def test_sync(self):
all_objects = []
# upload some containers
for policy in ENABLED_POLICIES:
container = 'container-%s-%s' % (policy.name, uuid.uuid4())
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy': policy.name})
obj = 'object-%s' % uuid.uuid4()
body = 'test-body'
client.put_object(self.url, self.token, container, obj, body)
all_objects.append((policy, container, obj))
Manager(['container-updater']).once()
headers = client.head_account(self.url, self.token)
self.assertEqual(int(headers['x-account-container-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-object-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-bytes-used']),
len(ENABLED_POLICIES) * len(body))
part, nodes = self.account_ring.get_nodes(self.account)
for node in nodes:
direct_delete_account(node, part, self.account)
Manager(['account-reaper']).once()
get_to_final_state()
for policy, container, obj in all_objects:
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEquals(err.http_status, 404)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, node))
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj)
except ClientException as err:
self.assertEquals(err.http_status, 404)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
def test_sync(self):
all_objects = []
# upload some containers
for policy in ENABLED_POLICIES:
container = 'container-%s-%s' % (policy.name, uuid.uuid4())
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy': policy.name})
obj = 'object-%s' % uuid.uuid4()
body = 'test-body'
client.put_object(self.url, self.token, container, obj, body)
all_objects.append((policy, container, obj))
Manager(['container-updater']).once()
headers = client.head_account(self.url, self.token)
self.assertEqual(int(headers['x-account-container-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-object-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-bytes-used']),
len(ENABLED_POLICIES) * len(body))
part, nodes = self.account_ring.get_nodes(self.account)
for node in nodes:
direct_delete_account(node, part, self.account)
Manager(['account-reaper']).once()
get_to_final_state()
for policy, container, obj in all_objects:
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEquals(err.http_status, 404)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, node))
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj)
except ClientException as err:
self.assertEquals(err.http_status, 404)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
def test_direct_head_container_deleted(self):
important_timestamp = Timestamp.now().internal
headers = HeaderKeyDict({'X-Backend-Important-Timestamp':
important_timestamp})
with mocked_http_conn(404, headers) as conn:
with self.assertRaises(ClientException) as raised:
direct_client.direct_head_container(
self.node, self.part, self.account, self.container)
self.assertEqual(conn.host, self.node['ip'])
self.assertEqual(conn.port, self.node['port'])
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(raised.exception.http_status, 404)
self.assertEqual(raised.exception.http_headers, headers)
def _eat_client_exception(*args):
try:
return direct_head_container(*args)
except ClientException as err:
if err.http_status == 404:
return err.http_headers
except (Timeout, socket.error):
pass
def _eat_client_exception(*args):
try:
return direct_head_container(*args)
except ClientException as err:
if err.http_status == 404:
return err.http_headers
except (Timeout, socket.error):
pass
def test_direct_head_container_error(self):
headers = HeaderKeyDict(key='value')
with mocked_http_conn(503, headers) as conn:
with self.assertRaises(ClientException) as raised:
direct_client.direct_head_container(
self.node, self.part, self.account, self.container)
# check request
self.assertEqual(conn.host, self.node['ip'])
self.assertEqual(conn.port, self.node['port'])
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(raised.exception.http_status, 503)
self.assertEqual(raised.exception.http_headers, headers)
self.assertTrue('HEAD' in str(raised.exception))
def test_delayed_reap(self):
# define reapers which are supposed to operate 3 seconds later
account_reapers = []
for conf_file in self.configs['account-server'].values():
conf = utils.readconf(conf_file, 'account-reaper')
conf['delay_reaping'] = '3'
account_reapers.append(reaper.AccountReaper(conf))
self.assertTrue(account_reapers)
# run reaper, and make sure that nothing is reaped
for account_reaper in account_reapers:
account_reaper.run_once()
for policy, container, obj in self.all_objects:
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException:
self.fail(
"Nothing should be reaped. Container should exist")
part, nodes = policy.object_ring.get_nodes(self.account, container,
obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
for node in nodes:
try:
direct_get_object(node,
part,
self.account,
container,
obj,
headers=headers)
except ClientException:
self.fail("Nothing should be reaped. Object should exist")
# wait 3 seconds, run reaper, and make sure that all is reaped
sleep(3)
for account_reaper in account_reapers:
account_reaper.run_once()
self._verify_account_reaped()
def test_direct_head_container_error(self):
headers = HeaderKeyDict(key='value')
with mocked_http_conn(503, headers) as conn:
with self.assertRaises(ClientException) as raised:
direct_client.direct_head_container(self.node, self.part,
self.account,
self.container)
# check request
self.assertEqual(conn.host, self.node['ip'])
self.assertEqual(conn.port, self.node['port'])
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(raised.exception.http_status, 503)
self.assertEqual(raised.exception.http_headers, headers)
self.assertTrue('HEAD' in str(raised.exception))
def test_direct_head_container_deleted(self):
important_timestamp = Timestamp.now().internal
headers = HeaderKeyDict(
{'X-Backend-Important-Timestamp': important_timestamp})
with mocked_http_conn(404, headers) as conn:
with self.assertRaises(ClientException) as raised:
direct_client.direct_head_container(self.node, self.part,
self.account,
self.container)
self.assertEqual(conn.host, self.node['ip'])
self.assertEqual(conn.port, self.node['port'])
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(raised.exception.http_status, 404)
self.assertEqual(raised.exception.http_headers, headers)
def _eat_client_exception(*args):
try:
return direct_head_container(
*args, headers={USE_REPLICATION_NETWORK_HEADER: 'true'})
except ClientException as err:
if err.http_status == 404:
return err.http_headers
except (Timeout, socket.error):
pass
def test_direct_head_container_error(self):
headers = HeaderKeyDict(key='value')
with mocked_http_conn(503, headers) as conn:
try:
direct_client.direct_head_container(
self.node, self.part, self.account, self.container)
except ClientException as err:
pass
else:
self.fail('ClientException not raised')
# check request
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(err.http_status, 503)
self.assertEqual(err.http_headers, headers)
self.assertTrue('HEAD' in str(err))
def test_direct_head_container_deleted(self):
important_timestamp = Timestamp(time.time()).internal
headers = HeaderKeyDict({'X-Backend-Important-Timestamp':
important_timestamp})
with mocked_http_conn(404, headers) as conn:
try:
direct_client.direct_head_container(
self.node, self.part, self.account, self.container)
except Exception as err:
self.assertTrue(isinstance(err, ClientException))
else:
self.fail('ClientException not raised')
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(err.http_status, 404)
self.assertEqual(err.http_headers, headers)
def test_delayed_reap(self):
# define reapers which are supposed to operate 3 seconds later
account_reapers = []
for conf_file in self.configs['account-server'].values():
conf = utils.readconf(conf_file, 'account-reaper')
conf['delay_reaping'] = '3'
account_reapers.append(reaper.AccountReaper(conf))
self.assertTrue(account_reapers)
# run reaper, and make sure that nothing is reaped
for account_reaper in account_reapers:
account_reaper.run_once()
for policy, container, obj in self.all_objects:
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException:
self.fail(
"Nothing should be reaped. Container should exist")
part, nodes = policy.object_ring.get_nodes(self.account,
container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj, headers=headers)
except ClientException:
self.fail("Nothing should be reaped. Object should exist")
# wait 3 seconds, run reaper, and make sure that all is reaped
sleep(3)
for account_reaper in account_reapers:
account_reaper.run_once()
self._verify_account_reaped()
def test_direct_head_container(self):
headers = HeaderKeyDict(key='value')
with mocked_http_conn(200, headers) as conn:
resp = direct_client.direct_head_container(
self.node, self.part, self.account, self.container)
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'],
self.user_agent)
self.assertEqual(headers, resp)
def test_direct_head_container(self):
node = {'ip': '1.2.3.4', 'port': '6000', 'device': 'sda'}
part = '0'
account = 'a'
container = 'c'
headers = {'key': 'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers)
resp = direct_client.direct_head_container(node, part, account, container)
headers.update({'user-agent': 'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp)
direct_client.http_connect = was_http_connector
def test_direct_head_container(self):
node = {'ip': '1.2.3.4', 'port': '6000', 'device': 'sda'}
part = '0'
account = 'a'
container = 'c'
headers = {'key': 'value'}
was_http_connector = direct_client.http_connect
direct_client.http_connect = mock_http_connect(200, headers)
resp = direct_client.direct_head_container(node, part, account, container)
headers.update({'user-agent': 'direct-client %s' % os.getpid()})
self.assertEqual(headers, resp)
direct_client.http_connect = was_http_connector
def test_direct_head_container_replication_net(self):
headers = HeaderKeyDict(key='value')
with mocked_http_conn(200, headers) as conn:
resp = direct_client.direct_head_container(
self.node,
self.part,
self.account,
self.container,
headers={'X-Backend-Use-Replication-Network': 'on'})
self.assertEqual(conn.host, self.node['replication_ip'])
self.assertEqual(conn.port, self.node['replication_port'])
self.assertNotEqual(conn.host, self.node['ip'])
self.assertNotEqual(conn.port, self.node['port'])
self.assertEqual(conn.method, 'HEAD')
self.assertEqual(conn.path, self.container_path)
self.assertEqual(conn.req_headers['user-agent'], self.user_agent)
self.assertEqual(headers, resp)
def test_merge_storage_policy_index(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.put_object(headers={'x-object-meta-test': 'custom-meta'},
contents='VERIFY')
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assertTrue(
len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(
self.account, self.container_name, self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index':
policy_index})
except direct_client.ClientException as err:
continue
orig_policy_index = policy_index
break
if orig_policy_index is not None:
break
else:
self.fail('Unable to find /%s/%s/%s in %r' % (
self.account, self.container_name, self.object_name,
found_policy_indexes))
self.get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assertTrue(len(found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' %
head_responses)
expected_policy_index = found_policy_indexes.pop()
self.assertNotEqual(orig_policy_index, expected_policy_index)
# validate object placement
orig_policy_ring = POLICIES.get_object_ring(orig_policy_index,
'/etc/swift')
for node in orig_policy_ring.devs:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name, headers={
'X-Backend-Storage-Policy-Index': orig_policy_index})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
raise
else:
self.fail('Found /%s/%s/%s in %s' % (
self.account, self.container_name, self.object_name,
orig_policy_index))
# verify that the object data read by external client is correct
headers, data = self._get_object_patiently(expected_policy_index)
self.assertEqual('VERIFY', data)
self.assertEqual('custom-meta', headers['x-object-meta-test'])
def test_reconciler_move_object_twice(self):
# select some policies
old_policy = random.choice(ENABLED_POLICIES)
new_policy = random.choice(
[p for p in ENABLED_POLICIES if p != old_policy])
# setup a split brain
self.brain.stop_handoff_half()
# get old_policy on two primaries
self.brain.put_container(policy_index=int(old_policy))
self.brain.start_handoff_half()
self.brain.stop_primary_half()
# force a recreate on handoffs
self.brain.put_container(policy_index=int(old_policy))
self.brain.delete_container()
self.brain.put_container(policy_index=int(new_policy))
self.brain.put_object() # populate memcache with new_policy
self.brain.start_primary_half()
# at this point two primaries have old policy
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = [
(node,
direct_client.direct_head_container(node, container_part,
self.account,
self.container_name))
for node in container_nodes
]
old_container_nodes = [
node for node, metadata in head_responses if int(old_policy) ==
int(metadata['X-Backend-Storage-Policy-Index'])
]
self.assertEqual(2, len(old_container_nodes))
# hopefully memcache still has the new policy cached
self.brain.put_object(headers={'x-object-meta-test': 'custom-meta'},
contents=b'VERIFY')
# double-check object correctly written to new policy
conf_files = []
for server in Manager(['container-reconciler']).servers:
conf_files.extend(server.conf_files())
conf_file = conf_files[0]
int_client = InternalClient(conf_file, 'probe-test', 3)
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# shutdown the containers that know about the new policy
self.brain.stop_handoff_half()
# and get rows enqueued from old nodes
for server_type in ('container-replicator', 'container-updater'):
server = Manager([server_type])
for node in old_container_nodes:
server.once(number=self.config_number(node))
# verify entry in the queue for the "misplaced" new_policy
for container in int_client.iter_containers(MISPLACED_OBJECTS_ACCOUNT):
for obj in int_client.iter_objects(MISPLACED_OBJECTS_ACCOUNT,
container['name']):
expected = '%d:/%s/%s/%s' % (new_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# verify object in old_policy
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# verify object is *not* in new_policy
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
self.get_to_final_state()
# verify entry in the queue
for container in int_client.iter_containers(MISPLACED_OBJECTS_ACCOUNT):
for obj in int_client.iter_objects(MISPLACED_OBJECTS_ACCOUNT,
container['name']):
expected = '%d:/%s/%s/%s' % (old_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# and now it flops back
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
int_client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# make sure the queue is settled
self.get_to_final_state()
for container in int_client.iter_containers(MISPLACED_OBJECTS_ACCOUNT):
for obj in int_client.iter_objects(MISPLACED_OBJECTS_ACCOUNT,
container['name']):
self.fail('Found unexpected object %r in the queue' % obj)
# verify that the object data read by external client is correct
headers, data = self._get_object_patiently(int(new_policy))
self.assertEqual(b'VERIFY', data)
self.assertEqual('custom-meta', headers['x-object-meta-test'])
def test_metadata_sync(self):
# Create container
container = 'container-%s' % uuid4()
client.put_container(self.url,
self.token,
container,
headers={
'X-Storage-Policy': self.policy.name,
'X-Container-Meta-A': '1',
'X-Container-Meta-B': '1',
'X-Container-Meta-C': '1'
})
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes.pop()
# 2 of 3 container servers are temporarily down
for node in cnodes:
kill_server((node['ip'], node['port']), self.ipport2server)
# Put some meta on the lone server, to make sure it's merged properly
# This will 503 (since we don't have a quorum), but we don't care (!)
try:
client.post_container(self.url,
self.token,
container,
headers={
'X-Container-Meta-A': '2',
'X-Container-Meta-B': '2',
'X-Container-Meta-D': '2'
})
except ClientException:
pass
# object updates come to only one container server
for _ in range(self.object_puts):
obj = 'object-%s' % uuid4()
client.put_object(self.url, self.token, container, obj, 'VERIFY')
# 2 container servers make comeback
for node in cnodes:
start_server((node['ip'], node['port']), self.ipport2server)
# But, container-server which got object updates is down
kill_server((cnode['ip'], cnode['port']), self.ipport2server)
# Metadata update will be applied to 2 container servers
# (equal to quorum)
client.post_container(self.url,
self.token,
container,
headers={
'X-Container-Meta-B': '3',
'X-Container-Meta-E': '3'
})
# container-server which got object updates makes comeback
start_server((cnode['ip'], cnode['port']), self.ipport2server)
# other nodes have no objects
for node in cnodes:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
self.assertIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
# If container-replicator on the node which got the object updates
# runs in first, db file may be replicated by rsync to other
# containers. In that case, the db file does not information about
# metadata, so metadata should be synced before replication
Manager(['container-replicator'
]).once(number=self.config_number(cnode))
expected_meta = {
'x-container-meta-a': '2',
'x-container-meta-b': '2',
'x-container-meta-c': '1',
'x-container-meta-d': '2',
}
# node that got the object updates still doesn't have the meta
resp_headers = direct_client.direct_head_container(
cnode, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
expected_meta = {
'x-container-meta-a': '2',
'x-container-meta-b': '3',
'x-container-meta-c': '1',
'x-container-meta-d': '2',
'x-container-meta-e': '3',
}
# other nodes still have the meta, as well as objects
for node in cnodes:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
# and after full pass on remaining nodes
for node in cnodes:
Manager(['container-replicator'
]).once(number=self.config_number(node))
# ... all is right
for node in cnodes + [cnode]:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
def test_merge_storage_policy_index(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.put_object()
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assert_(
len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(self.account,
self.container_name,
self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': policy_index
})
except direct_client.ClientException as err:
continue
orig_policy_index = policy_index
break
if orig_policy_index is not None:
break
else:
self.fail('Unable to find /%s/%s/%s in %r' %
(self.account, self.container_name, self.object_name,
found_policy_indexes))
get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assert_(
len(found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' % head_responses)
expected_policy_index = found_policy_indexes.pop()
self.assertNotEqual(orig_policy_index, expected_policy_index)
# validate object placement
orig_policy_ring = POLICIES.get_object_ring(orig_policy_index,
'/etc/swift')
for node in orig_policy_ring.devs:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': orig_policy_index
})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
raise
else:
self.fail('Found /%s/%s/%s in %s' %
(self.account, self.container_name, self.object_name,
orig_policy_index))
# use proxy to access object (bad container info might be cached...)
timeout = time.time() + TIMEOUT
while time.time() < timeout:
try:
metadata = client.head_object(self.url, self.token,
self.container_name,
self.object_name)
except ClientException as err:
if err.http_status != HTTP_NOT_FOUND:
raise
time.sleep(1)
else:
break
else:
self.fail('could not HEAD /%s/%s/%s/ from policy %s '
'after %s seconds.' %
(self.account, self.container_name, self.object_name,
expected_policy_index, TIMEOUT))
def test_reconciler_move_object_twice(self):
# select some policies
old_policy = random.choice(list(POLICIES))
new_policy = random.choice([p for p in POLICIES if p != old_policy])
# setup a split brain
self.brain.stop_handoff_half()
# get old_policy on two primaries
self.brain.put_container(policy_index=int(old_policy))
self.brain.start_handoff_half()
self.brain.stop_primary_half()
# force a recreate on handoffs
self.brain.put_container(policy_index=int(old_policy))
self.brain.delete_container()
self.brain.put_container(policy_index=int(new_policy))
self.brain.put_object() # populate memcache with new_policy
self.brain.start_primary_half()
# at this point two primaries have old policy
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
old_container_node_ids = [
node['id'] for node, metadata in head_responses if int(old_policy)
== int(metadata['X-Backend-Storage-Policy-Index'])
]
self.assertEqual(2, len(old_container_node_ids))
# hopefully memcache still has the new policy cached
self.brain.put_object()
# double-check object correctly written to new policy
conf_files = []
for server in Manager(['container-reconciler']).servers:
conf_files.extend(server.conf_files())
conf_file = conf_files[0]
client = InternalClient(conf_file, 'probe-test', 3)
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# shutdown the containers that know about the new policy
self.brain.stop_handoff_half()
# and get rows enqueued from old nodes
for server_type in ('container-replicator', 'container-updater'):
server = Manager([server_type])
tuple(server.once(number=n + 1) for n in old_container_node_ids)
# verify entry in the queue for the "misplaced" new_policy
for container in client.iter_containers('.misplaced_objects'):
for obj in client.iter_objects('.misplaced_objects',
container['name']):
expected = '%d:/%s/%s/%s' % (new_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# verify object in old_policy
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# verify object is *not* in new_policy
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
get_to_final_state()
# verify entry in the queue
client = InternalClient(conf_file, 'probe-test', 3)
for container in client.iter_containers('.misplaced_objects'):
for obj in client.iter_objects('.misplaced_objects',
container['name']):
expected = '%d:/%s/%s/%s' % (old_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# and now it flops back
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
client.get_object_metadata(
self.account,
self.container_name,
self.object_name,
acceptable_statuses=(4, ),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# make sure the queue is settled
get_to_final_state()
for container in client.iter_containers('.misplaced_objects'):
for obj in client.iter_objects('.misplaced_objects',
container['name']):
self.fail('Found unexpected object %r in the queue' % obj)
def test_sync(self):
all_objects = []
# upload some containers
for policy in ENABLED_POLICIES:
container = 'container-%s-%s' % (policy.name, uuid.uuid4())
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy': policy.name})
obj = 'object-%s' % uuid.uuid4()
body = 'test-body'
client.put_object(self.url, self.token, container, obj, body)
all_objects.append((policy, container, obj))
Manager(['container-updater']).once()
headers = client.head_account(self.url, self.token)
self.assertEqual(int(headers['x-account-container-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-object-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-bytes-used']),
len(ENABLED_POLICIES) * len(body))
part, nodes = self.account_ring.get_nodes(self.account)
for node in nodes:
direct_delete_account(node, part, self.account)
# run the reaper
Manager(['account-reaper']).once()
for policy, container, obj in all_objects:
# verify that any container deletes were at same timestamp
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
# Container replicas may not yet be deleted if we have a
# policy with object replicas < container replicas, so
# ignore successful HEAD. We'll check for all replicas to
# be deleted again after running the replicators.
pass
self.assertEqual(1, len(delete_times), delete_times)
# verify that all object deletes were at same timestamp
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj, headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
# run replicators and updaters
self.get_to_final_state()
for policy, container, obj in all_objects:
# verify that ALL container replicas are now deleted
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, cnode))
# sanity check that object state is still consistent...
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj, headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
def test_merge_storage_policy_index(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.put_object(headers={'x-object-meta-test': 'custom-meta'},
contents='VERIFY')
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assertTrue(
len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(self.account,
self.container_name,
self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': policy_index
})
except direct_client.ClientException as err:
continue
orig_policy_index = policy_index
break
if orig_policy_index is not None:
break
else:
self.fail('Unable to find /%s/%s/%s in %r' %
(self.account, self.container_name, self.object_name,
found_policy_indexes))
self.get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assertTrue(
len(found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' % head_responses)
expected_policy_index = found_policy_indexes.pop()
self.assertNotEqual(orig_policy_index, expected_policy_index)
# validate object placement
orig_policy_ring = POLICIES.get_object_ring(orig_policy_index,
'/etc/swift')
for node in orig_policy_ring.devs:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': orig_policy_index
})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
raise
else:
self.fail('Found /%s/%s/%s in %s' %
(self.account, self.container_name, self.object_name,
orig_policy_index))
# verify that the object data read by external client is correct
headers, data = self._get_object_patiently(expected_policy_index)
self.assertEqual('VERIFY', data)
self.assertEqual('custom-meta', headers['x-object-meta-test'])
def test_merge_storage_policy_index(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.put_object()
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assert_(len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(
self.account, self.container_name, self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index':
policy_index})
except direct_client.ClientException as err:
continue
orig_policy_index = policy_index
break
if orig_policy_index is not None:
break
else:
self.fail('Unable to find /%s/%s/%s in %r' % (
self.account, self.container_name, self.object_name,
found_policy_indexes))
get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assert_(len(found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' %
head_responses)
expected_policy_index = found_policy_indexes.pop()
self.assertNotEqual(orig_policy_index, expected_policy_index)
# validate object placement
orig_policy_ring = POLICIES.get_object_ring(orig_policy_index,
'/etc/swift')
for node in orig_policy_ring.devs:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name, headers={
'X-Backend-Storage-Policy-Index': orig_policy_index})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
raise
else:
self.fail('Found /%s/%s/%s in %s' % (
self.account, self.container_name, self.object_name,
orig_policy_index))
# use proxy to access object (bad container info might be cached...)
timeout = time.time() + TIMEOUT
while time.time() < timeout:
try:
metadata = client.head_object(self.url, self.token,
self.container_name,
self.object_name)
except ClientException as err:
if err.http_status != HTTP_NOT_FOUND:
raise
time.sleep(1)
else:
break
else:
self.fail('could not HEAD /%s/%s/%s/ from policy %s '
'after %s seconds.' % (
self.account, self.container_name, self.object_name,
expected_policy_index, TIMEOUT))
def test_metadata_sync(self):
# Create container
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy': self.policy.name,
'X-Container-Meta-A': '1',
'X-Container-Meta-B': '1',
'X-Container-Meta-C': '1'})
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes.pop()
# 2 of 3 container servers are temporarily down
for node in cnodes:
kill_server((node['ip'], node['port']),
self.ipport2server)
# Put some meta on the lone server, to make sure it's merged properly
# This will 503 (since we don't have a quorum), but we don't care (!)
try:
client.post_container(self.url, self.token, container,
headers={'X-Container-Meta-A': '2',
'X-Container-Meta-B': '2',
'X-Container-Meta-D': '2'})
except ClientException:
pass
# object updates come to only one container server
for _ in range(self.object_puts):
obj = 'object-%s' % uuid4()
client.put_object(self.url, self.token, container, obj, 'VERIFY')
# 2 container servers make comeback
for node in cnodes:
start_server((node['ip'], node['port']),
self.ipport2server)
# But, container-server which got object updates is down
kill_server((cnode['ip'], cnode['port']),
self.ipport2server)
# Metadata update will be applied to 2 container servers
# (equal to quorum)
client.post_container(self.url, self.token, container,
headers={'X-Container-Meta-B': '3',
'X-Container-Meta-E': '3'})
# container-server which got object updates makes comeback
start_server((cnode['ip'], cnode['port']),
self.ipport2server)
# other nodes have no objects
for node in cnodes:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
self.assertIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
# If container-replicator on the node which got the object updates
# runs in first, db file may be replicated by rsync to other
# containers. In that case, the db file does not information about
# metadata, so metadata should be synced before replication
Manager(['container-replicator']).once(
number=self.config_number(cnode))
expected_meta = {
'x-container-meta-a': '2',
'x-container-meta-b': '3',
'x-container-meta-c': '1',
'x-container-meta-d': '2',
'x-container-meta-e': '3',
}
# node that got the object updates now has the meta
resp_headers = direct_client.direct_head_container(
cnode, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
# other nodes still have the meta, as well as objects
for node in cnodes:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
# and after full pass on remaining nodes
for node in cnodes:
Manager(['container-replicator']).once(
number=self.config_number(node))
# ... all is right
for node in cnodes + [cnode]:
resp_headers = direct_client.direct_head_container(
node, cpart, self.account, container)
for header, value in expected_meta.items():
self.assertIn(header, resp_headers)
self.assertEqual(value, resp_headers[header])
self.assertNotIn(resp_headers.get('x-container-object-count'),
(None, '0', 0))
def test_reconcile_delete(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.put_object()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.delete_object()
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assertTrue(
len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = ts_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(
self.account, self.container_name, self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index':
policy_index})
except direct_client.ClientException as err:
if 'x-backend-timestamp' in err.http_headers:
ts_policy_index = policy_index
break
else:
orig_policy_index = policy_index
break
if not orig_policy_index:
self.fail('Unable to find /%s/%s/%s in %r' % (
self.account, self.container_name, self.object_name,
found_policy_indexes))
if not ts_policy_index:
self.fail('Unable to find tombstone /%s/%s/%s in %r' % (
self.account, self.container_name, self.object_name,
found_policy_indexes))
self.get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
new_found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for node,
metadata in head_responses)
self.assertTrue(len(new_found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' %
dict((node['port'],
metadata['X-Backend-Storage-Policy-Index'])
for node, metadata in head_responses))
expected_policy_index = new_found_policy_indexes.pop()
self.assertEqual(orig_policy_index, expected_policy_index)
# validate object fully deleted
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(
self.account, self.container_name, self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node, part, self.account, self.container_name,
self.object_name,
headers={'X-Backend-Storage-Policy-Index':
policy_index})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
else:
self.fail('Found /%s/%s/%s in %s on %s' % (
self.account, self.container_name, self.object_name,
orig_policy_index, node))
def authorize(self, req):
ret = super(ZodiacAuth, self).authorize(req)
if ret is None and req.method == "GET":
# passed swauth rules, now check zodiac rules
# split the path
# this should be safe since it was already checked against an error
# in the super call
version, account, container, obj = split_path(req.path, 1, 4, True)
# grab our acl to use
acl = self.zodiac_acl
# get the current zodiac sign for this access request
access_sign = zodiac_sign_datetime(datetime.datetime.now())
# get the client ip
client_addr = get_remote_client(req)
if container:
# there is a container so let's try to get the timestamp
container_nodes = self.app.container_ring.get_nodes(account, container)
if container_nodes:
# direct head requests return a timestamp whereas calls
# to the proxy do not. this might not be the best thing
# to do. open to suggestions.
try:
container_meta = direct_head_container(
container_nodes[1][0], container_nodes[0], account, container
)
except ClientException:
return ret
container_date = datetime.datetime.fromtimestamp(float(container_meta["x-timestamp"]))
container_sign = zodiac_sign_datetime(container_date)
# ensure the container sign has access rules
if container_sign in acl and access_sign in acl[container_sign]:
if client_addr not in acl[container_sign][access_sign]:
ret = self.denied_response(req)
else:
# sign missing from acl rules or access sign not present
ret = self.denied_response(req)
if ret is None and obj:
# we passed the container permissions and there is an
# object.
# get the object's store sign and check permissions
obj_nodes = self.app.container_ring.get_nodes(account, container, obj)
if obj_nodes:
try:
obj_meta = direct_head_object(
obj_nodes[1][0], container_nodes[0], account, container, obj
)
except ClientException:
return ret
obj_date = datetime.datetime.fromtimestamp(float(obj_meta["x-timestamp"]))
obj_sign = zodiac_sign_datetime(obj_date)
# ensure the object sign has access rules
if obj_sign in acl and access_sign in acl[obj_sign]:
if client_addr not in acl[obj_sign][access_sign]:
ret = self.denied_response(req)
else:
# object sign missing from acl rules or
# access sign not present
ret = self.denied_response(req)
return ret
def test_reconciler_move_object_twice(self):
# select some policies
old_policy = random.choice(ENABLED_POLICIES)
new_policy = random.choice([p for p in ENABLED_POLICIES
if p != old_policy])
# setup a split brain
self.brain.stop_handoff_half()
# get old_policy on two primaries
self.brain.put_container(policy_index=int(old_policy))
self.brain.start_handoff_half()
self.brain.stop_primary_half()
# force a recreate on handoffs
self.brain.put_container(policy_index=int(old_policy))
self.brain.delete_container()
self.brain.put_container(policy_index=int(new_policy))
self.brain.put_object() # populate memcache with new_policy
self.brain.start_primary_half()
# at this point two primaries have old policy
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
old_container_node_ids = [
node['id'] for node, metadata in head_responses
if int(old_policy) ==
int(metadata['X-Backend-Storage-Policy-Index'])]
self.assertEqual(2, len(old_container_node_ids))
# hopefully memcache still has the new policy cached
self.brain.put_object(headers={'x-object-meta-test': 'custom-meta'},
contents='VERIFY')
# double-check object correctly written to new policy
conf_files = []
for server in Manager(['container-reconciler']).servers:
conf_files.extend(server.conf_files())
conf_file = conf_files[0]
int_client = InternalClient(conf_file, 'probe-test', 3)
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
acceptable_statuses=(4,),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# shutdown the containers that know about the new policy
self.brain.stop_handoff_half()
# and get rows enqueued from old nodes
for server_type in ('container-replicator', 'container-updater'):
server = Manager([server_type])
tuple(server.once(number=n + 1) for n in old_container_node_ids)
# verify entry in the queue for the "misplaced" new_policy
for container in int_client.iter_containers('.misplaced_objects'):
for obj in int_client.iter_objects('.misplaced_objects',
container['name']):
expected = '%d:/%s/%s/%s' % (new_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# verify object in old_policy
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# verify object is *not* in new_policy
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
acceptable_statuses=(4,),
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
self.get_to_final_state()
# verify entry in the queue
for container in int_client.iter_containers('.misplaced_objects'):
for obj in int_client.iter_objects('.misplaced_objects',
container['name']):
expected = '%d:/%s/%s/%s' % (old_policy, self.account,
self.container_name,
self.object_name)
self.assertEqual(obj['name'], expected)
Manager(['container-reconciler']).once()
# and now it flops back
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
headers={'X-Backend-Storage-Policy-Index': int(new_policy)})
int_client.get_object_metadata(
self.account, self.container_name, self.object_name,
acceptable_statuses=(4,),
headers={'X-Backend-Storage-Policy-Index': int(old_policy)})
# make sure the queue is settled
self.get_to_final_state()
for container in int_client.iter_containers('.misplaced_objects'):
for obj in int_client.iter_objects('.misplaced_objects',
container['name']):
self.fail('Found unexpected object %r in the queue' % obj)
# verify that the object data read by external client is correct
headers, data = self._get_object_patiently(int(new_policy))
self.assertEqual('VERIFY', data)
self.assertEqual('custom-meta', headers['x-object-meta-test'])
def _verify_account_reaped(self):
for policy, container, obj in self.all_objects:
# verify that any container deletes were at same timestamp
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
# Container replicas may not yet be deleted if we have a
# policy with object replicas < container replicas, so
# ignore successful HEAD. We'll check for all replicas to
# be deleted again after running the replicators.
pass
self.assertEqual(1, len(delete_times), delete_times)
# verify that all object deletes were at same timestamp
part, nodes = policy.object_ring.get_nodes(self.account,
container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj, headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
# run replicators and updaters
self.get_to_final_state()
for policy, container, obj in self.all_objects:
# verify that ALL container replicas are now deleted
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, cnode))
self.assertEqual(1, len(delete_times))
# sanity check that object state is still consistent...
part, nodes = policy.object_ring.get_nodes(self.account,
container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node, part, self.account,
container, obj, headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
def test_sync(self):
all_objects = []
# upload some containers
for policy in ENABLED_POLICIES:
container = 'container-%s-%s' % (policy.name, uuid.uuid4())
client.put_container(self.url,
self.token,
container,
headers={'X-Storage-Policy': policy.name})
obj = 'object-%s' % uuid.uuid4()
body = 'test-body'
client.put_object(self.url, self.token, container, obj, body)
all_objects.append((policy, container, obj))
Manager(['container-updater']).once()
headers = client.head_account(self.url, self.token)
self.assertEqual(int(headers['x-account-container-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-object-count']),
len(ENABLED_POLICIES))
self.assertEqual(int(headers['x-account-bytes-used']),
len(ENABLED_POLICIES) * len(body))
part, nodes = self.account_ring.get_nodes(self.account)
for node in nodes:
direct_delete_account(node, part, self.account)
# run the reaper
Manager(['account-reaper']).once()
for policy, container, obj in all_objects:
# verify that any container deletes were at same timestamp
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEquals(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
# Container replicas may not yet be deleted if we have a
# policy with object replicas < container replicas, so
# ignore successful HEAD. We'll check for all replicas to
# be deleted again after running the replicators.
pass
self.assertEqual(1, len(delete_times), delete_times)
# verify that all object deletes were at same timestamp
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node,
part,
self.account,
container,
obj,
headers=headers)
except ClientException as err:
self.assertEquals(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
# run replicators and updaters
self.get_to_final_state()
for policy, container, obj in all_objects:
# verify that ALL container replicas are now deleted
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEquals(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, cnode))
# sanity check that object state is still consistent...
object_ring = POLICIES.get_object_ring(policy.idx, '/etc/swift/')
part, nodes = object_ring.get_nodes(self.account, container, obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node,
part,
self.account,
container,
obj,
headers=headers)
except ClientException as err:
self.assertEquals(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
def _verify_account_reaped(self):
for policy, container, obj in self.all_objects:
# verify that any container deletes were at same timestamp
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
# Container replicas may not yet be deleted if we have a
# policy with object replicas < container replicas, so
# ignore successful HEAD. We'll check for all replicas to
# be deleted again after running the replicators.
pass
self.assertEqual(1, len(delete_times), delete_times)
# verify that all object deletes were at same timestamp
part, nodes = policy.object_ring.get_nodes(self.account, container,
obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node,
part,
self.account,
container,
obj,
headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
# run replicators and updaters
self.get_to_final_state()
for policy, container, obj in self.all_objects:
# verify that ALL container replicas are now deleted
cpart, cnodes = self.container_ring.get_nodes(
self.account, container)
delete_times = set()
for cnode in cnodes:
try:
direct_head_container(cnode, cpart, self.account,
container)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get(
'X-Backend-DELETE-Timestamp')
# 'X-Backend-DELETE-Timestamp' confirms it was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s on %r' %
(self.account, container, cnode))
self.assertEqual(1, len(delete_times))
# sanity check that object state is still consistent...
part, nodes = policy.object_ring.get_nodes(self.account, container,
obj)
headers = {'X-Backend-Storage-Policy-Index': int(policy)}
delete_times = set()
for node in nodes:
try:
direct_get_object(node,
part,
self.account,
container,
obj,
headers=headers)
except ClientException as err:
self.assertEqual(err.http_status, 404)
delete_time = err.http_headers.get('X-Backend-Timestamp')
# 'X-Backend-Timestamp' confirms obj was deleted
self.assertTrue(delete_time)
delete_times.add(delete_time)
else:
self.fail('Found un-reaped /%s/%s/%s on %r in %s!' %
(self.account, container, obj, node, policy))
self.assertEqual(1, len(delete_times))
def test_reconcile_delete(self):
# generic split brain
self.brain.stop_primary_half()
self.brain.put_container()
self.brain.put_object()
self.brain.start_primary_half()
self.brain.stop_handoff_half()
self.brain.put_container()
self.brain.delete_object()
self.brain.start_handoff_half()
# make sure we have some manner of split brain
container_part, container_nodes = self.container_ring.get_nodes(
self.account, self.container_name)
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for
node, metadata in head_responses)
self.assert_(
len(found_policy_indexes) > 1,
'primary nodes did not disagree about policy index %r' %
head_responses)
# find our object
orig_policy_index = ts_policy_index = None
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(self.account,
self.container_name,
self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': policy_index
})
except direct_client.ClientException as err:
if 'x-backend-timestamp' in err.http_headers:
ts_policy_index = policy_index
break
else:
orig_policy_index = policy_index
break
if not orig_policy_index:
self.fail('Unable to find /%s/%s/%s in %r' %
(self.account, self.container_name, self.object_name,
found_policy_indexes))
if not ts_policy_index:
self.fail('Unable to find tombstone /%s/%s/%s in %r' %
(self.account, self.container_name, self.object_name,
found_policy_indexes))
get_to_final_state()
Manager(['container-reconciler']).once()
# validate containers
head_responses = []
for node in container_nodes:
metadata = direct_client.direct_head_container(
node, container_part, self.account, self.container_name)
head_responses.append((node, metadata))
new_found_policy_indexes = \
set(metadata['X-Backend-Storage-Policy-Index'] for node,
metadata in head_responses)
self.assert_(
len(new_found_policy_indexes) == 1,
'primary nodes disagree about policy index %r' % dict(
(node['port'], metadata['X-Backend-Storage-Policy-Index'])
for node, metadata in head_responses))
expected_policy_index = new_found_policy_indexes.pop()
self.assertEqual(orig_policy_index, expected_policy_index)
# validate object fully deleted
for policy_index in found_policy_indexes:
object_ring = POLICIES.get_object_ring(policy_index, '/etc/swift')
part, nodes = object_ring.get_nodes(self.account,
self.container_name,
self.object_name)
for node in nodes:
try:
direct_client.direct_head_object(
node,
part,
self.account,
self.container_name,
self.object_name,
headers={
'X-Backend-Storage-Policy-Index': policy_index
})
except direct_client.ClientException as err:
if err.http_status == HTTP_NOT_FOUND:
continue
else:
self.fail('Found /%s/%s/%s in %s on %s' %
(self.account, self.container_name,
self.object_name, orig_policy_index, node))
