331 lines
14 KiB
Python
331 lines
14 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 unittest import main
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import random
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from swiftclient import client
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from swift.common import direct_client
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from swift.common.request_helpers import get_reserved_name
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from swift.obj import reconstructor
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from test.probe.common import ReplProbeTest, ECProbeTest
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class TestObjectVersioning(ReplProbeTest):
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def _assert_account_level(self, container_name, hdr_cont_count,
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hdr_obj_count, hdr_bytes, cont_count,
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cont_bytes):
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headers, containers = client.get_account(self.url, self.token)
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self.assertEqual(hdr_cont_count, headers['x-account-container-count'])
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self.assertEqual(hdr_obj_count, headers['x-account-object-count'])
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self.assertEqual(hdr_bytes, headers['x-account-bytes-used'])
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self.assertEqual(len(containers), 1)
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container = containers[0]
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self.assertEqual(container_name, container['name'])
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self.assertEqual(cont_count, container['count'])
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self.assertEqual(cont_bytes, container['bytes'])
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def test_account_listing(self):
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versions_header_key = 'X-Versions-Enabled'
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# Create container1
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container_name = 'container1'
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obj_name = 'object1'
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client.put_container(self.url, self.token, container_name)
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# Assert account level sees it
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self._assert_account_level(
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container_name,
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hdr_cont_count='1',
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hdr_obj_count='0',
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hdr_bytes='0',
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cont_count=0,
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cont_bytes=0)
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# Enable versioning
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hdrs = {versions_header_key: 'True'}
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client.post_container(self.url, self.token, container_name, hdrs)
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# write multiple versions of same obj
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client.put_object(self.url, self.token, container_name, obj_name,
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'version1')
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client.put_object(self.url, self.token, container_name, obj_name,
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'version2')
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# Assert account level doesn't see object data yet, but it
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# does see the update for the hidden container
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self._assert_account_level(
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container_name,
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hdr_cont_count='2',
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hdr_obj_count='0',
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hdr_bytes='0',
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cont_count=0,
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cont_bytes=0)
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# Get to final state
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self.get_to_final_state()
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# Assert account level now sees updated values
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# N.B: Note difference in values between header and container listing
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# header object count is counting both symlink + object versions
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# listing count is counting only symlink (in primary container)
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self._assert_account_level(
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container_name,
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hdr_cont_count='2',
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hdr_obj_count='3',
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hdr_bytes='16',
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cont_count=1,
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cont_bytes=16)
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client.delete_object(self.url, self.token, container_name, obj_name)
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_headers, current_versions = client.get_container(
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self.url, self.token, container_name)
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self.assertEqual(len(current_versions), 0)
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_headers, all_versions = client.get_container(
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self.url, self.token, container_name, query_string='versions')
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self.assertEqual(len(all_versions), 3)
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# directly delete primary container to leave an orphan hidden
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# container
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self.direct_delete_container(container=container_name)
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# Get to final state
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self.get_to_final_state()
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# The container count decreases, as well as object count. But bytes
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# do not. The discrepancy between header object count, container
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# object count and bytes should indicate orphan hidden container is
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# still around consuming storage
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self._assert_account_level(
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container_name,
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hdr_cont_count='1',
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hdr_obj_count='3',
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hdr_bytes='16',
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cont_count=0,
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cont_bytes=16)
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# Can't HEAD or list anything, though
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with self.assertRaises(client.ClientException) as caught:
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client.head_container(self.url, self.token, container_name)
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self.assertEqual(caught.exception.http_status, 404)
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with self.assertRaises(client.ClientException) as caught:
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client.get_container(self.url, self.token, container_name)
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self.assertEqual(caught.exception.http_status, 404)
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with self.assertRaises(client.ClientException) as caught:
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client.get_container(self.url, self.token, container_name,
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query_string='versions')
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self.assertEqual(caught.exception.http_status, 404)
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with self.assertRaises(client.ClientException) as caught:
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client.get_object(
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self.url, self.token, container_name, all_versions[1]['name'],
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query_string='version-id=%s' % all_versions[1]['version_id'])
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# A little funny -- maybe this should 404 instead?
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self.assertEqual(caught.exception.http_status, 400)
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# Fix isn't too bad -- just make the container again!
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client.put_container(self.url, self.token, container_name)
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_headers, current_versions = client.get_container(
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self.url, self.token, container_name)
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self.assertEqual(len(current_versions), 0)
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_headers, all_versions = client.get_container(
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self.url, self.token, container_name, query_string='versions')
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self.assertEqual(len(all_versions), 3)
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# ... but to actually *access* the versions, you have to enable
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# versioning again
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with self.assertRaises(client.ClientException) as caught:
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client.get_object(
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self.url, self.token, container_name, all_versions[1]['name'],
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query_string='version-id=%s' % all_versions[1]['version_id'])
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self.assertEqual(caught.exception.http_status, 400)
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self.assertIn(b'version-aware operations require',
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caught.exception.http_response_content)
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client.post_container(self.url, self.token, container_name,
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headers={'X-Versions-Enabled': 'true'})
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client.get_object(
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self.url, self.token, container_name, all_versions[1]['name'],
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query_string='version-id=%s' % all_versions[1]['version_id'])
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def test_missing_versions_container(self):
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versions_header_key = 'X-Versions-Enabled'
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# Create container1
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container_name = 'container1'
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obj_name = 'object1'
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client.put_container(self.url, self.token, container_name)
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# Write some data
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client.put_object(self.url, self.token, container_name, obj_name,
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b'null version')
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# Enable versioning
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hdrs = {versions_header_key: 'True'}
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client.post_container(self.url, self.token, container_name, hdrs)
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# But directly delete hidden container to leave an orphan primary
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# container
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self.direct_delete_container(container=get_reserved_name(
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'versions', container_name))
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# Could be worse; we can still list versions and GET data
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_headers, all_versions = client.get_container(
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self.url, self.token, container_name, query_string='versions')
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self.assertEqual(len(all_versions), 1)
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self.assertEqual(all_versions[0]['name'], obj_name)
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self.assertEqual(all_versions[0]['version_id'], 'null')
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_headers, data = client.get_object(
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self.url, self.token, container_name, obj_name)
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self.assertEqual(data, b'null version')
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_headers, data = client.get_object(
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self.url, self.token, container_name, obj_name,
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query_string='version-id=null')
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self.assertEqual(data, b'null version')
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# But most any write is going to fail
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with self.assertRaises(client.ClientException) as caught:
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client.put_object(self.url, self.token, container_name, obj_name,
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b'new version')
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self.assertEqual(caught.exception.http_status, 500)
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with self.assertRaises(client.ClientException) as caught:
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client.delete_object(self.url, self.token, container_name,
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obj_name)
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self.assertEqual(caught.exception.http_status, 500)
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# Version-aware delete can work, though!
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client.delete_object(self.url, self.token, container_name, obj_name,
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query_string='version-id=null')
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# Re-enabling versioning should square us
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hdrs = {versions_header_key: 'True'}
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client.post_container(self.url, self.token, container_name, hdrs)
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client.put_object(self.url, self.token, container_name, obj_name,
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b'new version')
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_headers, all_versions = client.get_container(
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self.url, self.token, container_name, query_string='versions')
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self.assertEqual(len(all_versions), 1)
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self.assertEqual(all_versions[0]['name'], obj_name)
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self.assertNotEqual(all_versions[0]['version_id'], 'null')
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_headers, data = client.get_object(
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self.url, self.token, container_name, obj_name)
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self.assertEqual(data, b'new version')
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class TestECObjectVersioning(ECProbeTest):
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def setUp(self):
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super(TestECObjectVersioning, self).setUp()
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self.part, self.nodes = self.object_ring.get_nodes(
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self.account, self.container_name, self.object_name)
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def test_versioning_with_metadata_replication(self):
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# Enable versioning
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client.put_container(self.url, self.token, self.container_name,
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headers={
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'X-Storage-Policy': self.policy.name,
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'X-Versions-Enabled': 'True',
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})
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# create version with metadata in a handoff location
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failed_primary = random.choice(self.nodes)
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failed_primary_device_path = self.device_dir(failed_primary)
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self.kill_drive(failed_primary_device_path)
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headers = {'x-object-meta-foo': 'meta-foo'}
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client.put_object(self.url, self.token, self.container_name,
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self.object_name, contents='some data',
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headers=headers)
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headers_post = {'x-object-meta-bar': 'meta-bar'}
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client.post_object(self.url, self.token, self.container_name,
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self.object_name, headers=headers_post)
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# find the handoff
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primary_ids = [n['id'] for n in self.nodes]
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for handoff in self.object_ring.devs:
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if handoff['id'] in primary_ids:
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continue
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try:
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headers, etag = self.direct_get(handoff, self.part)
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except direct_client.DirectClientException as err:
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if err.http_status != 404:
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raise
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else:
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break
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else:
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self.fail('unable to find object on handoffs')
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# we want to repair the fault, but avoid doing the handoff revert
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self.revive_drive(failed_primary_device_path)
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handoff_config = self.config_number(handoff)
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failed_config = self.config_number(failed_primary)
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partner_nodes = reconstructor._get_partners(
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failed_primary['index'], self.nodes)
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random.shuffle(partner_nodes)
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for partner in partner_nodes:
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fix_config = self.config_number(partner)
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if fix_config not in (handoff_config, failed_config):
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break
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else:
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self.fail('unable to find fix_config in %r excluding %r & %r' % (
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[(d['device'], self.config_number(d)) for d in partner_nodes],
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handoff_config, failed_config))
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self.reconstructor.once(number=fix_config)
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# validate object in all locations
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missing = []
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etags = set()
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metadata = []
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for node in self.nodes:
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try:
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headers, etag = self.direct_get(node, self.part)
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except direct_client.DirectClientException as err:
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if err.http_status != 404:
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raise
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missing.append(node)
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continue
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etags.add(headers['X-Object-Sysmeta-Ec-Etag'])
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metadata.append(headers['X-Object-Meta-Bar'])
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if missing:
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self.fail('Ran reconstructor config #%s to repair %r but '
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'found 404 on primary: %r' % (
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fix_config, failed_primary['device'],
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[d['device'] for d in missing]))
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self.assertEqual(1, len(etags))
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self.assertEqual(['meta-bar'] * len(self.nodes), metadata)
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# process revert
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self.reconstructor.once(number=handoff_config)
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# validate object (still?) in primary locations
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etags = set()
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metadata = []
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for node in self.nodes:
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headers, etag = self.direct_get(node, self.part)
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etags.add(headers['X-Object-Sysmeta-Ec-Etag'])
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metadata.append(headers['X-Object-Meta-Bar'])
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self.assertEqual(1, len(etags))
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self.assertEqual(['meta-bar'] * len(self.nodes), metadata)
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# and removed form handoff
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with self.assertRaises(direct_client.DirectClientException) as ctx:
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headers, etag = self.direct_get(handoff, self.part)
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self.assertEqual(ctx.exception.http_status, 404)
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if __name__ == '__main__':
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main()
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