1d7e1558b3
There's still one problem, though: since swiftclient on py3 doesn't support non-ASCII characters in metadata names, none of the tests in TestReconstructorRebuildUTF8 will pass. Change-Id: I4ec879ade534e09c3a625414d8aa1f16fd600fa4
633 lines
27 KiB
Python
633 lines
27 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 __future__ import print_function
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from unittest import main
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from uuid import uuid4
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import random
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from hashlib import md5
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from collections import defaultdict
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import os
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import socket
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import errno
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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.exceptions import ClientException
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from swift.common.manager import Manager
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from test.probe.common import (kill_server, start_server, ReplProbeTest,
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ECProbeTest, Body)
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class TestObjectHandoff(ReplProbeTest):
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def test_main(self):
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# Create container
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container = 'container-%s' % uuid4()
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client.put_container(self.url, self.token, container,
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headers={'X-Storage-Policy':
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self.policy.name})
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# Kill one container/obj primary server
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cpart, cnodes = self.container_ring.get_nodes(self.account, container)
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cnode = cnodes[0]
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obj = 'object-%s' % uuid4()
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opart, onodes = self.object_ring.get_nodes(
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self.account, container, obj)
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onode = onodes[0]
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# Create container/obj (goes to two primary servers and one handoff)
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client.put_object(self.url, self.token, container, obj, b'VERIFY')
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Stash the on disk data from a primary for future comparison with the
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# handoff - this may not equal 'VERIFY' if for example the proxy has
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# crypto enabled
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direct_get_data = direct_client.direct_get_object(
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onodes[1], opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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# Kill other two container/obj primary servers
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# to ensure GET handoff works
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for node in onodes[1:]:
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kill_server((node['ip'], node['port']), self.ipport2server)
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# Indirectly through proxy assert we can get container/obj
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Restart those other two container/obj primary servers
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for node in onodes[1:]:
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start_server((node['ip'], node['port']), self.ipport2server)
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# We've indirectly verified the handoff node has the container/object,
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# but let's directly verify it.
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another_onode = next(self.object_ring.get_more_nodes(opart))
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odata = direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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self.assertEqual(direct_get_data, odata)
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# drop a tempfile in the handoff's datadir, like it might have
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# had if there was an rsync failure while it was previously a
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# primary
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handoff_device_path = self.device_dir('object', another_onode)
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data_filename = None
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for root, dirs, files in os.walk(handoff_device_path):
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for filename in files:
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if filename.endswith('.data'):
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data_filename = filename
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temp_filename = '.%s.6MbL6r' % data_filename
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temp_filepath = os.path.join(root, temp_filename)
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if not data_filename:
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self.fail('Did not find any data files on %r' %
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handoff_device_path)
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open(temp_filepath, 'w')
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# Assert container listing (via proxy and directly) has container/obj
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objs = [o['name'] for o in
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client.get_container(self.url, self.token, container)[1]]
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if obj not in objs:
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raise Exception('Container listing did not know about object')
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for cnode in cnodes:
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objs = [o['name'] for o in
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direct_client.direct_get_container(
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cnode, cpart, self.account, container)[1]]
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if obj not in objs:
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raise Exception(
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'Container server %s:%s did not know about object' %
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(cnode['ip'], cnode['port']))
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# Bring the first container/obj primary server back up
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start_server((onode['ip'], onode['port']), self.ipport2server)
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# Assert that it doesn't have container/obj yet
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try:
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direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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# Run object replication, ensuring we run the handoff node last so it
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# will remove its extra handoff partition
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for node in onodes:
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try:
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port_num = node['replication_port']
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except KeyError:
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port_num = node['port']
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node_id = (port_num - 6000) // 10
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Manager(['object-replicator']).once(number=node_id)
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try:
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another_port_num = another_onode['replication_port']
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except KeyError:
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another_port_num = another_onode['port']
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another_num = (another_port_num - 6000) // 10
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Manager(['object-replicator']).once(number=another_num)
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# Assert the first container/obj primary server now has container/obj
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odata = direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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self.assertEqual(direct_get_data, odata)
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# and that it does *not* have a temporary rsync dropping!
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found_data_filename = False
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primary_device_path = self.device_dir('object', onode)
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for root, dirs, files in os.walk(primary_device_path):
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for filename in files:
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if filename.endswith('.6MbL6r'):
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self.fail('Found unexpected file %s' %
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os.path.join(root, filename))
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if filename == data_filename:
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found_data_filename = True
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self.assertTrue(found_data_filename,
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'Did not find data file %r on %r' % (
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data_filename, primary_device_path))
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# Assert the handoff server no longer has container/obj
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try:
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direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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# Kill the first container/obj primary server again (we have two
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# primaries and the handoff up now)
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# Delete container/obj
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try:
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client.delete_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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if self.object_ring.replica_count > 2:
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raise
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# Object DELETE returning 503 for (404, 204)
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# remove this with fix for
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# https://bugs.launchpad.net/swift/+bug/1318375
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self.assertEqual(503, err.http_status)
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# Assert we can't head container/obj
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try:
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client.head_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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# Assert container/obj is not in the container listing, both indirectly
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# and directly
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objs = [o['name'] for o in
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client.get_container(self.url, self.token, container)[1]]
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if obj in objs:
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raise Exception('Container listing still knew about object')
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for cnode in cnodes:
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objs = [o['name'] for o in
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direct_client.direct_get_container(
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cnode, cpart, self.account, container)[1]]
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if obj in objs:
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raise Exception(
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'Container server %s:%s still knew about object' %
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(cnode['ip'], cnode['port']))
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# Restart the first container/obj primary server again
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start_server((onode['ip'], onode['port']), self.ipport2server)
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# Assert it still has container/obj
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direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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# Run object replication, ensuring we run the handoff node last so it
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# will remove its extra handoff partition
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for node in onodes:
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try:
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port_num = node['replication_port']
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except KeyError:
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port_num = node['port']
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node_id = (port_num - 6000) // 10
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Manager(['object-replicator']).once(number=node_id)
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another_node_id = (another_port_num - 6000) // 10
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Manager(['object-replicator']).once(number=another_node_id)
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# Assert primary node no longer has container/obj
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try:
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direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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def test_stale_reads(self):
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# Create container
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container = 'container-%s' % uuid4()
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client.put_container(self.url, self.token, container,
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headers={'X-Storage-Policy':
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self.policy.name})
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# Kill one primary obj server
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obj = 'object-%s' % uuid4()
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opart, onodes = self.object_ring.get_nodes(
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self.account, container, obj)
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onode = onodes[0]
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# Create container/obj (goes to two primaries and one handoff)
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client.put_object(self.url, self.token, container, obj, b'VERIFY')
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Stash the on disk data from a primary for future comparison with the
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# handoff - this may not equal 'VERIFY' if for example the proxy has
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# crypto enabled
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direct_get_data = direct_client.direct_get_object(
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onodes[1], opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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# Restart the first container/obj primary server again
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start_server((onode['ip'], onode['port']), self.ipport2server)
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# send a delete request to primaries
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client.delete_object(self.url, self.token, container, obj)
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# there should be .ts files in all primaries now
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for node in onodes:
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try:
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direct_client.direct_get_object(
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node, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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# verify that handoff still has the data, DELETEs should have gone
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# only to primaries
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another_onode = next(self.object_ring.get_more_nodes(opart))
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handoff_data = direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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self.assertEqual(handoff_data, direct_get_data)
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# Indirectly (i.e., through proxy) try to GET object, it should return
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# a 404, before bug #1560574, the proxy would return the stale object
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# from the handoff
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try:
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client.get_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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def test_missing_primaries(self):
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# Create container
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container = 'container-%s' % uuid4()
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client.put_container(self.url, self.token, container,
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headers={'X-Storage-Policy':
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self.policy.name})
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# Create container/obj (goes to all three primaries)
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obj = 'object-%s' % uuid4()
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client.put_object(self.url, self.token, container, obj, b'VERIFY')
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Kill all primaries obj server
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obj = 'object-%s' % uuid4()
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opart, onodes = self.object_ring.get_nodes(
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self.account, container, obj)
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for onode in onodes:
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# Indirectly (i.e., through proxy) try to GET object, it should return
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# a 503, since all primaries will Timeout and handoffs return a 404.
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try:
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client.get_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 503)
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else:
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self.fail("Expected ClientException but didn't get it")
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# Restart the first container/obj primary server again
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onode = onodes[0]
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start_server((onode['ip'], onode['port']), self.ipport2server)
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# Send a delete that will reach first primary and handoff.
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# Sure, the DELETE will return a 404 since the handoff doesn't
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# have a .data file, but object server will still write a
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# Tombstone in the handoff node!
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try:
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client.delete_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 404)
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# kill the first container/obj primary server again
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# a new GET should return a 404, since all primaries will Timeout
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# and the handoff will return a 404 but this time with a tombstone
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try:
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client.get_object(self.url, self.token, container, obj)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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class TestECObjectHandoff(ECProbeTest):
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def get_object(self, container_name, object_name):
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headers, body = client.get_object(self.url, self.token,
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container_name,
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object_name,
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resp_chunk_size=64 * 2 ** 10)
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resp_checksum = md5()
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for chunk in body:
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resp_checksum.update(chunk)
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return resp_checksum.hexdigest()
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def test_ec_handoff_overwrite(self):
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container_name = 'container-%s' % uuid4()
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object_name = 'object-%s' % uuid4()
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# create EC container
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headers = {'X-Storage-Policy': self.policy.name}
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client.put_container(self.url, self.token, container_name,
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headers=headers)
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# PUT object
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old_contents = Body()
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client.put_object(self.url, self.token, container_name,
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object_name, contents=old_contents)
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# get our node lists
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opart, onodes = self.object_ring.get_nodes(
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self.account, container_name, object_name)
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# shutdown one of the primary data nodes
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failed_primary = random.choice(onodes)
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failed_primary_device_path = self.device_dir('object', failed_primary)
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# first read its ec etag value for future reference - this may not
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# equal old_contents.etag if for example the proxy has crypto enabled
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req_headers = {'X-Backend-Storage-Policy-Index': int(self.policy)}
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headers = direct_client.direct_head_object(
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failed_primary, opart, self.account, container_name,
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object_name, headers=req_headers)
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old_backend_etag = headers['X-Object-Sysmeta-EC-Etag']
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self.kill_drive(failed_primary_device_path)
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# overwrite our object with some new data
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new_contents = Body()
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client.put_object(self.url, self.token, container_name,
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object_name, contents=new_contents)
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self.assertNotEqual(new_contents.etag, old_contents.etag)
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# restore failed primary device
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self.revive_drive(failed_primary_device_path)
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# sanity - failed node has old contents
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req_headers = {'X-Backend-Storage-Policy-Index': int(self.policy)}
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headers = direct_client.direct_head_object(
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failed_primary, opart, self.account, container_name,
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object_name, headers=req_headers)
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self.assertEqual(headers['X-Object-Sysmeta-EC-Etag'],
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old_backend_etag)
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# we have 1 primary with wrong old etag, and we should have 5 with
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# new etag plus a handoff with the new etag, so killing 2 other
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# primaries forces proxy to try to GET from all primaries plus handoff.
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other_nodes = [n for n in onodes if n != failed_primary]
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random.shuffle(other_nodes)
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# grab the value of the new content's ec etag for future reference
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headers = direct_client.direct_head_object(
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other_nodes[0], opart, self.account, container_name,
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object_name, headers=req_headers)
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new_backend_etag = headers['X-Object-Sysmeta-EC-Etag']
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for node in other_nodes[:2]:
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self.kill_drive(self.device_dir('object', node))
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# sanity, after taking out two primaries we should be down to
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# only four primaries, one of which has the old etag - but we
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# also have a handoff with the new etag out there
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found_frags = defaultdict(int)
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req_headers = {'X-Backend-Storage-Policy-Index': int(self.policy)}
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for node in onodes + list(self.object_ring.get_more_nodes(opart)):
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try:
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headers = direct_client.direct_head_object(
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node, opart, self.account, container_name,
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object_name, headers=req_headers)
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except Exception:
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continue
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found_frags[headers['X-Object-Sysmeta-EC-Etag']] += 1
|
|
self.assertEqual(found_frags, {
|
|
new_backend_etag: 4, # this should be enough to rebuild!
|
|
old_backend_etag: 1,
|
|
})
|
|
|
|
# clear node error limiting
|
|
Manager(['proxy']).restart()
|
|
|
|
resp_etag = self.get_object(container_name, object_name)
|
|
self.assertEqual(resp_etag, new_contents.etag)
|
|
|
|
def _check_nodes(self, opart, onodes, container_name, object_name):
|
|
found_frags = defaultdict(int)
|
|
req_headers = {'X-Backend-Storage-Policy-Index': int(self.policy)}
|
|
for node in onodes + list(self.object_ring.get_more_nodes(opart)):
|
|
try:
|
|
headers = direct_client.direct_head_object(
|
|
node, opart, self.account, container_name,
|
|
object_name, headers=req_headers)
|
|
except socket.error as e:
|
|
if e.errno != errno.ECONNREFUSED:
|
|
raise
|
|
except direct_client.DirectClientException as e:
|
|
if e.http_status != 404:
|
|
raise
|
|
else:
|
|
found_frags[headers['X-Object-Sysmeta-Ec-Frag-Index']] += 1
|
|
return found_frags
|
|
|
|
def test_ec_handoff_duplicate_available(self):
|
|
container_name = 'container-%s' % uuid4()
|
|
object_name = 'object-%s' % uuid4()
|
|
|
|
# create EC container
|
|
headers = {'X-Storage-Policy': self.policy.name}
|
|
client.put_container(self.url, self.token, container_name,
|
|
headers=headers)
|
|
|
|
# get our node lists
|
|
opart, onodes = self.object_ring.get_nodes(
|
|
self.account, container_name, object_name)
|
|
|
|
# find both primary servers that have both of their devices in
|
|
# the primary node list
|
|
group_nodes_by_config = defaultdict(list)
|
|
for n in onodes:
|
|
group_nodes_by_config[self.config_number(n)].append(n)
|
|
double_disk_primary = []
|
|
for config_number, node_list in group_nodes_by_config.items():
|
|
if len(node_list) > 1:
|
|
double_disk_primary.append((config_number, node_list))
|
|
|
|
# sanity, in a 4+2 with 8 disks two servers will be doubled
|
|
self.assertEqual(len(double_disk_primary), 2)
|
|
|
|
# shutdown the first double primary
|
|
primary0_config_number, primary0_node_list = double_disk_primary[0]
|
|
Manager(['object-server']).stop(number=primary0_config_number)
|
|
|
|
# PUT object
|
|
contents = Body()
|
|
client.put_object(self.url, self.token, container_name,
|
|
object_name, contents=contents)
|
|
|
|
# sanity fetch two frags on handoffs
|
|
handoff_frags = []
|
|
for node in self.object_ring.get_more_nodes(opart):
|
|
headers, data = direct_client.direct_get_object(
|
|
node, opart, self.account, container_name, object_name,
|
|
headers={'X-Backend-Storage-Policy-Index': int(self.policy)}
|
|
)
|
|
handoff_frags.append((node, headers, data))
|
|
|
|
# bring the first double primary back, and fail the other one
|
|
Manager(['object-server']).start(number=primary0_config_number)
|
|
primary1_config_number, primary1_node_list = double_disk_primary[1]
|
|
Manager(['object-server']).stop(number=primary1_config_number)
|
|
|
|
# we can still GET the object
|
|
resp_etag = self.get_object(container_name, object_name)
|
|
self.assertEqual(resp_etag, contents.etag)
|
|
|
|
# now start to "revert" the first handoff frag
|
|
node = primary0_node_list[0]
|
|
handoff_node, headers, data = handoff_frags[0]
|
|
# N.B. object server api returns quoted ETag
|
|
headers['ETag'] = headers['Etag'].strip('"')
|
|
headers['X-Backend-Storage-Policy-Index'] = int(self.policy)
|
|
direct_client.direct_put_object(
|
|
node, opart,
|
|
self.account, container_name, object_name,
|
|
contents=data, headers=headers)
|
|
|
|
# sanity - check available frags
|
|
frag2count = self._check_nodes(opart, onodes,
|
|
container_name, object_name)
|
|
# ... five frags total
|
|
self.assertEqual(sum(frag2count.values()), 5)
|
|
# ... only 4 unique indexes
|
|
self.assertEqual(len(frag2count), 4)
|
|
|
|
# we can still GET the object
|
|
resp_etag = self.get_object(container_name, object_name)
|
|
self.assertEqual(resp_etag, contents.etag)
|
|
|
|
# ... but we need both handoffs or we get a error
|
|
for handoff_node, hdrs, data in handoff_frags:
|
|
Manager(['object-server']).stop(
|
|
number=self.config_number(handoff_node))
|
|
with self.assertRaises(Exception) as cm:
|
|
self.get_object(container_name, object_name)
|
|
self.assertIn(cm.exception.http_status, (404, 503))
|
|
Manager(['object-server']).start(
|
|
number=self.config_number(handoff_node))
|
|
|
|
# fix everything
|
|
Manager(['object-server']).start(number=primary1_config_number)
|
|
Manager(["object-reconstructor"]).once()
|
|
|
|
# sanity - check available frags
|
|
frag2count = self._check_nodes(opart, onodes,
|
|
container_name, object_name)
|
|
# ... six frags total
|
|
self.assertEqual(sum(frag2count.values()), 6)
|
|
# ... all six unique
|
|
self.assertEqual(len(frag2count), 6)
|
|
|
|
def test_ec_primary_timeout(self):
|
|
container_name = 'container-%s' % uuid4()
|
|
object_name = 'object-%s' % uuid4()
|
|
|
|
# create EC container
|
|
headers = {'X-Storage-Policy': self.policy.name}
|
|
client.put_container(self.url, self.token, container_name,
|
|
headers=headers)
|
|
|
|
# PUT object, should go to primary nodes
|
|
old_contents = Body()
|
|
client.put_object(self.url, self.token, container_name,
|
|
object_name, contents=old_contents)
|
|
|
|
# get our node lists
|
|
opart, onodes = self.object_ring.get_nodes(
|
|
self.account, container_name, object_name)
|
|
|
|
# shutdown three of the primary data nodes
|
|
for i in range(3):
|
|
failed_primary = onodes[i]
|
|
failed_primary_device_path = self.device_dir('object',
|
|
failed_primary)
|
|
self.kill_drive(failed_primary_device_path)
|
|
|
|
# Indirectly (i.e., through proxy) try to GET object, it should return
|
|
# a 503, since all primaries will Timeout and handoffs return a 404.
|
|
try:
|
|
client.get_object(self.url, self.token, container_name,
|
|
object_name)
|
|
except client.ClientException as err:
|
|
self.assertEqual(err.http_status, 503)
|
|
else:
|
|
self.fail("Expected ClientException but didn't get it")
|
|
|
|
# Send a delete to write down tombstones in the handoff nodes
|
|
client.delete_object(self.url, self.token, container_name, object_name)
|
|
|
|
# Now a new GET should return 404 because the handoff nodes
|
|
# return a 404 with a Tombstone.
|
|
try:
|
|
client.get_object(self.url, self.token, container_name,
|
|
object_name)
|
|
except client.ClientException as err:
|
|
self.assertEqual(err.http_status, 404)
|
|
else:
|
|
self.fail("Expected ClientException but didn't get it")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|