ceilometer.tests.unit.test_novaclient

Source code for ceilometer.tests.unit.test_novaclient

# Copyright 2013-2014 eNovance <licensing@enovance.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import fixtures
import glanceclient
import mock
import novaclient
from oslotest import base

from ceilometer import nova_client
from ceilometer import service


[docs]class TestNovaClient(base.BaseTestCase):
[docs] def setUp(self): super(TestNovaClient, self).setUp() self.CONF = service.prepare_service([], []) self._flavors_count = 0 self._images_count = 0 self.nv = nova_client.Client(self.CONF) self.useFixture(fixtures.MockPatchObject( self.nv.nova_client.flavors, 'get', side_effect=self.fake_flavors_get)) self.useFixture(fixtures.MockPatchObject( self.nv.glance_client.images, 'get', side_effect=self.fake_images_get))
[docs] def fake_flavors_get(self, *args, **kwargs): self._flavors_count += 1 a = mock.MagicMock() a.id = args[0] if a.id == 1: a.name = 'm1.tiny' elif a.id == 2: a.name = 'm1.large' else: raise novaclient.exceptions.NotFound('foobar') return a
[docs] def fake_images_get(self, *args, **kwargs): self._images_count += 1 a = mock.MagicMock() a.id = args[0] image_details = { 1: ('ubuntu-12.04-x86', dict(kernel_id=11, ramdisk_id=21)), 2: ('centos-5.4-x64', dict(kernel_id=12, ramdisk_id=22)), 3: ('rhel-6-x64', None), 4: ('rhel-6-x64', dict()), 5: ('rhel-6-x64', dict(kernel_id=11)), 6: ('rhel-6-x64', dict(ramdisk_id=21)) } if a.id in image_details: a.name = image_details[a.id][0] a.metadata = image_details[a.id][1] else: raise glanceclient.exc.HTTPNotFound('foobar') return a
[docs] @staticmethod def fake_servers_list(*args, **kwargs): a = mock.MagicMock() a.id = 42 a.flavor = {'id': 1} a.image = {'id': 1} b = mock.MagicMock() b.id = 43 b.flavor = {'id': 2} b.image = {'id': 2} return [a, b]
[docs] def test_instance_get_all_by_host(self): with mock.patch.object(self.nv.nova_client.servers, 'list', side_effect=self.fake_servers_list): instances = self.nv.instance_get_all_by_host('foobar') self.assertEqual(2, len(instances)) self.assertEqual('m1.tiny', instances[0].flavor['name']) self.assertEqual('ubuntu-12.04-x86', instances[0].image['name']) self.assertEqual(11, instances[0].kernel_id) self.assertEqual(21, instances[0].ramdisk_id)
[docs] def test_instance_get_all(self): with mock.patch.object(self.nv.nova_client.servers, 'list', side_effect=self.fake_servers_list): instances = self.nv.instance_get_all() self.assertEqual(2, len(instances)) self.assertEqual(42, instances[0].id) self.assertEqual(1, instances[0].flavor['id']) self.assertEqual(1, instances[0].image['id'])
[docs] @staticmethod def fake_servers_list_unknown_flavor(*args, **kwargs): a = mock.MagicMock() a.id = 42 a.flavor = {'id': 666} a.image = {'id': 1} return [a]
[docs] def test_instance_get_all_by_host_unknown_flavor(self): with mock.patch.object( self.nv.nova_client.servers, 'list', side_effect=self.fake_servers_list_unknown_flavor): instances = self.nv.instance_get_all_by_host('foobar') self.assertEqual(1, len(instances)) self.assertEqual('unknown-id-666', instances[0].flavor['name'])
[docs] @staticmethod def fake_servers_list_unknown_image(*args, **kwargs): a = mock.MagicMock() a.id = 42 a.flavor = {'id': 1} a.image = {'id': 666} return [a]
[docs] @staticmethod def fake_servers_list_image_missing_metadata(*args, **kwargs): a = mock.MagicMock() a.id = 42 a.flavor = {'id': 1} a.image = {'id': args[0]} return [a]
[docs] @staticmethod def fake_instance_image_missing(*args, **kwargs): a = mock.MagicMock() a.id = 42 a.flavor = {'id': 666} a.image = None return [a]
[docs] def test_instance_get_all_by_host_unknown_image(self): with mock.patch.object( self.nv.nova_client.servers, 'list', side_effect=self.fake_servers_list_unknown_image): instances = self.nv.instance_get_all_by_host('foobar') self.assertEqual(1, len(instances)) self.assertEqual('unknown-id-666', instances[0].image['name'])
[docs] def test_with_flavor_and_image(self): results = self.nv._with_flavor_and_image(self.fake_servers_list()) instance = results[0] self.assertEqual(2, len(results)) self.assertEqual('ubuntu-12.04-x86', instance.image['name']) self.assertEqual('m1.tiny', instance.flavor['name']) self.assertEqual(11, instance.kernel_id) self.assertEqual(21, instance.ramdisk_id)
[docs] def test_with_flavor_and_image_unknown_image(self): instances = self.fake_servers_list_unknown_image() results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertEqual('unknown-id-666', instance.image['name']) self.assertNotEqual(instance.flavor['name'], 'unknown-id-666') self.assertIsNone(instance.kernel_id) self.assertIsNone(instance.ramdisk_id)
[docs] def test_with_flavor_and_image_unknown_flavor(self): instances = self.fake_servers_list_unknown_flavor() results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertEqual('unknown-id-666', instance.flavor['name']) self.assertEqual(0, instance.flavor['vcpus']) self.assertEqual(0, instance.flavor['ram']) self.assertEqual(0, instance.flavor['disk']) self.assertNotEqual(instance.image['name'], 'unknown-id-666') self.assertEqual(11, instance.kernel_id) self.assertEqual(21, instance.ramdisk_id)
[docs] def test_with_flavor_and_image_none_metadata(self): instances = self.fake_servers_list_image_missing_metadata(3) results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertIsNone(instance.kernel_id) self.assertIsNone(instance.ramdisk_id)
[docs] def test_with_flavor_and_image_missing_metadata(self): instances = self.fake_servers_list_image_missing_metadata(4) results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertIsNone(instance.kernel_id) self.assertIsNone(instance.ramdisk_id)
[docs] def test_with_flavor_and_image_missing_ramdisk(self): instances = self.fake_servers_list_image_missing_metadata(5) results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertEqual(11, instance.kernel_id) self.assertIsNone(instance.ramdisk_id)
[docs] def test_with_flavor_and_image_missing_kernel(self): instances = self.fake_servers_list_image_missing_metadata(6) results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertIsNone(instance.kernel_id) self.assertEqual(21, instance.ramdisk_id)
[docs] def test_with_flavor_and_image_no_cache(self): results = self.nv._with_flavor_and_image(self.fake_servers_list()) self.assertEqual(2, len(results)) self.assertEqual(2, self._flavors_count) self.assertEqual(2, self._images_count)
[docs] def test_with_flavor_and_image_cache(self): results = self.nv._with_flavor_and_image(self.fake_servers_list() * 2) self.assertEqual(4, len(results)) self.assertEqual(2, self._flavors_count) self.assertEqual(2, self._images_count)
[docs] def test_with_flavor_and_image_unknown_image_cache(self): instances = self.fake_servers_list_unknown_image() results = self.nv._with_flavor_and_image(instances * 2) self.assertEqual(2, len(results)) self.assertEqual(1, self._flavors_count) self.assertEqual(1, self._images_count) for instance in results: self.assertEqual('unknown-id-666', instance.image['name']) self.assertNotEqual(instance.flavor['name'], 'unknown-id-666') self.assertIsNone(instance.kernel_id) self.assertIsNone(instance.ramdisk_id)
[docs] def test_with_missing_image_instance(self): instances = self.fake_instance_image_missing() results = self.nv._with_flavor_and_image(instances) instance = results[0] self.assertIsNone(instance.kernel_id) self.assertIsNone(instance.image) self.assertIsNone(instance.ramdisk_id)
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