OpenStack Storage (Swift)
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#!/usr/bin/python -u
# Copyright (c) 2010-2012 OpenStack Foundation
#
# 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 os import listdir, unlink
from os.path import join as path_join
from unittest import main, TestCase
from uuid import uuid4
from swiftclient import client
from swift.common import direct_client
from swift.common.utils import hash_path, readconf
from swift.obj.diskfile import write_metadata, read_metadata
from test.probe.common import kill_servers, reset_environment
def get_data_file_path(obj_dir):
files = sorted(listdir(obj_dir), reverse=True)
for filename in files:
return path_join(obj_dir, filename)
class TestObjectFailures(TestCase):
def setUp(self):
(self.pids, self.port2server, self.account_ring, self.container_ring,
self.object_ring, self.url, self.token,
self.account, self.configs) = reset_environment()
def tearDown(self):
kill_servers(self.port2server, self.pids)
def _setup_data_file(self, container, obj, data):
client.put_container(self.url, self.token, container)
client.put_object(self.url, self.token, container, obj, data)
odata = client.get_object(self.url, self.token, container, obj)[-1]
self.assertEquals(odata, data)
opart, onodes = self.object_ring.get_nodes(
self.account, container, obj)
onode = onodes[0]
node_id = (onode['port'] - 6000) / 10
device = onode['device']
hash_str = hash_path(self.account, container, obj)
obj_server_conf = readconf(self.configs['object'] % node_id)
devices = obj_server_conf['app:object-server']['devices']
obj_dir = '%s/%s/objects/%s/%s/%s/' % (devices,
device, opart,
hash_str[-3:], hash_str)
data_file = get_data_file_path(obj_dir)
return onode, opart, data_file
def run_quarantine(self):
container = 'container-%s' % uuid4()
obj = 'object-%s' % uuid4()
onode, opart, data_file = self._setup_data_file(container, obj,
'VERIFY')
with open(data_file) as fpointer:
metadata = read_metadata(fpointer)
metadata['ETag'] = 'badetag'
with open(data_file) as fpointer:
write_metadata(fpointer, metadata)
odata = direct_client.direct_get_object(
onode, opart, self.account, container, obj)[-1]
self.assertEquals(odata, 'VERIFY')
try:
direct_client.direct_get_object(onode, opart, self.account,
container, obj)
raise Exception("Did not quarantine object")
except client.ClientException as err:
self.assertEquals(err.http_status, 404)
def run_quarantine_range_etag(self):
container = 'container-range-%s' % uuid4()
obj = 'object-range-%s' % uuid4()
onode, opart, data_file = self._setup_data_file(container, obj,
'RANGE')
with open(data_file) as fpointer:
metadata = read_metadata(fpointer)
metadata['ETag'] = 'badetag'
with open(data_file) as fpointer:
write_metadata(fpointer, metadata)
for header, result in [({'Range': 'bytes=0-2'}, 'RAN'),
({'Range': 'bytes=1-11'}, 'ANGE'),
({'Range': 'bytes=0-11'}, 'RANGE')]:
odata = direct_client.direct_get_object(
onode, opart, self.account, container, obj, headers=header)[-1]
self.assertEquals(odata, result)
try:
direct_client.direct_get_object(onode, opart, self.account,
container, obj)
raise Exception("Did not quarantine object")
except client.ClientException as err:
self.assertEquals(err.http_status, 404)
def run_quarantine_zero_byte_get(self):
container = 'container-zbyte-%s' % uuid4()
obj = 'object-zbyte-%s' % uuid4()
onode, opart, data_file = self._setup_data_file(container, obj, 'DATA')
with open(data_file) as fpointer:
metadata = read_metadata(fpointer)
unlink(data_file)
with open(data_file, 'w') as fpointer:
write_metadata(fpointer, metadata)
try:
direct_client.direct_get_object(onode, opart, self.account,
container, obj, conn_timeout=1,
response_timeout=1)
raise Exception("Did not quarantine object")
except client.ClientException as err:
self.assertEquals(err.http_status, 404)
def run_quarantine_zero_byte_head(self):
container = 'container-zbyte-%s' % uuid4()
obj = 'object-zbyte-%s' % uuid4()
onode, opart, data_file = self._setup_data_file(container, obj, 'DATA')
with open(data_file) as fpointer:
metadata = read_metadata(fpointer)
unlink(data_file)
with open(data_file, 'w') as fpointer:
write_metadata(fpointer, metadata)
try:
direct_client.direct_head_object(onode, opart, self.account,
container, obj, conn_timeout=1,
response_timeout=1)
raise Exception("Did not quarantine object")
except client.ClientException as err:
self.assertEquals(err.http_status, 404)
def run_quarantine_zero_byte_post(self):
container = 'container-zbyte-%s' % uuid4()
obj = 'object-zbyte-%s' % uuid4()
onode, opart, data_file = self._setup_data_file(container, obj, 'DATA')
with open(data_file) as fpointer:
metadata = read_metadata(fpointer)
unlink(data_file)
with open(data_file, 'w') as fpointer:
write_metadata(fpointer, metadata)
try:
direct_client.direct_post_object(
onode, opart, self.account,
container, obj,
{'X-Object-Meta-1': 'One', 'X-Object-Meta-Two': 'Two'},
conn_timeout=1,
response_timeout=1)
raise Exception("Did not quarantine object")
except client.ClientException as err:
self.assertEquals(err.http_status, 404)
def test_runner(self):
self.run_quarantine()
self.run_quarantine_range_etag()
self.run_quarantine_zero_byte_get()
self.run_quarantine_zero_byte_head()
self.run_quarantine_zero_byte_post()
if __name__ == '__main__':
main()