338 lines
13 KiB
Python
338 lines
13 KiB
Python
# Copyright 2011 Justin Santa Barbara
|
|
# 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.
|
|
|
|
"""
|
|
Provides common functionality for integrated unit tests
|
|
"""
|
|
|
|
import random
|
|
import string
|
|
import time
|
|
|
|
from oslo_log import log as logging
|
|
|
|
import nova.conf
|
|
import nova.image.glance
|
|
from nova import test
|
|
from nova.tests import fixtures as nova_fixtures
|
|
from nova.tests.functional.api import client as api_client
|
|
from nova.tests.unit import cast_as_call
|
|
import nova.tests.unit.image.fake
|
|
from nova.tests import uuidsentinel as uuids
|
|
|
|
|
|
CONF = nova.conf.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def generate_random_alphanumeric(length):
|
|
"""Creates a random alphanumeric string of specified length."""
|
|
return ''.join(random.choice(string.ascii_uppercase + string.digits)
|
|
for _x in range(length))
|
|
|
|
|
|
def generate_random_numeric(length):
|
|
"""Creates a random numeric string of specified length."""
|
|
return ''.join(random.choice(string.digits)
|
|
for _x in range(length))
|
|
|
|
|
|
def generate_new_element(items, prefix, numeric=False):
|
|
"""Creates a random string with prefix, that is not in 'items' list."""
|
|
while True:
|
|
if numeric:
|
|
candidate = prefix + generate_random_numeric(8)
|
|
else:
|
|
candidate = prefix + generate_random_alphanumeric(8)
|
|
if candidate not in items:
|
|
return candidate
|
|
LOG.debug("Random collision on %s", candidate)
|
|
|
|
|
|
class _IntegratedTestBase(test.TestCase):
|
|
REQUIRES_LOCKING = True
|
|
ADMIN_API = False
|
|
# Override this in subclasses which use the NeutronFixture. New tests
|
|
# should rely on Neutron since nova-network is deprecated. The default
|
|
# value of False here is only temporary while we update the existing
|
|
# functional tests to use Neutron.
|
|
USE_NEUTRON = False
|
|
|
|
def setUp(self):
|
|
super(_IntegratedTestBase, self).setUp()
|
|
|
|
# TODO(mriedem): Fix the functional tests to work with Neutron.
|
|
self.flags(use_neutron=self.USE_NEUTRON)
|
|
|
|
nova.tests.unit.image.fake.stub_out_image_service(self)
|
|
|
|
self.useFixture(cast_as_call.CastAsCall(self))
|
|
placement = self.useFixture(nova_fixtures.PlacementFixture())
|
|
self.placement_api = placement.api
|
|
|
|
self._setup_services()
|
|
|
|
self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
|
|
|
|
def _setup_compute_service(self):
|
|
return self.start_service('compute')
|
|
|
|
def _setup_scheduler_service(self):
|
|
return self.start_service('scheduler')
|
|
|
|
def _setup_services(self):
|
|
# NOTE(danms): Set the global MQ connection to that of our first cell
|
|
# for any cells-ignorant code. Normally this is defaulted in the tests
|
|
# which will result in us not doing the right thing.
|
|
if 'cell1' in self.cell_mappings:
|
|
self.flags(transport_url=self.cell_mappings['cell1'].transport_url)
|
|
self.conductor = self.start_service('conductor')
|
|
self.consoleauth = self.start_service('consoleauth')
|
|
|
|
if self.USE_NEUTRON:
|
|
self.neutron = self.useFixture(nova_fixtures.NeutronFixture(self))
|
|
else:
|
|
self.network = self.start_service('network',
|
|
manager=CONF.network_manager)
|
|
self.scheduler = self._setup_scheduler_service()
|
|
|
|
self.compute = self._setup_compute_service()
|
|
self.api_fixture = self.useFixture(
|
|
nova_fixtures.OSAPIFixture(self.api_major_version))
|
|
|
|
# if the class needs to run as admin, make the api endpoint
|
|
# the admin, otherwise it's safer to run as non admin user.
|
|
if self.ADMIN_API:
|
|
self.api = self.api_fixture.admin_api
|
|
else:
|
|
self.api = self.api_fixture.api
|
|
|
|
if hasattr(self, 'microversion'):
|
|
self.api.microversion = self.microversion
|
|
|
|
def get_unused_server_name(self):
|
|
servers = self.api.get_servers()
|
|
server_names = [server['name'] for server in servers]
|
|
return generate_new_element(server_names, 'server')
|
|
|
|
def get_unused_flavor_name_id(self):
|
|
flavors = self.api.get_flavors()
|
|
flavor_names = list()
|
|
flavor_ids = list()
|
|
[(flavor_names.append(flavor['name']),
|
|
flavor_ids.append(flavor['id']))
|
|
for flavor in flavors]
|
|
return (generate_new_element(flavor_names, 'flavor'),
|
|
int(generate_new_element(flavor_ids, '', True)))
|
|
|
|
def get_invalid_image(self):
|
|
return uuids.fake
|
|
|
|
def _build_minimal_create_server_request(self, image_uuid=None):
|
|
server = {}
|
|
|
|
# NOTE(takashin): In API version 2.36, image APIs were deprecated.
|
|
# In API version 2.36 or greater, self.api.get_images() returns
|
|
# a 404 error. In that case, 'image_uuid' should be specified.
|
|
server[self._image_ref_parameter] = (image_uuid or
|
|
self.api.get_images()[0]['id'])
|
|
|
|
# Set a valid flavorId
|
|
flavor = self.api.get_flavors()[0]
|
|
LOG.debug("Using flavor: %s", flavor)
|
|
server[self._flavor_ref_parameter] = ('http://fake.server/%s'
|
|
% flavor['id'])
|
|
|
|
# Set a valid server name
|
|
server_name = self.get_unused_server_name()
|
|
server['name'] = server_name
|
|
return server
|
|
|
|
def _create_flavor_body(self, name, ram, vcpus, disk, ephemeral, id, swap,
|
|
rxtx_factor, is_public):
|
|
return {
|
|
"flavor": {
|
|
"name": name,
|
|
"ram": ram,
|
|
"vcpus": vcpus,
|
|
"disk": disk,
|
|
"OS-FLV-EXT-DATA:ephemeral": ephemeral,
|
|
"id": id,
|
|
"swap": swap,
|
|
"rxtx_factor": rxtx_factor,
|
|
"os-flavor-access:is_public": is_public,
|
|
}
|
|
}
|
|
|
|
def _create_flavor(self, memory_mb=2048, vcpu=2, disk=10, ephemeral=10,
|
|
swap=0, rxtx_factor=1.0, is_public=True,
|
|
extra_spec=None):
|
|
flv_name, flv_id = self.get_unused_flavor_name_id()
|
|
body = self._create_flavor_body(flv_name, memory_mb, vcpu, disk,
|
|
ephemeral, flv_id, swap, rxtx_factor,
|
|
is_public)
|
|
self.api_fixture.admin_api.post_flavor(body)
|
|
if extra_spec is not None:
|
|
spec = {"extra_specs": extra_spec}
|
|
self.api_fixture.admin_api.post_extra_spec(flv_id, spec)
|
|
return flv_id
|
|
|
|
def _build_server(self, flavor_id, image=None):
|
|
server = {}
|
|
if image is None:
|
|
image = self.api.get_images()[0]
|
|
LOG.debug("Image: %s", image)
|
|
|
|
# We now have a valid imageId
|
|
server[self._image_ref_parameter] = image['id']
|
|
else:
|
|
server[self._image_ref_parameter] = image
|
|
|
|
# Set a valid flavorId
|
|
flavor = self.api.get_flavor(flavor_id)
|
|
LOG.debug("Using flavor: %s", flavor)
|
|
server[self._flavor_ref_parameter] = ('http://fake.server/%s'
|
|
% flavor['id'])
|
|
|
|
# Set a valid server name
|
|
server_name = self.get_unused_server_name()
|
|
server['name'] = server_name
|
|
return server
|
|
|
|
def _check_api_endpoint(self, endpoint, expected_middleware):
|
|
app = self.api_fixture.app().get((None, '/v2'))
|
|
|
|
while getattr(app, 'application', False):
|
|
for middleware in expected_middleware:
|
|
if isinstance(app.application, middleware):
|
|
expected_middleware.remove(middleware)
|
|
break
|
|
app = app.application
|
|
|
|
self.assertEqual([],
|
|
expected_middleware,
|
|
("The expected wsgi middlewares %s are not "
|
|
"existed") % expected_middleware)
|
|
|
|
|
|
class InstanceHelperMixin(object):
|
|
def _wait_for_server_parameter(self, admin_api, server, expected_params,
|
|
max_retries=10):
|
|
retry_count = 0
|
|
while True:
|
|
server = admin_api.get_server(server['id'])
|
|
if all([server[attr] == expected_params[attr]
|
|
for attr in expected_params]):
|
|
break
|
|
retry_count += 1
|
|
if retry_count == max_retries:
|
|
self.fail('Wait for state change failed, '
|
|
'expected_params=%s, server=%s'
|
|
% (expected_params, server))
|
|
time.sleep(0.5)
|
|
|
|
return server
|
|
|
|
def _wait_for_state_change(self, admin_api, server, expected_status,
|
|
max_retries=10):
|
|
return self._wait_for_server_parameter(
|
|
admin_api, server, {'status': expected_status}, max_retries)
|
|
|
|
def _build_minimal_create_server_request(self, api, name, image_uuid=None,
|
|
flavor_id=None, networks=None):
|
|
server = {}
|
|
|
|
# We now have a valid imageId
|
|
server['imageRef'] = image_uuid or api.get_images()[0]['id']
|
|
|
|
if not flavor_id:
|
|
# Set a valid flavorId
|
|
flavor_id = api.get_flavors()[1]['id']
|
|
server['flavorRef'] = ('http://fake.server/%s' % flavor_id)
|
|
server['name'] = name
|
|
if networks is not None:
|
|
server['networks'] = networks
|
|
return server
|
|
|
|
def _wait_until_deleted(self, server):
|
|
try:
|
|
for i in range(40):
|
|
server = self.api.get_server(server['id'])
|
|
if server['status'] == 'ERROR':
|
|
self.fail('Server went to error state instead of'
|
|
'disappearing.')
|
|
time.sleep(0.5)
|
|
|
|
self.fail('Server failed to delete.')
|
|
except api_client.OpenStackApiNotFoundException:
|
|
return
|
|
|
|
def _wait_for_action_fail_completion(
|
|
self, server, expected_action, event_name, api=None):
|
|
"""Polls instance action events for the given instance, action and
|
|
action event name until it finds the action event with an error
|
|
result.
|
|
"""
|
|
if api is None:
|
|
api = self.api
|
|
completion_event = None
|
|
for attempt in range(10):
|
|
actions = api.get_instance_actions(server['id'])
|
|
# Look for the migrate action.
|
|
for action in actions:
|
|
if action['action'] == expected_action:
|
|
events = (
|
|
api.api_get(
|
|
'/servers/%s/os-instance-actions/%s' %
|
|
(server['id'], action['request_id'])
|
|
).body['instanceAction']['events'])
|
|
# Look for the action event being in error state.
|
|
for event in events:
|
|
if (event['event'] == event_name and
|
|
event['result'] is not None and
|
|
event['result'].lower() == 'error'):
|
|
completion_event = event
|
|
# Break out of the events loop.
|
|
break
|
|
if completion_event:
|
|
# Break out of the actions loop.
|
|
break
|
|
# We didn't find the completion event yet, so wait a bit.
|
|
time.sleep(0.5)
|
|
|
|
if completion_event is None:
|
|
self.fail('Timed out waiting for %s failure event. Current '
|
|
'instance actions: %s' % (event_name, actions))
|
|
|
|
def _wait_for_migration_status(self, server, expected_statuses):
|
|
"""Waits for a migration record with the given statuses to be found
|
|
for the given server, else the test fails. The migration record, if
|
|
found, is returned.
|
|
"""
|
|
api = getattr(self, 'admin_api', None)
|
|
if api is None:
|
|
api = self.api
|
|
|
|
statuses = [status.lower() for status in expected_statuses]
|
|
for attempt in range(10):
|
|
migrations = api.api_get('/os-migrations').body['migrations']
|
|
for migration in migrations:
|
|
if (migration['instance_uuid'] == server['id'] and
|
|
migration['status'].lower() in statuses):
|
|
return migration
|
|
time.sleep(0.5)
|
|
self.fail('Timed out waiting for migration with status "%s" for '
|
|
'instance: %s' % (expected_statuses, server['id']))
|