OpenStack Testing (Tempest) of an existing cloud
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# 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
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
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)
@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']))
@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']])
@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']])
@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'])
@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)
@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)
@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)
@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)
@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)
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']))
@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)
@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)
@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)
@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)
@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)
@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)
@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)
@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)
@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)
@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)
@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)
@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)