87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
# Copyright 2017 Cloudbase Solutions SRL
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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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import testtools
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from oswin_tempest_plugin import config
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from oswin_tempest_plugin.tests._mixins import resize
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CONF = config.CONF
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class _OptionalFeatureMixin(resize._ResizeUtils):
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"""Optional Feature mixin.
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Some features are optional, and can be turned on / off through resize
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with certain flavors.
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Examples of optional features: vNUMA, QoS, SR-IOV, PCI passthrough,
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RemoteFX.
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This mixin will add the following tests:
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* test_feature
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* test_resize_add_feature
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* test_resize_remove_feature
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The resize tests will create a new instance, resize it to a new flavor (
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turning on / off the optional feature), and check its network
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connectivity.
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The optional feature flavor is based on the test suite's configured
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_FLAVOR_REF (typically compute.flavor_ref or compute.flavor_ref_alt),
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with some updates. For example, if the vNUMA configuration is to be tested,
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the new flavor would contain the flavor extra_spec {'hw:numa_nodes="1"'}.
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Keep in mind that all the extra_spec keys and values have to be strings.
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"""
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# NOTE(claudiub): This flavor dict contains updates to the base flavor
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# tempest is configured with. For example, _FEATURE_FLAVOR can be:
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# _BIGGER_FLAVOR = {'extra_specs': {'hw:numa_nodes': 1'}}
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# which means a flavor having that flavor extra_spec will be created, and
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# a created instance will be resize to / from it.
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_FEATURE_FLAVOR = {}
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def _get_flavor_ref(self):
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"""Gets a new optional feature flavor ref.
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Creates a new flavor based on the test suite's configured _FLAVOR_REF,
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with some updates specific to the optional feature.
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:returns: nova flavor ID.
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"""
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# NOTE(claudiub): Unless explicitly given another flavor,
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# _create_server will call this method to get the flavor reference
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# needed to spawn a new instance. Thus, any other test will spawn
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# instances with this Optional Feature.
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new_flavor = self._create_new_flavor(self._FLAVOR_REF,
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self._FEATURE_FLAVOR)
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return new_flavor['id']
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def test_feature(self):
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server_tuple = self._create_server()
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self._check_server_connectivity(server_tuple)
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@testtools.skipUnless(CONF.compute_feature_enabled.resize,
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'Resize is not available.')
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def test_resize_add_feature(self):
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new_flavor = self._get_flavor_ref()
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self._check_resize(new_flavor, self._FLAVOR_REF)
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@testtools.skipUnless(CONF.compute_feature_enabled.resize,
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'Resize is not available.')
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def test_resize_remove_feature(self):
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new_flavor = self._get_flavor_ref()
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self._check_resize(self._FLAVOR_REF, new_flavor)
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