1232 lines
51 KiB
Python
1232 lines
51 KiB
Python
#!/usr/bin/python -u
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# Copyright (c) 2010-2012 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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from copy import deepcopy
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import json
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import time
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import unittest
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import six
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from six.moves.urllib.parse import quote, unquote
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from unittest import SkipTest
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import test.functional as tf
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from swift.common.utils import MD5_OF_EMPTY_STRING
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from test.functional.tests import Base, Base2, BaseEnv, Utils
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from test.functional import cluster_info
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from test.functional.swift_test_client import Account, Connection, \
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ResponseError
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def setUpModule():
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tf.setup_package()
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def tearDownModule():
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tf.teardown_package()
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class TestObjectVersioningEnv(BaseEnv):
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versioning_enabled = None # tri-state: None initially, then True/False
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location_header_key = 'X-Versions-Location'
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account2 = None
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@classmethod
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def setUp(cls):
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super(TestObjectVersioningEnv, cls).setUp()
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if not tf.skip2:
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# Second connection for ACL tests
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config2 = deepcopy(tf.config)
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config2['account'] = tf.config['account2']
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config2['username'] = tf.config['username2']
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config2['password'] = tf.config['password2']
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cls.conn2 = Connection(config2)
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cls.conn2.authenticate()
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if six.PY2:
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# avoid getting a prefix that stops halfway through an encoded
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# character
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prefix = Utils.create_name().decode("utf-8")[:10].encode("utf-8")
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else:
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prefix = Utils.create_name()[:10]
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cls.versions_container = cls.account.container(prefix + "-versions")
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if not cls.versions_container.create():
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raise ResponseError(cls.conn.response)
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cls.container = cls.account.container(prefix + "-objs")
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container_headers = {
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cls.location_header_key: quote(cls.versions_container.name)}
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if not cls.container.create(hdrs=container_headers):
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if cls.conn.response.status == 412:
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cls.versioning_enabled = False
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return
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raise ResponseError(cls.conn.response)
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container_info = cls.container.info()
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# if versioning is off, then cls.location_header_key won't persist
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cls.versioning_enabled = 'versions' in container_info
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if not tf.skip2:
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# setup another account to test ACLs
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config2 = deepcopy(tf.config)
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config2['account'] = tf.config['account2']
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config2['username'] = tf.config['username2']
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config2['password'] = tf.config['password2']
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cls.conn2 = Connection(config2)
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cls.storage_url2, cls.storage_token2 = cls.conn2.authenticate()
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cls.account2 = cls.conn2.get_account()
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cls.account2.delete_containers()
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if not tf.skip3:
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# setup another account with no access to anything to test ACLs
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config3 = deepcopy(tf.config)
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config3['account'] = tf.config['account']
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config3['username'] = tf.config['username3']
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config3['password'] = tf.config['password3']
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cls.conn3 = Connection(config3)
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cls.storage_url3, cls.storage_token3 = cls.conn3.authenticate()
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cls.account3 = cls.conn3.get_account()
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@classmethod
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def tearDown(cls):
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if cls.account:
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cls.account.delete_containers()
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if cls.account2:
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cls.account2.delete_containers()
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class TestCrossPolicyObjectVersioningEnv(BaseEnv):
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# tri-state: None initially, then True/False
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versioning_enabled = None
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multiple_policies_enabled = None
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policies = None
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location_header_key = 'X-Versions-Location'
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account2 = None
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@classmethod
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def setUp(cls):
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super(TestCrossPolicyObjectVersioningEnv, cls).setUp()
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if cls.multiple_policies_enabled is None:
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try:
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cls.policies = tf.FunctionalStoragePolicyCollection.from_info()
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except AssertionError:
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pass
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if cls.policies and len(cls.policies) > 1:
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cls.multiple_policies_enabled = True
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else:
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cls.multiple_policies_enabled = False
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cls.versioning_enabled = True
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# We don't actually know the state of versioning, but without
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# multiple policies the tests should be skipped anyway. Claiming
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# versioning support lets us report the right reason for skipping.
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return
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policy = cls.policies.select()
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version_policy = cls.policies.exclude(name=policy['name']).select()
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if not tf.skip2:
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# Second connection for ACL tests
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config2 = deepcopy(tf.config)
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config2['account'] = tf.config['account2']
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config2['username'] = tf.config['username2']
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config2['password'] = tf.config['password2']
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cls.conn2 = Connection(config2)
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cls.conn2.authenticate()
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if six.PY2:
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# avoid getting a prefix that stops halfway through an encoded
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# character
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prefix = Utils.create_name().decode("utf-8")[:10].encode("utf-8")
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else:
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prefix = Utils.create_name()[:10]
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cls.versions_container = cls.account.container(prefix + "-versions")
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if not cls.versions_container.create(
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{'X-Storage-Policy': policy['name']}):
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raise ResponseError(cls.conn.response)
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cls.container = cls.account.container(prefix + "-objs")
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if not cls.container.create(
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hdrs={cls.location_header_key: cls.versions_container.name,
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'X-Storage-Policy': version_policy['name']}):
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if cls.conn.response.status == 412:
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cls.versioning_enabled = False
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return
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raise ResponseError(cls.conn.response)
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container_info = cls.container.info()
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# if versioning is off, then X-Versions-Location won't persist
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cls.versioning_enabled = 'versions' in container_info
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if not tf.skip2:
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# setup another account to test ACLs
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config2 = deepcopy(tf.config)
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config2['account'] = tf.config['account2']
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config2['username'] = tf.config['username2']
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config2['password'] = tf.config['password2']
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cls.conn2 = Connection(config2)
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cls.storage_url2, cls.storage_token2 = cls.conn2.authenticate()
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cls.account2 = cls.conn2.get_account()
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cls.account2.delete_containers()
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if not tf.skip3:
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# setup another account with no access to anything to test ACLs
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config3 = deepcopy(tf.config)
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config3['account'] = tf.config['account']
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config3['username'] = tf.config['username3']
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config3['password'] = tf.config['password3']
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cls.conn3 = Connection(config3)
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cls.storage_url3, cls.storage_token3 = cls.conn3.authenticate()
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cls.account3 = cls.conn3.get_account()
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@classmethod
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def tearDown(cls):
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if cls.account:
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cls.account.delete_containers()
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if cls.account2:
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cls.account2.delete_containers()
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class TestObjectVersioningHistoryModeEnv(TestObjectVersioningEnv):
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location_header_key = 'X-History-Location'
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class TestObjectVersioning(Base):
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env = TestObjectVersioningEnv
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def setUp(self):
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super(TestObjectVersioning, self).setUp()
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if self.env.versioning_enabled is False:
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raise SkipTest("Object versioning not enabled")
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elif self.env.versioning_enabled is not True:
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# just some sanity checking
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raise Exception(
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"Expected versioning_enabled to be True/False, got %r" %
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(self.env.versioning_enabled,))
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def _tear_down_files(self):
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try:
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# only delete files and not containers
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# as they were configured in self.env
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# get rid of any versions so they aren't restored
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self.env.versions_container.delete_files()
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# get rid of originals
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self.env.container.delete_files()
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# in history mode, deleted originals got copied to versions, so
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# clear that again
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self.env.versions_container.delete_files()
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except ResponseError:
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pass
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def tearDown(self):
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super(TestObjectVersioning, self).tearDown()
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self._tear_down_files()
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def test_clear_version_option(self):
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# sanity
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header_val = quote(self.env.versions_container.name)
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self.assertEqual(self.env.container.info()['versions'], header_val)
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self.env.container.update_metadata(
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hdrs={self.env.location_header_key: ''})
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self.assertIsNone(self.env.container.info().get('versions'))
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# set location back to the way it was
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self.env.container.update_metadata(
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hdrs={self.env.location_header_key: header_val})
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self.assertEqual(self.env.container.info()['versions'], header_val)
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def _test_overwriting_setup(self, obj_name=None):
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container = self.env.container
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versions_container = self.env.versions_container
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cont_info = container.info()
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self.assertEqual(cont_info['versions'], quote(versions_container.name))
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expected_content_types = []
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obj_name = obj_name or Utils.create_name()
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versioned_obj = container.file(obj_name)
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put_headers = {'Content-Type': 'text/jibberish01',
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'Content-Encoding': 'gzip',
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'Content-Disposition': 'attachment; filename=myfile'}
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versioned_obj.write(b"aaaaa", hdrs=put_headers)
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obj_info = versioned_obj.info()
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self.assertEqual('text/jibberish01', obj_info['content_type'])
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expected_content_types.append('text/jibberish01')
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# the allowed headers are configurable in object server, so we cannot
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# assert that content-encoding or content-disposition get *copied* to
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# the object version unless they were set on the original PUT, so
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# populate expected_headers by making a HEAD on the original object
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resp_headers = {
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h.lower(): v for h, v in versioned_obj.conn.response.getheaders()}
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expected_headers = {}
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for k, v in put_headers.items():
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if k.lower() in resp_headers:
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expected_headers[k] = v
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self.assertEqual(0, versions_container.info()['object_count'])
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versioned_obj.write(b"bbbbb", hdrs={'Content-Type': 'text/jibberish02',
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'X-Object-Meta-Foo': 'Bar'})
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versioned_obj.initialize()
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self.assertEqual(versioned_obj.content_type, 'text/jibberish02')
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expected_content_types.append('text/jibberish02')
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self.assertEqual(versioned_obj.metadata['foo'], 'Bar')
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# the old version got saved off
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self.assertEqual(1, versions_container.info()['object_count'])
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versioned_obj_name = versions_container.files()[0]
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prev_version = versions_container.file(versioned_obj_name)
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prev_version.initialize()
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self.assertEqual(b"aaaaa", prev_version.read())
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self.assertEqual(prev_version.content_type, 'text/jibberish01')
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resp_headers = {
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h.lower(): v for h, v in prev_version.conn.response.getheaders()}
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for k, v in expected_headers.items():
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self.assertIn(k.lower(), resp_headers)
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self.assertEqual(v, resp_headers[k.lower()])
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# make sure the new obj metadata did not leak to the prev. version
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self.assertNotIn('foo', prev_version.metadata)
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# check that POST does not create a new version
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versioned_obj.sync_metadata(metadata={'fu': 'baz'})
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self.assertEqual(1, versions_container.info()['object_count'])
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# if we overwrite it again, there are two versions
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versioned_obj.write(b"ccccc")
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self.assertEqual(2, versions_container.info()['object_count'])
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expected_content_types.append('text/jibberish02')
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versioned_obj_name = versions_container.files()[1]
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prev_version = versions_container.file(versioned_obj_name)
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prev_version.initialize()
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self.assertEqual(b"bbbbb", prev_version.read())
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self.assertEqual(prev_version.content_type, 'text/jibberish02')
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self.assertNotIn('foo', prev_version.metadata)
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self.assertIn('fu', prev_version.metadata)
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# versioned_obj keeps the newest content
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self.assertEqual(b"ccccc", versioned_obj.read())
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# test copy from a different container
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src_container = self.env.account.container(Utils.create_name())
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self.assertTrue(src_container.create())
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src_name = Utils.create_name()
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src_obj = src_container.file(src_name)
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src_obj.write(b"ddddd", hdrs={'Content-Type': 'text/jibberish04'})
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src_obj.copy(container.name, obj_name)
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self.assertEqual(b"ddddd", versioned_obj.read())
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versioned_obj.initialize()
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self.assertEqual(versioned_obj.content_type, 'text/jibberish04')
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expected_content_types.append('text/jibberish04')
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# make sure versions container has the previous version
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self.assertEqual(3, versions_container.info()['object_count'])
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versioned_obj_name = versions_container.files()[2]
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prev_version = versions_container.file(versioned_obj_name)
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prev_version.initialize()
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self.assertEqual(b"ccccc", prev_version.read())
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# for further use in the mode-specific tests
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return (versioned_obj, expected_headers, expected_content_types)
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def test_overwriting(self):
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versions_container = self.env.versions_container
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versioned_obj, expected_headers, expected_content_types = \
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self._test_overwriting_setup()
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# pop one for the current version
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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# test delete
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versioned_obj.delete()
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self.assertEqual(b"ccccc", versioned_obj.read())
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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versioned_obj.delete()
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self.assertEqual(b"bbbbb", versioned_obj.read())
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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versioned_obj.delete()
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self.assertEqual(b"aaaaa", versioned_obj.read())
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self.assertEqual(0, versions_container.info()['object_count'])
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# verify that all the original object headers have been copied back
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obj_info = versioned_obj.info()
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self.assertEqual('text/jibberish01', obj_info['content_type'])
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resp_headers = {
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h.lower(): v for h, v in versioned_obj.conn.response.getheaders()}
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for k, v in expected_headers.items():
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self.assertIn(k.lower(), resp_headers)
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self.assertEqual(v, resp_headers[k.lower()])
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versioned_obj.delete()
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self.assertRaises(ResponseError, versioned_obj.read)
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def test_overwriting_with_url_encoded_object_name(self):
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versions_container = self.env.versions_container
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obj_name = Utils.create_name() + '%25ff'
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versioned_obj, expected_headers, expected_content_types = \
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self._test_overwriting_setup(obj_name)
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# pop one for the current version
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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# test delete
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versioned_obj.delete()
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self.assertEqual(b"ccccc", versioned_obj.read())
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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versioned_obj.delete()
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self.assertEqual(b"bbbbb", versioned_obj.read())
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expected_content_types.pop()
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self.assertEqual(expected_content_types, [
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o['content_type'] for o in versions_container.files(
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parms={'format': 'json'})])
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versioned_obj.delete()
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self.assertEqual(b"aaaaa", versioned_obj.read())
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self.assertEqual(0, versions_container.info()['object_count'])
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# verify that all the original object headers have been copied back
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obj_info = versioned_obj.info()
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self.assertEqual('text/jibberish01', obj_info['content_type'])
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resp_headers = {
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h.lower(): v for h, v in versioned_obj.conn.response.getheaders()}
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for k, v in expected_headers.items():
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self.assertIn(k.lower(), resp_headers)
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self.assertEqual(v, resp_headers[k.lower()])
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versioned_obj.delete()
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self.assertRaises(ResponseError, versioned_obj.read)
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def assert_most_recent_version(self, obj_name, content,
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should_be_dlo=False):
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name_len = len(obj_name if six.PY2 else obj_name.encode('utf8'))
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archive_versions = self.env.versions_container.files(parms={
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'prefix': '%03x%s/' % (name_len, obj_name),
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'reverse': 'yes'})
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archive_file = self.env.versions_container.file(archive_versions[0])
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self.assertEqual(content, archive_file.read())
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resp_headers = {
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h.lower(): v for h, v in archive_file.conn.response.getheaders()}
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if should_be_dlo:
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self.assertIn('x-object-manifest', resp_headers)
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else:
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self.assertNotIn('x-object-manifest', resp_headers)
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def _test_versioning_dlo_setup(self):
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if tf.in_process:
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tf.skip_if_no_xattrs()
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container = self.env.container
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versions_container = self.env.versions_container
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obj_name = Utils.create_name()
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for i in ('1', '2', '3'):
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time.sleep(.01) # guarantee that the timestamp changes
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obj_name_seg = obj_name + '/' + i
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versioned_obj = container.file(obj_name_seg)
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versioned_obj.write(i.encode('ascii'))
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# immediately overwrite
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versioned_obj.write((i + i).encode('ascii'))
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self.assertEqual(3, versions_container.info()['object_count'])
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man_file = container.file(obj_name)
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# write a normal file first
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man_file.write(b'old content')
|
|
|
|
# guarantee that the timestamp changes
|
|
time.sleep(.01)
|
|
|
|
# overwrite with a dlo manifest
|
|
man_file.write(b'', hdrs={"X-Object-Manifest": "%s/%s/" %
|
|
(self.env.container.name, obj_name)})
|
|
|
|
self.assertEqual(4, versions_container.info()['object_count'])
|
|
self.assertEqual(b"112233", man_file.read())
|
|
self.assert_most_recent_version(obj_name, b'old content')
|
|
|
|
# overwrite the manifest with a normal file
|
|
man_file.write(b'new content')
|
|
self.assertEqual(5, versions_container.info()['object_count'])
|
|
|
|
# new most-recent archive is the dlo
|
|
self.assert_most_recent_version(
|
|
obj_name, b'112233', should_be_dlo=True)
|
|
|
|
return obj_name, man_file
|
|
|
|
def test_versioning_dlo(self):
|
|
obj_name, man_file = self._test_versioning_dlo_setup()
|
|
|
|
# verify that restore works properly
|
|
man_file.delete()
|
|
self.assertEqual(4, self.env.versions_container.info()['object_count'])
|
|
self.assertEqual(b"112233", man_file.read())
|
|
resp_headers = {
|
|
h.lower(): v for h, v in man_file.conn.response.getheaders()}
|
|
self.assertIn('x-object-manifest', resp_headers)
|
|
|
|
self.assert_most_recent_version(obj_name, b'old content')
|
|
|
|
man_file.delete()
|
|
self.assertEqual(3, self.env.versions_container.info()['object_count'])
|
|
self.assertEqual(b"old content", man_file.read())
|
|
|
|
def test_versioning_container_acl(self):
|
|
if tf.skip2:
|
|
raise SkipTest('Account2 not set')
|
|
# create versions container and DO NOT give write access to account2
|
|
versions_container = self.env.account.container(Utils.create_name())
|
|
location_header_val = quote(str(versions_container))
|
|
self.assertTrue(versions_container.create(hdrs={
|
|
'X-Container-Write': ''
|
|
}))
|
|
|
|
# check account2 cannot write to versions container
|
|
fail_obj_name = Utils.create_name()
|
|
fail_obj = versions_container.file(fail_obj_name)
|
|
self.assertRaises(ResponseError, fail_obj.write, b"should fail",
|
|
cfg={'use_token': self.env.storage_token2})
|
|
|
|
# create container and give write access to account2
|
|
# don't set X-Versions-Location just yet
|
|
container = self.env.account.container(Utils.create_name())
|
|
self.assertTrue(container.create(hdrs={
|
|
'X-Container-Write': self.env.conn2.user_acl}))
|
|
|
|
# check account2 cannot set X-Versions-Location on container
|
|
self.assertRaises(ResponseError, container.update_metadata, hdrs={
|
|
self.env.location_header_key: location_header_val},
|
|
cfg={'use_token': self.env.storage_token2})
|
|
|
|
# good! now let admin set the X-Versions-Location
|
|
# p.s.: sticking a 'x-remove' header here to test precedence
|
|
# of both headers. Setting the location should succeed.
|
|
self.assertTrue(container.update_metadata(hdrs={
|
|
'X-Remove-' + self.env.location_header_key[len('X-'):]:
|
|
location_header_val,
|
|
self.env.location_header_key: location_header_val}))
|
|
|
|
# write object twice to container and check version
|
|
obj_name = Utils.create_name()
|
|
versioned_obj = container.file(obj_name)
|
|
self.assertTrue(versioned_obj.write(b"never argue with the data",
|
|
cfg={'use_token': self.env.storage_token2}))
|
|
self.assertEqual(versioned_obj.read(), b"never argue with the data")
|
|
|
|
self.assertTrue(
|
|
versioned_obj.write(b"we don't have no beer, just tequila",
|
|
cfg={'use_token': self.env.storage_token2}))
|
|
self.assertEqual(versioned_obj.read(),
|
|
b"we don't have no beer, just tequila")
|
|
self.assertEqual(1, versions_container.info()['object_count'])
|
|
|
|
# read the original uploaded object
|
|
for filename in versions_container.files():
|
|
backup_file = versions_container.file(filename)
|
|
break
|
|
self.assertEqual(backup_file.read(), b"never argue with the data")
|
|
|
|
if not tf.skip3:
|
|
# user3 (some random user with no access to any of account1)
|
|
# tries to read from versioned container
|
|
self.assertRaises(ResponseError, backup_file.read,
|
|
cfg={'use_token': self.env.storage_token3})
|
|
|
|
# create an object user3 can try to copy
|
|
a2_container = self.env.account2.container(Utils.create_name())
|
|
a2_container.create(
|
|
hdrs={'X-Container-Read': self.env.conn3.user_acl},
|
|
cfg={'use_token': self.env.storage_token2})
|
|
a2_obj = a2_container.file(Utils.create_name())
|
|
self.assertTrue(a2_obj.write(b"unused",
|
|
cfg={'use_token': self.env.storage_token2}))
|
|
|
|
# user3 also cannot write, delete, or copy to/from source container
|
|
number_of_versions = versions_container.info()['object_count']
|
|
self.assertRaises(ResponseError, versioned_obj.write,
|
|
b"some random user trying to write data",
|
|
cfg={'use_token': self.env.storage_token3})
|
|
self.assertEqual(number_of_versions,
|
|
versions_container.info()['object_count'])
|
|
self.assertRaises(ResponseError, versioned_obj.delete,
|
|
cfg={'use_token': self.env.storage_token3})
|
|
self.assertEqual(number_of_versions,
|
|
versions_container.info()['object_count'])
|
|
self.assertRaises(
|
|
ResponseError, versioned_obj.write,
|
|
hdrs={
|
|
'X-Copy-From': '%s/%s' % (a2_container.name, a2_obj.name),
|
|
'X-Copy-From-Account': self.env.conn2.account_name},
|
|
cfg={'use_token': self.env.storage_token3})
|
|
self.assertEqual(number_of_versions,
|
|
versions_container.info()['object_count'])
|
|
self.assertRaises(
|
|
ResponseError, a2_obj.copy_account,
|
|
self.env.conn.account_name, container.name, obj_name,
|
|
cfg={'use_token': self.env.storage_token3})
|
|
self.assertEqual(number_of_versions,
|
|
versions_container.info()['object_count'])
|
|
|
|
# user2 can't read or delete from versions-location
|
|
self.assertRaises(ResponseError, backup_file.read,
|
|
cfg={'use_token': self.env.storage_token2})
|
|
self.assertRaises(ResponseError, backup_file.delete,
|
|
cfg={'use_token': self.env.storage_token2})
|
|
|
|
# but is able to delete from the source container
|
|
# this could be a helpful scenario for dev ops that want to setup
|
|
# just one container to hold object versions of multiple containers
|
|
# and each one of those containers are owned by different users
|
|
self.assertTrue(versioned_obj.delete(
|
|
cfg={'use_token': self.env.storage_token2}))
|
|
|
|
# tear-down since we create these containers here
|
|
# and not in self.env
|
|
if not tf.skip3:
|
|
a2_container.delete_recursive()
|
|
versions_container.delete_recursive()
|
|
container.delete_recursive()
|
|
|
|
def _test_versioning_check_acl_setup(self):
|
|
container = self.env.container
|
|
versions_container = self.env.versions_container
|
|
versions_container.create(hdrs={'X-Container-Read': '.r:*,.rlistings'})
|
|
|
|
obj_name = Utils.create_name()
|
|
versioned_obj = container.file(obj_name)
|
|
versioned_obj.write(b"aaaaa")
|
|
self.assertEqual(b"aaaaa", versioned_obj.read())
|
|
|
|
versioned_obj.write(b"bbbbb")
|
|
self.assertEqual(b"bbbbb", versioned_obj.read())
|
|
|
|
# Use token from second account and try to delete the object
|
|
org_token = self.env.account.conn.storage_token
|
|
self.env.account.conn.storage_token = self.env.conn2.storage_token
|
|
try:
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.delete()
|
|
self.assertEqual(403, cm.exception.status)
|
|
finally:
|
|
self.env.account.conn.storage_token = org_token
|
|
|
|
# Verify with token from first account
|
|
self.assertEqual(b"bbbbb", versioned_obj.read())
|
|
return versioned_obj
|
|
|
|
def test_versioning_check_acl(self):
|
|
if tf.skip2:
|
|
raise SkipTest('Account2 not set')
|
|
versioned_obj = self._test_versioning_check_acl_setup()
|
|
versioned_obj.delete()
|
|
self.assertEqual(b"aaaaa", versioned_obj.read())
|
|
|
|
def _check_overwriting_symlink(self):
|
|
# assertions common to x-versions-location and x-history-location modes
|
|
container = self.env.container
|
|
versions_container = self.env.versions_container
|
|
|
|
tgt_a_name = Utils.create_name()
|
|
tgt_b_name = Utils.create_name()
|
|
|
|
tgt_a = container.file(tgt_a_name)
|
|
tgt_a.write(b"aaaaa")
|
|
|
|
tgt_b = container.file(tgt_b_name)
|
|
tgt_b.write(b"bbbbb")
|
|
|
|
symlink_name = Utils.create_name()
|
|
sym_tgt_header = quote(unquote('%s/%s' % (container.name, tgt_a_name)))
|
|
sym_headers_a = {'X-Symlink-Target': sym_tgt_header}
|
|
symlink = container.file(symlink_name)
|
|
symlink.write(b"", hdrs=sym_headers_a)
|
|
self.assertEqual(b"aaaaa", symlink.read())
|
|
|
|
sym_headers_b = {'X-Symlink-Target': '%s/%s' % (container.name,
|
|
tgt_b_name)}
|
|
symlink.write(b"", hdrs=sym_headers_b)
|
|
self.assertEqual(b"bbbbb", symlink.read())
|
|
|
|
# the old version got saved off
|
|
self.assertEqual(1, versions_container.info()['object_count'])
|
|
versioned_obj_name = versions_container.files()[0]
|
|
prev_version = versions_container.file(versioned_obj_name)
|
|
prev_version_info = prev_version.info(parms={'symlink': 'get'})
|
|
self.assertEqual(b"aaaaa", prev_version.read())
|
|
symlink_etag = prev_version_info['etag']
|
|
if symlink_etag.startswith('"') and symlink_etag.endswith('"') and \
|
|
symlink_etag[1:-1]:
|
|
symlink_etag = symlink_etag[1:-1]
|
|
self.assertEqual(MD5_OF_EMPTY_STRING, symlink_etag)
|
|
self.assertEqual(sym_tgt_header,
|
|
prev_version_info['x_symlink_target'])
|
|
return symlink, tgt_a
|
|
|
|
def test_overwriting_symlink(self):
|
|
if 'symlink' not in cluster_info:
|
|
raise SkipTest("Symlinks not enabled")
|
|
|
|
symlink, target = self._check_overwriting_symlink()
|
|
# test delete
|
|
symlink.delete()
|
|
sym_info = symlink.info(parms={'symlink': 'get'})
|
|
self.assertEqual(b"aaaaa", symlink.read())
|
|
if tf.cluster_info.get('etag_quoter', {}).get('enable_by_default'):
|
|
self.assertEqual('"%s"' % MD5_OF_EMPTY_STRING, sym_info['etag'])
|
|
else:
|
|
self.assertEqual(MD5_OF_EMPTY_STRING, sym_info['etag'])
|
|
self.assertEqual(
|
|
quote(unquote('%s/%s' % (self.env.container.name, target.name))),
|
|
sym_info['x_symlink_target'])
|
|
|
|
def _setup_symlink(self):
|
|
target = self.env.container.file('target-object')
|
|
target.write(b'target object data')
|
|
symlink = self.env.container.file('symlink')
|
|
symlink.write(b'', hdrs={
|
|
'Content-Type': 'application/symlink',
|
|
'X-Symlink-Target': '%s/%s' % (
|
|
self.env.container.name, target.name)})
|
|
return symlink, target
|
|
|
|
def _assert_symlink(self, symlink, target):
|
|
self.assertEqual(b'target object data', symlink.read())
|
|
self.assertEqual(target.info(), symlink.info())
|
|
self.assertEqual('application/symlink',
|
|
symlink.info(parms={
|
|
'symlink': 'get'})['content_type'])
|
|
|
|
def _check_copy_destination_restore_symlink(self):
|
|
# assertions common to x-versions-location and x-history-location modes
|
|
symlink, target = self._setup_symlink()
|
|
symlink.write(b'this is not a symlink')
|
|
# the symlink is versioned
|
|
version_container_files = self.env.versions_container.files(
|
|
parms={'format': 'json'})
|
|
self.assertEqual(1, len(version_container_files))
|
|
versioned_obj_info = version_container_files[0]
|
|
self.assertEqual('application/symlink',
|
|
versioned_obj_info['content_type'])
|
|
versioned_obj = self.env.versions_container.file(
|
|
versioned_obj_info['name'])
|
|
# the symlink is still a symlink
|
|
self._assert_symlink(versioned_obj, target)
|
|
# test manual restore (this creates a new backup of the overwrite)
|
|
versioned_obj.copy(self.env.container.name, symlink.name,
|
|
parms={'symlink': 'get'})
|
|
self._assert_symlink(symlink, target)
|
|
# symlink overwritten by write then copy -> 2 versions
|
|
self.assertEqual(2, self.env.versions_container.info()['object_count'])
|
|
return symlink, target
|
|
|
|
def test_copy_destination_restore_symlink(self):
|
|
if 'symlink' not in cluster_info:
|
|
raise SkipTest("Symlinks not enabled")
|
|
|
|
symlink, target = self._check_copy_destination_restore_symlink()
|
|
# and versioned writes restore
|
|
symlink.delete()
|
|
self.assertEqual(1, self.env.versions_container.info()['object_count'])
|
|
self.assertEqual(b'this is not a symlink', symlink.read())
|
|
symlink.delete()
|
|
self.assertEqual(0, self.env.versions_container.info()['object_count'])
|
|
self._assert_symlink(symlink, target)
|
|
|
|
def test_put_x_copy_from_restore_symlink(self):
|
|
if 'symlink' not in cluster_info:
|
|
raise SkipTest("Symlinks not enabled")
|
|
|
|
symlink, target = self._setup_symlink()
|
|
symlink.write(b'this is not a symlink')
|
|
version_container_files = self.env.versions_container.files()
|
|
self.assertEqual(1, len(version_container_files))
|
|
versioned_obj = self.env.versions_container.file(
|
|
version_container_files[0])
|
|
symlink.write(parms={'symlink': 'get'}, cfg={
|
|
'no_content_type': True}, hdrs={
|
|
'X-Copy-From': '%s/%s' % (
|
|
self.env.versions_container, versioned_obj.name)})
|
|
self._assert_symlink(symlink, target)
|
|
|
|
|
|
class TestObjectVersioningUTF8(Base2, TestObjectVersioning):
|
|
|
|
def tearDown(self):
|
|
self._tear_down_files()
|
|
super(TestObjectVersioningUTF8, self).tearDown()
|
|
|
|
|
|
class TestCrossPolicyObjectVersioning(TestObjectVersioning):
|
|
env = TestCrossPolicyObjectVersioningEnv
|
|
|
|
def setUp(self):
|
|
super(TestCrossPolicyObjectVersioning, self).setUp()
|
|
if self.env.multiple_policies_enabled is False:
|
|
raise SkipTest('Cross policy test requires multiple policies')
|
|
elif self.env.multiple_policies_enabled is not True:
|
|
# just some sanity checking
|
|
raise Exception("Expected multiple_policies_enabled "
|
|
"to be True/False, got %r" % (
|
|
self.env.versioning_enabled,))
|
|
|
|
|
|
class TestObjectVersioningHistoryMode(TestObjectVersioning):
|
|
env = TestObjectVersioningHistoryModeEnv
|
|
|
|
# those override tests includes assertions for delete versioned objects
|
|
# behaviors different from default object versioning using
|
|
# x-versions-location.
|
|
|
|
def test_overwriting(self):
|
|
versions_container = self.env.versions_container
|
|
versioned_obj, expected_headers, expected_content_types = \
|
|
self._test_overwriting_setup()
|
|
|
|
# test delete
|
|
# at first, delete will succeed with 204
|
|
versioned_obj.delete()
|
|
expected_content_types.append(
|
|
'application/x-deleted;swift_versions_deleted=1')
|
|
# after that, any time the delete doesn't restore the old version
|
|
# and we will get 404 NotFound
|
|
for x in range(3):
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.delete()
|
|
self.assertEqual(404, cm.exception.status)
|
|
expected_content_types.append(
|
|
'application/x-deleted;swift_versions_deleted=1')
|
|
# finally, we have 4 versioned items and 4 delete markers total in
|
|
# the versions container
|
|
self.assertEqual(8, versions_container.info()['object_count'])
|
|
self.assertEqual(expected_content_types, [
|
|
o['content_type'] for o in versions_container.files(
|
|
parms={'format': 'json'})])
|
|
|
|
# update versioned_obj
|
|
versioned_obj.write(b"eeee", hdrs={'Content-Type': 'text/thanksgiving',
|
|
'X-Object-Meta-Bar': 'foo'})
|
|
# verify the PUT object is kept successfully
|
|
obj_info = versioned_obj.info()
|
|
self.assertEqual('text/thanksgiving', obj_info['content_type'])
|
|
|
|
# we still have delete-marker there
|
|
self.assertEqual(8, versions_container.info()['object_count'])
|
|
|
|
# update versioned_obj
|
|
versioned_obj.write(b"ffff", hdrs={'Content-Type': 'text/teriyaki',
|
|
'X-Object-Meta-Food': 'chickin'})
|
|
# verify the PUT object is kept successfully
|
|
obj_info = versioned_obj.info()
|
|
self.assertEqual('text/teriyaki', obj_info['content_type'])
|
|
|
|
# new obj will be inserted after delete-marker there
|
|
self.assertEqual(9, versions_container.info()['object_count'])
|
|
|
|
versioned_obj.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
self.assertEqual(11, versions_container.info()['object_count'])
|
|
|
|
def test_overwriting_with_url_encoded_object_name(self):
|
|
versions_container = self.env.versions_container
|
|
obj_name = Utils.create_name() + '%25ff'
|
|
versioned_obj, expected_headers, expected_content_types = \
|
|
self._test_overwriting_setup(obj_name)
|
|
|
|
# test delete
|
|
# at first, delete will succeed with 204
|
|
versioned_obj.delete()
|
|
expected_content_types.append(
|
|
'application/x-deleted;swift_versions_deleted=1')
|
|
# after that, any time the delete doesn't restore the old version
|
|
# and we will get 404 NotFound
|
|
for x in range(3):
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.delete()
|
|
self.assertEqual(404, cm.exception.status)
|
|
expected_content_types.append(
|
|
'application/x-deleted;swift_versions_deleted=1')
|
|
# finally, we have 4 versioned items and 4 delete markers total in
|
|
# the versions container
|
|
self.assertEqual(8, versions_container.info()['object_count'])
|
|
self.assertEqual(expected_content_types, [
|
|
o['content_type'] for o in versions_container.files(
|
|
parms={'format': 'json'})])
|
|
|
|
# update versioned_obj
|
|
versioned_obj.write(b"eeee", hdrs={'Content-Type': 'text/thanksgiving',
|
|
'X-Object-Meta-Bar': 'foo'})
|
|
# verify the PUT object is kept successfully
|
|
obj_info = versioned_obj.info()
|
|
self.assertEqual('text/thanksgiving', obj_info['content_type'])
|
|
|
|
# we still have delete-marker there
|
|
self.assertEqual(8, versions_container.info()['object_count'])
|
|
|
|
# update versioned_obj
|
|
versioned_obj.write(b"ffff", hdrs={'Content-Type': 'text/teriyaki',
|
|
'X-Object-Meta-Food': 'chickin'})
|
|
# verify the PUT object is kept successfully
|
|
obj_info = versioned_obj.info()
|
|
self.assertEqual('text/teriyaki', obj_info['content_type'])
|
|
|
|
# new obj will be inserted after delete-marker there
|
|
self.assertEqual(9, versions_container.info()['object_count'])
|
|
|
|
versioned_obj.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
|
|
def test_versioning_dlo(self):
|
|
obj_name, man_file = \
|
|
self._test_versioning_dlo_setup()
|
|
|
|
man_file.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
man_file.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
self.assertEqual(7, self.env.versions_container.info()['object_count'])
|
|
|
|
expected = [b'old content', b'112233', b'new content', b'']
|
|
|
|
name_len = len(obj_name if six.PY2 else obj_name.encode('utf8'))
|
|
bodies = [
|
|
self.env.versions_container.file(f).read()
|
|
for f in self.env.versions_container.files(parms={
|
|
'prefix': '%03x%s/' % (name_len, obj_name)})]
|
|
self.assertEqual(expected, bodies)
|
|
|
|
def test_versioning_check_acl(self):
|
|
if tf.skip2:
|
|
raise SkipTest('Account2 not set')
|
|
versioned_obj = self._test_versioning_check_acl_setup()
|
|
versioned_obj.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
|
|
# we have 3 objects in the versions_container, 'aaaaa', 'bbbbb'
|
|
# and delete-marker with empty content
|
|
self.assertEqual(3, self.env.versions_container.info()['object_count'])
|
|
files = self.env.versions_container.files()
|
|
for actual, expected in zip(files, [b'aaaaa', b'bbbbb', b'']):
|
|
prev_version = self.env.versions_container.file(actual)
|
|
self.assertEqual(expected, prev_version.read())
|
|
|
|
def test_overwriting_symlink(self):
|
|
if 'symlink' not in cluster_info:
|
|
raise SkipTest("Symlinks not enabled")
|
|
|
|
symlink, target = self._check_overwriting_symlink()
|
|
# test delete
|
|
symlink.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
symlink.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
|
|
def test_copy_destination_restore_symlink(self):
|
|
if 'symlink' not in cluster_info:
|
|
raise SkipTest("Symlinks not enabled")
|
|
|
|
symlink, target = self._check_copy_destination_restore_symlink()
|
|
symlink.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
symlink.read()
|
|
self.assertEqual(404, cm.exception.status)
|
|
# 2 versions plus delete marker and deleted version
|
|
self.assertEqual(4, self.env.versions_container.info()['object_count'])
|
|
|
|
|
|
class TestObjectVersioningHistoryModeUTF8(
|
|
Base2, TestObjectVersioningHistoryMode):
|
|
pass
|
|
|
|
|
|
class TestSloWithVersioning(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
if 'slo' not in cluster_info:
|
|
raise SkipTest("SLO not enabled")
|
|
if tf.in_process:
|
|
tf.skip_if_no_xattrs()
|
|
|
|
self.conn = Connection(tf.config)
|
|
self.conn.authenticate()
|
|
self.account = Account(
|
|
self.conn, tf.config.get('account', tf.config['username']))
|
|
self.account.delete_containers()
|
|
|
|
# create a container with versioning
|
|
self.versions_container = self.account.container(Utils.create_name())
|
|
self.container = self.account.container(Utils.create_name())
|
|
self.segments_container = self.account.container(Utils.create_name())
|
|
if not self.container.create(
|
|
hdrs={'X-Versions-Location': self.versions_container.name}):
|
|
if self.conn.response.status == 412:
|
|
raise SkipTest("Object versioning not enabled")
|
|
else:
|
|
raise ResponseError(self.conn.response)
|
|
if 'versions' not in self.container.info():
|
|
raise SkipTest("Object versioning not enabled")
|
|
|
|
for cont in (self.versions_container, self.segments_container):
|
|
if not cont.create():
|
|
raise ResponseError(self.conn.response)
|
|
|
|
# create some segments
|
|
self.seg_info = {}
|
|
for letter, size in (('a', 1024 * 1024),
|
|
('b', 1024 * 1024)):
|
|
seg_name = letter
|
|
file_item = self.segments_container.file(seg_name)
|
|
file_item.write((letter * size).encode('ascii'))
|
|
self.seg_info[seg_name] = {
|
|
'size_bytes': size,
|
|
'etag': file_item.md5,
|
|
'path': '/%s/%s' % (self.segments_container.name, seg_name)}
|
|
|
|
def _create_manifest(self, seg_name):
|
|
# create a manifest in the versioning container
|
|
file_item = self.container.file("my-slo-manifest")
|
|
file_item.write(
|
|
json.dumps([self.seg_info[seg_name]]).encode('ascii'),
|
|
parms={'multipart-manifest': 'put'})
|
|
return file_item
|
|
|
|
def _assert_is_manifest(self, file_item, seg_name):
|
|
manifest_body = file_item.read(parms={'multipart-manifest': 'get'})
|
|
resp_headers = {
|
|
h.lower(): v for h, v in file_item.conn.response.getheaders()}
|
|
self.assertIn('x-static-large-object', resp_headers)
|
|
self.assertEqual('application/json; charset=utf-8',
|
|
file_item.content_type)
|
|
try:
|
|
manifest = json.loads(manifest_body)
|
|
except ValueError:
|
|
self.fail("GET with multipart-manifest=get got invalid json")
|
|
|
|
self.assertEqual(1, len(manifest))
|
|
key_map = {'etag': 'hash', 'size_bytes': 'bytes'}
|
|
for k_client, k_slo in key_map.items():
|
|
self.assertEqual(self.seg_info[seg_name][k_client],
|
|
manifest[0][k_slo])
|
|
if six.PY2:
|
|
self.assertEqual(self.seg_info[seg_name]['path'].decode('utf8'),
|
|
manifest[0]['name'])
|
|
else:
|
|
self.assertEqual(self.seg_info[seg_name]['path'],
|
|
manifest[0]['name'])
|
|
|
|
def _assert_is_object(self, file_item, seg_data):
|
|
file_contents = file_item.read()
|
|
self.assertEqual(1024 * 1024, len(file_contents))
|
|
self.assertEqual(seg_data, file_contents[:1])
|
|
self.assertEqual(seg_data, file_contents[-1:])
|
|
|
|
def tearDown(self):
|
|
# remove versioning to allow simple container delete
|
|
self.container.update_metadata(hdrs={'X-Versions-Location': ''})
|
|
self.account.delete_containers()
|
|
|
|
def test_slo_manifest_version(self):
|
|
file_item = self._create_manifest('a')
|
|
# sanity check: read the manifest, then the large object
|
|
self._assert_is_manifest(file_item, 'a')
|
|
self._assert_is_object(file_item, b'a')
|
|
|
|
# upload new manifest
|
|
file_item = self._create_manifest('b')
|
|
# sanity check: read the manifest, then the large object
|
|
self._assert_is_manifest(file_item, 'b')
|
|
self._assert_is_object(file_item, b'b')
|
|
|
|
versions_list = self.versions_container.files()
|
|
self.assertEqual(1, len(versions_list))
|
|
version_file = self.versions_container.file(versions_list[0])
|
|
# check the version is still a manifest
|
|
self._assert_is_manifest(version_file, 'a')
|
|
self._assert_is_object(version_file, b'a')
|
|
|
|
# delete the newest manifest
|
|
file_item.delete()
|
|
|
|
# expect the original manifest file to be restored
|
|
self._assert_is_manifest(file_item, 'a')
|
|
self._assert_is_object(file_item, b'a')
|
|
|
|
def test_slo_manifest_version_size(self):
|
|
file_item = self._create_manifest('a')
|
|
# sanity check: read the manifest, then the large object
|
|
self._assert_is_manifest(file_item, 'a')
|
|
self._assert_is_object(file_item, b'a')
|
|
|
|
# original manifest size
|
|
primary_list = self.container.files(parms={'format': 'json'})
|
|
self.assertEqual(1, len(primary_list))
|
|
org_size = primary_list[0]['bytes']
|
|
|
|
# upload new manifest
|
|
file_item = self._create_manifest('b')
|
|
# sanity check: read the manifest, then the large object
|
|
self._assert_is_manifest(file_item, 'b')
|
|
self._assert_is_object(file_item, b'b')
|
|
|
|
versions_list = self.versions_container.files(parms={'format': 'json'})
|
|
self.assertEqual(1, len(versions_list))
|
|
version_file = self.versions_container.file(versions_list[0]['name'])
|
|
version_file_size = versions_list[0]['bytes']
|
|
# check the version is still a manifest
|
|
self._assert_is_manifest(version_file, 'a')
|
|
self._assert_is_object(version_file, b'a')
|
|
|
|
# check the version size is correct
|
|
self.assertEqual(version_file_size, org_size)
|
|
|
|
# delete the newest manifest
|
|
file_item.delete()
|
|
|
|
# expect the original manifest file to be restored
|
|
self._assert_is_manifest(file_item, 'a')
|
|
self._assert_is_object(file_item, b'a')
|
|
|
|
primary_list = self.container.files(parms={'format': 'json'})
|
|
self.assertEqual(1, len(primary_list))
|
|
primary_file_size = primary_list[0]['bytes']
|
|
# expect the original manifest file size to be the same
|
|
self.assertEqual(primary_file_size, org_size)
|
|
|
|
|
|
class TestSloWithVersioningUTF8(Base2, TestSloWithVersioning):
|
|
pass
|
|
|
|
|
|
class TestObjectVersioningChangingMode(Base):
|
|
env = TestObjectVersioningHistoryModeEnv
|
|
|
|
def setUp(self):
|
|
super(TestObjectVersioningChangingMode, self).setUp()
|
|
if 'versioned_writes' not in cluster_info:
|
|
raise SkipTest("versioned_writes not enabled")
|
|
|
|
def test_delete_while_changing_mode(self):
|
|
container = self.env.container
|
|
versions_container = self.env.versions_container
|
|
cont_info = container.info()
|
|
self.assertEqual(cont_info['versions'], quote(versions_container.name))
|
|
|
|
obj_name = Utils.create_name()
|
|
versioned_obj = container.file(obj_name)
|
|
|
|
versioned_obj.write(
|
|
b"version1", hdrs={'Content-Type': 'text/jibberish01'})
|
|
versioned_obj.write(
|
|
b"version2", hdrs={'Content-Type': 'text/jibberish01'})
|
|
|
|
# sanity, version1 object should have moved to versions_container
|
|
self.assertEqual(1, versions_container.info()['object_count'])
|
|
|
|
versioned_obj.delete()
|
|
|
|
# version2 and the delete marker should have put in versions_container
|
|
self.assertEqual(3, versions_container.info()['object_count'])
|
|
delete_marker_name = versions_container.files()[2]
|
|
delete_marker = versions_container.file(delete_marker_name)
|
|
delete_marker.initialize()
|
|
self.assertEqual(
|
|
delete_marker.content_type,
|
|
'application/x-deleted;swift_versions_deleted=1')
|
|
|
|
# change to stack mode
|
|
hdrs = {'X-Versions-Location': versions_container.name}
|
|
container.update_metadata(hdrs=hdrs)
|
|
|
|
versioned_obj.delete()
|
|
|
|
# version2 object should have been moved in container
|
|
self.assertEqual(b"version2", versioned_obj.read())
|
|
|
|
# and there's only one version1 is left in versions_container
|
|
self.assertEqual(1, versions_container.info()['object_count'])
|
|
versioned_obj_name = versions_container.files()[0]
|
|
prev_version = versions_container.file(versioned_obj_name)
|
|
prev_version.initialize()
|
|
self.assertEqual(b"version1", prev_version.read())
|
|
self.assertEqual(prev_version.content_type, 'text/jibberish01')
|
|
|
|
# reset and test double delete
|
|
# change back to history mode
|
|
hdrs = {'X-History-Location': versions_container.name}
|
|
container.update_metadata(hdrs=hdrs)
|
|
|
|
# double delete, second DELETE returns a 404 as expected
|
|
versioned_obj.delete()
|
|
with self.assertRaises(ResponseError) as cm:
|
|
versioned_obj.delete()
|
|
self.assertEqual(404, cm.exception.status)
|
|
|
|
# There should now be 4 objects total in versions_container
|
|
# 2 are delete markers
|
|
self.assertEqual(4, versions_container.info()['object_count'])
|
|
|
|
# change to stack mode
|
|
hdrs = {'X-Versions-Location': versions_container.name}
|
|
container.update_metadata(hdrs=hdrs)
|
|
|
|
# a delete, just deletes one delete marker, it doesn't yet pop
|
|
# version2 back in the container
|
|
# This DELETE doesn't return a 404!
|
|
versioned_obj.delete()
|
|
self.assertEqual(3, versions_container.info()['object_count'])
|
|
self.assertEqual(0, container.info()['object_count'])
|
|
|
|
# neither does this one!
|
|
versioned_obj.delete()
|
|
|
|
# version2 object should have been moved in container
|
|
self.assertEqual(b"version2", versioned_obj.read())
|
|
|
|
# and there's only one version1 is left in versions_container
|
|
self.assertEqual(1, versions_container.info()['object_count'])
|
|
|
|
|
|
class TestObjectVersioningChangingModeUTF8(
|
|
Base2, TestObjectVersioningChangingMode):
|
|
pass
|