# vim: tabstop=4 shiftwidth=4 softtabstop=4 # # Copyright 2012 New Dream Network, LLC (DreamHost) # # 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. # # @author: Mark McClain, DreamHost import socket import mock import testtools import webob from neutron.agent.metadata import agent from neutron.common import utils from neutron.tests import base class FakeConf(object): admin_user = 'neutron' admin_password = 'password' admin_tenant_name = 'tenant' auth_url = 'http://127.0.0.1' auth_strategy = 'keystone' auth_region = 'region' endpoint_type = 'adminURL' nova_metadata_ip = '9.9.9.9' nova_metadata_port = 8775 metadata_proxy_shared_secret = 'secret' class TestMetadataProxyHandler(base.BaseTestCase): def setUp(self): super(TestMetadataProxyHandler, self).setUp() self.qclient_p = mock.patch('neutronclient.v2_0.client.Client') self.qclient = self.qclient_p.start() self.addCleanup(self.qclient_p.stop) self.log_p = mock.patch.object(agent, 'LOG') self.log = self.log_p.start() self.addCleanup(self.log_p.stop) self.handler = agent.MetadataProxyHandler(FakeConf) def test_call(self): req = mock.Mock() with mock.patch.object(self.handler, '_get_instance_id') as get_id: get_id.return_value = 'id' with mock.patch.object(self.handler, '_proxy_request') as proxy: proxy.return_value = 'value' retval = self.handler(req) self.assertEqual(retval, 'value') def test_call_no_instance_match(self): req = mock.Mock() with mock.patch.object(self.handler, '_get_instance_id') as get_id: get_id.return_value = None retval = self.handler(req) self.assertIsInstance(retval, webob.exc.HTTPNotFound) def test_call_internal_server_error(self): req = mock.Mock() with mock.patch.object(self.handler, '_get_instance_id') as get_id: get_id.side_effect = Exception retval = self.handler(req) self.assertIsInstance(retval, webob.exc.HTTPInternalServerError) self.assertEqual(len(self.log.mock_calls), 2) def _get_instance_id_helper(self, headers, list_ports_retval, networks=None, router_id=None): headers['X-Forwarded-For'] = '192.168.1.1' req = mock.Mock(headers=headers) def mock_list_ports(*args, **kwargs): return {'ports': list_ports_retval.pop(0)} self.qclient.return_value.list_ports.side_effect = mock_list_ports retval = self.handler._get_instance_id(req) expected = [ mock.call( username=FakeConf.admin_user, tenant_name=FakeConf.admin_tenant_name, region_name=FakeConf.auth_region, auth_url=FakeConf.auth_url, password=FakeConf.admin_password, auth_strategy=FakeConf.auth_strategy, auth_token=None, endpoint_url=None, endpoint_type=FakeConf.endpoint_type) ] if router_id: expected.append( mock.call().list_ports( device_id=router_id, device_owner='network:router_interface' ) ) expected.append( mock.call().list_ports( network_id=networks or [], fixed_ips=['ip_address=192.168.1.1']) ) self.qclient.assert_has_calls(expected) return retval def test_get_instance_id_router_id(self): router_id = 'the_id' headers = { 'X-Neutron-Router-ID': router_id } networks = ['net1', 'net2'] ports = [ [{'network_id': 'net1'}, {'network_id': 'net2'}], [{'device_id': 'device_id'}] ] self.assertEqual( self._get_instance_id_helper(headers, ports, networks=networks, router_id=router_id), 'device_id' ) def test_get_instance_id_router_id_no_match(self): router_id = 'the_id' headers = { 'X-Neutron-Router-ID': router_id } networks = ['net1', 'net2'] ports = [ [{'network_id': 'net1'}, {'network_id': 'net2'}], [] ] self.assertIsNone( self._get_instance_id_helper(headers, ports, networks=networks, router_id=router_id), ) def test_get_instance_id_network_id(self): network_id = 'the_id' headers = { 'X-Neutron-Network-ID': network_id } ports = [ [{'device_id': 'device_id'}] ] self.assertEqual( self._get_instance_id_helper(headers, ports, networks=['the_id']), 'device_id' ) def test_get_instance_id_network_id_no_match(self): network_id = 'the_id' headers = { 'X-Neutron-Network-ID': network_id } ports = [[]] self.assertIsNone( self._get_instance_id_helper(headers, ports, networks=['the_id']) ) def _proxy_request_test_helper(self, response_code=200, method='GET'): hdrs = {'X-Forwarded-For': '8.8.8.8'} body = 'body' req = mock.Mock(path_info='/the_path', query_string='', headers=hdrs, method=method, body=body) resp = mock.Mock(status=response_code) with mock.patch.object(self.handler, '_sign_instance_id') as sign: sign.return_value = 'signed' with mock.patch('httplib2.Http') as mock_http: mock_http.return_value.request.return_value = (resp, 'content') retval = self.handler._proxy_request('the_id', req) mock_http.assert_has_calls([ mock.call().request( 'http://9.9.9.9:8775/the_path', method=method, headers={ 'X-Forwarded-For': '8.8.8.8', 'X-Instance-ID-Signature': 'signed', 'X-Instance-ID': 'the_id' }, body=body )] ) return retval def test_proxy_request_post(self): self.assertEqual('content', self._proxy_request_test_helper(method='POST')) def test_proxy_request_200(self): self.assertEqual('content', self._proxy_request_test_helper(200)) def test_proxy_request_403(self): self.assertIsInstance(self._proxy_request_test_helper(403), webob.exc.HTTPForbidden) def test_proxy_request_404(self): self.assertIsInstance(self._proxy_request_test_helper(404), webob.exc.HTTPNotFound) def test_proxy_request_409(self): self.assertIsInstance(self._proxy_request_test_helper(409), webob.exc.HTTPConflict) def test_proxy_request_500(self): self.assertIsInstance(self._proxy_request_test_helper(500), webob.exc.HTTPInternalServerError) def test_proxy_request_other_code(self): with testtools.ExpectedException(Exception): self._proxy_request_test_helper(302) def test_sign_instance_id(self): self.assertEqual( self.handler._sign_instance_id('foo'), '773ba44693c7553d6ee20f61ea5d2757a9a4f4a44d2841ae4e95b52e4cd62db4' ) class TestUnixDomainHttpProtocol(base.BaseTestCase): def test_init_empty_client(self): u = agent.UnixDomainHttpProtocol(mock.Mock(), '', mock.Mock()) self.assertEqual(u.client_address, ('', 0)) def test_init_with_client(self): u = agent.UnixDomainHttpProtocol(mock.Mock(), 'foo', mock.Mock()) self.assertEqual(u.client_address, 'foo') class TestUnixDomainWSGIServer(base.BaseTestCase): def setUp(self): super(TestUnixDomainWSGIServer, self).setUp() self.eventlet_p = mock.patch.object(agent, 'eventlet') self.eventlet = self.eventlet_p.start() self.addCleanup(self.eventlet_p.stop) self.server = agent.UnixDomainWSGIServer('test') def test_start(self): mock_app = mock.Mock() with mock.patch.object(self.server, 'pool') as pool: self.server.start(mock_app, '/the/path') self.eventlet.assert_has_calls([ mock.call.listen( '/the/path', family=socket.AF_UNIX, backlog=128 )] ) pool.spawn_n.assert_called_once_with( self.server._run, mock_app, self.eventlet.listen.return_value ) def test_run(self): with mock.patch.object(agent, 'logging') as logging: self.server._run('app', 'sock') self.eventlet.wsgi.server.called_once_with( 'sock', 'app', self.server.pool, agent.UnixDomainHttpProtocol, mock.ANY ) self.assertTrue(len(logging.mock_calls)) class TestUnixDomainMetadataProxy(base.BaseTestCase): def setUp(self): super(TestUnixDomainMetadataProxy, self).setUp() self.cfg_p = mock.patch.object(agent, 'cfg') self.cfg = self.cfg_p.start() self.addCleanup(self.cfg_p.stop) self.cfg.CONF.metadata_proxy_socket = '/the/path' def test_init_doesnot_exists(self): with mock.patch('os.path.isdir') as isdir: with mock.patch('os.makedirs') as makedirs: isdir.return_value = False agent.UnixDomainMetadataProxy(mock.Mock()) isdir.assert_called_once_with('/the') makedirs.assert_called_once_with('/the', 0o755) def test_init_exists(self): with mock.patch('os.path.isdir') as isdir: with mock.patch('os.unlink') as unlink: isdir.return_value = True agent.UnixDomainMetadataProxy(mock.Mock()) isdir.assert_called_once_with('/the') unlink.assert_called_once_with('/the/path') def test_init_exists_unlink_no_file(self): with mock.patch('os.path.isdir') as isdir: with mock.patch('os.unlink') as unlink: with mock.patch('os.path.exists') as exists: isdir.return_value = True exists.return_value = False unlink.side_effect = OSError agent.UnixDomainMetadataProxy(mock.Mock()) isdir.assert_called_once_with('/the') unlink.assert_called_once_with('/the/path') exists.assert_called_once_with('/the/path') def test_init_exists_unlink_fails_file_still_exists(self): with mock.patch('os.path.isdir') as isdir: with mock.patch('os.unlink') as unlink: with mock.patch('os.path.exists') as exists: isdir.return_value = True exists.return_value = True unlink.side_effect = OSError with testtools.ExpectedException(OSError): agent.UnixDomainMetadataProxy(mock.Mock()) isdir.assert_called_once_with('/the') unlink.assert_called_once_with('/the/path') exists.assert_called_once_with('/the/path') def test_run(self): with mock.patch.object(agent, 'MetadataProxyHandler') as handler: with mock.patch.object(agent, 'UnixDomainWSGIServer') as server: with mock.patch('os.path.isdir') as isdir: with mock.patch('os.makedirs') as makedirs: isdir.return_value = False p = agent.UnixDomainMetadataProxy(self.cfg.CONF) p.run() isdir.assert_called_once_with('/the') makedirs.assert_called_once_with('/the', 0o755) server.assert_has_calls([ mock.call('neutron-metadata-agent'), mock.call().start(handler.return_value, '/the/path'), mock.call().wait()] ) def test_main(self): with mock.patch.object(agent, 'UnixDomainMetadataProxy') as proxy: with mock.patch('eventlet.monkey_patch') as eventlet: with mock.patch.object(agent, 'config') as config: with mock.patch.object(agent, 'cfg') as cfg: with mock.patch.object(utils, 'cfg'): agent.main() self.assertTrue(eventlet.called) self.assertTrue(config.setup_logging.called) proxy.assert_has_calls([ mock.call(cfg.CONF), mock.call().run()] )