293 lines
8.9 KiB
Python
293 lines
8.9 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import copy
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from unittest import mock
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from oslo_utils import uuidutils
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from ovn_octavia_provider.common import constants
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from ovn_octavia_provider.common import utils
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class FakeResource(dict):
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def __init__(self, manager=None, info=None, loaded=False, methods=None):
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"""Set attributes and methods for a resource.
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:param manager:
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The resource manager
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:param Dictionary info:
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A dictionary with all attributes
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:param bool loaded:
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True if the resource is loaded in memory
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:param Dictionary methods:
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A dictionary with all methods
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"""
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info = info or {}
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super(FakeResource, self).__init__(info)
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methods = methods or {}
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self.__name__ = type(self).__name__
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self.manager = manager
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self._info = info
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self._add_details(info)
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self._add_methods(methods)
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self._loaded = loaded
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# Add a revision number by default
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setattr(self, 'revision_number', 1)
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@property
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def db_obj(self):
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return self
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def _add_details(self, info):
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for (k, v) in info.items():
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setattr(self, k, v)
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def _add_methods(self, methods):
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"""Fake methods with MagicMock objects.
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For each <@key, @value> pairs in methods, add an callable MagicMock
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object named @key as an attribute, and set the mock's return_value to
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@value. When users access the attribute with (), @value will be
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returned, which looks like a function call.
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"""
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for (name, ret) in methods.items():
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method = mock.MagicMock(return_value=ret)
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setattr(self, name, method)
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def __repr__(self):
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reprkeys = sorted(k for k in self.__dict__.keys() if k[0] != '_' and
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k != 'manager')
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info = ", ".join("%s=%s" % (k, getattr(self, k)) for k in reprkeys)
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return "<%s %s>" % (self.__class__.__name__, info)
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def keys(self):
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return self._info.keys()
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def info(self):
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return self._info
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def update(self, info):
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super(FakeResource, self).update(info)
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self._add_details(info)
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class FakeOvsdbRow(FakeResource):
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"""Fake one or more OVSDB rows."""
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@staticmethod
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def create_one_ovsdb_row(attrs=None, methods=None):
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"""Create a fake OVSDB row.
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:param Dictionary attrs:
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A dictionary with all attributes
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:param Dictionary methods:
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A dictionary with all methods
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:return:
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A FakeResource object faking the OVSDB row
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"""
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attrs = attrs or {}
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methods = methods or {}
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# Set default attributes.
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fake_uuid = uuidutils.generate_uuid()
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ovsdb_row_attrs = {
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'uuid': fake_uuid,
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'name': 'name-' + fake_uuid,
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'external_ids': {},
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}
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# Set default methods.
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ovsdb_row_methods = {
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'addvalue': None,
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'delete': None,
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'delvalue': None,
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'verify': None,
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'setkey': None,
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}
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# Overwrite default attributes and methods.
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ovsdb_row_attrs.update(attrs)
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ovsdb_row_methods.update(methods)
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return FakeResource(info=copy.deepcopy(ovsdb_row_attrs),
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loaded=True,
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methods=copy.deepcopy(ovsdb_row_methods))
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class FakeSubnet(object):
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"""Fake one or more subnets."""
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@staticmethod
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def create_one_subnet(attrs=None):
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"""Create a fake subnet.
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:param Dictionary attrs:
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A dictionary with all attributes
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:return:
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A FakeResource object faking the subnet
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"""
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attrs = attrs or {}
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# Set default attributes.
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fake_uuid = uuidutils.generate_uuid()
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subnet_attrs = {
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'id': 'subnet-id-' + fake_uuid,
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'name': 'subnet-name-' + fake_uuid,
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'network_id': 'network-id-' + fake_uuid,
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'cidr': '10.10.10.0/24',
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'tenant_id': 'project-id-' + fake_uuid,
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'enable_dhcp': True,
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'dns_nameservers': [],
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'allocation_pools': [],
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'host_routes': [],
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'ip_version': 4,
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'gateway_ip': '10.10.10.1',
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'ipv6_address_mode': 'None',
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'ipv6_ra_mode': 'None',
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'subnetpool_id': None,
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}
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# Overwrite default attributes.
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subnet_attrs.update(attrs)
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return FakeResource(info=copy.deepcopy(subnet_attrs),
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loaded=True)
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class FakeOVNPort(object):
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"""Fake one or more ports."""
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@staticmethod
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def create_one_port(attrs=None):
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"""Create a fake ovn port.
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:param Dictionary attrs:
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A dictionary with all attributes
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:return:
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A FakeResource object faking the port
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"""
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attrs = attrs or {}
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# Set default attributes.
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fake_uuid = uuidutils.generate_uuid()
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port_attrs = {
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'addresses': [],
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'dhcpv4_options': '',
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'dhcpv6_options': [],
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'enabled': True,
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'external_ids': {},
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'name': fake_uuid,
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'options': {},
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'parent_name': [],
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'port_security': [],
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'tag': [],
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'tag_request': [],
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'type': '',
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'up': False,
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}
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# Overwrite default attributes.
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port_attrs.update(attrs)
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return type('Logical_Switch_Port', (object, ), port_attrs)
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@staticmethod
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def from_neutron_port(port):
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"""Create a fake ovn port based on a neutron port."""
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external_ids = {
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constants.OVN_NETWORK_NAME_EXT_ID_KEY:
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utils.ovn_name(port['network_id']),
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constants.OVN_SG_IDS_EXT_ID_KEY:
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' '.join(port['security_groups']),
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constants.OVN_DEVICE_OWNER_EXT_ID_KEY:
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port.get('device_owner', '')}
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addresses = [port['mac_address'], ]
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addresses += [x['ip_address'] for x in port.get('fixed_ips', [])]
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port_security = (
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addresses + [x['ip_address'] for x in
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port.get('allowed_address_pairs', [])])
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return FakeOVNPort.create_one_port(
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{'external_ids': external_ids, 'addresses': addresses,
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'port_security': port_security})
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class FakeOVNRouter(object):
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@staticmethod
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def create_one_router(attrs=None):
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router_attrs = {
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'enabled': False,
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'external_ids': {},
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'load_balancer': [],
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'name': '',
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'nat': [],
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'options': {},
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'ports': [],
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'static_routes': [],
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}
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# Overwrite default attributes.
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router_attrs.update(attrs)
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return type('Logical_Router', (object, ), router_attrs)
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class FakePort(object):
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"""Fake one or more ports."""
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@staticmethod
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def create_one_port(attrs=None):
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"""Create a fake port.
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:param Dictionary attrs:
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A dictionary with all attributes
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:return:
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A FakeResource object faking the port
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"""
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attrs = attrs or {}
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# Set default attributes.
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fake_uuid = uuidutils.generate_uuid()
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port_attrs = {
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'admin_state_up': True,
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'allowed_address_pairs': [{}],
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'binding:host_id': 'binding-host-id-' + fake_uuid,
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'binding:profile': {},
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'binding:vif_details': {},
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'binding:vif_type': 'ovs',
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'binding:vnic_type': 'normal',
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'device_id': 'device-id-' + fake_uuid,
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'device_owner': 'compute:nova',
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'dns_assignment': [{}],
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'dns_name': 'dns-name-' + fake_uuid,
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'extra_dhcp_opts': [{}],
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'fixed_ips': [{'subnet_id': 'subnet-id-' + fake_uuid,
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'ip_address': '10.10.10.20'}],
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'id': 'port-id-' + fake_uuid,
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'mac_address': 'fa:16:3e:a9:4e:72',
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'name': 'port-name-' + fake_uuid,
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'network_id': 'network-id-' + fake_uuid,
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'port_security_enabled': True,
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'security_groups': [],
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'status': 'ACTIVE',
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'tenant_id': 'project-id-' + fake_uuid,
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}
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# Overwrite default attributes.
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port_attrs.update(attrs)
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return FakeResource(info=copy.deepcopy(port_attrs),
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loaded=True)
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