543 lines
23 KiB
Python
543 lines
23 KiB
Python
# Copyright (c) 2010-2011 OpenStack, LLC.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import time
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from urllib import unquote
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import cStringIO as StringIO
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from logging.handlers import SysLogHandler
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from test.unit import FakeLogger
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from swift.common.utils import get_logger
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from swift.common.middleware import proxy_logging
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from swift.common.swob import Request
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class FakeApp(object):
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def __init__(self, body=['FAKE APP'], response_str='200 OK'):
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self.body = body
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self.response_str = response_str
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def __call__(self, env, start_response):
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start_response(self.response_str,
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[('Content-Type', 'text/plain'),
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('Content-Length', str(sum(map(len, self.body))))])
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while env['wsgi.input'].read(5):
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pass
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return self.body
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class FakeAppNoContentLengthNoTransferEncoding(object):
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def __init__(self, body=['FAKE APP']):
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self.body = body
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def __call__(self, env, start_response):
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start_response('200 OK', [('Content-Type', 'text/plain')])
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while env['wsgi.input'].read(5):
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pass
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return self.body
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class FileLikeExceptor(object):
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def __init__(self):
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pass
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def read(self, len):
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raise IOError('of some sort')
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def readline(self, len=1024):
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raise IOError('of some sort')
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class FakeAppReadline(object):
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def __call__(self, env, start_response):
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start_response('200 OK', [('Content-Type', 'text/plain'),
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('Content-Length', '8')])
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env['wsgi.input'].readline()
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return ["FAKE APP"]
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def start_response(*args):
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pass
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class TestProxyLogging(unittest.TestCase):
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def _log_parts(self, app, should_be_empty=False):
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info_calls = app.access_logger.log_dict['info']
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if should_be_empty:
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self.assertEquals([], info_calls)
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else:
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self.assertEquals(1, len(info_calls))
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return info_calls[0][0][0].split(' ')
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def assertTiming(self, exp_metric, app, exp_timing=None):
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timing_calls = app.access_logger.log_dict['timing']
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found = False
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for timing_call in timing_calls:
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self.assertEquals({}, timing_call[1])
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self.assertEquals(2, len(timing_call[0]))
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if timing_call[0][0] == exp_metric:
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found = True
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if exp_timing is not None:
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self.assertAlmostEqual(exp_timing, timing_call[0][1],
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places=4)
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if not found:
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self.assertTrue(False, 'assertTiming: %s not found in %r' % (
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exp_metric, timing_calls))
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def assertTimingSince(self, exp_metric, app, exp_start=None):
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timing_calls = app.access_logger.log_dict['timing_since']
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found = False
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for timing_call in timing_calls:
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self.assertEquals({}, timing_call[1])
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self.assertEquals(2, len(timing_call[0]))
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if timing_call[0][0] == exp_metric:
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found = True
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if exp_start is not None:
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self.assertAlmostEqual(exp_start, timing_call[0][1],
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places=4)
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if not found:
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self.assertTrue(False, 'assertTimingSince: %s not found in %r' % (
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exp_metric, timing_calls))
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def assertNotTiming(self, not_exp_metric, app):
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timing_calls = app.access_logger.log_dict['timing']
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for timing_call in timing_calls:
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self.assertNotEqual(not_exp_metric, timing_call[0][0])
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def assertUpdateStats(self, exp_metric, exp_bytes, app):
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update_stats_calls = app.access_logger.log_dict['update_stats']
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self.assertEquals(1, len(update_stats_calls))
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self.assertEquals({}, update_stats_calls[0][1])
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self.assertEquals((exp_metric, exp_bytes), update_stats_calls[0][0])
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def test_log_request_statsd_invalid_stats_types(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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for url in ['/', '/foo', '/foo/bar', '/v1']:
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req = Request.blank(url, environ={'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, start_response)
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# get body
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''.join(resp)
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self.assertEqual([], app.access_logger.log_dict['timing'])
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self.assertEqual([], app.access_logger.log_dict['update_stats'])
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def test_log_request_stat_type_bad(self):
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for bad_path in ['', '/', '/bad', '/baddy/mc_badderson', '/v1',
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'/v1/']:
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank(bad_path, environ={'REQUEST_METHOD': 'GET'})
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app.log_request(req, 123, 7, 13, 2.71828182846)
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self.assertEqual([], app.access_logger.log_dict['timing'])
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self.assertEqual([], app.access_logger.log_dict['update_stats'])
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def test_log_request_stat_type_good(self):
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"""
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log_request() should send timing and byte-count counters for GET
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requests. Also, __call__()'s iter_response() function should
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statsd-log time to first byte (calling the passed-in start_response
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function), but only for GET requests.
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"""
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stub_times = []
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def stub_time():
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return stub_times.pop(0)
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path_types = {
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'/v1/a': 'account',
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'/v1/a/': 'account',
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'/v1/a/c': 'container',
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'/v1/a/c/': 'container',
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'/v1/a/c/o': 'object',
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'/v1/a/c/o/': 'object',
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'/v1/a/c/o/p': 'object',
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'/v1/a/c/o/p/': 'object',
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'/v1/a/c/o/p/p2': 'object',
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}
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for path, exp_type in path_types.iteritems():
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orig_time = time.time
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try:
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time.time = stub_time
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# GET
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app = proxy_logging.ProxyLoggingMiddleware(
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FakeApp(body='7654321', response_str='321 Fubar'), {})
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app.access_logger = FakeLogger()
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req = Request.blank(path, environ={
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'REQUEST_METHOD': 'GET',
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'wsgi.input': StringIO.StringIO('4321')})
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stub_times = [18.0, 20.71828182846]
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iter_response = app(req.environ, lambda *_: None)
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self.assertEqual('7654321', ''.join(iter_response))
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self.assertTiming('%s.GET.321.timing' % exp_type, app,
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exp_timing=2.71828182846 * 1000)
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self.assertTimingSince(
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'%s.GET.321.first-byte.timing' % exp_type, app,
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exp_start=18.0)
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self.assertUpdateStats('%s.GET.321.xfer' % exp_type,
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4 + 7, app)
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# GET with swift.proxy_access_log_made already set
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app = proxy_logging.ProxyLoggingMiddleware(
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FakeApp(body='7654321', response_str='321 Fubar'), {})
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app.access_logger = FakeLogger()
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req = Request.blank(path, environ={
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'REQUEST_METHOD': 'GET',
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'swift.proxy_access_log_made': True,
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'wsgi.input': StringIO.StringIO('4321')})
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stub_times = [18.0, 20.71828182846]
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iter_response = app(req.environ, lambda *_: None)
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self.assertEqual('7654321', ''.join(iter_response))
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self.assertEqual([], app.access_logger.log_dict['timing'])
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self.assertEqual([], app.access_logger.log_dict['timing_since'])
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self.assertEqual([], app.access_logger.log_dict['update_stats'])
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# PUT (no first-byte timing!)
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app = proxy_logging.ProxyLoggingMiddleware(
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FakeApp(body='87654321', response_str='314 PiTown'), {})
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app.access_logger = FakeLogger()
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req = Request.blank(path, environ={
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'REQUEST_METHOD': 'PUT',
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'wsgi.input': StringIO.StringIO('654321')})
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# (it's not a GET, so time() doesn't have a 2nd call)
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stub_times = [58.2, 58.2 + 7.3321]
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iter_response = app(req.environ, lambda *_: None)
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self.assertEqual('87654321', ''.join(iter_response))
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self.assertTiming('%s.PUT.314.timing' % exp_type, app,
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exp_timing=7.3321 * 1000)
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self.assertNotTiming(
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'%s.GET.314.first-byte.timing' % exp_type, app)
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self.assertNotTiming(
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'%s.PUT.314.first-byte.timing' % exp_type, app)
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self.assertUpdateStats('%s.PUT.314.xfer' % exp_type, 6 + 8, app)
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finally:
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time.time = orig_time
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def test_log_request_stat_method_filtering_default(self):
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method_map = {
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'foo': 'BAD_METHOD',
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'': 'BAD_METHOD',
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'PUTT': 'BAD_METHOD',
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'SPECIAL': 'BAD_METHOD',
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'GET': 'GET',
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'PUT': 'PUT',
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'COPY': 'COPY',
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'HEAD': 'HEAD',
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'POST': 'POST',
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'DELETE': 'DELETE',
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'OPTIONS': 'OPTIONS',
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}
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for method, exp_method in method_map.iteritems():
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/v1/a/', environ={'REQUEST_METHOD': method})
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app.log_request(req, 299, 11, 3, 1.17)
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self.assertTiming('account.%s.299.timing' % exp_method, app,
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exp_timing=1.17 * 1000)
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self.assertUpdateStats('account.%s.299.xfer' % exp_method,
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11 + 3, app)
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def test_log_request_stat_method_filtering_custom(self):
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method_map = {
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'foo': 'BAD_METHOD',
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'': 'BAD_METHOD',
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'PUTT': 'BAD_METHOD',
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'SPECIAL': 'SPECIAL', # will be configured
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'GET': 'GET',
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'PUT': 'PUT',
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'COPY': 'BAD_METHOD', # prove no one's special
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}
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# this conf var supports optional leading access_
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for conf_key in ['access_log_statsd_valid_http_methods',
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'log_statsd_valid_http_methods']:
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for method, exp_method in method_map.iteritems():
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {
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conf_key: 'SPECIAL, GET,PUT ', # crazy spaces ok
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})
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app.access_logger = FakeLogger()
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req = Request.blank('/v1/a/c', environ={'REQUEST_METHOD': method})
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app.log_request(req, 911, 4, 43, 1.01)
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self.assertTiming('container.%s.911.timing' % exp_method, app,
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exp_timing=1.01 * 1000)
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self.assertUpdateStats('container.%s.911.xfer' % exp_method,
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4 + 43, app)
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def test_basic_req(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, start_response)
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resp_body = ''.join(resp)
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[3], 'GET')
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self.assertEquals(log_parts[4], '/')
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self.assertEquals(log_parts[5], 'HTTP/1.0')
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self.assertEquals(log_parts[6], '200')
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self.assertEquals(resp_body, 'FAKE APP')
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self.assertEquals(log_parts[11], str(len(resp_body)))
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def test_basic_req_second_time(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={
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'swift.proxy_access_log_made': True,
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'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, start_response)
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resp_body = ''.join(resp)
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self._log_parts(app, should_be_empty=True)
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self.assertEquals(resp_body, 'FAKE APP')
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def test_multi_segment_resp(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(
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['some', 'chunks', 'of data']), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET',
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'swift.source': 'SOS'})
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resp = app(req.environ, start_response)
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resp_body = ''.join(resp)
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[3], 'GET')
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self.assertEquals(log_parts[4], '/')
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self.assertEquals(log_parts[5], 'HTTP/1.0')
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self.assertEquals(log_parts[6], '200')
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self.assertEquals(resp_body, 'somechunksof data')
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self.assertEquals(log_parts[11], str(len(resp_body)))
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self.assertUpdateStats('SOS.GET.200.xfer', len(resp_body), app)
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def test_log_headers(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(),
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{'log_headers': 'yes'})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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headers = unquote(log_parts[14]).split('\n')
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self.assert_('Host: localhost:80' in headers)
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def test_upload_size(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(),
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{'log_headers': 'yes'})
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app.access_logger = FakeLogger()
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req = Request.blank('/v1/a/c/o/foo', environ={'REQUEST_METHOD': 'PUT',
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'wsgi.input': StringIO.StringIO('some stuff')})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[11], str(len('FAKE APP')))
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self.assertEquals(log_parts[10], str(len('some stuff')))
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self.assertUpdateStats('object.PUT.200.xfer',
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len('some stuff') + len('FAKE APP'),
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app)
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def test_upload_line(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeAppReadline(),
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{'log_headers': 'yes'})
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app.access_logger = FakeLogger()
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req = Request.blank('/v1/a/c', environ={'REQUEST_METHOD': 'POST',
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'wsgi.input': StringIO.StringIO(
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'some stuff\nsome other stuff\n')})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[11], str(len('FAKE APP')))
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self.assertEquals(log_parts[10], str(len('some stuff\n')))
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self.assertUpdateStats('container.POST.200.xfer',
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len('some stuff\n') + len('FAKE APP'),
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app)
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def test_log_query_string(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET',
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'QUERY_STRING': 'x=3'})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(unquote(log_parts[4]), '/?x=3')
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def test_client_logging(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET',
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'REMOTE_ADDR': '1.2.3.4'})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[0], '1.2.3.4') # client ip
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self.assertEquals(log_parts[1], '1.2.3.4') # remote addr
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def test_proxy_client_logging(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={
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'REQUEST_METHOD': 'GET',
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'REMOTE_ADDR': '1.2.3.4',
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'HTTP_X_FORWARDED_FOR': '4.5.6.7,8.9.10.11'})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[0], '4.5.6.7') # client ip
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self.assertEquals(log_parts[1], '1.2.3.4') # remote addr
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={
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'REQUEST_METHOD': 'GET',
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'REMOTE_ADDR': '1.2.3.4',
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'HTTP_X_CLUSTER_CLIENT_IP': '4.5.6.7'})
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resp = app(req.environ, start_response)
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# exhaust generator
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[x for x in resp]
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[0], '4.5.6.7') # client ip
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self.assertEquals(log_parts[1], '1.2.3.4') # remote addr
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def test_facility(self):
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app = proxy_logging.ProxyLoggingMiddleware(FakeApp(),
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{'log_headers': 'yes',
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'access_log_facility': 'LOG_LOCAL7'})
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handler = get_logger.handler4logger[app.access_logger.logger]
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self.assertEquals(SysLogHandler.LOG_LOCAL7, handler.facility)
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def test_filter(self):
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factory = proxy_logging.filter_factory({})
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self.assert_(callable(factory))
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self.assert_(callable(factory(FakeApp())))
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def test_unread_body(self):
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app = proxy_logging.ProxyLoggingMiddleware(
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FakeApp(['some', 'stuff']), {})
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app.access_logger = FakeLogger()
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req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, start_response)
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# read first chunk
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next(resp)
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resp.close() # raise a GeneratorExit in middleware app_iter loop
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log_parts = self._log_parts(app)
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self.assertEquals(log_parts[6], '499')
|
|
self.assertEquals(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
|
|
''.join(resp)
|
|
except IOError:
|
|
pass
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[6], '499')
|
|
self.assertEquals(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
|
|
''.join(resp)
|
|
except IOError:
|
|
pass
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[6], '499')
|
|
self.assertEquals(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 = iterator.next()"
|
|
body=['', '', 'line1\n', 'line2\n'],
|
|
), {})
|
|
app.access_logger = FakeLogger()
|
|
req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'})
|
|
resp = app(req.environ, start_response)
|
|
resp_body = ''.join(resp)
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[3], 'GET')
|
|
self.assertEquals(log_parts[4], '/')
|
|
self.assertEquals(log_parts[5], 'HTTP/1.0')
|
|
self.assertEquals(log_parts[6], '200')
|
|
self.assertEquals(resp_body, 'line1\nline2\n')
|
|
self.assertEquals(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 = iterator.next()"
|
|
body=['', '', ''],
|
|
), {})
|
|
app.access_logger = FakeLogger()
|
|
req = Request.blank('/', environ={'REQUEST_METHOD': 'GET'})
|
|
resp = app(req.environ, start_response)
|
|
resp_body = ''.join(resp)
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[3], 'GET')
|
|
self.assertEquals(log_parts[4], '/')
|
|
self.assertEquals(log_parts[5], 'HTTP/1.0')
|
|
self.assertEquals(log_parts[6], '200')
|
|
self.assertEquals(resp_body, '')
|
|
self.assertEquals(log_parts[11], '-')
|
|
|
|
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.assertEquals(req.environ['PATH_INFO'], '/something')
|
|
resp = app(req.environ, start_response)
|
|
resp_body = ''.join(resp)
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[3], 'GET')
|
|
self.assertEquals(log_parts[4], '/v1/something')
|
|
self.assertEquals(log_parts[5], 'HTTP/1.0')
|
|
self.assertEquals(log_parts[6], '200')
|
|
self.assertEquals(resp_body, 'FAKE APP')
|
|
self.assertEquals(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 = ''.join(resp)
|
|
log_parts = self._log_parts(app)
|
|
self.assertEquals(log_parts[0], ipv6addr)
|
|
self.assertEquals(log_parts[1], ipv6addr)
|
|
self.assertEquals(log_parts[3], 'GET')
|
|
self.assertEquals(log_parts[4], '/')
|
|
self.assertEquals(log_parts[5], 'HTTP/1.0')
|
|
self.assertEquals(log_parts[6], '200')
|
|
self.assertEquals(resp_body, 'FAKE APP')
|
|
self.assertEquals(log_parts[11], str(len(resp_body)))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|