Source code for scenario.test_network_qos_placement

# Copyright (c) 2019 Ericsson
#
#    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 testtools

from tempest.common import utils
from tempest.common import waiters
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
from tempest.lib import decorators
from tempest.lib import exceptions as lib_exc
from tempest.scenario import manager


CONF = config.CONF


[docs]class NetworkQoSPlacementTestBase(manager.NetworkScenarioTest): """Base class for Network QoS testing Base class for testing Network QoS scenarios involving placement resource allocations. """ credentials = ['primary', 'admin'] # The feature QoS minimum bandwidth allocation in Placement API depends on # Granular resource requests to GET /allocation_candidates and Support # allocation candidates with nested resource providers features in # Placement (see: https://specs.openstack.org/openstack/nova-specs/specs/ # stein/approved/bandwidth-resource-provider.html#rest-api-impact) and this # means that the minimum placement microversion is 1.29 placement_min_microversion = '1.29' placement_max_microversion = 'latest' # Nova rejects to boot VM with port which has resource_request field, below # microversion 2.72 compute_min_microversion = '2.72' compute_max_microversion = 'latest' INGRESS_DIRECTION = 'ingress' EGRESS_DIRECTION = 'egress' ANY_DIRECTION = 'any' INGRESS_RESOURCE_CLASS = "NET_BW_IGR_KILOBIT_PER_SEC" EGRESS_RESOURCE_CLASS = "NET_BW_EGR_KILOBIT_PER_SEC" # For any realistic inventory value (that is inventory != MAX_INT) an # allocation candidate request of MAX_INT is expected to be rejected, see: # https://github.com/openstack/placement/blob/master/placement/ # db/constants.py#L16 PLACEMENT_MAX_INT = 0x7FFFFFFF @classmethod def setup_clients(cls): super().setup_clients() cls.placement_client = cls.os_admin.placement_client cls.networks_client = cls.os_admin.networks_client cls.subnets_client = cls.os_admin.subnets_client cls.ports_client = cls.os_primary.ports_client cls.routers_client = cls.os_adm.routers_client cls.qos_client = cls.os_admin.qos_client cls.qos_min_bw_client = cls.os_admin.qos_min_bw_client cls.flavors_client = cls.os_adm.flavors_client cls.servers_client = cls.os_primary.servers_client def _create_flavor_to_resize_to(self): old_flavor = self.flavors_client.show_flavor( CONF.compute.flavor_ref)['flavor'] new_flavor = self.flavors_client.create_flavor(**{ 'ram': old_flavor['ram'], 'vcpus': old_flavor['vcpus'], 'name': old_flavor['name'] + 'extra-%s' % data_utils.rand_int_id(), 'disk': old_flavor['disk'] + 1 })['flavor'] self.addCleanup(test_utils.call_and_ignore_notfound_exc, self.flavors_client.delete_flavor, new_flavor['id']) return new_flavor
[docs]class MinBwAllocationPlacementTest(NetworkQoSPlacementTestBase): required_extensions = ['port-resource-request', 'qos', 'qos-bw-minimum-ingress'] SMALLEST_POSSIBLE_BW = 1 BANDWIDTH_1 = 1000 BANDWIDTH_2 = 2000 @classmethod def skip_checks(cls): super(MinBwAllocationPlacementTest, cls).skip_checks() if not CONF.network_feature_enabled.qos_placement_physnet: msg = "Skipped as no physnet is available in config for " \ "placement based QoS allocation." raise cls.skipException(msg) def setUp(self): super(MinBwAllocationPlacementTest, self).setUp() self._check_if_allocation_is_possible() def _create_policy_and_min_bw_rule( self, name_prefix, min_kbps, direction="ingress" ): policy = self.qos_client.create_qos_policy( name=data_utils.rand_name(name_prefix), shared=True)['policy'] self.addCleanup(test_utils.call_and_ignore_notfound_exc, self.qos_client.delete_qos_policy, policy['id']) rule = self.qos_min_bw_client.create_minimum_bandwidth_rule( policy['id'], **{ 'min_kbps': min_kbps, 'direction': direction, })['minimum_bandwidth_rule'] self.addCleanup( test_utils.call_and_ignore_notfound_exc, self.qos_min_bw_client.delete_minimum_bandwidth_rule, policy['id'], rule['id']) return policy def _create_qos_basic_policies(self): self.qos_policy_valid = self._create_policy_and_min_bw_rule( name_prefix='test_policy_valid', min_kbps=self.SMALLEST_POSSIBLE_BW) self.qos_policy_not_valid = self._create_policy_and_min_bw_rule( name_prefix='test_policy_not_valid', min_kbps=self.PLACEMENT_MAX_INT) def _create_qos_policies_from_life(self): # For tempest-slow the max bandwidth configured is 1000000, # https://opendev.org/openstack/tempest/src/branch/master/ # .zuul.yaml#L416-L420 self.qos_policy_1 = self._create_policy_and_min_bw_rule( name_prefix='test_policy_1', min_kbps=self.BANDWIDTH_1 ) self.qos_policy_2 = self._create_policy_and_min_bw_rule( name_prefix='test_policy_2', min_kbps=self.BANDWIDTH_2 ) def _create_network_and_qos_policies(self, policy_method): physnet_name = CONF.network_feature_enabled.qos_placement_physnet base_segm = \ CONF.network_feature_enabled.provider_net_base_segmentation_id self.prov_network, _, _ = self.setup_network_subnet_with_router( networks_client=self.networks_client, routers_client=self.routers_client, subnets_client=self.subnets_client, **{ 'shared': True, 'provider:network_type': 'vlan', 'provider:physical_network': physnet_name, 'provider:segmentation_id': base_segm }) policy_method() def _check_if_allocation_is_possible(self): alloc_candidates = self.placement_client.list_allocation_candidates( resources1='%s:%s' % (self.INGRESS_RESOURCE_CLASS, self.SMALLEST_POSSIBLE_BW)) if len(alloc_candidates['provider_summaries']) == 0: self.fail('No allocation candidates are available for %s:%s' % (self.INGRESS_RESOURCE_CLASS, self.SMALLEST_POSSIBLE_BW)) # Just to be sure check with impossible high (placement max_int), # allocation alloc_candidates = self.placement_client.list_allocation_candidates( resources1='%s:%s' % (self.INGRESS_RESOURCE_CLASS, self.PLACEMENT_MAX_INT)) if len(alloc_candidates['provider_summaries']) != 0: self.fail('For %s:%s there should be no available candidate!' % (self.INGRESS_RESOURCE_CLASS, self.PLACEMENT_MAX_INT)) def _boot_vm_with_min_bw(self, qos_policy_id, status='ACTIVE'): wait_until = (None if status == 'ERROR' else status) port = self.create_port( self.prov_network['id'], qos_policy_id=qos_policy_id) server = self.create_server(networks=[{'port': port['id']}], wait_until=wait_until) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status=status, ready_wait=False, raise_on_error=False) return server, port def _assert_allocation_is_as_expected( self, consumer, port_ids, min_kbps=SMALLEST_POSSIBLE_BW, expected_rc=NetworkQoSPlacementTestBase.INGRESS_RESOURCE_CLASS, ): allocations = self.placement_client.list_allocations( consumer)['allocations'] self.assertGreater(len(allocations), 0) bw_resource_in_alloc = False allocation_rp = None for rp, resources in allocations.items(): if expected_rc in resources['resources']: self.assertEqual( min_kbps, resources['resources'][expected_rc]) bw_resource_in_alloc = True allocation_rp = rp if min_kbps: self.assertTrue( bw_resource_in_alloc, f"expected {min_kbps} bandwidth allocation from {expected_rc} " f"but instance has allocation {allocations} instead." ) # Check binding_profile of the port is not empty and equals with # the rp uuid for port_id in port_ids: port = self.os_admin.ports_client.show_port(port_id) port_binding_alloc = port['port']['binding:profile'][ 'allocation'] # NOTE(gibi): the format of the allocation key depends on the # existence of port-resource-request-groups API extension. # TODO(gibi): drop the else branch once tempest does not need # to support Xena release any more. if utils.is_extension_enabled( 'port-resource-request-groups', 'network'): self.assertEqual( {allocation_rp}, set(port_binding_alloc.values())) else: self.assertEqual(allocation_rp, port_binding_alloc)
[docs] @decorators.idempotent_id('78625d92-212c-400e-8695-dd51706858b8') @utils.services('compute', 'network') def test_qos_min_bw_allocation_basic(self): """"Basic scenario with QoS min bw allocation in placement. Steps: * Create prerequisites: ** VLAN type provider network with subnet. ** valid QoS policy with minimum bandwidth rule with min_kbps=1 (This is a simplification to skip the checks in placement for detecting the resource provider tree and inventories, as if bandwidth resource is available 1 kbs will be available). ** invalid QoS policy with minimum bandwidth rule with min_kbs=max integer from placement (this is a simplification again to avoid detection of RP tress and inventories, as placement will reject such big allocation). * Create port with valid QoS policy, and boot VM with that, it should pass. * Create port with invalid QoS policy, and try to boot VM with that, it should fail. """ self._create_network_and_qos_policies(self._create_qos_basic_policies) server1, valid_port = self._boot_vm_with_min_bw( qos_policy_id=self.qos_policy_valid['id']) self._assert_allocation_is_as_expected(server1['id'], [valid_port['id']]) server2, not_valid_port = self._boot_vm_with_min_bw( self.qos_policy_not_valid['id'], status='ERROR') allocations = self.placement_client.list_allocations(server2['id']) self.assertEqual(0, len(allocations['allocations'])) server2 = self.servers_client.show_server(server2['id']) self.assertIn('fault', server2['server']) self.assertIn('No valid host', server2['server']['fault']['message']) # Check that binding_profile of the port is empty port = self.os_admin.ports_client.show_port(not_valid_port['id']) self.assertEqual(0, len(port['port']['binding:profile']))
[docs] @decorators.idempotent_id('8a98150c-a506-49a5-96c6-73a5e7b04ada') @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration, 'Cold migration is not available.') @testtools.skipUnless(CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode ' 'tests.') @utils.services('compute', 'network') def test_migrate_with_qos_min_bw_allocation(self): """Scenario to migrate VM with QoS min bw allocation in placement Boot a VM like in test_qos_min_bw_allocation_basic, do the same checks, and * migrate the server * confirm the resize, if the VM state is VERIFY_RESIZE * If the VM goes to ACTIVE state check that allocations are as expected. """ self._create_network_and_qos_policies(self._create_qos_basic_policies) server, valid_port = self._boot_vm_with_min_bw( qos_policy_id=self.qos_policy_valid['id']) self._assert_allocation_is_as_expected(server['id'], [valid_port['id']]) self.os_adm.servers_client.migrate_server(server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='VERIFY_RESIZE', ready_wait=False, raise_on_error=False) # TODO(lajoskatona): Check that the allocations are ok for the # migration? self._assert_allocation_is_as_expected(server['id'], [valid_port['id']]) self.os_adm.servers_client.confirm_resize_server( server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ACTIVE', ready_wait=False, raise_on_error=True) self._assert_allocation_is_as_expected(server['id'], [valid_port['id']])
[docs] @decorators.idempotent_id('c29e7fd3-035d-4993-880f-70819847683f') @testtools.skipUnless(CONF.compute_feature_enabled.resize, 'Resize not available.') @utils.services('compute', 'network') def test_resize_with_qos_min_bw_allocation(self): """Scenario to resize VM with QoS min bw allocation in placement. Boot a VM like in test_qos_min_bw_allocation_basic, do the same checks, and * resize the server with new flavor * confirm the resize, if the VM state is VERIFY_RESIZE * If the VM goes to ACTIVE state check that allocations are as expected. """ self._create_network_and_qos_policies(self._create_qos_basic_policies) server, valid_port = self._boot_vm_with_min_bw( qos_policy_id=self.qos_policy_valid['id']) self._assert_allocation_is_as_expected(server['id'], [valid_port['id']]) new_flavor = self._create_flavor_to_resize_to() self.servers_client.resize_server( server_id=server['id'], flavor_ref=new_flavor['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='VERIFY_RESIZE', ready_wait=False, raise_on_error=False) # TODO(lajoskatona): Check that the allocations are ok for the # migration? self._assert_allocation_is_as_expected(server['id'], [valid_port['id']]) self.servers_client.confirm_resize_server(server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ACTIVE', ready_wait=False, raise_on_error=True) self._assert_allocation_is_as_expected(server['id'], [valid_port['id']])
[docs] @decorators.idempotent_id('79fdaa1c-df62-4738-a0f0-1cff9dc415f6') @utils.services('compute', 'network') def test_qos_min_bw_allocation_update_policy(self): """Test the update of QoS policy on bound port Related RFE in neutron: #1882804 The scenario is the following: * Have a port with QoS policy and minimum bandwidth rule. * Boot a VM with the port. * Update the port with a new policy with different minimum bandwidth values. * The allocation on placement side should be according to the new rules. """ if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") self._create_network_and_qos_policies( self._create_qos_policies_from_life) port = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_1['id']) server1 = self.create_server( networks=[{'port': port['id']}]) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1) self.ports_client.update_port( port['id'], **{'qos_policy_id': self.qos_policy_2['id']}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_2) # I changed my mind self.ports_client.update_port( port['id'], **{'qos_policy_id': self.qos_policy_1['id']}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1) # bad request.... self.qos_policy_not_valid = self._create_policy_and_min_bw_rule( name_prefix='test_policy_not_valid', min_kbps=self.PLACEMENT_MAX_INT) port_orig = self.ports_client.show_port(port['id'])['port'] self.assertRaises( lib_exc.Conflict, self.ports_client.update_port, port['id'], **{'qos_policy_id': self.qos_policy_not_valid['id']}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1) port_upd = self.ports_client.show_port(port['id'])['port'] self.assertEqual(port_orig['qos_policy_id'], port_upd['qos_policy_id']) self.assertEqual(self.qos_policy_1['id'], port_upd['qos_policy_id'])
[docs] @decorators.idempotent_id('9cfc3bb8-f433-4c91-87b6-747cadc8958a') @utils.services('compute', 'network') def test_qos_min_bw_allocation_update_policy_from_zero(self): """Test port without QoS policy to have QoS policy This scenario checks if updating a port without QoS policy to have QoS policy with minimum_bandwidth rule succeeds only on controlplane, but placement allocation remains 0. """ if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") self._create_network_and_qos_policies( self._create_qos_policies_from_life) port = self.create_port(self.prov_network['id']) server1 = self.create_server( networks=[{'port': port['id']}]) self._assert_allocation_is_as_expected(server1['id'], [port['id']], 0) self.ports_client.update_port( port['id'], **{'qos_policy_id': self.qos_policy_2['id']}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], 0)
[docs] @decorators.idempotent_id('a9725a70-1d28-4e3b-ae0e-450abc235962') @utils.services('compute', 'network') def test_qos_min_bw_allocation_update_policy_to_zero(self): """Test port with QoS policy to remove QoS policy In this scenario port with QoS minimum_bandwidth rule update to remove QoS policy results in 0 placement allocation. """ if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") self._create_network_and_qos_policies( self._create_qos_policies_from_life) port = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_1['id']) server1 = self.create_server( networks=[{'port': port['id']}]) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1) self.ports_client.update_port( port['id'], **{'qos_policy_id': None}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], 0)
[docs] @decorators.idempotent_id('756ced7f-6f1a-43e7-a851-2fcfc16f3dd7') @utils.services('compute', 'network') def test_qos_min_bw_allocation_update_with_multiple_ports(self): if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") self._create_network_and_qos_policies( self._create_qos_policies_from_life) port1 = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_1['id']) port2 = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_2['id']) server1 = self.create_server( networks=[{'port': port1['id']}, {'port': port2['id']}]) self._assert_allocation_is_as_expected( server1['id'], [port1['id'], port2['id']], self.BANDWIDTH_1 + self.BANDWIDTH_2) self.ports_client.update_port( port1['id'], **{'qos_policy_id': self.qos_policy_2['id']}) self._assert_allocation_is_as_expected( server1['id'], [port1['id'], port2['id']], 2 * self.BANDWIDTH_2)
[docs] @decorators.idempotent_id('0805779e-e03c-44fb-900f-ce97a790653b') @utils.services('compute', 'network') def test_empty_update(self): if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") self._create_network_and_qos_policies( self._create_qos_policies_from_life) port = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_1['id']) server1 = self.create_server( networks=[{'port': port['id']}]) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1) self.ports_client.update_port( port['id'], **{'description': 'foo'}) self._assert_allocation_is_as_expected(server1['id'], [port['id']], self.BANDWIDTH_1)
[docs] @decorators.idempotent_id('372b2728-cfed-469a-b5f6-b75779e1ccbe') @utils.services('compute', 'network') def test_qos_min_bw_allocation_update_policy_direction_change(self): """Test QoS min bw direction change on a bound port Related RFE in neutron: #1882804 The scenario is the following: * Have a port with QoS policy and minimum bandwidth rule with ingress direction * Boot a VM with the port. * Update the port with a new policy to egress direction in minimum bandwidth rule. * The allocation on placement side should be according to the new rules. """ if not utils.is_network_feature_enabled('update_port_qos'): raise self.skipException("update_port_qos feature is not enabled") def create_policies(): self.qos_policy_ingress = self._create_policy_and_min_bw_rule( name_prefix='test_policy_ingress', min_kbps=self.BANDWIDTH_1, direction=self.INGRESS_DIRECTION, ) self.qos_policy_egress = self._create_policy_and_min_bw_rule( name_prefix='test_policy_egress', min_kbps=self.BANDWIDTH_1, direction=self.EGRESS_DIRECTION, ) self._create_network_and_qos_policies(create_policies) port = self.create_port( self.prov_network['id'], qos_policy_id=self.qos_policy_ingress['id']) server1 = self.create_server( networks=[{'port': port['id']}]) self._assert_allocation_is_as_expected( server1['id'], [port['id']], self.BANDWIDTH_1, expected_rc=self.INGRESS_RESOURCE_CLASS) self.ports_client.update_port( port['id'], qos_policy_id=self.qos_policy_egress['id']) self._assert_allocation_is_as_expected( server1['id'], [port['id']], self.BANDWIDTH_1, expected_rc=self.EGRESS_RESOURCE_CLASS) self._assert_allocation_is_as_expected( server1['id'], [port['id']], 0, expected_rc=self.INGRESS_RESOURCE_CLASS)
[docs]class QoSBandwidthAndPacketRateTests(NetworkQoSPlacementTestBase): PPS_RESOURCE_CLASS = "NET_PACKET_RATE_KILOPACKET_PER_SEC" @classmethod def skip_checks(cls): super().skip_checks() if not CONF.network_feature_enabled.qos_min_bw_and_pps: msg = ( "Skipped as no resource inventories are configured for QoS " "minimum bandwidth and packet rate testing.") raise cls.skipException(msg) @classmethod def setup_clients(cls): super().setup_clients() cls.qos_min_pps_client = cls.os_admin.qos_min_pps_client def setUp(self): super().setUp() self.network = self._create_network() def _create_qos_policy_with_bw_and_pps_rules(self, min_kbps, min_kpps): policy = self.qos_client.create_qos_policy( name=data_utils.rand_name(), shared=True )['policy'] self.addCleanup( test_utils.call_and_ignore_notfound_exc, self.qos_client.delete_qos_policy, policy['id'] ) if min_kbps > 0: bw_rule = self.qos_min_bw_client.create_minimum_bandwidth_rule( policy['id'], min_kbps=min_kbps, direction=self.INGRESS_DIRECTION )['minimum_bandwidth_rule'] self.addCleanup( test_utils.call_and_ignore_notfound_exc, self.qos_min_bw_client.delete_minimum_bandwidth_rule, policy['id'], bw_rule['id'] ) if min_kpps > 0: pps_rule = self.qos_min_pps_client.create_minimum_packet_rate_rule( policy['id'], min_kpps=min_kpps, direction=self.ANY_DIRECTION )['minimum_packet_rate_rule'] self.addCleanup( test_utils.call_and_ignore_notfound_exc, self.qos_min_pps_client.delete_minimum_packet_rate_rule, policy['id'], pps_rule['id'] ) return policy def _create_network(self): physnet_name = CONF.network_feature_enabled.qos_placement_physnet base_segm = ( CONF.network_feature_enabled.provider_net_base_segmentation_id) # setup_network_subnet_with_router will add the necessary cleanup calls network, _, _ = self.setup_network_subnet_with_router( networks_client=self.networks_client, routers_client=self.routers_client, subnets_client=self.subnets_client, shared=True, **{ 'provider:network_type': 'vlan', 'provider:physical_network': physnet_name, # +1 to be different from the segmentation_id used in # MinBwAllocationPlacementTest 'provider:segmentation_id': int(base_segm) + 1, } ) return network def _create_port_with_qos_policy(self, policy): port = self.ports_client.create_port( name=data_utils.rand_name(self.__class__.__name__), network_id=self.network['id'], qos_policy_id=policy['id'] if policy else None, )['port'] self.addCleanup( test_utils.call_and_ignore_notfound_exc, self.ports_client.delete_port, port['id'] ) return port def assert_allocations( self, server, port, expected_min_kbps, expected_min_kpps ): allocations = self.placement_client.list_allocations( server['id'])['allocations'] # one allocation for the flavor related resources on the compute RP expected_allocation = 1 # one allocation due to bw rule if expected_min_kbps > 0: expected_allocation += 1 # one allocation due to pps rule if expected_min_kpps > 0: expected_allocation += 1 self.assertEqual(expected_allocation, len(allocations), allocations) expected_rp_uuids_in_binding_allocation = set() if expected_min_kbps > 0: bw_rp_allocs = { rp: alloc['resources'][self.INGRESS_RESOURCE_CLASS] for rp, alloc in allocations.items() if self.INGRESS_RESOURCE_CLASS in alloc['resources'] } self.assertEqual(1, len(bw_rp_allocs)) bw_rp, bw_alloc = list(bw_rp_allocs.items())[0] self.assertEqual(expected_min_kbps, bw_alloc) expected_rp_uuids_in_binding_allocation.add(bw_rp) if expected_min_kpps > 0: pps_rp_allocs = { rp: alloc['resources'][self.PPS_RESOURCE_CLASS] for rp, alloc in allocations.items() if self.PPS_RESOURCE_CLASS in alloc['resources'] } self.assertEqual(1, len(pps_rp_allocs)) pps_rp, pps_alloc = list(pps_rp_allocs.items())[0] self.assertEqual(expected_min_kpps, pps_alloc) expected_rp_uuids_in_binding_allocation.add(pps_rp) # Let's check port.binding:profile.allocation points to the two # provider resource allocated from port = self.os_admin.ports_client.show_port(port['id']) port_binding_alloc = port[ 'port']['binding:profile'].get('allocation', {}) self.assertEqual( expected_rp_uuids_in_binding_allocation, set(port_binding_alloc.values()) ) def assert_no_allocation(self, server, port): # check that there are no allocations allocations = self.placement_client.list_allocations( server['id'])['allocations'] self.assertEqual(0, len(allocations)) # check that binding_profile of the port is empty port = self.os_admin.ports_client.show_port(port['id']) self.assertEqual(0, len(port['port']['binding:profile']))
[docs] @decorators.idempotent_id('93d1a88d-235e-4b7b-b44d-2a17dcf4e213') @utils.services('compute', 'network') def test_server_create_delete(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) self.servers_client.delete_server(server['id']) waiters.wait_for_server_termination(self.servers_client, server['id']) self.assert_no_allocation(server, port)
def _test_create_server_negative(self, min_kbps=1000, min_kpps=100): policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until=None) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ERROR', ready_wait=False, raise_on_error=False) # check that the creation failed with No valid host server = self.servers_client.show_server(server['id'])['server'] self.assertIn('fault', server) self.assertIn('No valid host', server['fault']['message']) self.assert_no_allocation(server, port)
[docs] @decorators.idempotent_id('915dd2ce-4890-40c8-9db6-f3e04080c6c1') @utils.services('compute', 'network') def test_server_create_no_valid_host_due_to_bandwidth(self): self._test_create_server_negative(min_kbps=self.PLACEMENT_MAX_INT)
[docs] @decorators.idempotent_id('2d4a755e-10b9-4ac0-bef2-3f89de1f150b') @utils.services('compute', 'network') def test_server_create_no_valid_host_due_to_packet_rate(self): self._test_create_server_negative(min_kpps=self.PLACEMENT_MAX_INT)
[docs] @decorators.idempotent_id('69d93e4f-0dfc-4d17-8d84-cc5c3c842cd5') @testtools.skipUnless( CONF.compute_feature_enabled.resize, 'Resize not available.') @utils.services('compute', 'network') def test_server_resize(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) new_flavor = self._create_flavor_to_resize_to() self.servers_client.resize_server( server_id=server['id'], flavor_ref=new_flavor['id'] ) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='VERIFY_RESIZE', ready_wait=False, raise_on_error=False) self.assert_allocations(server, port, min_kbps, min_kpps) self.servers_client.confirm_resize_server(server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ACTIVE', ready_wait=False, raise_on_error=True) self.assert_allocations(server, port, min_kbps, min_kpps)
[docs] @decorators.idempotent_id('d01d4aee-ca06-4e4e-add7-8a47fe0daf96') @testtools.skipUnless( CONF.compute_feature_enabled.resize, 'Resize not available.') @utils.services('compute', 'network') def test_server_resize_revert(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) new_flavor = self._create_flavor_to_resize_to() self.servers_client.resize_server( server_id=server['id'], flavor_ref=new_flavor['id'] ) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='VERIFY_RESIZE', ready_wait=False, raise_on_error=False) self.assert_allocations(server, port, min_kbps, min_kpps) self.servers_client.revert_resize_server(server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ACTIVE', ready_wait=False, raise_on_error=True) self.assert_allocations(server, port, min_kbps, min_kpps)
[docs] @decorators.idempotent_id('bdd0b31c-c8b0-4b7b-b80a-545a46b32abe') @testtools.skipUnless( CONF.compute_feature_enabled.cold_migration, 'Cold migration is not available.') @testtools.skipUnless( CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode tests.') @utils.services('compute', 'network') def test_server_migrate(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) self.os_adm.servers_client.migrate_server(server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='VERIFY_RESIZE', ready_wait=False, raise_on_error=False) self.assert_allocations(server, port, min_kbps, min_kpps) self.os_adm.servers_client.confirm_resize_server( server_id=server['id']) waiters.wait_for_server_status( client=self.servers_client, server_id=server['id'], status='ACTIVE', ready_wait=False, raise_on_error=True) self.assert_allocations(server, port, min_kbps, min_kpps)
[docs] @decorators.idempotent_id('fdb260e3-caa5-482d-ac7c-8c22adf3d750') @utils.services('compute', 'network') def test_qos_policy_update_on_bound_port(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) min_kbps2 = 2000 min_kpps2 = 50 policy2 = self._create_qos_policy_with_bw_and_pps_rules( min_kbps2, min_kpps2) port = self._create_port_with_qos_policy(policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) self.ports_client.update_port( port['id'], qos_policy_id=policy2['id']) self.assert_allocations(server, port, min_kbps2, min_kpps2)
[docs] @decorators.idempotent_id('e6a20125-a02e-49f5-bcf6-894305ee3715') @utils.services('compute', 'network') def test_qos_policy_update_on_bound_port_from_null_policy(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy=None) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, 0, 0) self.ports_client.update_port( port['id'], qos_policy_id=policy['id']) # NOTE(gibi): This is unintuitive but it is the expected behavior. # If there was no policy attached to the port when the server was # created then neutron still allows adding a policy to the port later # as this operation was support before placement enforcement was added # for the qos minimum bandwidth rule. However neutron cannot create # the placement resource allocation for this port. self.assert_allocations(server, port, 0, 0)
[docs] @decorators.idempotent_id('f5864761-966c-4e49-b430-ac0044b7d658') @utils.services('compute', 'network') def test_qos_policy_update_on_bound_port_additional_rule(self): min_kbps = 1000 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, 0) min_kbps2 = 2000 min_kpps2 = 50 policy2 = self._create_qos_policy_with_bw_and_pps_rules( min_kbps2, min_kpps2) port = self._create_port_with_qos_policy(policy=policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, 0) self.ports_client.update_port( port['id'], qos_policy_id=policy2['id']) # FIXME(gibi): Agree in the spec: do we ignore the pps request or we # reject the update? It seems current implementation goes with # ignoring the additional pps rule. self.assert_allocations(server, port, min_kbps2, 0)
[docs] @decorators.idempotent_id('fbbb9c81-ed21-48c3-bdba-ce2361e93aad') @utils.services('compute', 'network') def test_qos_policy_update_on_bound_port_to_null_policy(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy=policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) self.ports_client.update_port( port['id'], qos_policy_id=None) self.assert_allocations(server, port, 0, 0)
[docs] @decorators.idempotent_id('0393d038-03ad-4844-a0e4-83010f69dabb') @utils.services('compute', 'network') def test_interface_attach_detach(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy=None) port2 = self._create_port_with_qos_policy(policy=policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, 0, 0) self.interface_client.create_interface( server_id=server['id'], port_id=port2['id']) waiters.wait_for_interface_status( self.interface_client, server['id'], port2['id'], 'ACTIVE') self.assert_allocations(server, port2, min_kbps, min_kpps) req_id = self.interface_client.delete_interface( server_id=server['id'], port_id=port2['id']).response['x-openstack-request-id'] waiters.wait_for_interface_detach( self.servers_client, server['id'], port2['id'], req_id) self.assert_allocations(server, port2, 0, 0)
[docs] @decorators.idempotent_id('36ffdb85-6cc2-4cc9-a426-cad5bac8626b') @testtools.skipUnless( CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode tests.') @testtools.skipUnless( CONF.compute_feature_enabled.live_migration, 'Live migration not available') @utils.services('compute', 'network') def test_server_live_migrate(self): min_kbps = 1000 min_kpps = 100 policy = self._create_qos_policy_with_bw_and_pps_rules( min_kbps, min_kpps) port = self._create_port_with_qos_policy(policy=policy) server = self.create_server( networks=[{'port': port['id']}], wait_until='ACTIVE' ) self.assert_allocations(server, port, min_kbps, min_kpps) server_details = self.os_adm.servers_client.show_server(server['id']) source_host = server_details['server']['OS-EXT-SRV-ATTR:host'] self.os_adm.servers_client.live_migrate_server( server['id'], block_migration=True, host=None) waiters.wait_for_server_status( self.servers_client, server['id'], 'ACTIVE') server_details = self.os_adm.servers_client.show_server(server['id']) new_host = server_details['server']['OS-EXT-SRV-ATTR:host'] self.assertNotEqual(source_host, new_host, "Live migration failed") self.assert_allocations(server, port, min_kbps, min_kpps)