253 lines
11 KiB
Python
253 lines
11 KiB
Python
# Copyright 2018 Red Hat, Inc.
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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 mock
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from openstack import exceptions as sdk_exc
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import testtools
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from metalsmith import _scheduler
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from metalsmith import exceptions
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class TestScheduleNode(testtools.TestCase):
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def setUp(self):
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super(TestScheduleNode, self).setUp()
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self.nodes = [mock.Mock(spec=['id', 'name']) for _ in range(2)]
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self.reserver = self._reserver(lambda x: x)
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def _reserver(self, side_effect):
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reserver = mock.Mock(spec=_scheduler.Reserver)
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reserver.side_effect = side_effect
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if isinstance(side_effect, Exception):
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reserver.fail.side_effect = exceptions.ReservationFailed('fail')
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else:
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reserver.fail.side_effect = AssertionError('called fail')
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return reserver
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def _filter(self, side_effect, fail=AssertionError('called fail')):
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fltr = mock.Mock(spec=_scheduler.Filter)
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fltr.side_effect = side_effect
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fltr.fail.side_effect = fail
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return fltr
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def test_no_filters(self):
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result = _scheduler.schedule_node(self.nodes, [], self.reserver)
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self.assertIs(result, self.nodes[0])
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self.reserver.assert_called_once_with(self.nodes[0])
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self.assertFalse(self.reserver.fail.called)
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def test_dry_run(self):
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result = _scheduler.schedule_node(self.nodes, [], self.reserver,
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dry_run=True)
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self.assertIs(result, self.nodes[0])
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self.assertFalse(self.reserver.called)
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self.assertFalse(self.reserver.fail.called)
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def test_reservation_one_failed(self):
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reserver = self._reserver([sdk_exc.SDKException("boom"),
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self.nodes[1]])
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result = _scheduler.schedule_node(self.nodes, [], reserver)
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self.assertIs(result, self.nodes[1])
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self.assertEqual([mock.call(n) for n in self.nodes],
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reserver.call_args_list)
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def test_reservation_all_failed(self):
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reserver = self._reserver(sdk_exc.SDKException("boom"))
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self.assertRaisesRegex(exceptions.ReservationFailed, 'fail',
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_scheduler.schedule_node,
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self.nodes, [], reserver)
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self.assertEqual([mock.call(n) for n in self.nodes],
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reserver.call_args_list)
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def test_all_filters_pass(self):
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filters = [self._filter([True, True]) for _ in range(3)]
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result = _scheduler.schedule_node(self.nodes, filters, self.reserver)
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self.assertIs(result, self.nodes[0])
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self.reserver.assert_called_once_with(self.nodes[0])
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for fltr in filters:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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self.assertFalse(fltr.fail.called)
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def test_one_node_filtered(self):
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filters = [self._filter([True, True]),
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self._filter([False, True]),
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self._filter([True])]
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result = _scheduler.schedule_node(self.nodes, filters, self.reserver)
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self.assertIs(result, self.nodes[1])
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self.reserver.assert_called_once_with(self.nodes[1])
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for fltr in filters:
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self.assertFalse(fltr.fail.called)
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for fltr in filters[:2]:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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filters[2].assert_called_once_with(self.nodes[1])
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def test_all_nodes_filtered(self):
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filters = [self._filter([True, True]),
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self._filter([False, True]),
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self._filter([False], fail=RuntimeError('failed'))]
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self.assertRaisesRegex(RuntimeError, 'failed',
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_scheduler.schedule_node,
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self.nodes, filters, self.reserver)
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self.assertFalse(self.reserver.called)
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for fltr in filters[:2]:
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self.assertEqual([mock.call(n) for n in self.nodes],
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fltr.call_args_list)
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self.assertFalse(fltr.fail.called)
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filters[2].assert_called_once_with(self.nodes[1])
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filters[2].fail.assert_called_once_with()
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class TestCapabilitiesFilter(testtools.TestCase):
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def test_fail_no_capabilities(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: none',
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fltr.fail)
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def test_nothing_requested_nothing_found(self):
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fltr = _scheduler.CapabilitiesFilter({})
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node = mock.Mock(properties={}, spec=['properties', 'name', 'id'])
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self.assertTrue(fltr(node))
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def test_matching_node(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute',
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'foo': 'bar'})
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node = mock.Mock(
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properties={'capabilities': 'foo:bar,profile:compute,answer:42'},
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spec=['properties', 'name', 'id'])
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self.assertTrue(fltr(node))
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def test_not_matching_node(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute',
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'foo': 'bar'})
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node = mock.Mock(
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properties={'capabilities': 'foo:bar,answer:42'},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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def test_fail_message(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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node = mock.Mock(
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properties={'capabilities': 'profile:control'},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: '
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r'profile=control \(1 node\(s\)\)',
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fltr.fail)
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def test_malformed_capabilities(self):
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fltr = _scheduler.CapabilitiesFilter({'profile': 'compute'})
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for cap in ['foo,profile:control', 42, 'a:b:c']:
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node = mock.Mock(properties={'capabilities': cap},
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spec=['properties', 'name', 'id'])
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self.assertFalse(fltr(node))
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self.assertRaisesRegex(exceptions.CapabilitiesNotFound,
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'No available nodes found with capabilities '
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'profile=compute, existing capabilities: none',
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fltr.fail)
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class TestTraitsFilter(testtools.TestCase):
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def test_fail_no_traits(self):
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fltr = _scheduler.TraitsFilter(['tr1', 'tr2'])
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self.assertRaisesRegex(exceptions.TraitsNotFound,
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'No available nodes found with traits '
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'tr1, tr2, existing traits: none',
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fltr.fail)
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def test_no_traits(self):
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fltr = _scheduler.TraitsFilter([])
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node = mock.Mock(spec=['name', 'id'])
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self.assertTrue(fltr(node))
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def test_ok(self):
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fltr = _scheduler.TraitsFilter(['tr1', 'tr2'])
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node = mock.Mock(spec=['name', 'id', 'traits'],
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traits=['tr3', 'tr2', 'tr1'])
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self.assertTrue(fltr(node))
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def test_missing_one(self):
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fltr = _scheduler.TraitsFilter(['tr1', 'tr2'])
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node = mock.Mock(spec=['name', 'id', 'traits'],
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traits=['tr3', 'tr1'])
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self.assertFalse(fltr(node))
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def test_missing_all(self):
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fltr = _scheduler.TraitsFilter(['tr1', 'tr2'])
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node = mock.Mock(spec=['name', 'id', 'traits'], traits=None)
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self.assertFalse(fltr(node))
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class TestIronicReserver(testtools.TestCase):
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def setUp(self):
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super(TestIronicReserver, self).setUp()
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self.node = mock.Mock(spec=['id', 'name', 'instance_info'],
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instance_info={})
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self.api = mock.Mock(spec=['baremetal'])
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self.api.baremetal = mock.Mock(spec=['update_node', 'validate_node'])
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self.api.baremetal.update_node.side_effect = (
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lambda node, **kw: node)
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self.reserver = _scheduler.IronicReserver(self.api)
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def test_fail(self):
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self.assertRaisesRegex(exceptions.NoNodesReserved,
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'All the candidate nodes are already reserved',
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self.reserver.fail)
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def test_ok(self):
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self.assertEqual(self.node, self.reserver(self.node))
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self.api.baremetal.validate_node.assert_called_with(
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self.node, required=('power', 'management'))
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self.api.baremetal.update_node.assert_called_once_with(
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self.node, instance_id=self.node.id, instance_info={})
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def test_with_instance_info(self):
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self.reserver = _scheduler.IronicReserver(self.api,
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{'cat': 'meow'})
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self.assertEqual(self.node, self.reserver(self.node))
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self.api.baremetal.validate_node.assert_called_with(
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self.node, required=('power', 'management'))
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self.api.baremetal.update_node.assert_called_once_with(
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self.node, instance_id=self.node.id,
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instance_info={'cat': 'meow'})
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def test_reservation_failed(self):
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self.api.baremetal.update_node.side_effect = (
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sdk_exc.SDKException('conflict'))
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self.assertRaisesRegex(sdk_exc.SDKException, 'conflict',
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self.reserver, self.node)
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self.api.baremetal.validate_node.assert_called_with(
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self.node, required=('power', 'management'))
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self.api.baremetal.update_node.assert_called_once_with(
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self.node, instance_id=self.node.id, instance_info={})
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def test_validation_failed(self):
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self.api.baremetal.validate_node.side_effect = (
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sdk_exc.SDKException('fail'))
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self.assertRaisesRegex(exceptions.ValidationFailed, 'fail',
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self.reserver, self.node)
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self.api.baremetal.validate_node.assert_called_with(
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self.node, required=('power', 'management'))
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self.assertFalse(self.api.baremetal.update_node.called)
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