413 lines
16 KiB
Python
413 lines
16 KiB
Python
# Copyright (c) 2014 OpenStack Foundation
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# Copyright (c) 2011 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 IronicHostManager
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"""
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import mock
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from nova import db
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from nova import exception
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from nova.openstack.common import jsonutils
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from nova.scheduler import filters
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from nova.scheduler import host_manager
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from nova.scheduler import ironic_host_manager
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from nova import test
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from nova.tests.scheduler import ironic_fakes
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class FakeFilterClass1(filters.BaseHostFilter):
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def host_passes(self, host_state, filter_properties):
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pass
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class FakeFilterClass2(filters.BaseHostFilter):
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def host_passes(self, host_state, filter_properties):
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pass
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class IronicHostManagerTestCase(test.NoDBTestCase):
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"""Test case for IronicHostManager class."""
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def setUp(self):
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super(IronicHostManagerTestCase, self).setUp()
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self.host_manager = ironic_host_manager.IronicHostManager()
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def test_get_all_host_states(self):
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# Ensure .service is set and we have the values we expect to.
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context = 'fake_context'
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self.mox.StubOutWithMock(db, 'compute_node_get_all')
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db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES)
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self.mox.ReplayAll()
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self.host_manager.get_all_host_states(context)
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host_states_map = self.host_manager.host_state_map
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self.assertEqual(len(host_states_map), 4)
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for i in range(4):
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compute_node = ironic_fakes.COMPUTE_NODES[i]
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host = compute_node['service']['host']
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node = compute_node['hypervisor_hostname']
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state_key = (host, node)
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self.assertEqual(compute_node['service'],
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host_states_map[state_key].service)
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self.assertEqual(jsonutils.loads(compute_node['stats']),
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host_states_map[state_key].stats)
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self.assertEqual(compute_node['free_ram_mb'],
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host_states_map[state_key].free_ram_mb)
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self.assertEqual(compute_node['free_disk_gb'] * 1024,
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host_states_map[state_key].free_disk_mb)
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class IronicHostManagerChangedNodesTestCase(test.NoDBTestCase):
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"""Test case for IronicHostManager class."""
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def setUp(self):
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super(IronicHostManagerChangedNodesTestCase, self).setUp()
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self.host_manager = ironic_host_manager.IronicHostManager()
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ironic_driver = "nova.virt.ironic.driver.IronicDriver"
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supported_instances = '[["i386", "baremetal", "baremetal"]]'
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self.compute_node = dict(id=1, local_gb=10, memory_mb=1024, vcpus=1,
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vcpus_used=0, local_gb_used=0, memory_mb_used=0,
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updated_at=None, cpu_info='baremetal cpu',
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stats=jsonutils.dumps(dict(
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ironic_driver=ironic_driver,
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cpu_arch='i386')),
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supported_instances=supported_instances,
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free_disk_gb=10, free_ram_mb=1024)
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@mock.patch.object(ironic_host_manager.IronicNodeState, '__init__')
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def test_create_ironic_node_state(self, init_mock):
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init_mock.return_value = None
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compute = {'cpu_info': 'baremetal cpu'}
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host_state = self.host_manager.host_state_cls('fake-host', 'fake-node',
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compute=compute)
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self.assertIs(ironic_host_manager.IronicNodeState, type(host_state))
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@mock.patch.object(host_manager.HostState, '__init__')
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def test_create_non_ironic_host_state(self, init_mock):
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init_mock.return_value = None
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compute = {'cpu_info': 'other cpu'}
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host_state = self.host_manager.host_state_cls('fake-host', 'fake-node',
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compute=compute)
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self.assertIs(host_manager.HostState, type(host_state))
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def test_get_all_host_states_after_delete_one(self):
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context = 'fake_context'
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self.mox.StubOutWithMock(db, 'compute_node_get_all')
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# all nodes active for first call
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db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES)
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# remove node4 for second call
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running_nodes = [n for n in ironic_fakes.COMPUTE_NODES
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if n.get('hypervisor_hostname') != 'node4uuid']
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db.compute_node_get_all(context).AndReturn(running_nodes)
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self.mox.ReplayAll()
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self.host_manager.get_all_host_states(context)
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self.host_manager.get_all_host_states(context)
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host_states_map = self.host_manager.host_state_map
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self.assertEqual(3, len(host_states_map))
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def test_get_all_host_states_after_delete_all(self):
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context = 'fake_context'
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self.mox.StubOutWithMock(db, 'compute_node_get_all')
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# all nodes active for first call
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db.compute_node_get_all(context).AndReturn(ironic_fakes.COMPUTE_NODES)
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# remove all nodes for second call
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db.compute_node_get_all(context).AndReturn([])
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self.mox.ReplayAll()
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self.host_manager.get_all_host_states(context)
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self.host_manager.get_all_host_states(context)
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host_states_map = self.host_manager.host_state_map
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self.assertEqual(0, len(host_states_map))
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def test_update_from_compute_node(self):
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host = ironic_host_manager.IronicNodeState("fakehost", "fakenode")
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host.update_from_compute_node(self.compute_node)
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self.assertEqual(1024, host.free_ram_mb)
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self.assertEqual(1024, host.total_usable_ram_mb)
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self.assertEqual(10240, host.free_disk_mb)
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self.assertEqual(1, host.vcpus_total)
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self.assertEqual(0, host.vcpus_used)
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self.assertEqual(jsonutils.loads(self.compute_node['stats']),
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host.stats)
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def test_consume_identical_instance_from_compute(self):
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host = ironic_host_manager.IronicNodeState("fakehost", "fakenode")
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host.update_from_compute_node(self.compute_node)
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instance = dict(root_gb=10, ephemeral_gb=0, memory_mb=1024, vcpus=1)
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host.consume_from_instance('fake-context', instance)
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self.assertEqual(1, host.vcpus_used)
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self.assertEqual(0, host.free_ram_mb)
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self.assertEqual(0, host.free_disk_mb)
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def test_consume_larger_instance_from_compute(self):
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host = ironic_host_manager.IronicNodeState("fakehost", "fakenode")
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host.update_from_compute_node(self.compute_node)
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instance = dict(root_gb=20, ephemeral_gb=0, memory_mb=2048, vcpus=2)
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host.consume_from_instance('fake-context', instance)
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self.assertEqual(1, host.vcpus_used)
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self.assertEqual(0, host.free_ram_mb)
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self.assertEqual(0, host.free_disk_mb)
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def test_consume_smaller_instance_from_compute(self):
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host = ironic_host_manager.IronicNodeState("fakehost", "fakenode")
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host.update_from_compute_node(self.compute_node)
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instance = dict(root_gb=5, ephemeral_gb=0, memory_mb=512, vcpus=1)
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host.consume_from_instance('fake-context', instance)
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self.assertEqual(1, host.vcpus_used)
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self.assertEqual(0, host.free_ram_mb)
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self.assertEqual(0, host.free_disk_mb)
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class IronicHostManagerTestFilters(test.NoDBTestCase):
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"""Test filters work for IronicHostManager."""
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def setUp(self):
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super(IronicHostManagerTestFilters, self).setUp()
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self.host_manager = ironic_host_manager.IronicHostManager()
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self.fake_hosts = [ironic_host_manager.IronicNodeState(
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'fake_host%s' % x, 'fake-node') for x in range(1, 5)]
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self.fake_hosts += [ironic_host_manager.IronicNodeState(
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'fake_multihost', 'fake-node%s' % x) for x in range(1, 5)]
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def test_choose_host_filters_not_found(self):
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self.flags(scheduler_default_filters='FakeFilterClass3')
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self.host_manager.filter_classes = [FakeFilterClass1,
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FakeFilterClass2]
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self.assertRaises(exception.SchedulerHostFilterNotFound,
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self.host_manager._choose_host_filters, None)
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def test_choose_host_filters(self):
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self.flags(scheduler_default_filters=['FakeFilterClass2'])
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self.host_manager.filter_classes = [FakeFilterClass1,
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FakeFilterClass2]
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# Test we returns 1 correct function
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filter_classes = self.host_manager._choose_host_filters(None)
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self.assertEqual(1, len(filter_classes))
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self.assertEqual('FakeFilterClass2', filter_classes[0].__name__)
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def _mock_get_filtered_hosts(self, info, specified_filters=None):
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self.mox.StubOutWithMock(self.host_manager, '_choose_host_filters')
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info['got_objs'] = []
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info['got_fprops'] = []
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def fake_filter_one(_self, obj, filter_props):
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info['got_objs'].append(obj)
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info['got_fprops'].append(filter_props)
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return True
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self.stubs.Set(FakeFilterClass1, '_filter_one', fake_filter_one)
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self.host_manager._choose_host_filters(specified_filters).AndReturn(
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[FakeFilterClass1])
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def _verify_result(self, info, result, filters=True):
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for x in info['got_fprops']:
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self.assertEqual(x, info['expected_fprops'])
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if filters:
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self.assertEqual(set(info['expected_objs']), set(info['got_objs']))
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self.assertEqual(set(info['expected_objs']), set(result))
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def test_get_filtered_hosts(self):
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fake_properties = {'moo': 1, 'cow': 2}
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info = {'expected_objs': self.fake_hosts,
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result)
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def test_get_filtered_hosts_with_specified_filters(self):
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fake_properties = {'moo': 1, 'cow': 2}
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specified_filters = ['FakeFilterClass1', 'FakeFilterClass2']
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info = {'expected_objs': self.fake_hosts,
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info, specified_filters)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties, filter_class_names=specified_filters)
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self._verify_result(info, result)
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def test_get_filtered_hosts_with_ignore(self):
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fake_properties = {'ignore_hosts': ['fake_host1', 'fake_host3',
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'fake_host5', 'fake_multihost']}
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# [1] and [3] are host2 and host4
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info = {'expected_objs': [self.fake_hosts[1], self.fake_hosts[3]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result)
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def test_get_filtered_hosts_with_force_hosts(self):
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fake_properties = {'force_hosts': ['fake_host1', 'fake_host3',
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'fake_host5']}
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# [0] and [2] are host1 and host3
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info = {'expected_objs': [self.fake_hosts[0], self.fake_hosts[2]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_no_matching_force_hosts(self):
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fake_properties = {'force_hosts': ['fake_host5', 'fake_host6']}
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info = {'expected_objs': [],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_ignore_and_force_hosts(self):
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# Ensure ignore_hosts processed before force_hosts in host filters.
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fake_properties = {'force_hosts': ['fake_host3', 'fake_host1'],
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'ignore_hosts': ['fake_host1']}
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# only fake_host3 should be left.
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info = {'expected_objs': [self.fake_hosts[2]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_force_host_and_many_nodes(self):
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# Ensure all nodes returned for a host with many nodes
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fake_properties = {'force_hosts': ['fake_multihost']}
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info = {'expected_objs': [self.fake_hosts[4], self.fake_hosts[5],
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self.fake_hosts[6], self.fake_hosts[7]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_force_nodes(self):
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fake_properties = {'force_nodes': ['fake-node2', 'fake-node4',
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'fake-node9']}
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# [5] is fake-node2, [7] is fake-node4
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info = {'expected_objs': [self.fake_hosts[5], self.fake_hosts[7]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_force_hosts_and_nodes(self):
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# Ensure only overlapping results if both force host and node
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fake_properties = {'force_hosts': ['fake_host1', 'fake_multihost'],
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'force_nodes': ['fake-node2', 'fake-node9']}
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# [5] is fake-node2
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info = {'expected_objs': [self.fake_hosts[5]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_force_hosts_and_wrong_nodes(self):
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# Ensure non-overlapping force_node and force_host yield no result
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fake_properties = {'force_hosts': ['fake_multihost'],
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'force_nodes': ['fake-node']}
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info = {'expected_objs': [],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_ignore_hosts_and_force_nodes(self):
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# Ensure ignore_hosts can coexist with force_nodes
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fake_properties = {'force_nodes': ['fake-node4', 'fake-node2'],
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'ignore_hosts': ['fake_host1', 'fake_host2']}
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info = {'expected_objs': [self.fake_hosts[5], self.fake_hosts[7]],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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def test_get_filtered_hosts_with_ignore_hosts_and_force_same_nodes(self):
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# Ensure ignore_hosts is processed before force_nodes
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fake_properties = {'force_nodes': ['fake_node4', 'fake_node2'],
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'ignore_hosts': ['fake_multihost']}
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info = {'expected_objs': [],
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'expected_fprops': fake_properties}
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self._mock_get_filtered_hosts(info)
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self.mox.ReplayAll()
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self._verify_result(info, result, False)
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