Tempest: Add Native DHCP UniScale Tests
Add test cases to test NSXv3 native DHCP unidimensional scale - Create 100 logical DHCP servers - Create 500 logical DHCP servers - Create 1k logical DHCP servers - Create 2k logical DHCP servers - Create 4k logical DHCP servers - Create 100 DHCP static bindings per network - Create 256 DHCP static bindings per network - Create 512 DHCP static bindings per network Change-Id: Ib2045fe078202aca70f3389138af785a77e950c1
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Tong Liu
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vmware_nsx_tempest/tests/nsxv3/scale/__init__.py
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vmware_nsx_tempest/tests/nsxv3/scale/__init__.py
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vmware_nsx_tempest/tests/nsxv3/scale/test_dhcp_uni_scale.py
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vmware_nsx_tempest/tests/nsxv3/scale/test_dhcp_uni_scale.py
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# Copyright 2016 VMware Inc
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# All Rights Reserved
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#
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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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from oslo_log import log as logging
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from tempest.api.network import base
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from tempest import config
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from tempest.lib.common.utils import data_utils
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from tempest import test
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from vmware_nsx_tempest.services import nsxv3_client
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CONF = config.CONF
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LOG = logging.getLogger(__name__)
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class NSXv3DHCPUniScaleTest(base.BaseNetworkTest):
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"""Test NSXv3 native DHCP unidimensional scale:
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- Create 100 DHCP enabled networks/subnets
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- Create 500 DHCP enabled networks/subnets
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- Create 1000 DHCP enabled networks/subnets
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- Create 2000 DHCP enabled networks/subnets
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- Create 4000 DHCP enabled networks/subnets
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- Create 100 ports on a DHCP enabled network/subnet
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- Create 256 ports on a DHCP enabled network/subnet
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- Create 512 ports on a DHCP enabled network/subnet
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One logical DHCP server will be created on NSXv3 backend if a DHCP enabled
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subnet is created. Also, a DHCP static binding will be created on the
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logical DHCP server if one port with device_ower=compute:None is created
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on the subnet. Test is to first create Neutron network resource using
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Neutron API and then check the backend resource using NSXv3 API
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Note:
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The following networking quotas need to be changed on neutron conf.
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They can be set as above scale limit or -1 which means unlimited.
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- quota_network = -1
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- quota_subnet = -1
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- quota_port = -1
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Also, in tempest conf, the following requirements should be met.
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- project_network_cidr should be at least /21, e.g. 10.20.0.0/16
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- project_network_mask_bits should be at least 22
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"""
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@classmethod
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def skip_checks(cls):
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super(NSXv3DHCPUniScaleTest, cls).skip_checks()
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if not (CONF.nsxv3.nsx_manager and CONF.nsxv3.nsx_user and
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CONF.nsxv3.nsx_password):
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raise cls.skipException("Either NSX manager, user, or password "
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"is missing")
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if CONF.network.project_network_mask_bits > 22:
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raise cls.skipException("Project network CIDR doesn't have "
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"enough ports")
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@classmethod
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def resource_setup(cls):
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super(NSXv3DHCPUniScaleTest, cls).resource_setup()
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cls.nsx = nsxv3_client.NSXV3Client(CONF.nsxv3.nsx_manager,
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CONF.nsxv3.nsx_user,
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CONF.nsxv3.nsx_password)
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def _create_scale_logical_dhcp_server(self, scale):
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# Create networks based on scale number
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for i in range(scale):
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name = data_utils.rand_name('uniscale-%s' % i)
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network = self.create_network(network_name=name)
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self.create_subnet(network)
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# Check if the following numbers are correct
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# - Correct number of neutron networks
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# - Correct number of logical switches on nsx backend
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# - COrrect number of logical dhcp servers on nsx backend
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networks = self.networks_client.list_networks()
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scale_nets = [net for net in networks['networks']
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if net['name'].startswith('uniscale-')]
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error_msg = "Neutron networks created doesn't match the scale number"
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self.assertEqual(len(scale_nets), scale, error_msg)
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nsx_switches = self.nsx.get_logical_switches()
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scale_switches = [ls for ls in nsx_switches
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if ls['display_name'].startswith('uniscale-')]
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error_msg = ("Logical switches on backend doesn't match the "
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"number of networks on OpenStack")
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self.assertEqual(len(scale_switches), scale, error_msg)
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dhcp_servers = self.nsx.get_logical_dhcp_servers()
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scale_dhcp_servers = [ds for ds in dhcp_servers
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if ds['display_name'].startswith('uniscale-')]
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error_msg = ("Logical DHCP servers on backend doesn't match the "
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"number of networks on OpenStack")
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self.assertEqual(len(scale_dhcp_servers), scale, error_msg)
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def _create_scale_dhcp_bindings(self, scale):
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# Create a network with dhcp enabled subnet
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name = data_utils.rand_name('binding-')
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network = self.create_network(network_name=name)
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self.create_subnet(network)
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dhcp_server = self.nsx.get_logical_dhcp_server(network['name'],
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network['id'])
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self.assertNotEqual(dhcp_server, None)
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for i in range(scale):
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port = self.create_port(network, device_owner='compute:None')
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self.addCleanup(self.ports_client.delete_port, port['id'])
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dhcp_server = self.nsx.get_logical_dhcp_server(network['name'],
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network['id'])
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dhcp_bindings = self.nsx.get_dhcp_server_static_bindings(
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dhcp_server['id'])
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self.assertEqual(len(dhcp_bindings), scale)
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@test.attr(type='nsxv3')
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@test.idempotent_id('c5fa8d5d-3973-4d77-a0d4-f28b2ae92a2c')
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def test_create_100_logical_dhcp_server(self):
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self._create_scale_logical_dhcp_server(100)
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@test.attr(type='nsxv3')
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@test.idempotent_id('c2b264a2-daab-451f-ad3b-f0713a390f47')
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def test_create_500_logical_dhcp_server(self):
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self._create_scale_logical_dhcp_server(500)
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@test.attr(type='nsxv3')
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@test.idempotent_id('5ba22b0f-4593-4509-8998-a3002ce63406')
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def test_create_1k_logical_dhcp_server(self):
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self._create_scale_logical_dhcp_server(1000)
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@test.attr(type='nsxv3')
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@test.idempotent_id('ddf3d789-838a-428a-b4fe-8fe214f0e956')
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def test_create_2k_logical_dhcp_server(self):
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self._create_scale_logical_dhcp_server(2000)
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@test.attr(type='nsxv3')
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@test.idempotent_id('ed5441be-a700-45fa-bec1-b1d100acbb73')
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def test_create_4k_logical_dhcp_server(self):
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self._create_scale_logical_dhcp_server(4000)
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@test.attr(type='nsxv3')
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@test.idempotent_id('4a5484e3-f9b8-4562-8a4c-d8974a703767')
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def test_create_100_dhcp_bindings(self):
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self._create_scale_dhcp_bindings(100)
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@test.attr(type='nsxv3')
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@test.idempotent_id('cbb8af8c-db3a-4ad2-8954-c41670956c52')
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def test_create_256_dhcp_bindings(self):
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self._create_scale_dhcp_bindings(256)
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@test.attr(type='nsxv3')
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@test.idempotent_id('ffa5db0b-5922-494d-bcd3-9d5b0b10b684')
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def test_create_512_dhcp_bindings(self):
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self._create_scale_dhcp_bindings(512)
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