congress/congress/tests/datasources/test_nova_driver.py

348 lines
14 KiB
Python

# Copyright (c) 2014 VMware, Inc. 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.
#
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
import mock
import novaclient
from congress.datasources import nova_driver
from congress import exception
from congress.tests import base
from congress.tests.datasources import fakes
from congress.tests import helper
class TestNovaDriver(base.TestCase):
def setUp(self):
super(TestNovaDriver, self).setUp()
nova_client = mock.MagicMock()
self.nova = fakes.NovaFakeClient()
with mock.patch.object(novaclient.client.Client, '__init__',
return_value=nova_client):
self.driver = nova_driver.NovaDriver(
name='nova',
args=helper.datasource_openstack_args())
def test_driver_called(self):
self.assertIsNotNone(self.driver.nova_client)
def test_servers(self):
servers_raw = self.nova.servers.list(detailed=True)
self.driver._translate_servers(servers_raw)
server_tuples = self.driver.state[self.driver.SERVERS]
self.assertEqual(3, len(server_tuples))
# tuple = (s.id, s.name, s.hostId, s.status, s.tenant_id,
# s.user_id, image, flavor)
for t in server_tuples:
id = t[0]
name = t[1]
host_id = t[2]
status = t[3]
tenant_id = t[4]
user_id = t[5]
image_id = t[6]
flavor_id = t[7]
zone = t[8]
host_name = t[9]
self.assertIn(id, ['1234', '5678', '9012'])
# see congress.datasources.tests.unit.fakes for actual values
if id == '1234':
self.assertEqual("sample-server", name)
self.assertEqual("e4d909c290d0fb1ca068ffaddf22cbd0", host_id)
self.assertEqual("BUILD", status)
self.assertEqual("33ea0494-2bdf-4382-a445-9068997430b9",
user_id)
self.assertEqual("50e14867-7c64-4ec9-be8d-ed2470ca1d24",
tenant_id)
self.assertEqual('2', image_id)
self.assertEqual('1', flavor_id)
self.assertEqual('default', zone)
self.assertEqual('host1', host_name)
elif id == '5678':
self.assertEqual("sample-server2", name)
self.assertEqual("9e107d9d372bb6826bd81d3542a419d6", host_id)
self.assertEqual("ACTIVE", status)
self.assertEqual("33ea0494-2bdf-4382-a445-9068997430b9",
user_id)
self.assertEqual("50e14867-7c64-4ec9-be8d-ed2470ca1d24",
tenant_id)
self.assertEqual('2', image_id)
self.assertEqual('1', flavor_id)
self.assertEqual(None, zone)
self.assertEqual(None, host_name)
elif id == '9012':
self.assertEqual("sample-server3", name)
self.assertEqual("9e107d9d372bb6826bd81d3542a419d6", host_id)
self.assertEqual("ACTIVE", status)
self.assertEqual("33ea0494-2bdf-4382-a445-9068997430b9",
user_id)
self.assertEqual("50e14867-7c64-4ec9-be8d-ed2470ca1d24",
tenant_id)
self.assertEqual('2', image_id)
self.assertEqual('1', flavor_id)
self.assertEqual('foo', zone)
self.assertEqual('host2', host_name)
server_tag_tuples = self.driver.state[self.driver.TAGS]
self.assertEqual(len(server_tag_tuples), 5)
self.assertIn(('5678', 'tag1'), server_tag_tuples)
self.assertIn(('5678', 'tag2'), server_tag_tuples)
self.assertIn(('9012', 'tag1'), server_tag_tuples)
self.assertIn(('9012', 'tag2'), server_tag_tuples)
self.assertIn(('9012', 'tag3'), server_tag_tuples)
server_addresses_tuples = self.driver.state[self.driver.ADDRESSES]
self.assertEqual(len(server_addresses_tuples), 1)
self.assertIn(('1234', 'net_mgmt', '192.168.0.60', 4, '11:11:11:11',
'fixed'),
server_addresses_tuples)
def test_flavors(self):
flavor_raw = self.nova.flavors.list(detailed=True)
self.driver._translate_flavors(flavor_raw)
flavor_tuples = self.driver.state[self.driver.FLAVORS]
self.assertEqual(4, len(flavor_tuples))
# "id", "name", "vcpus", "ram", "disk", "ephemeral",
# "rxtx_factor")
for f in flavor_tuples:
id = f[0]
name = f[1]
vcpus = f[2]
ram = f[3]
disk = f[4]
ephemeral = f[5]
rxtx_factor = f[6]
self.assertIn(id, ['1', '2', '3', '4'])
# {'id': 1, 'name': '256 MB Server', 'ram': 256, 'disk': 10,
# 'vcpus' : 1, 'OS-FLV-EXT-DATA:ephemeral': 10,
# 'os-flavor-access:is_public': True, 'rxtx_factor' : 1.0,
# 'links': {}},
if id == '1':
self.assertEqual('256 MB Server', name)
self.assertEqual(256, ram)
self.assertEqual(10, disk)
self.assertEqual(1, vcpus)
self.assertEqual(10, ephemeral)
self.assertEqual(1.0, rxtx_factor)
# {'id': 2, 'name': '512 MB Server', 'ram': 512, 'disk': 20,
# 'vcpus' :2, 'OS-FLV-EXT-DATA:ephemeral': 20,
# 'os-flavor-access:is_public': False, 'rxtx_factor' : 1.0,
# 'links': {}},
elif id == '2':
self.assertEqual('512 MB Server', name)
self.assertEqual(512, ram)
self.assertEqual(20, disk)
self.assertEqual(2, vcpus)
self.assertEqual(20, ephemeral)
self.assertEqual(1.0, rxtx_factor)
# {'id': 3, 'name': '128 MB Server', 'ram': 128, 'disk': 0,
# 'vcpus' : 4, 'OS-FLV-EXT-DATA:ephemeral': 0,
# 'os-flavor-access:is_public': True, 'rxtx_factor' : 3.0,
# 'links': {}}
elif id == '3':
self.assertEqual('128 MB Server', name)
self.assertEqual(128, ram)
self.assertEqual(0, disk)
self.assertEqual(4, vcpus)
self.assertEqual(0, ephemeral)
self.assertEqual(3.0, rxtx_factor)
# {'id': 4, 'name': '1024 MB Server', 'ram': 1024, 'disk': 10,
# 'vcpus' : 3, 'OS-FLV-EXT-DATA:ephemeral': 10,
# 'os-flavor-access:is_public': True, 'rxtx_factor' : 2.0,
# 'links': {}},
elif id == '4':
self.assertEqual('1024 MB Server', name)
self.assertEqual(1024, ram)
self.assertEqual(10, disk)
self.assertEqual(3, vcpus)
self.assertEqual(10, ephemeral)
self.assertEqual(2.0, rxtx_factor)
self.assertEqual('1024 MB Server', name)
# def test_hosts(self):
# host_list = self.nova.hosts.list()
# self.driver._translate_hosts(host_list)
# host_tuples = self.driver.state[self.driver.HOSTS]
# self.assertEqual(2, len(host_tuples))
# for host in host_tuples:
# host_name = host[0]
# service = host[1]
# zone = host[2]
#
# if host_name == 'host1':
# self.assertEqual('nova-compute', service)
# self.assertEqual('nova1', str(zone))
# elif host_name == 'host2':
# self.assertEqual('nova-cert', service)
# self.assertEqual('nova1', str(zone))
def test_hypervisors(self):
hypervisors = self.nova.hypervisors.list()
self.driver._translate_hypervisors(hypervisors)
hypervisor_tuples = self.driver.state[self.driver.HYPERVISORS]
self.assertEqual(2, len(hypervisor_tuples))
for host in hypervisor_tuples:
host_name = host[0]
id = host[1]
state = host[2]
status = host[3]
if host_name == 'host1':
self.assertEqual(2, id)
self.assertEqual('up', state)
self.assertEqual('enabled', status)
elif host_name == 'host2':
self.assertEqual(3, id)
self.assertEqual('down', state)
self.assertEqual('enabled', status)
def test_services(self):
service_list = self.nova.services.list()
self.driver._translate_services(service_list)
expected_ret = {
1: [1, 'nova-compute', 'nova', 'nova1', 'enabled', 'up',
'2015-07-28T08:28:37.000000', None],
2: [2, 'nova-schedule', 'nova', 'nova1', 'disabled', 'up',
'2015-07-28T08:28:38.000000', 'daily maintenance']
}
service_tuples = self.driver.state[self.driver.SERVICES]
self.assertEqual(2, len(service_tuples))
for s in service_tuples:
map(self.assertEqual, expected_ret[s[0]], s)
def test_availability_zones(self):
az_list = self.nova.availability_zones.list()
self.driver._translate_availability_zones(az_list)
expected_ret = {
'AZ1': ['AZ1', 'available'],
'AZ2': ['AZ2', 'not available']
}
az_tuples = self.driver.state[self.driver.AVAILABILITY_ZONES]
self.assertEqual(2, len(az_tuples))
for az in az_tuples:
map(self.assertEqual, expected_ret[az[0]], az)
# TODO(dse2): port or not. Unclear why we're doing this with Nova.
# def test_communication(self):
# """Test for communication.
# Test the module's ability to be loaded into the DSE
# by checking its ability to communicate on the message bus.
# """
# cage = d6cage.d6Cage()
# # Create modules.
# # Turn off polling so we don't need to deal with real data.
# args = helper.datasource_openstack_args()
# args['poll_time'] = 0
# cage.loadModule("NovaDriver",
# helper.data_module_path("nova_driver.py"))
# cage.loadModule("PolicyDriver", helper.policy_module_path())
# cage.createservice(name="policy", moduleName="PolicyDriver",
# args={'d6cage': cage,
# 'rootdir': helper.data_module_path(''),
# 'log_actions_only': True})
# cage.createservice(name="nova", moduleName="NovaDriver", args=args)
# # Check that data gets sent from nova to policy as expected
# nova = cage.service_object('nova')
# policy = cage.service_object('policy')
# policy.debug_mode()
# policy.create_policy('nova')
# policy.set_schema('nova', compile.Schema({'server': (1,)}))
# policy.subscribe('nova', 'server',
# callback=policy.receive_data)
# # publishing is slightly convoluted b/c deltas are computed
# # automatically. (Not just convenient--useful so that DSE
# # properly handles the initial state problem.)
# # Need to set nova.state and nova.prior_state and then publish
# # anything.
# # publish server(1), server(2), server(3)
# helper.retry_check_subscribers(nova, [(policy.name, 'server')])
# nova.prior_state = {}
# nova.state['server'] = set([(1,), (2,), (3,)])
# nova.publish('server', None)
# helper.retry_check_db_equal(
# policy, 'nova:server(x)',
# 'nova:server(1) nova:server(2) nova:server(3)')
# # publish server(1), server(4), server(5)
# nova.prior_state['server'] = nova.state['server']
# nova.state['server'] = set([(1,), (4,), (5,)])
# nova.publish('server', None)
# helper.retry_check_db_equal(
# policy, 'nova:server(x)',
# 'nova:server(1) nova:server(4) nova:server(5)')
# TODO(thinrichs): test that Nova's polling functionality
# works properly. Or perhaps could bundle this into the
# tests above if we check self.state results.
# See Neutron's test_polling
def test_execute(self):
class NovaClient(object):
def __init__(self):
self.testkey = None
def connectNetwork(self, arg1):
self.testkey = 'arg1=%s' % arg1
nova_client = NovaClient()
self.driver.nova_client = nova_client
api_args = {
'positional': ['1']
}
expected_ans = 'arg1=1'
self.driver.execute('connectNetwork', api_args)
self.assertEqual(expected_ans, nova_client.testkey)
def test_execute_servers_set_meta(self):
args = {'positional': ['1', 'meta-key1', 'meta-value1']}
action_args = {'named': {'server': '1',
'metadata': {'meta-key1': 'meta-value1'}}}
with mock.patch.object(self.driver, '_execute_api') as mock_ea:
self.driver.servers_set_meta(args)
mock_ea.assert_called_with(self.driver.nova_client,
'servers.set_meta',
action_args)
def test_execute_with_non_executable_method(self):
action_args = {'positional': ['1', 'meta-key1', 'meta-value1']}
self.assertRaises(exception.CongressException,
self.driver.execute,
'get_nova_credentials_v2', action_args)