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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.
"""Unit tests for compute API."""
from nova.compute import api as compute_api
from nova.compute import cells_api as compute_cells_api
from nova.compute import flavors
from nova.compute import instance_actions
from nova.compute import task_states
from nova.compute import vm_states
from nova import context
from nova import exception
from nova.objects import instance as instance_obj
from nova.openstack.common import timeutils
from nova.openstack.common import uuidutils
from nova import test
FAKE_IMAGE_REF = 'fake-image-ref'
NODENAME = 'fakenode1'
class _ComputeAPIUnitTestMixIn(object):
def setUp(self):
super(_ComputeAPIUnitTestMixIn, self).setUp()
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id,
self.project_id)
def _create_flavor(self, params=None):
flavor = {'id': 1,
'flavorid': 1,
'name': 'm1.tiny',
'memory_mb': 512,
'vcpus': 1,
'vcpu_weight': None,
'root_gb': 1,
'ephemeral_gb': 0,
'rxtx_factor': 1,
'swap': 0,
'deleted': 0,
'disabled': False,
'is_public': True,
}
if params:
flavor.update(params)
return flavor
def _create_instance_obj(self, params=None, flavor=None):
"""Create a test instance."""
if not params:
params = {}
if flavor is None:
flavor = self._create_flavor()
def make_fake_sys_meta():
sys_meta = {}
for key in flavors.system_metadata_flavor_props:
sys_meta['instance_type_%s' % key] = flavor[key]
return sys_meta
now = timeutils.utcnow()
instance = instance_obj.Instance()
instance.id = 1
instance.uuid = uuidutils.generate_uuid()
instance.cell_name = 'api!child'
instance.vm_state = vm_states.ACTIVE
instance.task_state = None
instance.image_ref = FAKE_IMAGE_REF
instance.reservation_id = 'r-fakeres'
instance.user_id = self.user_id
instance.project_id = self.project_id
instance.host = 'fake_host'
instance.node = NODENAME
instance.instance_type_id = flavor['id']
instance.ami_launch_index = 0
instance.memory_mb = 0
instance.vcpus = 0
instance.root_gb = 0
instance.ephemeral_gb = 0
instance.architecture = 'x86_64'
instance.os_type = 'Linux'
instance.system_metadata = make_fake_sys_meta()
instance.locked = False
instance.created_at = now
instance.updated_at = now
instance.launched_at = now
if params:
instance.update(params)
instance.obj_reset_changes()
return instance
def test_start(self):
params = dict(vm_state=vm_states.STOPPED)
instance = self._create_instance_obj(params=params)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
self.mox.StubOutWithMock(
self.compute_api.compute_rpcapi,
'start_instance')
instance.save(expected_task_state=None)
self.compute_api._record_action_start(self.context,
instance, instance_actions.START)
self.compute_api.compute_rpcapi.start_instance(
self.context, instance)
if self.is_cells:
self.mox.StubOutWithMock(self.compute_api, '_cast_to_cells')
self.compute_api._cast_to_cells(
self.context, instance, 'start')
self.mox.ReplayAll()
self.compute_api.start(self.context, instance)
self.assertEqual(task_states.POWERING_ON,
instance.task_state)
def test_start_invalid_state(self):
instance = self._create_instance_obj()
self.assertEqual(instance.vm_state, vm_states.ACTIVE)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.start,
self.context, instance)
def test_start_no_host(self):
params = dict(vm_state=vm_states.STOPPED, host='')
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceNotReady,
self.compute_api.start,
self.context, instance)
def test_stop(self):
# Make sure 'progress' gets reset
params = dict(task_state=None, progress=99)
instance = self._create_instance_obj(params=params)
self.mox.StubOutWithMock(instance, 'save')
self.mox.StubOutWithMock(self.compute_api,
'_record_action_start')
self.mox.StubOutWithMock(
self.compute_api.compute_rpcapi,
'stop_instance')
instance.save(expected_task_state=None)
self.compute_api._record_action_start(self.context,
instance, instance_actions.STOP)
self.compute_api.compute_rpcapi.stop_instance(
self.context, instance, cast=True)
if self.is_cells:
self.mox.StubOutWithMock(self.compute_api, '_cast_to_cells')
self.compute_api._cast_to_cells(
self.context, instance, 'stop', do_cast=True)
self.mox.ReplayAll()
self.compute_api.stop(self.context, instance)
self.assertEqual(task_states.POWERING_OFF,
instance.task_state)
self.assertEqual(0, instance.progress)
def test_stop_invalid_state(self):
params = dict(vm_state=vm_states.PAUSED)
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.stop,
self.context, instance)
def test_stop_a_stopped_inst(self):
params = {'vm_state': vm_states.STOPPED}
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceInvalidState,
self.compute_api.stop,
self.context, instance)
def test_stop_no_host(self):
params = {'host': ''}
instance = self._create_instance_obj(params=params)
self.assertRaises(exception.InstanceNotReady,
self.compute_api.stop,
self.context, instance)
class ComputeAPIUnitTestCase(_ComputeAPIUnitTestMixIn, test.NoDBTestCase):
def setUp(self):
super(ComputeAPIUnitTestCase, self).setUp()
self.compute_api = compute_api.API()
self.is_cells = False
class ComputeCellsAPIUnitTestCase(_ComputeAPIUnitTestMixIn, test.NoDBTestCase):
def setUp(self):
super(ComputeCellsAPIUnitTestCase, self).setUp()
self.compute_api = compute_cells_api.ComputeCellsAPI()
self.is_cells = True
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