1619c42bea
Having the Stack create the Clients object means that custom constraints do not have access to the already created clients. This greatly complicates test mocking, and results in unnecessarily created constraint-scoped clients. This change makes the Clients be created in RequestContext on demand. Constraints use the Clients associated with the context. Mocking client create calls is simplified, generally needing to call _create once instead of MultipleTimes() Change-Id: If67e2d6761003558b32909c4655fadb4d0630b86
170 lines
6.6 KiB
Python
170 lines
6.6 KiB
Python
#
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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 collections
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import copy
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from heat.engine.clients.os import nova
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from heat.engine.resources import nova_keypair
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from heat.engine import scheduler
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from heat.tests.common import HeatTestCase
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from heat.tests import utils
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from heat.tests.v1_1 import fakes
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class NovaKeyPairTest(HeatTestCase):
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kp_template = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"kp": {
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"type": "OS::Nova::KeyPair",
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"properties": {
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"name": "key_pair"
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}
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}
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}
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}
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def setUp(self):
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super(NovaKeyPairTest, self).setUp()
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self.fake_nova = self.m.CreateMockAnything()
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self.fake_keypairs = self.m.CreateMockAnything()
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self.fake_nova.keypairs = self.fake_keypairs
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def _mock_key(self, name, pub=None, priv=None):
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mkey = self.m.CreateMockAnything()
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mkey.id = name
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mkey.name = name
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if pub:
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mkey.public_key = pub
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if priv:
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mkey.private_key = priv
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return mkey
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def _get_test_resource(self, template):
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stack = utils.parse_stack(template)
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definition = stack.t.resource_definitions(stack)['kp']
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kp_res = nova_keypair.KeyPair('kp', definition, stack)
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self.m.StubOutWithMock(nova.NovaClientPlugin, '_create')
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nova.NovaClientPlugin._create().AndReturn(self.fake_nova)
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return kp_res
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def _get_mock_kp_for_create(self, key_name, public_key=None,
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priv_saved=False):
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template = copy.deepcopy(self.kp_template)
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template['resources']['kp']['properties']['name'] = key_name
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props = template['resources']['kp']['properties']
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if public_key:
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props['public_key'] = public_key
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gen_pk = public_key or "generated test public key"
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nova_key = self._mock_key(key_name, gen_pk)
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if priv_saved:
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nova_key.private_key = "private key for %s" % key_name
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props['save_private_key'] = True
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kp_res = self._get_test_resource(template)
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self.fake_keypairs.create(key_name,
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public_key=public_key).AndReturn(nova_key)
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return kp_res, nova_key
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def test_create_key(self):
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"""Test basic create."""
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key_name = "generate_no_save"
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tp_test, created_key = self._get_mock_kp_for_create(key_name)
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self.fake_keypairs.get(key_name).AndReturn(created_key)
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self.m.ReplayAll()
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scheduler.TaskRunner(tp_test.create)()
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self.assertEqual("", tp_test.FnGetAtt('private_key'))
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self.assertEqual("generated test public key",
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tp_test.FnGetAtt('public_key'))
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self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
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self.assertEqual(tp_test.resource_id, created_key.name)
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self.m.VerifyAll()
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def test_delete_key(self):
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"""Test basic delete."""
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test_res = self._get_test_resource(self.kp_template)
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test_res.resource_id = "key_name"
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test_res.state_set(test_res.CREATE, test_res.COMPLETE)
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self.fake_keypairs.delete("key_name").AndReturn(None)
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self.m.ReplayAll()
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scheduler.TaskRunner(test_res.delete)()
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self.assertEqual((test_res.DELETE, test_res.COMPLETE), test_res.state)
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self.m.VerifyAll()
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def test_delete_key_not_found(self):
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"""Test delete non-existent key."""
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test_res = self._get_test_resource(self.kp_template)
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test_res.resource_id = "key_name"
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test_res.state_set(test_res.CREATE, test_res.COMPLETE)
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(self.fake_keypairs.delete("key_name")
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.AndRaise(fakes.fake_exception()))
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self.m.ReplayAll()
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scheduler.TaskRunner(test_res.delete)()
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self.assertEqual((test_res.DELETE, test_res.COMPLETE), test_res.state)
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self.m.VerifyAll()
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def test_create_pub(self):
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"""Test create using existing pub key."""
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key_name = "existing_key"
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pk = "test_create_pub"
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tp_test, created_key = self._get_mock_kp_for_create(key_name,
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public_key=pk)
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self.m.ReplayAll()
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scheduler.TaskRunner(tp_test.create)()
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self.assertEqual("", tp_test.FnGetAtt('private_key'))
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self.assertEqual("test_create_pub",
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tp_test.FnGetAtt('public_key'))
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self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
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self.assertEqual(tp_test.resource_id, created_key.name)
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self.m.VerifyAll()
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def test_save_priv_key(self):
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"""Test a saved private key."""
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key_name = "save_private"
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tp_test, created_key = self._get_mock_kp_for_create(key_name,
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priv_saved=True)
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self.fake_keypairs.get(key_name).AndReturn(created_key)
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self.m.ReplayAll()
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scheduler.TaskRunner(tp_test.create)()
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self.assertEqual("private key for save_private",
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tp_test.FnGetAtt('private_key'))
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self.assertEqual("generated test public key",
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tp_test.FnGetAtt('public_key'))
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self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
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self.assertEqual(tp_test.resource_id, created_key.name)
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self.m.VerifyAll()
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class KeypairConstraintTest(HeatTestCase):
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def test_validation(self):
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client = fakes.FakeClient()
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self.m.StubOutWithMock(nova.NovaClientPlugin, '_create')
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nova.NovaClientPlugin._create().AndReturn(client)
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client.keypairs = self.m.CreateMockAnything()
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key = collections.namedtuple("Key", ["name"])
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key.name = "foo"
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client.keypairs.get('bar').AndRaise(fakes.fake_exception())
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client.keypairs.get(key.name).AndReturn(key)
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self.m.ReplayAll()
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constraint = nova_keypair.KeypairConstraint()
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ctx = utils.dummy_context()
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self.assertFalse(constraint.validate("bar", ctx))
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self.assertTrue(constraint.validate("foo", ctx))
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self.assertTrue(constraint.validate("", ctx))
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self.m.VerifyAll()
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