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#########
# Copyright (c) 2014 GigaSpaces Technologies Ltd. All rights reserved
#
# 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 unittest
import mock
from novaclient import exceptions as nova_exceptions
import nova_plugin.server as server
from cloudify.exceptions import NonRecoverableError
from cloudify.mocks import MockCloudifyContext
class TestServerImageAndFlavor(unittest.TestCase):
def test_no_image_and_no_flavor(self):
node_props = {
'image': '',
'flavor': ''
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
self.assertRaises(NonRecoverableError,
server._handle_image_or_flavor,
serv, nova_client, 'image')
self.assertRaises(NonRecoverableError,
server._handle_image_or_flavor,
serv, nova_client, 'flavor')
def test_image_and_flavor_properties_as_names(self):
node_props = {
'image': 'some-image-name',
'flavor': 'some-flavor-name'
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertEquals('some-flavor-id', serv.get('flavor'))
def test_image_and_flavor_properties_as_ids(self):
node_props = {
'image': 'some-image-id',
'flavor': 'some-flavor-id'
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertEquals('some-flavor-id', serv.get('flavor'))
def test_image_id_and_flavor_id(self):
node_props = {
'image': '',
'flavor': ''
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image'] = 'some-image-id'
serv['flavor'] = 'some-flavor-id'
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertEquals('some-flavor-id', serv.get('flavor'))
def test_image_name_and_flavor_name(self):
node_props = {
'image': '',
'flavor': ''
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image_name'] = 'some-image-name'
serv['flavor_name'] = 'some-flavor-name'
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertNotIn('image_name', serv)
self.assertEquals('some-flavor-id', serv.get('flavor'))
self.assertNotIn('flavor_name', serv)
def test_unknown_image_name_and_flavor_name(self):
node_props = {
'image': '',
'flavor': ''
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image_name'] = 'some-unknown-image-name'
serv['flavor_name'] = 'some-unknown-flavor-name'
self.assertRaises(nova_exceptions.NotFound,
server._handle_image_or_flavor,
serv, nova_client, 'image')
self.assertRaises(nova_exceptions.NotFound,
server._handle_image_or_flavor,
serv, nova_client, 'flavor')
def test_image_id_and_flavor_id_override_on_properties(self):
node_props = {
'image': 'properties-image-id',
'flavor': 'properties-flavor-id'
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image'] = 'some-image-id'
serv['flavor'] = 'some-flavor-id'
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertEquals('some-flavor-id', serv.get('flavor'))
def test_image_name_and_flavor_name_override_on_properties(self):
node_props = {
'image': 'properties-image-id',
'flavor': 'properties-flavor-id'
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image_name'] = 'some-image-name'
serv['flavor_name'] = 'some-flavor-name'
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertNotIn('image_name', serv)
self.assertEquals('some-flavor-id', serv.get('flavor'))
self.assertNotIn('flavor_name', serv)
def test_image_name_and_flavor_name_override_on_image_and_flavor_ids(self):
node_props = {
'image': '',
'flavor': ''
}
with mock.patch('nova_plugin.server.ctx',
self._get_mock_ctx_with_node_properties(node_props)):
nova_client = self._get_mocked_nova_client()
serv = {}
serv['image'] = 'some-bad-image-id'
serv['image_name'] = 'some-image-name'
serv['flavor'] = 'some-bad-flavor-id'
serv['flavor_name'] = 'some-flavor-name'
server._handle_image_or_flavor(serv, nova_client, 'image')
server._handle_image_or_flavor(serv, nova_client, 'flavor')
self.assertEquals('some-image-id', serv.get('image'))
self.assertNotIn('image_name', serv)
self.assertEquals('some-flavor-id', serv.get('flavor'))
self.assertNotIn('flavor_name', serv)
@staticmethod
def _get_mocked_nova_client():
nova_client = mock.MagicMock()
def mock_get_if_exists(prop_name, **kwargs):
is_image = prop_name == 'image'
searched_name = kwargs.get('name')
if (is_image and searched_name == 'some-image-name') or \
(not is_image and searched_name == 'some-flavor-name'):
result = mock.MagicMock()
result.id = 'some-image-id' if \
is_image else 'some-flavor-id'
return result
return []
def mock_find_generator(prop_name):
def mock_find(**kwargs):
result = mock_get_if_exists(prop_name, **kwargs)
if not result:
raise nova_exceptions.NotFound(404)
return result
return mock_find
nova_client.cosmo_plural = lambda x: '{0}s'.format(x)
nova_client.cosmo_get_if_exists = mock_get_if_exists
nova_client.images.find = mock_find_generator('image')
nova_client.flavors.find = mock_find_generator('flavor')
return nova_client
@staticmethod
def _get_mock_ctx_with_node_properties(properties):
return MockCloudifyContext(node_id='test_node_id',
properties=properties)
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