aodh/ceilometer/tests/test_novaclient.py
Pradeep Kilambi e36f9f32fe Fix to tackle instances without an image assigned
fixes bug #1233103

Change-Id: I4d4d7bdff09b6748e14ebac8293050513fb18ed2
2014-01-07 11:55:42 -08:00

215 lines
7.6 KiB
Python

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
#
# Copyright © 2013 eNovance <licensing@enovance.com>
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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 mock
from mock import patch
import novaclient
from ceilometer import nova_client
from ceilometer.openstack.common.fixture import mockpatch
from ceilometer.openstack.common import test
class TestNovaClient(test.BaseTestCase):
def setUp(self):
super(TestNovaClient, self).setUp()
self.nv = nova_client.Client()
self.useFixture(mockpatch.PatchObject(
self.nv.nova_client.flavors, 'get',
side_effect=self.fake_flavors_get))
self.useFixture(mockpatch.PatchObject(
self.nv.nova_client.images, 'get',
side_effect=self.fake_images_get))
@staticmethod
def fake_flavors_get(*args, **kwargs):
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
@staticmethod
def fake_images_get(*args, **kwargs):
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 novaclient.exceptions.NotFound('foobar')
return a
@staticmethod
def fake_flavors_list():
a = mock.MagicMock()
a.id = 1
a.name = 'm1.tiny'
b = mock.MagicMock()
b.id = 2
b.name = 'm1.large'
return [a, b]
@staticmethod
def fake_servers_list(*args, **kwargs):
a = mock.MagicMock()
a.id = 42
a.flavor = {'id': 1}
a.image = {'id': 1}
return [a]
def test_instance_get_all_by_host(self):
with 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(len(instances), 1)
self.assertEqual(instances[0].flavor['name'], 'm1.tiny')
self.assertEqual(instances[0].image['name'], 'ubuntu-12.04-x86')
self.assertEqual(instances[0].kernel_id, 11)
self.assertEqual(instances[0].ramdisk_id, 21)
@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]
def test_instance_get_all_by_host_unknown_flavor(self):
with 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(len(instances), 1)
self.assertEqual(instances[0].flavor['name'], 'unknown-id-666')
@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]
@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]
@staticmethod
def fake_instance_image_missing(*args, **kwargs):
a = mock.MagicMock()
a.id = 42
a.flavor = {'id': 666}
a.image = None
return [a]
def test_instance_get_all_by_host_unknown_image(self):
with 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(len(instances), 1)
self.assertEqual(instances[0].image['name'], 'unknown-id-666')
def test_with_flavor_and_image(self):
results = self.nv._with_flavor_and_image(self.fake_servers_list())
instance = results[0]
self.assertEqual(instance.image['name'], 'ubuntu-12.04-x86')
self.assertEqual(instance.flavor['name'], 'm1.tiny')
self.assertEqual(instance.kernel_id, 11)
self.assertEqual(instance.ramdisk_id, 21)
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(instance.image['name'], 'unknown-id-666')
self.assertNotEqual(instance.flavor['name'], 'unknown-id-666')
self.assertIsNone(instance.kernel_id)
self.assertIsNone(instance.ramdisk_id)
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(instance.flavor['name'], 'unknown-id-666')
self.assertEqual(instance.flavor['vcpus'], 0)
self.assertEqual(instance.flavor['ram'], 0)
self.assertEqual(instance.flavor['disk'], 0)
self.assertNotEqual(instance.image['name'], 'unknown-id-666')
self.assertEqual(instance.kernel_id, 11)
self.assertEqual(instance.ramdisk_id, 21)
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)
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)
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(instance.kernel_id, 11)
self.assertIsNone(instance.ramdisk_id)
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(instance.ramdisk_id, 21)
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)