#!/usr/bin/python -u
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from time import sleep
import uuid
import unittest
from swiftclient import client
from swift.account import reaper
from swift.common import utils
from swift.common.manager import Manager
from swift.common.direct_client import direct_delete_account, \
direct_get_object, direct_head_container, ClientException
from test.probe.common import ReplProbeTest, ENABLED_POLICIES
class TestAccountReaper(ReplProbeTest):
def setUp(self):
super(TestAccountReaper, self).setUp()
self.all_objects = []
# upload some containers
body = 'test-body'
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()
client.put_object(self.url, self.token, container, obj, body)
self.all_objects.append((policy, container, obj))
policy.load_ring('/etc/swift')
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)
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_reap(self):
# run the reaper
Manager(['account-reaper']).once()
self._verify_account_reaped()
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()
if __name__ == "__main__":
unittest.main()