132 lines
5.2 KiB
Python
132 lines
5.2 KiB
Python
#!/usr/bin/python -u
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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 random
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import uuid
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import unittest
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from nose import SkipTest
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from swift.common.internal_client import InternalClient
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from swift.common.manager import Manager
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from swift.common.utils import Timestamp
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from test.probe.common import ReplProbeTest, get_to_final_state, \
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ENABLED_POLICIES
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from test.probe.test_container_merge_policy_index import BrainSplitter
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from swiftclient import client
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class TestObjectExpirer(ReplProbeTest):
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def setUp(self):
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if len(ENABLED_POLICIES) < 2:
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raise SkipTest('Need more than one policy')
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self.expirer = Manager(['object-expirer'])
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self.expirer.start()
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err = self.expirer.stop()
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if err:
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raise SkipTest('Unable to verify object-expirer service')
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conf_files = []
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for server in self.expirer.servers:
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conf_files.extend(server.conf_files())
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conf_file = conf_files[0]
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self.client = InternalClient(conf_file, 'probe-test', 3)
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super(TestObjectExpirer, self).setUp()
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self.container_name = 'container-%s' % uuid.uuid4()
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self.object_name = 'object-%s' % uuid.uuid4()
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self.brain = BrainSplitter(self.url, self.token, self.container_name,
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self.object_name)
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def test_expirer_object_split_brain(self):
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old_policy = random.choice(ENABLED_POLICIES)
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wrong_policy = random.choice([p for p in ENABLED_POLICIES
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if p != old_policy])
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# create an expiring object and a container with the wrong policy
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self.brain.stop_primary_half()
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self.brain.put_container(int(old_policy))
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self.brain.put_object(headers={'X-Delete-After': 2})
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# get the object timestamp
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metadata = self.client.get_object_metadata(
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self.account, self.container_name, self.object_name,
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headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
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create_timestamp = Timestamp(metadata['x-timestamp'])
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self.brain.start_primary_half()
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# get the expiring object updates in their queue, while we have all
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# the servers up
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Manager(['object-updater']).once()
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self.brain.stop_handoff_half()
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self.brain.put_container(int(wrong_policy))
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# don't start handoff servers, only wrong policy is available
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# make sure auto-created containers get in the account listing
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Manager(['container-updater']).once()
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# this guy should no-op since it's unable to expire the object
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self.expirer.once()
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self.brain.start_handoff_half()
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get_to_final_state()
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# validate object is expired
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found_in_policy = None
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metadata = self.client.get_object_metadata(
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self.account, self.container_name, self.object_name,
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acceptable_statuses=(4,),
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headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
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self.assert_('x-backend-timestamp' in metadata)
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self.assertEqual(Timestamp(metadata['x-backend-timestamp']),
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create_timestamp)
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# but it is still in the listing
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for obj in self.client.iter_objects(self.account,
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self.container_name):
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if self.object_name == obj['name']:
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break
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else:
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self.fail('Did not find listing for %s' % self.object_name)
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# clear proxy cache
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client.post_container(self.url, self.token, self.container_name, {})
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# run the expirier again after replication
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self.expirer.once()
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# object is not in the listing
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for obj in self.client.iter_objects(self.account,
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self.container_name):
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if self.object_name == obj['name']:
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self.fail('Found listing for %s' % self.object_name)
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# and validate object is tombstoned
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found_in_policy = None
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for policy in ENABLED_POLICIES:
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metadata = self.client.get_object_metadata(
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self.account, self.container_name, self.object_name,
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acceptable_statuses=(4,),
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headers={'X-Backend-Storage-Policy-Index': int(policy)})
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if 'x-backend-timestamp' in metadata:
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if found_in_policy:
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self.fail('found object in %s and also %s' %
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(found_in_policy, policy))
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found_in_policy = policy
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self.assert_('x-backend-timestamp' in metadata)
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self.assert_(Timestamp(metadata['x-backend-timestamp']) >
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create_timestamp)
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if __name__ == "__main__":
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unittest.main()
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