206 lines
7.5 KiB
Python
206 lines
7.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation
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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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import urlparse
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from cinderclient import exceptions as cinder_exception
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from nova import context
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from nova import exception
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from nova.volume import cinder
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from nova import test
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def _stub_volume(**kwargs):
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volume = {
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'display_name': None,
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'display_description': None,
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"attachments": [],
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"availability_zone": "cinder",
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"created_at": "2012-09-10T00:00:00.000000",
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"id": '00000000-0000-0000-0000-000000000000',
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"metadata": {},
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"size": 1,
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"snapshot_id": None,
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"status": "available",
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"volume_type": "None",
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}
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volume.update(kwargs)
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return volume
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_image_metadata = {
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'kernel_id': 'fake',
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'ramdisk_id': 'fake'
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}
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class FakeHTTPClient(cinder.cinder_client.client.HTTPClient):
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def _cs_request(self, url, method, **kwargs):
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# Check that certain things are called correctly
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if method in ['GET', 'DELETE']:
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assert 'body' not in kwargs
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elif method == 'PUT':
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assert 'body' in kwargs
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# Call the method
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args = urlparse.parse_qsl(urlparse.urlparse(url)[4])
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kwargs.update(args)
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munged_url = url.rsplit('?', 1)[0]
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munged_url = munged_url.strip('/').replace('/', '_').replace('.', '_')
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munged_url = munged_url.replace('-', '_')
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callback = "%s_%s" % (method.lower(), munged_url)
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if not hasattr(self, callback):
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raise AssertionError('Called unknown API method: %s %s, '
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'expected fakes method name: %s' %
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(method, url, callback))
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# Note the call
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self.callstack.append((method, url, kwargs.get('body', None)))
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status, body = getattr(self, callback)(**kwargs)
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if hasattr(status, 'items'):
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return status, body
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else:
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return {"status": status}, body
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def get_volumes_1234(self, **kw):
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volume = {'volume': _stub_volume(id='1234')}
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return (200, volume)
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def get_volumes_nonexisting(self, **kw):
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raise cinder_exception.NotFound(code=404, message='Resource not found')
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def get_volumes_5678(self, **kw):
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"""Volume with image metadata."""
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volume = {'volume': _stub_volume(id='1234',
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volume_image_metadata=_image_metadata)
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}
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return (200, volume)
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class FakeCinderClient(cinder.cinder_client.Client):
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def __init__(self, username, password, project_id=None, auth_url=None,
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insecure=False, retries=None, cacert=None):
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super(FakeCinderClient, self).__init__(username, password,
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project_id=project_id,
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auth_url=auth_url,
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insecure=insecure,
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retries=retries,
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cacert=cacert)
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self.client = FakeHTTPClient(username, password, project_id, auth_url,
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insecure=insecure, retries=retries,
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cacert=cacert)
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# keep a ref to the clients callstack for factory's assert_called
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self.callstack = self.client.callstack = []
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class FakeClientFactory(object):
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"""Keep a ref to the FakeClient since volume.api.cinder throws it away."""
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def __call__(self, *args, **kwargs):
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self.client = FakeCinderClient(*args, **kwargs)
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return self.client
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def assert_called(self, method, url, body=None, pos=-1):
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expected = (method, url)
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called = self.client.callstack[pos][0:2]
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assert self.client.callstack, ("Expected %s %s but no calls "
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"were made." % expected)
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assert expected == called, 'Expected %s %s; got %s %s' % (expected +
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called)
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if body is not None:
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assert self.client.callstack[pos][2] == body
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class CinderTestCase(test.NoDBTestCase):
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"""Test case for cinder volume api."""
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def setUp(self):
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super(CinderTestCase, self).setUp()
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self.fake_client_factory = FakeClientFactory()
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self.stubs.Set(cinder.cinder_client, "Client",
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self.fake_client_factory)
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self.api = cinder.API()
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catalog = [{
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"type": "volume",
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"name": "cinder",
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"endpoints": [{"publicURL": "http://localhost:8776/v1/project_id"}]
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}]
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self.context = context.RequestContext('username', 'project_id',
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service_catalog=catalog)
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def assert_called(self, *args, **kwargs):
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self.fake_client_factory.assert_called(*args, **kwargs)
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def test_context_with_catalog(self):
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self.api.get(self.context, '1234')
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self.assert_called('GET', '/volumes/1234')
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self.assertEqual(
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self.fake_client_factory.client.client.management_url,
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'http://localhost:8776/v1/project_id')
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def test_cinder_endpoint_template(self):
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self.flags(
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cinder_endpoint_template='http://other_host:8776/v1/%(project_id)s'
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)
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self.api.get(self.context, '1234')
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self.assert_called('GET', '/volumes/1234')
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self.assertEqual(
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self.fake_client_factory.client.client.management_url,
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'http://other_host:8776/v1/project_id')
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def test_get_non_existing_volume(self):
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self.assertRaises(exception.VolumeNotFound, self.api.get, self.context,
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'nonexisting')
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def test_volume_with_image_metadata(self):
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volume = self.api.get(self.context, '5678')
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self.assert_called('GET', '/volumes/5678')
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self.assertIn('volume_image_metadata', volume)
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self.assertEqual(volume['volume_image_metadata'], _image_metadata)
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def test_cinder_api_insecure(self):
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# The True/False negation is awkward, but better for the client
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# to pass us insecure=True and we check verify_cert == False
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self.flags(cinder_api_insecure=True)
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self.api.get(self.context, '1234')
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self.assert_called('GET', '/volumes/1234')
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self.assertEqual(
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self.fake_client_factory.client.client.verify_cert, False)
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def test_cinder_api_cacert_file(self):
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cacert = "/etc/ssl/certs/ca-certificates.crt"
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self.flags(cinder_ca_certificates_file=cacert)
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self.api.get(self.context, '1234')
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self.assert_called('GET', '/volumes/1234')
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self.assertEqual(
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self.fake_client_factory.client.client.verify_cert, cacert)
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def test_cinder_http_retries(self):
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retries = 42
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self.flags(cinder_http_retries=retries)
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self.api.get(self.context, '1234')
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self.assert_called('GET', '/volumes/1234')
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self.assertEqual(
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self.fake_client_factory.client.client.retries, retries)
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