Remove deprecated Grizzly code.
Now that Havana development has started remove code deprecated in Grizzly. Change-Id: Ie3e7611347c334c359dea98d759345b97c66c9c1
This commit is contained in:
Joe Gordon
@@ -1,143 +0,0 @@
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# Copyright 2011-2012 OpenStack Foundation
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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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"""
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Tests For Least Cost functions.
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"""
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from oslo.config import cfg
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from nova import context
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from nova.scheduler import weights
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from nova.scheduler.weights import least_cost
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from nova import test
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from nova.tests.scheduler import fakes
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test_least_cost_opts = [
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cfg.FloatOpt('compute_fake_weigher1_weight',
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default=2.0,
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help='How much weight to give the fake_weigher1 function'),
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cfg.FloatOpt('compute_fake_weigher2_weight',
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default=1.0,
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help='How much weight to give the fake_weigher2 function'),
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]
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CONF = cfg.CONF
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CONF.import_opt('least_cost_functions', 'nova.scheduler.weights.least_cost')
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CONF.import_opt('compute_fill_first_cost_fn_weight',
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'nova.scheduler.weights.least_cost')
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CONF.register_opts(test_least_cost_opts)
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def compute_fake_weigher1(hostinfo, options):
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return hostinfo.free_ram_mb + 10000
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def compute_fake_weigher2(hostinfo, options):
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return hostinfo.free_ram_mb * 2
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class LeastCostTestCase(test.TestCase):
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def setUp(self):
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super(LeastCostTestCase, self).setUp()
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self.host_manager = fakes.FakeHostManager()
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self.weight_handler = weights.HostWeightHandler()
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def _get_weighed_host(self, hosts, weight_properties=None):
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weigher_classes = least_cost.get_least_cost_weighers()
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if weight_properties is None:
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weight_properties = {}
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return self.weight_handler.get_weighed_objects(weigher_classes,
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hosts, weight_properties)[0]
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def _get_all_hosts(self):
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ctxt = context.get_admin_context()
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fakes.mox_host_manager_db_calls(self.mox, ctxt)
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self.mox.ReplayAll()
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host_states = self.host_manager.get_all_host_states(ctxt)
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self.mox.VerifyAll()
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self.mox.ResetAll()
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return host_states
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def test_default_of_spread_first(self):
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# Default modifier is -1.0, so it turns out that hosts with
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# the most free memory win
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hostinfo_list = self._get_all_hosts()
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# host1: free_ram_mb=512
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# host2: free_ram_mb=1024
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# host3: free_ram_mb=3072
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# host4: free_ram_mb=8192
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# so, host1 should win:
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weighed_host = self._get_weighed_host(hostinfo_list)
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self.assertEqual(weighed_host.weight, 8192)
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self.assertEqual(weighed_host.obj.host, 'host4')
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def test_filling_first(self):
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self.flags(compute_fill_first_cost_fn_weight=1.0)
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hostinfo_list = self._get_all_hosts()
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# host1: free_ram_mb=-512
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# host2: free_ram_mb=-1024
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# host3: free_ram_mb=-3072
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# host4: free_ram_mb=-8192
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# so, host1 should win:
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weighed_host = self._get_weighed_host(hostinfo_list)
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self.assertEqual(weighed_host.weight, -512)
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self.assertEqual(weighed_host.obj.host, 'host1')
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def test_weighted_sum_provided_method(self):
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fns = ['nova.tests.scheduler.test_least_cost.compute_fake_weigher1',
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'nova.tests.scheduler.test_least_cost.compute_fake_weigher2']
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self.flags(least_cost_functions=fns)
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hostinfo_list = self._get_all_hosts()
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# host1: free_ram_mb=512
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# host2: free_ram_mb=1024
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# host3: free_ram_mb=3072
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# host4: free_ram_mb=8192
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# [offset, scale]=
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# [10512, 11024, 13072, 18192]
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# [1024, 2048, 6144, 16384]
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# adjusted [ 2.0 * x + 1.0 * y] =
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# [22048, 24096, 32288, 52768]
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# so, host1 should win:
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weighed_host = self._get_weighed_host(hostinfo_list)
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self.assertEqual(weighed_host.weight, 52768)
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self.assertEqual(weighed_host.obj.host, 'host4')
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def test_weighted_sum_single_function(self):
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fns = ['nova.tests.scheduler.test_least_cost.compute_fake_weigher1']
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self.flags(least_cost_functions=fns)
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hostinfo_list = self._get_all_hosts()
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# host1: free_ram_mb=0
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# host2: free_ram_mb=1536
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# host3: free_ram_mb=3072
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# host4: free_ram_mb=8192
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# [offset, ]=
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# [10512, 11024, 13072, 18192]
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# adjusted [ 2.0 * x ]=
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# [21024, 22048, 26144, 36384]
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# so, host1 should win:
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weighed_host = self._get_weighed_host(hostinfo_list)
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self.assertEqual(weighed_host.weight, 36384)
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self.assertEqual(weighed_host.obj.host, 'host4')
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