248 lines
10 KiB
Python
248 lines
10 KiB
Python
# 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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import hashlib
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import random
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import uuid
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from ddt import data
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from ddt import ddt
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from neutronclient.common import exceptions
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from oslo_serialization import jsonutils
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from kuryr import app
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from kuryr.tests.base import TestKuryrFailures
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@ddt
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class TestKuryrEndpointCreateFailures(TestKuryrFailures):
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"""Unittests for the failures for creating endpoints.
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This test covers error responses listed in the spec:
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http://developer.openstack.org/api-ref-networking-v2.html#createSubnet # noqa
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http://developer.openstack.org/api-ref-networking-v2-ext.html#createPort # noqa
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"""
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@staticmethod
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def _get_fake_subnets(docker_endpoint_id, neutron_network_id,
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fake_neutron_subnet1_id, fake_neutron_subnet2_id):
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# The following fake response is retrieved from the Neutron doc:
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# http://developer.openstack.org/api-ref-networking-v2.html#createSubnet # noqa
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fake_subnet_response = {
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"subnets": [{
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"name": '-'.join([docker_endpoint_id, '192.168.1.0']),
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"network_id": neutron_network_id,
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"tenant_id": "c1210485b2424d48804aad5d39c61b8f",
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"allocation_pools": [{"start": "192.168.1.2",
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"end": "192.168.1.254"}],
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"gateway_ip": "192.168.1.1",
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"ip_version": 4,
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"cidr": "192.168.1.0/24",
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"id": fake_neutron_subnet1_id,
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"enable_dhcp": True
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}, {
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"name": '-'.join([docker_endpoint_id, 'fe80::']),
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"network_id": neutron_network_id,
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"tenant_id": "c1210485b2424d48804aad5d39c61b8f",
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"allocation_pools": [{"start": "fe80::f816:3eff:fe20:57c4",
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"end": "fe80::ffff:ffff:ffff:ffff"}],
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"gateway_ip": "fe80::f816:3eff:fe20:57c3",
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"ip_version": 6,
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"cidr": "fe80::/64",
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"id": fake_neutron_subnet2_id,
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"enable_dhcp": True
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}]
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}
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return fake_subnet_response
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def _create_subnet_with_exception(self, neutron_network_id,
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docker_endpoint_id, ex):
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fake_neutron_subnet1_id = str(uuid.uuid4())
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fake_neutron_subnet2_id = str(uuid.uuid4())
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self.mox.StubOutWithMock(app.neutron, 'create_subnet')
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fake_subnet_request = {
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'subnets': [{
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'name': '-'.join([docker_endpoint_id, '192.168.1.0']),
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'network_id': neutron_network_id,
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'allocation_pools': None,
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'ip_version': 4,
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"cidr": '192.168.1.0/24'
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}, {
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'name': '-'.join([docker_endpoint_id, 'fe80::']),
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'network_id': neutron_network_id,
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'allocation_pools': None,
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'ip_version': 6,
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"cidr": 'fe80::/64'
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}]
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}
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fake_subnets = self.__class__._get_fake_subnets(
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docker_endpoint_id, neutron_network_id,
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fake_neutron_subnet1_id, fake_neutron_subnet2_id)
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if ex:
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app.neutron.create_subnet(fake_subnet_request).AndRaise(ex)
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else:
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app.neutron.create_subnet(
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fake_subnet_request).AndReturn(fake_subnets)
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self.mox.ReplayAll()
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return (fake_neutron_subnet1_id, fake_neutron_subnet2_id)
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def _delete_subnet_with_exception(self, neutron_subnet_id, ex):
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self.mox.StubOutWithMock(app.neutron, 'delete_subnet')
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if ex:
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app.neutron.delete_subnet(neutron_subnet_id).AndRaise(ex)
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else:
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app.neutron.delete_subnet(neutron_subnet_id).AndReturn(None)
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self.mox.ReplayAll()
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def _delete_subnets_with_exception(self, neutron_subnet_ids, ex):
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self.mox.StubOutWithMock(app.neutron, 'delete_subnet')
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for neutron_subnet_id in neutron_subnet_ids:
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if ex:
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app.neutron.delete_subnet(neutron_subnet_id).AndRaise(ex)
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else:
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app.neutron.delete_subnet(neutron_subnet_id).AndReturn(None)
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self.mox.ReplayAll()
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def _create_port_with_exception(self, neutron_network_id,
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docker_endpoint_id, neutron_subnetv4_id,
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neutron_subnetv6_id, ex):
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self.mox.StubOutWithMock(app.neutron, 'create_port')
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fake_port_request = {
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'port': {
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'name': '-'.join([docker_endpoint_id, '0', 'port']),
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'admin_state_up': True,
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'fixed_ips': [{
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'subnet_id': neutron_subnetv4_id,
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'ip_address': '192.168.1.2'
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}, {
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'subnet_id': neutron_subnetv6_id,
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'ip_address': 'fe80::f816:3eff:fe20:57c4'
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}],
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'mac_address': "fa:16:3e:20:57:c3",
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'network_id': neutron_network_id
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}
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}
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# The following fake response is retrieved from the Neutron doc:
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# http://developer.openstack.org/api-ref-networking-v2.html#createPort # noqa
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fake_port = {
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"port": {
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"status": "DOWN",
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"name": '-'.join([docker_endpoint_id, '0', 'port']),
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"allowed_address_pairs": [],
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"admin_state_up": True,
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"network_id": neutron_network_id,
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"tenant_id": "d6700c0c9ffa4f1cb322cd4a1f3906fa",
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"device_owner": "",
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"mac_address": "fa:16:3e:20:57:c3",
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'fixed_ips': [{
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'subnet_id': neutron_subnetv4_id,
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'ip_address': '192.168.1.2'
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}, {
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'subnet_id': neutron_subnetv6_id,
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'ip_address': 'fe80::f816:3eff:fe20:57c4'
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}],
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"id": "65c0ee9f-d634-4522-8954-51021b570b0d",
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"security_groups": [],
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"device_id": ""
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}
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}
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if ex:
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app.neutron.create_port(fake_port_request).AndRaise(ex)
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else:
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app.neutron.create_port(fake_port_request).AndReturn(fake_port)
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self.mox.ReplayAll()
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def _invoke_create_request(self, docker_network_id, docker_endpoint_id):
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data = {
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'NetworkID': docker_network_id,
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'EndpointID': docker_endpoint_id,
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'Options': {},
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'Interfaces': [{
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'ID': 0,
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'Address': '192.168.1.2/24',
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'AddressIPv6': 'fe80::f816:3eff:fe20:57c4/64',
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'MacAddress': "fa:16:3e:20:57:c3"
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}]
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}
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response = self.app.post('/NetworkDriver.CreateEndpoint',
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content_type='application/json',
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data=jsonutils.dumps(data))
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return response
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@data(exceptions.Unauthorized, exceptions.Forbidden, exceptions.NotFound,
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exceptions.Conflict)
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def test_create_endpoint_subnet_failures(self, GivenException):
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fake_docker_network_id = hashlib.sha256(
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str(random.getrandbits(256))).hexdigest()
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fake_docker_endpoint_id = hashlib.sha256(
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str(random.getrandbits(256))).hexdigest()
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fake_neutron_network_id = str(uuid.uuid4())
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self.mox.StubOutWithMock(app.neutron, 'list_subnets')
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app.neutron.list_subnets(
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network_id=fake_neutron_network_id,
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cidr='192.168.1.2/24').AndReturn({'subnets': []})
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app.neutron.list_subnets(
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network_id=fake_neutron_network_id,
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cidr='fe80::f816:3eff:fe20:57c4/64').AndReturn({'subnets': []})
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self._create_subnet_with_exception(
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fake_neutron_network_id, fake_docker_endpoint_id, GivenException())
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self._mock_out_network(fake_neutron_network_id, fake_docker_network_id)
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response = self._invoke_create_request(
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fake_docker_network_id, fake_docker_endpoint_id)
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self.assertEqual(GivenException.status_code, response.status_code)
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decoded_json = jsonutils.loads(response.data)
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self.assertTrue('Err' in decoded_json)
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self.assertEqual({'Err': GivenException.message}, decoded_json)
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@data(exceptions.Unauthorized, exceptions.Forbidden, exceptions.NotFound,
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exceptions.ServiceUnavailable)
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def test_create_endpoint_port_failures(self, GivenException):
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fake_docker_network_id = hashlib.sha256(
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str(random.getrandbits(256))).hexdigest()
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fake_docker_endpoint_id = hashlib.sha256(
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str(random.getrandbits(256))).hexdigest()
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fake_neutron_network_id = str(uuid.uuid4())
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self.mox.StubOutWithMock(app.neutron, 'list_subnets')
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app.neutron.list_subnets(
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network_id=fake_neutron_network_id,
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cidr='192.168.1.2/24').AndReturn({'subnets': []})
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app.neutron.list_subnets(
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network_id=fake_neutron_network_id,
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cidr='fe80::f816:3eff:fe20:57c4/64').AndReturn({'subnets': []})
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(fake_neutron_subnet1_id,
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fake_neutron_subnet2_id) = self._create_subnet_with_exception(
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fake_neutron_network_id, fake_docker_endpoint_id, None)
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self._create_port_with_exception(fake_neutron_network_id,
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fake_docker_endpoint_id, fake_neutron_subnet1_id,
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fake_neutron_subnet2_id, GivenException())
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self._mock_out_network(fake_neutron_network_id, fake_docker_network_id)
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# The port creation is failed and Kuryr rolles the created subnet back.
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self._delete_subnets_with_exception(
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[fake_neutron_subnet1_id, fake_neutron_subnet2_id], None)
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response = self._invoke_create_request(
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fake_docker_network_id, fake_docker_endpoint_id)
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self.assertEqual(GivenException.status_code, response.status_code)
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decoded_json = jsonutils.loads(response.data)
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self.assertTrue('Err' in decoded_json)
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self.assertEqual({'Err': GivenException.message}, decoded_json)
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