = {
'id': 'subnet-id-' + fake_uuid,
'name': 'subnet-name-' + fake_uuid,
'network_id': 'network-id-' + fake_uuid,
'cidr': '10.10.10.0/24',
'tenant_id': 'project-id-' + fake_uuid,
'enable_dhcp': True,
'dns_nameservers': [],
'allocation_pools': [],
'host_routes': [],
'ip_version': 4,
'gateway_ip': '10.10.10.1',
'ipv6_address_mode': 'None',
'ipv6_ra_mode': 'None',
'subnetpool_id': None,
}
# Overwrite default attributes.
subnet_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(subnet_attrs),
loaded=True)
class FakeFloatingIp(object):
"""Fake one or more floating ips."""
@staticmethod
def create_one_fip(attrs=None):
"""Create a fake floating ip.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the floating ip
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
fip_attrs = {
'id': 'fip-id-' + fake_uuid,
'tenant_id': '',
'fixed_ip_address': '10.0.0.10',
'floating_ip_address': '172.21.0.100',
'router_id': 'router-id',
'port_id': 'port_id',
'fixed_port_id': 'port_id',
'floating_port_id': 'fip-port-id',
'status': 'Active',
'floating_network_id': 'fip-net-id',
'dns': '',
'dns_domain': '',
'dns_name': '',
'project_id': '',
}
# Overwrite default attributes.
fip_attrs.update(attrs)
return FakeResource(info=copy.deepcopy(fip_attrs),
loaded=True)
class FakeOVNPort(object):
"""Fake one or more ports."""
@staticmethod
def create_one_port(attrs=None):
"""Create a fake ovn port.
:param Dictionary attrs:
A dictionary with all attributes
:return:
A FakeResource object faking the port
"""
attrs = attrs or {}
# Set default attributes.
fake_uuid = uuidutils.generate_uuid()
port_attrs = {
'addresses': [],
'dhcpv4_options': '',
'dhcpv6_options': [],
'enabled': True,
'external_ids': {},
'name': fake_uuid,
'options': {},
'parent_name': [],
'port_security': [],
'tag': [],
'tag_request': [],
'type': '',
'up': False,
}
# Overwrite default attributes.
port_attrs.update(attrs)
return type('Logical_Switch_Port', (object, ), port_attrs)
@staticmethod
def from_neutron_port(port):
"""Create a fake ovn port based on a neutron port."""
external_ids = {
ovn_const.OVN_NETWORK_NAME_EXT_ID_KEY:
utils.ovn_name(port['network_id']),
ovn_const.OVN_SG_IDS_EXT_ID_KEY:
' '.join(port['security_groups']),
ovn_const.OVN_DEVICE_OWNER_EXT_ID_KEY:
port.get('device_owner', '')}
addresses = [port['mac_address'], ]
addresses += [x['ip_address'] for x in port.get('fixed_ips', [])]
port_security = (
addresses + [x['ip_address'] for x in
port.get('allowed_address_pairs', [])])
return FakeOVNPort.create_one_port(
{'external_ids': external_ids, 'addresses': addresses,
'port_security': port_security})
FakeStaticRoute = collections.namedtuple(
'Static_Routes', ['ip_prefix', 'nexthop', 'external_ids'])
class FakeOVNRouter(object):
@staticmethod
def create_one_router(attrs=None):
router_attrs = {
'enabled': False,
'external_ids': {},
'load_balancer': [],
'name': '',
'nat': [],
'options': {},
'ports': [],
'static_routes': [],
}
# Overwrite default attributes.
router_attrs.update(attrs)
return type('Logical_Router', (object, ), router_attrs)
@staticmethod
def from_neutron_router(router):
def _get_subnet_id(gw_info):
subnet_id = ''
ext_ips = gw_info.get('external_fixed_ips', [])
if ext_ips:
subnet_id = ext_ips[0]['subnet_id']
return subnet_id
external_ids = {
ovn_const.OVN_GW_PORT_EXT_ID_KEY: router.get('gw_port_id') or '',
ovn_const.OVN_ROUTER_NAME_EXT_ID_KEY:
router.get('name', 'no_router_name')}
# Get the routes
routes = []
for r in router.get('routes', []):
routes.append(FakeStaticRoute(ip_prefix=r['destination'],
nexthop=r['nexthop'],
external_ids={}))
gw_info = router.get(l3.EXTERNAL_GW_INFO)
if gw_info:
external_ids = {
ovn_const.OVN_ROUTER_IS_EXT_GW: 'true',
ovn_const.OVN_SUBNET_EXT_ID_KEY: _get_subnet_id(gw_info)}
routes.append(FakeStaticRoute(
ip_prefix='0.0.0.0/0', nexthop='',
external_ids=external_ids))
return FakeOVNRouter.create_one_router(
{'external_ids': external_ids,
'enabled': router.get('admin_state_up') or False,
'name': utils.ovn_name(router['id']),
'static_routes': routes})