# Copyright (c) 2010-2011 OpenStack Foundation # # 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. import mock import unittest from io import BytesIO from logging.handlers import SysLogHandler import six from six.moves.urllib.parse import unquote from swift.common.utils import get_logger, split_path from swift.common.middleware import proxy_logging from swift.common.swob import Request, Response from swift.common import constraints from swift.common.storage_policy import StoragePolicy from test.unit import FakeLogger from test.unit import patch_policies from test.unit.common.middleware.helpers import FakeAppThatExcepts class FakeApp(object): def __init__(self, body=None, response_str='200 OK', policy_idx='0'): if body is None: body = [b'FAKE APP'] elif isinstance(body, six.binary_type): body = [body] self.body = body self.response_str = response_str self.policy_idx = policy_idx def __call__(self, env, start_response): try: # /v1/a/c or /v1/a/c/o split_path(env['PATH_INFO'], 3, 4, True) is_container_or_object_req = True except ValueError: is_container_or_object_req = False headers = [('Content-Type', 'text/plain'), ('Content-Length', str(sum(map(len, self.body))))] if is_container_or_object_req and self.policy_idx is not None: headers.append(('X-Backend-Storage-Policy-Index', str(self.policy_idx))) start_response(self.response_str, headers) while env['wsgi.input'].read(5): pass return self.body class FakeAppNoContentLengthNoTransferEncoding(object): def __init__(self, body=None): if body is None: body = [b'FAKE APP'] self.body = body def __call__(self, env, start_response): start_response('200 OK', [('Content-Type', 'text/plain')]) while env['wsgi.input'].read(5): pass return self.body class FileLikeExceptor(object): def __init__(self): pass def read(self, len): raise IOError('of some sort') def readline(self, len=1024): raise IOError('of some sort') class FakeAppReadline(object): def __call__(self, env, start_response): start_response('200 OK', [('Content-Type', 'text/plain'), ('Content-Length', '8')]) env['wsgi.input'].readline() return [b"FAKE APP"] def start_response(*args): pass @patch_policies([StoragePolicy(0, 'zero', False)]) class TestProxyLogging(unittest.TestCase): def _log_parts(self, app, should_be_empty=False): info_calls = app.access_logger.log_dict['info'] if should_be_empty: self.assertEqual([], info_calls) else: self.assertEqual(1, len(info_calls)) return info_calls[0][0][0].split(' ') def assertTiming(self, exp_metric, app, exp_timing=None): timing_calls = app.access_logger.log_dict['timing'] found = False for timing_call in timing_calls: self.assertEqual({}, timing_call[1]) self.assertEqual(2, len(timing_call[0])) if timing_call[0][0] == exp_metric: found = True if exp_timing is not None: self.assertAlmostEqual(exp_timing, timing_call[0][1], places=4) if not found: self.fail('assertTiming: %s not found in %r' % ( exp_metric, timing_calls)) def assertNotTiming(self, not_exp_metric, app): timing_calls = app.access_logger.log_dict['timing'] for timing_call in timing_calls: self.assertNotEqual(not_exp_metric, timing_call[0][0]) def assertUpdateStats(self, exp_metrics_and_values, app): update_stats_calls = sorted(app.access_logger.log_dict['update_stats']) got_metrics_values_and_kwargs = [(usc[0][0], usc[0][1], usc[1]) for usc in update_stats_calls] exp_metrics_values_and_kwargs = [(emv[0], emv[1], {}) for emv in exp_metrics_and_values] self.assertEqual(got_metrics_values_and_kwargs, exp_metrics_values_and_kwargs) def test_log_request_statsd_invalid_stats_types(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() for url in ['/', '/foo', '/foo/bar', '/v1']: req = Request.blank(url, environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) # get body b''.join(resp) self.assertEqual([], app.access_logger.log_dict['timing']) self.assertEqual([], app.access_logger.log_dict['update_stats']) def test_log_request_stat_type_bad(self): for bad_path in ['', '/', '/bad', '/baddy/mc_badderson', '/v1', '/v1/']: app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank(bad_path, environ={'REQUEST_METHOD': 'GET'}) now = 10000.0 app.log_request(req, 123, 7, 13, now, now + 2.71828182846) self.assertEqual([], app.access_logger.log_dict['timing']) self.assertEqual([], app.access_logger.log_dict['update_stats']) def test_log_request_stat_type_good(self): """ log_request() should send timing and byte-count counters for GET requests. Also, __call__()'s iter_response() function should statsd-log time to first byte (calling the passed-in start_response function), but only for GET requests. """ stub_times = [] def stub_time(): return stub_times.pop(0) path_types = { '/v1/a': 'account', '/v1/a/': 'account', '/v1/a/c': 'container', '/v1/a/c/': 'container', '/v1/a/c/o': 'object', '/v1/a/c/o/': 'object', '/v1/a/c/o/p': 'object', '/v1/a/c/o/p/': 'object', '/v1/a/c/o/p/p2': 'object', } with mock.patch("time.time", stub_time): for path, exp_type in path_types.items(): # GET app = proxy_logging.ProxyLoggingMiddleware( FakeApp(body=b'7654321', response_str='321 Fubar'), {}) app.access_logger = FakeLogger() req = Request.blank(path, environ={ 'REQUEST_METHOD': 'GET', 'wsgi.input': BytesIO(b'4321')}) stub_times = [18.0, 18.5, 20.71828182846] iter_response = app(req.environ, lambda *_: None) self.assertEqual(b'7654321', b''.join(iter_response)) self.assertTiming('%s.GET.321.timing' % exp_type, app, exp_timing=2.71828182846 * 1000) if exp_type == 'object': # Object operations also return stats by policy # In this case, the value needs to match the timing for GET self.assertTiming('%s.policy.0.GET.321.timing' % exp_type, app, exp_timing=2.71828182846 * 1000) self.assertUpdateStats([('%s.GET.321.xfer' % exp_type, 4 + 7), ('object.policy.0.GET.321.xfer', 4 + 7)], app) else: self.assertUpdateStats([('%s.GET.321.xfer' % exp_type, 4 + 7)], app) # GET Repeat the test above, but with a non-existent policy # Do this only for object types if exp_type == 'object': app = proxy_logging.ProxyLoggingMiddleware( FakeApp(body=b'7654321', response_str='321 Fubar', policy_idx='-1'), {}) app.access_logger = FakeLogger() req = Request.blank(path, environ={ 'REQUEST_METHOD': 'GET', 'wsgi.input': BytesIO(b'4321')}) stub_times = [18.0, 18.5, 20.71828182846] iter_response = app(req.environ, lambda *_: None) self.assertEqual(b'7654321', b''.join(iter_response)) self.assertTiming('%s.GET.321.timing' % exp_type, app, exp_timing=2.71828182846 * 1000) # No results returned for the non-existent policy self.assertUpdateStats([('%s.GET.321.xfer' % exp_type, 4 + 7)], app) # GET with swift.proxy_access_log_made already set app = proxy_logging.ProxyLoggingMiddleware( FakeApp(body=b'7654321', response_str='321 Fubar'), {}) app.access_logger = FakeLogger() req = Request.blank(path, environ={ 'REQUEST_METHOD': 'GET', 'swift.proxy_access_log_made': True, 'wsgi.input': BytesIO(b'4321')}) stub_times = [18.0, 20.71828182846] iter_response = app(req.environ, lambda *_: None) self.assertEqual(b'7654321', b''.join(iter_response)) self.assertEqual([], app.access_logger.log_dict['timing']) self.assertEqual([], app.access_logger.log_dict['timing_since']) self.assertEqual([], app.access_logger.log_dict['update_stats']) # PUT (no first-byte timing!) app = proxy_logging.ProxyLoggingMiddleware( FakeApp(body=b'87654321', response_str='314 PiTown'), {}) app.access_logger = FakeLogger() req = Request.blank(path, environ={ 'REQUEST_METHOD': 'PUT', 'wsgi.input': BytesIO(b'654321')}) # (it's not a GET, so time() doesn't have a 2nd call) stub_times = [58.2, 58.2 + 7.3321] iter_response = app(req.environ, lambda *_: None) self.assertEqual(b'87654321', b''.join(iter_response)) self.assertTiming('%s.PUT.314.timing' % exp_type, app, exp_timing=7.3321 * 1000) self.assertNotTiming( '%s.GET.314.first-byte.timing' % exp_type, app) self.assertNotTiming( '%s.PUT.314.first-byte.timing' % exp_type, app) if exp_type == 'object': # Object operations also return stats by policy In this # case, the value needs to match the timing for PUT. self.assertTiming('%s.policy.0.PUT.314.timing' % exp_type, app, exp_timing=7.3321 * 1000) self.assertUpdateStats( [('object.PUT.314.xfer', 6 + 8), ('object.policy.0.PUT.314.xfer', 6 + 8)], app) else: self.assertUpdateStats( [('%s.PUT.314.xfer' % exp_type, 6 + 8)], app) # PUT Repeat the test above, but with a non-existent policy # Do this only for object types if exp_type == 'object': app = proxy_logging.ProxyLoggingMiddleware( FakeApp(body=b'87654321', response_str='314 PiTown', policy_idx='-1'), {}) app.access_logger = FakeLogger() req = Request.blank(path, environ={ 'REQUEST_METHOD': 'PUT', 'wsgi.input': BytesIO(b'654321')}) # (it's not a GET, so time() doesn't have a 2nd call) stub_times = [58.2, 58.2 + 7.3321] iter_response = app(req.environ, lambda *_: None) self.assertEqual(b'87654321', b''.join(iter_response)) self.assertTiming('%s.PUT.314.timing' % exp_type, app, exp_timing=7.3321 * 1000) self.assertNotTiming( '%s.GET.314.first-byte.timing' % exp_type, app) self.assertNotTiming( '%s.PUT.314.first-byte.timing' % exp_type, app) # No results returned for the non-existent policy self.assertUpdateStats([('object.PUT.314.xfer', 6 + 8)], app) def test_log_request_stat_method_filtering_default(self): method_map = { 'foo': 'BAD_METHOD', '': 'BAD_METHOD', 'PUTT': 'BAD_METHOD', 'SPECIAL': 'BAD_METHOD', 'GET': 'GET', 'PUT': 'PUT', 'COPY': 'COPY', 'HEAD': 'HEAD', 'POST': 'POST', 'DELETE': 'DELETE', 'OPTIONS': 'OPTIONS', } for method, exp_method in method_map.items(): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/v1/a/', environ={'REQUEST_METHOD': method}) now = 10000.0 app.log_request(req, 299, 11, 3, now, now + 1.17) self.assertTiming('account.%s.299.timing' % exp_method, app, exp_timing=1.17 * 1000) self.assertUpdateStats([('account.%s.299.xfer' % exp_method, 11 + 3)], app) def test_log_request_stat_method_filtering_custom(self): method_map = { 'foo': 'BAD_METHOD', '': 'BAD_METHOD', 'PUTT': 'BAD_METHOD', 'SPECIAL': 'SPECIAL', # will be configured 'GET': 'GET', 'PUT': 'PUT', 'COPY': 'BAD_METHOD', # prove no one's special } # this conf var supports optional leading access_ for conf_key in ['access_log_statsd_valid_http_methods', 'log_statsd_valid_http_methods']: for method, exp_method in method_map.items(): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { conf_key: 'SPECIAL, GET,PUT ', # crazy spaces ok }) app.access_logger = FakeLogger() req = Request.blank('/v1/a/c', environ={'REQUEST_METHOD': method}) now = 10000.0 app.log_request(req, 911, 4, 43, now, now + 1.01) self.assertTiming('container.%s.911.timing' % exp_method, app, exp_timing=1.01 * 1000) self.assertUpdateStats([('container.%s.911.xfer' % exp_method, 4 + 43)], app) def test_basic_req(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'FAKE APP') self.assertEqual(log_parts[11], str(len(resp_body))) def test_basic_req_second_time(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={ 'swift.proxy_access_log_made': True, 'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) self._log_parts(app, should_be_empty=True) self.assertEqual(resp_body, b'FAKE APP') def test_log_msg_template(self): # Access logs configuration should override the default one app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'log_anonymization_salt': 'secret_salt', 'log_msg_template': ( 'template which can be edited in config: ' '{protocol} {path} {method} ' '{path.anonymized} {container.anonymized} ' '{request_time} {start_time.datetime} {end_time} {ttfb}')}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) with mock.patch('time.time', mock.MagicMock( side_effect=[10000000.0, 10000000.5, 10000001.0])): resp = app(req.environ, start_response) resp_body = b''.join(resp) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[0], 'template') self.assertEqual(log_parts[7], 'HTTP/1.0') self.assertEqual(log_parts[8], '/') self.assertEqual(log_parts[9], 'GET') self.assertEqual(log_parts[10], '{SMD5}c65475e457fea0951fbb9ec9596b2177') self.assertEqual(log_parts[11], '-') self.assertEqual(log_parts[13], '26/Apr/1970/17/46/40') self.assertEqual(log_parts[14], '10000001.000000000') self.assertEqual(log_parts[15], '0.5') self.assertEqual(resp_body, b'FAKE APP') def test_invalid_log_config(self): with self.assertRaises(ValueError): proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'log_anonymization_salt': 'secret_salt', 'log_msg_template': '{invalid_field}'}) with self.assertRaises(ValueError): proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'log_anonymization_method': 'invalid_hash_method', 'log_anonymization_salt': 'secret_salt', 'log_msg_template': '{protocol}'}) def test_multi_segment_resp(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp( [b'some', b'chunks', b'of data']), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'swift.source': 'SOS'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'somechunksof data') self.assertEqual(log_parts[11], str(len(resp_body))) self.assertUpdateStats([('SOS.GET.200.xfer', len(resp_body))], app) def test_log_headers(self): for conf_key in ['access_log_headers', 'log_headers']: app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {conf_key: 'yes'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) headers = unquote(log_parts[14]).split('\n') self.assertTrue('Host: localhost:80' in headers) def test_access_log_headers_only(self): app = proxy_logging.ProxyLoggingMiddleware( FakeApp(), {'log_headers': 'yes', 'access_log_headers_only': 'FIRST, seCond'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}, headers={'First': '1', 'Second': '2', 'Third': '3'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) headers = unquote(log_parts[14]).split('\n') self.assertIn('First: 1', headers) self.assertIn('Second: 2', headers) self.assertNotIn('Third: 3', headers) self.assertNotIn('Host: localhost:80', headers) def test_upload_size(self): # Using default policy app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {'log_headers': 'yes'}) app.access_logger = FakeLogger() req = Request.blank( '/v1/a/c/o/foo', environ={'REQUEST_METHOD': 'PUT', 'wsgi.input': BytesIO(b'some stuff')}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[11], str(len('FAKE APP'))) self.assertEqual(log_parts[10], str(len('some stuff'))) self.assertUpdateStats([('object.PUT.200.xfer', len('some stuff') + len('FAKE APP')), ('object.policy.0.PUT.200.xfer', len('some stuff') + len('FAKE APP'))], app) # Using a non-existent policy app = proxy_logging.ProxyLoggingMiddleware(FakeApp(policy_idx='-1'), {'log_headers': 'yes'}) app.access_logger = FakeLogger() req = Request.blank( '/v1/a/c/o/foo', environ={'REQUEST_METHOD': 'PUT', 'wsgi.input': BytesIO(b'some stuff')}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[11], str(len('FAKE APP'))) self.assertEqual(log_parts[10], str(len('some stuff'))) self.assertUpdateStats([('object.PUT.200.xfer', len('some stuff') + len('FAKE APP'))], app) def test_upload_size_no_policy(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(policy_idx=None), {'log_headers': 'yes'}) app.access_logger = FakeLogger() req = Request.blank( '/v1/a/c/o/foo', environ={'REQUEST_METHOD': 'PUT', 'wsgi.input': BytesIO(b'some stuff')}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[11], str(len('FAKE APP'))) self.assertEqual(log_parts[10], str(len('some stuff'))) self.assertUpdateStats([('object.PUT.200.xfer', len('some stuff') + len('FAKE APP'))], app) def test_upload_line(self): app = proxy_logging.ProxyLoggingMiddleware(FakeAppReadline(), {'log_headers': 'yes'}) app.access_logger = FakeLogger() req = Request.blank( '/v1/a/c', environ={'REQUEST_METHOD': 'POST', 'wsgi.input': BytesIO(b'some stuff\nsome other stuff\n')}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[11], str(len('FAKE APP'))) self.assertEqual(log_parts[10], str(len('some stuff\n'))) self.assertUpdateStats([('container.POST.200.xfer', len('some stuff\n') + len('FAKE APP'))], app) def test_log_query_string(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'QUERY_STRING': 'x=3'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(unquote(log_parts[4]), '/?x=3') def test_client_logging(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'REMOTE_ADDR': '1.2.3.4'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[0], '1.2.3.4') # client ip self.assertEqual(log_parts[1], '1.2.3.4') # remote addr def test_iterator_closing(self): class CloseableBody(object): def __init__(self): self.closed = False def close(self): self.closed = True def __iter__(self): return iter(["CloseableBody"]) body = CloseableBody() app = proxy_logging.ProxyLoggingMiddleware(FakeApp(body), {}) req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'REMOTE_ADDR': '1.2.3.4'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] self.assertTrue(body.closed) def test_proxy_client_logging(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={ 'REQUEST_METHOD': 'GET', 'REMOTE_ADDR': '1.2.3.4', 'HTTP_X_FORWARDED_FOR': '4.5.6.7,8.9.10.11'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[0], '4.5.6.7') # client ip self.assertEqual(log_parts[1], '1.2.3.4') # remote addr app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={ 'REQUEST_METHOD': 'GET', 'REMOTE_ADDR': '1.2.3.4', 'HTTP_X_CLUSTER_CLIENT_IP': '4.5.6.7'}) resp = app(req.environ, start_response) # exhaust generator [x for x in resp] log_parts = self._log_parts(app) self.assertEqual(log_parts[0], '4.5.6.7') # client ip self.assertEqual(log_parts[1], '1.2.3.4') # remote addr def test_facility(self): app = proxy_logging.ProxyLoggingMiddleware( FakeApp(), {'log_headers': 'yes', 'access_log_facility': 'LOG_LOCAL7'}) handler = get_logger.handler4logger[app.access_logger.logger] self.assertEqual(SysLogHandler.LOG_LOCAL7, handler.facility) def test_filter(self): factory = proxy_logging.filter_factory({}) self.assertTrue(callable(factory)) self.assertTrue(callable(factory(FakeApp()))) def test_unread_body(self): app = proxy_logging.ProxyLoggingMiddleware( FakeApp(['some', 'stuff']), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) # read first chunk next(resp) resp.close() # raise a GeneratorExit in middleware app_iter loop log_parts = self._log_parts(app) self.assertEqual(log_parts[6], '499') self.assertEqual(log_parts[11], '4') # write length def test_disconnect_on_readline(self): app = proxy_logging.ProxyLoggingMiddleware(FakeAppReadline(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'wsgi.input': FileLikeExceptor()}) try: resp = app(req.environ, start_response) # read body b''.join(resp) except IOError: pass log_parts = self._log_parts(app) self.assertEqual(log_parts[6], '499') self.assertEqual(log_parts[10], '-') # read length def test_disconnect_on_read(self): app = proxy_logging.ProxyLoggingMiddleware( FakeApp(['some', 'stuff']), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'wsgi.input': FileLikeExceptor()}) try: resp = app(req.environ, start_response) # read body b''.join(resp) except IOError: pass log_parts = self._log_parts(app) self.assertEqual(log_parts[6], '499') self.assertEqual(log_parts[10], '-') # read length def test_app_exception(self): app = proxy_logging.ProxyLoggingMiddleware( FakeAppThatExcepts(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) try: app(req.environ, start_response) except Exception: pass log_parts = self._log_parts(app) self.assertEqual(log_parts[6], '500') self.assertEqual(log_parts[10], '-') # read length def test_no_content_length_no_transfer_encoding_with_list_body(self): app = proxy_logging.ProxyLoggingMiddleware( FakeAppNoContentLengthNoTransferEncoding( # test the "while not chunk: chunk = next(iterator)" body=[b'', b'', b'line1\n', b'line2\n'], ), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'line1\nline2\n') self.assertEqual(log_parts[11], str(len(resp_body))) def test_no_content_length_no_transfer_encoding_with_empty_strings(self): app = proxy_logging.ProxyLoggingMiddleware( FakeAppNoContentLengthNoTransferEncoding( # test the "while not chunk: chunk = next(iterator)" body=['', '', ''], ), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'') self.assertEqual(log_parts[11], '-') def test_no_content_length_no_transfer_encoding_with_generator(self): class BodyGen(object): def __init__(self, data): self.data = data def __iter__(self): yield self.data app = proxy_logging.ProxyLoggingMiddleware( FakeAppNoContentLengthNoTransferEncoding( body=BodyGen(b'abc'), ), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'abc') self.assertEqual(log_parts[11], '3') def test_req_path_info_popping(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/v1/something', environ={'REQUEST_METHOD': 'GET'}) req.path_info_pop() self.assertEqual(req.environ['PATH_INFO'], '/something') resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/v1/something') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'FAKE APP') self.assertEqual(log_parts[11], str(len(resp_body))) def test_ipv6(self): ipv6addr = '2001:db8:85a3:8d3:1319:8a2e:370:7348' app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) req.remote_addr = ipv6addr resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[0], ipv6addr) self.assertEqual(log_parts[1], ipv6addr) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'FAKE APP') self.assertEqual(log_parts[11], str(len(resp_body))) def test_log_info_none(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, start_response)) log_parts = self._log_parts(app) self.assertEqual(log_parts[17], '-') app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) req.environ['swift.log_info'] = [] list(app(req.environ, start_response)) log_parts = self._log_parts(app) self.assertEqual(log_parts[17], '-') def test_log_info_single(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) req.environ['swift.log_info'] = ['one'] list(app(req.environ, start_response)) log_parts = self._log_parts(app) self.assertEqual(log_parts[17], 'one') def test_log_info_multiple(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) req.environ['swift.log_info'] = ['one', 'and two'] list(app(req.environ, start_response)) log_parts = self._log_parts(app) self.assertEqual(log_parts[17], 'one%2Cand%20two') def test_log_auth_token(self): auth_token = 'b05bf940-0464-4c0e-8c70-87717d2d73e8' # Default - reveal_sensitive_prefix is 16 # No x-auth-token header app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], '-') # Has x-auth-token header app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'HTTP_X_AUTH_TOKEN': auth_token}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], 'b05bf940-0464-4c...') # Truncate to first 8 characters app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': '8'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], '-') app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': '8'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'HTTP_X_AUTH_TOKEN': auth_token}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], 'b05bf940...') # Token length and reveal_sensitive_prefix are same (no truncate) app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': str(len(auth_token))}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'HTTP_X_AUTH_TOKEN': auth_token}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], auth_token) # No effective limit on auth token app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': constraints.MAX_HEADER_SIZE}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'HTTP_X_AUTH_TOKEN': auth_token}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], auth_token) # Don't log x-auth-token app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': '0'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], '-') app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), { 'reveal_sensitive_prefix': '0'}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET', 'HTTP_X_AUTH_TOKEN': auth_token}) resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[9], '...') # Avoids pyflakes error, "local variable 'resp_body' is assigned to # but never used self.assertTrue(resp_body is not None) def test_ensure_fields(self): app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) with mock.patch('time.time', mock.MagicMock( side_effect=[10000000.0, 10000000.5, 10000001.0])): resp = app(req.environ, start_response) resp_body = b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(len(log_parts), 21) self.assertEqual(log_parts[0], '-') self.assertEqual(log_parts[1], '-') self.assertEqual(log_parts[2], '26/Apr/1970/17/46/41') self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(log_parts[7], '-') self.assertEqual(log_parts[8], '-') self.assertEqual(log_parts[9], '-') self.assertEqual(log_parts[10], '-') self.assertEqual(resp_body, b'FAKE APP') self.assertEqual(log_parts[11], str(len(resp_body))) self.assertEqual(log_parts[12], '-') self.assertEqual(log_parts[13], '-') self.assertEqual(log_parts[14], '-') self.assertEqual(log_parts[15], '1.0000') self.assertEqual(log_parts[16], '-') self.assertEqual(log_parts[17], '-') self.assertEqual(log_parts[18], '10000000.000000000') self.assertEqual(log_parts[19], '10000001.000000000') self.assertEqual(log_parts[20], '-') def test_dual_logging_middlewares(self): # Since no internal request is being made, outer most proxy logging # middleware, log1, should have performed the logging. app = FakeApp() flg0 = FakeLogger() env = {} log0 = proxy_logging.ProxyLoggingMiddleware(app, env, logger=flg0) flg1 = FakeLogger() log1 = proxy_logging.ProxyLoggingMiddleware(log0, env, logger=flg1) req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = log1(req.environ, start_response) resp_body = b''.join(resp) self._log_parts(log0, should_be_empty=True) log_parts = self._log_parts(log1) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'FAKE APP') self.assertEqual(log_parts[11], str(len(resp_body))) def test_dual_logging_middlewares_w_inner(self): class FakeMiddleware(object): """ Fake middleware to make a separate internal request, but construct the response with different data. """ def __init__(self, app, conf): self.app = app self.conf = conf def GET(self, req): # Make the internal request ireq = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = self.app(ireq.environ, start_response) resp_body = b''.join(resp) if resp_body != b'FAKE APP': return Response(request=req, body=b"FAKE APP WAS NOT RETURNED", content_type="text/plain") # But our response is different return Response(request=req, body=b"FAKE MIDDLEWARE", content_type="text/plain") def __call__(self, env, start_response): req = Request(env) return self.GET(req)(env, start_response) # Since an internal request is being made, inner most proxy logging # middleware, log0, should have performed the logging. app = FakeApp() flg0 = FakeLogger() env = {} log0 = proxy_logging.ProxyLoggingMiddleware(app, env, logger=flg0) fake = FakeMiddleware(log0, env) flg1 = FakeLogger() log1 = proxy_logging.ProxyLoggingMiddleware(fake, env, logger=flg1) req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'}) resp = log1(req.environ, start_response) resp_body = b''.join(resp) # Inner most logger should have logged the app's response log_parts = self._log_parts(log0) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(log_parts[11], str(len('FAKE APP'))) # Outer most logger should have logged the other middleware's response log_parts = self._log_parts(log1) self.assertEqual(log_parts[3], 'GET') self.assertEqual(log_parts[4], '/') self.assertEqual(log_parts[5], 'HTTP/1.0') self.assertEqual(log_parts[6], '200') self.assertEqual(resp_body, b'FAKE MIDDLEWARE') self.assertEqual(log_parts[11], str(len(resp_body))) def test_policy_index(self): # Policy index can be specified by X-Backend-Storage-Policy-Index # in the request header for object API app = proxy_logging.ProxyLoggingMiddleware(FakeApp(policy_idx='1'), {}) app.access_logger = FakeLogger() req = Request.blank('/v1/a/c/o', environ={'REQUEST_METHOD': 'PUT'}) resp = app(req.environ, start_response) b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[20], '1') # Policy index can be specified by X-Backend-Storage-Policy-Index # in the response header for container API app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {}) app.access_logger = FakeLogger() req = Request.blank('/v1/a/c', environ={'REQUEST_METHOD': 'GET'}) def fake_call(app, env, start_response): start_response(app.response_str, [('Content-Type', 'text/plain'), ('Content-Length', str(sum(map(len, app.body)))), ('X-Backend-Storage-Policy-Index', '1')]) while env['wsgi.input'].read(5): pass return app.body with mock.patch.object(FakeApp, '__call__', fake_call): resp = app(req.environ, start_response) b''.join(resp) log_parts = self._log_parts(app) self.assertEqual(log_parts[20], '1')