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#
# 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 heat.engine.clients.os import nova
from heat.engine import stack
from heat.engine import template
from heat.tests import common
from heat.tests import utils
AGGREGATE_TEMPLATE = {
'heat_template_version': '2013-05-23',
'description': 'Heat Aggregate creation example',
'resources': {
'my_aggregate': {
'type': 'OS::Nova::HostAggregate',
'properties': {
'name': 'host_aggregate',
'availability_zone': 'nova',
'hosts': ['host_1', 'host_2'],
'metadata': {"availability_zone": "nova"}
}
}
}
}
class NovaHostAggregateTest(common.HeatTestCase):
def setUp(self):
super(NovaHostAggregateTest, self).setUp()
self.ctx = utils.dummy_context()
self.stack = stack.Stack(
self.ctx, 'nova_aggregate_test_stack',
template.Template(AGGREGATE_TEMPLATE)
)
self.my_aggregate = self.stack['my_aggregate']
nova_client = mock.MagicMock()
self.novaclient = mock.MagicMock()
self.my_aggregate.client = nova_client
nova_client.return_value = self.novaclient
self.aggregates = self.novaclient.aggregates
def test_aggregate_handle_create(self):
value = mock.MagicMock()
aggregate_id = '927202df-1afb-497f-8368-9c2d2f26e5db'
value.id = aggregate_id
self.aggregates.create.return_value = value
self.my_aggregate.handle_create()
value.set_metadata.assert_called_once_with(
{"availability_zone": "nova"})
self.assertEqual(2, value.add_host.call_count)
self.assertEqual(aggregate_id, self.my_aggregate.resource_id)
def test_aggregate_handle_update_name(self):
value = mock.MagicMock()
self.aggregates.get.return_value = value
prop_diff = {'name': 'new_host_aggregate',
'metadata': {'availability_zone': 'new_nova'},
'availability_zone': 'new_nova'}
expected = {'name': 'new_host_aggregate',
'availability_zone': 'new_nova'}
self.my_aggregate.handle_update(
json_snippet=None, tmpl_diff=None, prop_diff=prop_diff
)
value.update.assert_called_once_with(expected)
def test_aggregate_handle_update_hosts(self):
ag = mock.MagicMock()
ag.hosts = ['host_1', 'host_2']
self.aggregates.get.return_value = ag
prop_diff = {'hosts': ['host_1', 'host_3']}
add_host_expected = 'host_3'
remove_host_expected = 'host_2'
self.my_aggregate.handle_update(
json_snippet=None, tmpl_diff=None, prop_diff=prop_diff
)
self.assertEqual(0, ag.update.call_count)
self.assertEqual(0, ag.set_metadata.call_count)
ag.add_host.assert_called_once_with(add_host_expected)
ag.remove_host.assert_called_once_with(remove_host_expected)
def test_aggregate_handle_update_metadata(self):
ag = mock.MagicMock()
self.aggregates.get.return_value = ag
prop_diff = {'metadata': {'availability_zone': 'nova3'}}
set_metadata_expected = {'availability_zone': 'nova3'}
self.my_aggregate.handle_update(
json_snippet=None, tmpl_diff=None, prop_diff=prop_diff
)
self.assertEqual(0, ag.update.call_count)
self.assertEqual(0, ag.add_host.call_count)
self.assertEqual(0, ag.remove_host.call_count)
ag.set_metadata.assert_called_once_with(set_metadata_expected)
def test_aggregate_handle_delete_not_found(self):
ag = mock.MagicMock()
ag.id = '927202df-1afb-497f-8368-9c2d2f26e5db'
ag.hosts = ['host_1']
self.aggregates.get.side_effect = [nova.exceptions.NotFound(404)]
self.my_aggregate.handle_delete()
def test_aggregate_handle_delete(self):
ag = mock.MagicMock()
ag.id = '927202df-1afb-497f-8368-9c2d2f26e5db'
ag.hosts = ['host_1']
self.aggregates.get.return_value = ag
self.aggregates.hosts = ag.hosts
self.my_aggregate.resource_id = ag.id
self.my_aggregate.handle_delete()
self.assertEqual(1, self.aggregates.get.call_count)
self.assertEqual(ag.hosts, self.aggregates.hosts)
ag.remove_host.assert_called_once_with(ag.hosts[0])
self.aggregates.delete.assert_called_once_with(ag.id)
def test_aggregate_get_live_state(self):
value = mock.MagicMock()
value.to_dict.return_value = {
'availability_zone': 'nova',
'name': 'test',
'hosts': ['ubuntu'],
'metadata': {'test': 'test', 'availability_zone': 'nova'}
}
self.aggregates.get.return_value = value
reality = self.my_aggregate.get_live_state(
self.my_aggregate.properties)
expected = {
'availability_zone': 'nova',
'name': 'test',
'hosts': ['ubuntu'],
'metadata': {'test': 'test', 'availability_zone': 'nova'}
}
self.assertEqual(set(expected.keys()), set(reality.keys()))
for key in reality:
self.assertEqual(expected[key], reality[key])
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