149 lines
4.8 KiB
Python
149 lines
4.8 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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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 calendar
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import json
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import time
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import fixtures
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from oslo_config import cfg
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import requests
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import testtools
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from testtools import matchers
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from os_collect_config import collect
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from os_collect_config import exc
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from os_collect_config import request
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META_DATA = {u'int1': 1,
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u'strfoo': u'foo',
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u'map_ab': {
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u'a': 'apple',
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u'b': 'banana',
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}}
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class FakeResponse(dict):
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def __init__(self, text, headers=None):
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self.text = text
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self.headers = headers
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def raise_for_status(self):
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pass
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class FakeRequests(object):
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exceptions = requests.exceptions
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class Session(object):
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def get(self, url):
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return FakeResponse(json.dumps(META_DATA))
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def head(self, url):
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return FakeResponse('', headers={
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'last-modified': time.strftime(
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"%a, %d %b %Y %H:%M:%S %Z", time.gmtime())})
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class FakeFailRequests(object):
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exceptions = requests.exceptions
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class Session(object):
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def get(self, url):
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raise requests.exceptions.HTTPError(403, 'Forbidden')
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def head(self, url):
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raise requests.exceptions.HTTPError(403, 'Forbidden')
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class TestRequestBase(testtools.TestCase):
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def setUp(self):
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super(TestRequestBase, self).setUp()
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self.log = self.useFixture(fixtures.FakeLogger())
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collect.setup_conf()
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cfg.CONF.request.metadata_url = 'http://127.0.0.1:8000/my_metadata'
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class TestRequest(TestRequestBase):
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def test_collect_request(self):
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req_collect = request.Collector(requests_impl=FakeRequests)
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self.assertIsNone(req_collect.last_modified)
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req_md = req_collect.collect()
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self.assertIsNotNone(req_collect.last_modified)
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self.assertThat(req_md, matchers.IsInstance(list))
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self.assertEqual('request', req_md[0][0])
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req_md = req_md[0][1]
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for k in ('int1', 'strfoo', 'map_ab'):
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self.assertIn(k, req_md)
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self.assertEqual(req_md[k], META_DATA[k])
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self.assertEqual('', self.log.output)
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def test_collect_request_fail(self):
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req_collect = request.Collector(requests_impl=FakeFailRequests)
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self.assertRaises(exc.RequestMetadataNotAvailable, req_collect.collect)
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self.assertIn('Forbidden', self.log.output)
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def test_collect_request_no_metadata_url(self):
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cfg.CONF.request.metadata_url = None
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req_collect = request.Collector(requests_impl=FakeRequests)
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self.assertRaises(exc.RequestMetadataNotConfigured,
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req_collect.collect)
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self.assertIn('No metadata_url configured', self.log.output)
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def test_check_fetch_content(self):
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req_collect = request.Collector()
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now_secs = calendar.timegm(time.gmtime())
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now_str = time.strftime("%a, %d %b %Y %H:%M:%S %Z",
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time.gmtime(now_secs))
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future_secs = calendar.timegm(time.gmtime()) + 10
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future_str = time.strftime("%a, %d %b %Y %H:%M:%S %Z",
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time.gmtime(future_secs))
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past_secs = calendar.timegm(time.gmtime()) - 10
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past_str = time.strftime("%a, %d %b %Y %H:%M:%S %Z",
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time.gmtime(past_secs))
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self.assertIsNone(req_collect.last_modified)
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# first run always collects
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self.assertEqual(
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now_secs,
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req_collect.check_fetch_content({'last-modified': now_str}))
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# second run unmodified, does not collect
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req_collect.last_modified = now_secs
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self.assertRaises(exc.RequestMetadataNotAvailable,
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req_collect.check_fetch_content,
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{'last-modified': now_str})
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# run with later date, collects
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self.assertEqual(
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future_secs,
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req_collect.check_fetch_content({'last-modified': future_str}))
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# run with earlier date, does not collect
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self.assertRaises(exc.RequestMetadataNotAvailable,
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req_collect.check_fetch_content,
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{'last-modified': past_str})
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# run no last-modified header, collects
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self.assertIsNone(req_collect.check_fetch_content({}))
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