150 lines
5.5 KiB
Python
150 lines
5.5 KiB
Python
# Copyright (c) 2016-2017 OpenStack Foundation
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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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from swift.common.middleware import copy, proxy_logging
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from swift.common.swob import Request, HTTPOk
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from swift.common.utils import close_if_possible
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from swift.common.wsgi import make_subrequest
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from test.debug_logger import debug_logger
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from test.unit.common.middleware.helpers import FakeSwift
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SUB_GET_PATH = '/v1/a/c/sub_get'
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SUB_PUT_POST_PATH = '/v1/a/c/sub_put'
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class FakeFilter(object):
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def __init__(self, app, conf, register):
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self.body = ['FAKE MIDDLEWARE']
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self.conf = conf
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self.app = app
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self.register = register
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self.logger = None
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def __call__(self, env, start_response):
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path = SUB_PUT_POST_PATH
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if env['REQUEST_METHOD'] == 'GET':
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path = SUB_GET_PATH
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# Make a subrequest that will be logged
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hdrs = {'content-type': 'text/plain'}
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sub_req = make_subrequest(env, path=path,
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method=self.conf['subrequest_type'],
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headers=hdrs,
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agent='FakeApp',
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swift_source='FA')
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self.register(self.conf['subrequest_type'],
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path, HTTPOk, headers=hdrs)
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resp = sub_req.get_response(self.app)
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close_if_possible(resp.app_iter)
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return self.app(env, start_response)
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class FakeApp(object):
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def __init__(self, conf):
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self.fake_logger = debug_logger()
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self.fake_swift = self.app = FakeSwift()
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self.register = self.fake_swift.register
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for filter in reversed([
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proxy_logging.filter_factory,
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copy.filter_factory,
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lambda conf: lambda app: FakeFilter(app, conf, self.register),
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proxy_logging.filter_factory]):
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self.app = filter(conf)(self.app)
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self.app.logger = self.fake_logger
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if hasattr(self.app, 'access_logger'):
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self.app.access_logger = self.fake_logger
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if conf['subrequest_type'] == 'GET':
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self.register(conf['subrequest_type'], SUB_GET_PATH, HTTPOk, {})
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else:
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self.register(conf['subrequest_type'],
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SUB_PUT_POST_PATH, HTTPOk, {})
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@property
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def __call__(self):
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return self.app.__call__
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class TestSubRequestLogging(unittest.TestCase):
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path = '/v1/a/c/o'
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def _test_subrequest_logged(self, subrequest_type):
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# Test that subrequests made downstream from Copy PUT will be logged
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# with the request type of the subrequest as opposed to the GET/PUT.
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app = FakeApp({'subrequest_type': subrequest_type})
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hdrs = {'content-type': 'text/plain', 'X-Copy-From': 'test/obj'}
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req = Request.blank(self.path, method='PUT', headers=hdrs)
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app.register('PUT', self.path, HTTPOk, headers=hdrs)
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app.register('GET', '/v1/a/test/obj', HTTPOk, headers=hdrs)
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req.get_response(app)
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info_log_lines = app.fake_logger.get_lines_for_level('info')
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self.assertEqual(len(info_log_lines), 4)
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subreq_get = '%s %s' % (subrequest_type, SUB_GET_PATH)
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subreq_put = '%s %s' % (subrequest_type, SUB_PUT_POST_PATH)
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origput = 'PUT %s' % self.path
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copyget = 'GET %s' % '/v1/a/test/obj'
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# expect GET subreq, copy GET, PUT subreq, orig PUT
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self.assertTrue(subreq_get in info_log_lines[0])
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self.assertTrue(copyget in info_log_lines[1])
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self.assertTrue(subreq_put in info_log_lines[2])
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self.assertTrue(origput in info_log_lines[3])
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def test_subrequest_logged_x_copy_from(self):
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self._test_subrequest_logged('HEAD')
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self._test_subrequest_logged('GET')
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self._test_subrequest_logged('POST')
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self._test_subrequest_logged('PUT')
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self._test_subrequest_logged('DELETE')
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def _test_subrequest_logged_POST(self, subrequest_type):
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app = FakeApp({'subrequest_type': subrequest_type})
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hdrs = {'content-type': 'text/plain'}
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req = Request.blank(self.path, method='POST', headers=hdrs)
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app.register('POST', self.path, HTTPOk, headers=hdrs)
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expect_lines = 2
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req.get_response(app)
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info_log_lines = app.fake_logger.get_lines_for_level('info')
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self.assertEqual(len(info_log_lines), expect_lines)
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self.assertTrue('Copying object' not in info_log_lines[0])
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subreq_put_post = '%s %s' % (subrequest_type, SUB_PUT_POST_PATH)
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origpost = 'POST %s' % self.path
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# fast post expect POST subreq, original POST
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self.assertTrue(subreq_put_post in info_log_lines[0])
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self.assertTrue(origpost in info_log_lines[1])
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def test_subrequest_logged_with_POST(self):
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self._test_subrequest_logged_POST('HEAD')
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self._test_subrequest_logged_POST('GET')
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self._test_subrequest_logged_POST('POST')
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self._test_subrequest_logged_POST('PUT')
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self._test_subrequest_logged_POST('DELETE')
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if __name__ == '__main__':
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unittest.main()
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