178 lines
6.1 KiB
Python
178 lines
6.1 KiB
Python
# Copyright (C) 2014 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import testscenarios
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from nodepool import tests
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from nodepool import allocation
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class OneLabel(tests.AllocatorTestCase):
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"""The simplest case: one each of providers, labels, and
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targets.
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Result AGT is:
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* label1 from provider1
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"""
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scenarios = [
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('one_node',
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dict(provider1=10, label1=1, results=[1])),
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('two_nodes',
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dict(provider1=10, label1=2, results=[2])),
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]
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def setUp(self):
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super(OneLabel, self).setUp()
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ap1 = allocation.AllocationProvider('provider1', self.provider1)
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at1 = allocation.AllocationTarget('target1')
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ar1 = allocation.AllocationRequest('label1', self.label1)
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ar1.addTarget(at1, 0)
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self.agt.append(ar1.addProvider(ap1, at1, 0)[1])
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ap1.makeGrants()
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class TwoLabels(tests.AllocatorTestCase):
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"""Two labels from one provider.
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Result AGTs are:
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* label1 from provider1
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* label1 from provider2
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"""
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scenarios = [
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('one_node',
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dict(provider1=10, label1=1, label2=1, results=[1, 1])),
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('two_nodes',
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dict(provider1=10, label1=2, label2=2, results=[2, 2])),
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]
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def setUp(self):
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super(TwoLabels, self).setUp()
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ap1 = allocation.AllocationProvider('provider1', self.provider1)
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at1 = allocation.AllocationTarget('target1')
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ar1 = allocation.AllocationRequest('label1', self.label1)
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ar2 = allocation.AllocationRequest('label2', self.label2)
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ar1.addTarget(at1, 0)
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ar2.addTarget(at1, 0)
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self.agt.append(ar1.addProvider(ap1, at1, 0)[1])
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self.agt.append(ar2.addProvider(ap1, at1, 0)[1])
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ap1.makeGrants()
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class TwoProvidersTwoLabels(tests.AllocatorTestCase):
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"""Two labels, each of which is supplied by both providers.
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Result AGTs are:
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* label1 from provider1
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* label2 from provider1
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* label1 from provider2
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* label2 from provider2
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"""
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scenarios = [
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('one_node',
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dict(provider1=10, provider2=10, label1=1, label2=1,
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results=[1, 1, 0, 0])),
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('two_nodes',
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dict(provider1=10, provider2=10, label1=2, label2=2,
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results=[1, 1, 1, 1])),
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('three_nodes',
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dict(provider1=10, provider2=10, label1=3, label2=3,
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results=[2, 2, 1, 1])),
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('four_nodes',
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dict(provider1=10, provider2=10, label1=4, label2=4,
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results=[2, 2, 2, 2])),
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('four_nodes_at_quota',
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dict(provider1=4, provider2=4, label1=4, label2=4,
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results=[2, 2, 2, 2])),
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('four_nodes_over_quota',
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dict(provider1=2, provider2=2, label1=4, label2=4,
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results=[1, 1, 1, 1])),
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]
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def setUp(self):
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super(TwoProvidersTwoLabels, self).setUp()
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ap1 = allocation.AllocationProvider('provider1', self.provider1)
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ap2 = allocation.AllocationProvider('provider2', self.provider1)
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at1 = allocation.AllocationTarget('target1')
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ar1 = allocation.AllocationRequest('label1', self.label1)
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ar2 = allocation.AllocationRequest('label2', self.label2)
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ar1.addTarget(at1, 0)
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ar2.addTarget(at1, 0)
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self.agt.append(ar1.addProvider(ap1, at1, 0)[1])
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self.agt.append(ar2.addProvider(ap1, at1, 0)[1])
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self.agt.append(ar1.addProvider(ap2, at1, 0)[1])
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self.agt.append(ar2.addProvider(ap2, at1, 0)[1])
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ap1.makeGrants()
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ap2.makeGrants()
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class TwoProvidersTwoLabelsOneShared(tests.AllocatorTestCase):
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"""One label is served by both providers, the other can only come
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from one. This tests that the allocator uses the diverse provider
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to supply the label that can come from either while reserving
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nodes from the more restricted provider for the label that can
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only be supplied by it.
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label1 is supplied by provider1 and provider2.
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label2 is supplied only by provider2.
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Result AGTs are:
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* label1 from provider1
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* label2 from provider1
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* label2 from provider2
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"""
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scenarios = [
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('one_node',
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dict(provider1=10, provider2=10, label1=1, label2=1,
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results=[1, 1, 0])),
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('two_nodes',
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dict(provider1=10, provider2=10, label1=2, label2=2,
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results=[2, 1, 1])),
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('three_nodes',
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dict(provider1=10, provider2=10, label1=3, label2=3,
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results=[3, 2, 1])),
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('four_nodes',
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dict(provider1=10, provider2=10, label1=4, label2=4,
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results=[4, 2, 2])),
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('four_nodes_at_quota',
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dict(provider1=4, provider2=4, label1=4, label2=4,
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results=[4, 0, 4])),
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('four_nodes_over_quota',
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dict(provider1=2, provider2=2, label1=4, label2=4,
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results=[2, 0, 2])),
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]
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def setUp(self):
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super(TwoProvidersTwoLabelsOneShared, self).setUp()
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ap1 = allocation.AllocationProvider('provider1', self.provider1)
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ap2 = allocation.AllocationProvider('provider2', self.provider1)
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at1 = allocation.AllocationTarget('target1')
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ar1 = allocation.AllocationRequest('label1', self.label1)
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ar2 = allocation.AllocationRequest('label2', self.label2)
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ar1.addTarget(at1, 0)
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ar2.addTarget(at1, 0)
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self.agt.append(ar1.addProvider(ap1, at1, 0)[1])
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self.agt.append(ar2.addProvider(ap1, at1, 0)[1])
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self.agt.append(ar2.addProvider(ap2, at1, 0)[1])
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ap1.makeGrants()
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ap2.makeGrants()
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def load_tests(loader, in_tests, pattern):
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return testscenarios.load_tests_apply_scenarios(loader, in_tests, pattern)
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