161 lines
5.3 KiB
Python
161 lines
5.3 KiB
Python
# Copyright 2011 Justin Santa Barbara
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Provides common functionality for integrated unit tests
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"""
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import random
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import string
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import uuid
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from oslo.config import cfg
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import nova.image.glance
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from nova.openstack.common import log as logging
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from nova import service
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from nova import test
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from nova.tests import cast_as_call
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from nova.tests import fake_crypto
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import nova.tests.image.fake
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from nova.tests.integrated.api import client
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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CONF.import_opt('manager', 'nova.cells.opts', group='cells')
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def generate_random_alphanumeric(length):
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"""Creates a random alphanumeric string of specified length."""
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return ''.join(random.choice(string.ascii_uppercase + string.digits)
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for _x in range(length))
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def generate_random_numeric(length):
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"""Creates a random numeric string of specified length."""
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return ''.join(random.choice(string.digits)
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for _x in range(length))
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def generate_new_element(items, prefix, numeric=False):
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"""Creates a random string with prefix, that is not in 'items' list."""
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while True:
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if numeric:
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candidate = prefix + generate_random_numeric(8)
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else:
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candidate = prefix + generate_random_alphanumeric(8)
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if candidate not in items:
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return candidate
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LOG.debug("Random collision on %s" % candidate)
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class _IntegratedTestBase(test.TestCase):
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def setUp(self):
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super(_IntegratedTestBase, self).setUp()
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f = self._get_flags()
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self.flags(**f)
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self.flags(verbose=True)
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self.flags(periodic_enable=False)
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self.useFixture(test.ReplaceModule('crypto', fake_crypto))
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nova.tests.image.fake.stub_out_image_service(self.stubs)
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self.flags(scheduler_driver='nova.scheduler.'
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'chance.ChanceScheduler')
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self._setup_services()
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self._start_api_service()
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self.api = self._get_test_client()
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self.useFixture(cast_as_call.CastAsCall(self.stubs))
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def _setup_services(self):
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self.conductor = self.start_service('conductor',
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manager=CONF.conductor.manager)
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self.compute = self.start_service('compute')
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self.cert = self.start_service('cert')
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self.consoleauth = self.start_service('consoleauth')
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self.network = self.start_service('network')
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self.scheduler = self.start_service('scheduler')
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self.cells = self.start_service('cells', manager=CONF.cells.manager)
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def tearDown(self):
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self.osapi.stop()
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nova.tests.image.fake.FakeImageService_reset()
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super(_IntegratedTestBase, self).tearDown()
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def _get_test_client(self):
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return client.TestOpenStackClient('fake', 'fake', self.auth_url)
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def _start_api_service(self):
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self.osapi = service.WSGIService("osapi_compute")
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self.osapi.start()
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self.auth_url = 'http://%(host)s:%(port)s/%(api_version)s' % ({
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'host': self.osapi.host, 'port': self.osapi.port,
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'api_version': self._api_version})
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def _get_flags(self):
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"""An opportunity to setup flags, before the services are started."""
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f = {}
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# Ensure tests only listen on localhost
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f['ec2_listen'] = '127.0.0.1'
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f['osapi_compute_listen'] = '127.0.0.1'
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f['metadata_listen'] = '127.0.0.1'
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# Auto-assign ports to allow concurrent tests
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f['ec2_listen_port'] = 0
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f['osapi_compute_listen_port'] = 0
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f['metadata_listen_port'] = 0
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f['fake_network'] = True
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return f
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def get_unused_server_name(self):
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servers = self.api.get_servers()
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server_names = [server['name'] for server in servers]
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return generate_new_element(server_names, 'server')
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def get_invalid_image(self):
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return str(uuid.uuid4())
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def _build_minimal_create_server_request(self):
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server = {}
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image = self.api.get_images()[0]
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LOG.debug("Image: %s" % image)
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if self._image_ref_parameter in image:
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image_href = image[self._image_ref_parameter]
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else:
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image_href = image['id']
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image_href = 'http://fake.server/%s' % image_href
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# We now have a valid imageId
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server[self._image_ref_parameter] = image_href
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# Set a valid flavorId
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flavor = self.api.get_flavors()[0]
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LOG.debug("Using flavor: %s" % flavor)
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server[self._flavor_ref_parameter] = ('http://fake.server/%s'
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% flavor['id'])
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# Set a valid server name
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server_name = self.get_unused_server_name()
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server['name'] = server_name
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return server
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