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# 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.
import mock
import unittest
from eventlet import Timeout
from swift.common.swob import Request
from swift.proxy import server as proxy_server
from swift.proxy.controllers.base import headers_to_container_info
from test.unit import fake_http_connect, FakeRing, FakeMemcache
from swift.common.storage_policy import StoragePolicy
from swift.common.request_helpers import get_sys_meta_prefix
from swift.common import utils
from test.unit import patch_policies, mocked_http_conn, debug_logger
from test.unit.proxy.test_server import node_error_count
@patch_policies([StoragePolicy(0, 'zero', True, object_ring=FakeRing())])
class TestContainerController(unittest.TestCase):
def setUp(self):
# SOF
self._orig_hash_suffix = utils.HASH_PATH_SUFFIX
self._orig_hash_prefix = utils.HASH_PATH_PREFIX
utils.HASH_PATH_SUFFIX = 'endcap'
utils.HASH_PATH_PREFIX = ''
self.logger = debug_logger()
self.container_ring = FakeRing(max_more_nodes=9)
self.app = proxy_server.Application(None, FakeMemcache(),
logger=self.logger,
account_ring=FakeRing(),
container_ring=self.container_ring)
self.account_info = {
'status': 200,
'container_count': '10',
'total_object_count': '100',
'bytes': '1000',
'meta': {},
'sysmeta': {},
}
class FakeAccountInfoContainerController(
proxy_server.ContainerController):
def account_info(controller, *args, **kwargs):
patch_path = 'swift.proxy.controllers.base.get_info'
with mock.patch(patch_path) as mock_get_info:
mock_get_info.return_value = dict(self.account_info)
return super(FakeAccountInfoContainerController,
controller).account_info(
*args, **kwargs)
_orig_get_controller = self.app.get_controller
def wrapped_get_controller(*args, **kwargs):
with mock.patch('swift.proxy.server.ContainerController',
new=FakeAccountInfoContainerController):
return _orig_get_controller(*args, **kwargs)
self.app.get_controller = wrapped_get_controller
def test_container_info_in_response_env(self):
controller = proxy_server.ContainerController(self.app, 'a', 'c')
with mock.patch('swift.proxy.controllers.base.http_connect',
fake_http_connect(200, 200, body='')):
req = Request.blank('/v1/a/c', {'PATH_INFO': '/v1/a/c'})
resp = controller.HEAD(req)
self.assertEqual(2, resp.status_int // 100)
self.assertTrue("swift.container/a/c" in resp.environ)
self.assertEqual(headers_to_container_info(resp.headers),
resp.environ['swift.container/a/c'])
def test_swift_owner(self):
owner_headers = {
'x-container-read': 'value', 'x-container-write': 'value',
'x-container-sync-key': 'value', 'x-container-sync-to': 'value'}
controller = proxy_server.ContainerController(self.app, 'a', 'c')
req = Request.blank('/v1/a/c')
with mock.patch('swift.proxy.controllers.base.http_connect',
fake_http_connect(200, 200, headers=owner_headers)):
resp = controller.HEAD(req)
self.assertEquals(2, resp.status_int // 100)
for key in owner_headers:
self.assertTrue(key not in resp.headers)
req = Request.blank('/v1/a/c', environ={'swift_owner': True})
with mock.patch('swift.proxy.controllers.base.http_connect',
fake_http_connect(200, 200, headers=owner_headers)):
resp = controller.HEAD(req)
self.assertEquals(2, resp.status_int // 100)
for key in owner_headers:
self.assertTrue(key in resp.headers)
def _make_callback_func(self, context):
def callback(ipaddr, port, device, partition, method, path,
headers=None, query_string=None, ssl=False):
context['method'] = method
context['path'] = path
context['headers'] = headers or {}
return callback
def test_sys_meta_headers_PUT(self):
# check that headers in sys meta namespace make it through
# the container controller
sys_meta_key = '%stest' % get_sys_meta_prefix('container')
sys_meta_key = sys_meta_key.title()
user_meta_key = 'X-Container-Meta-Test'
controller = proxy_server.ContainerController(self.app, 'a', 'c')
context = {}
callback = self._make_callback_func(context)
hdrs_in = {sys_meta_key: 'foo',
user_meta_key: 'bar',
'x-timestamp': '1.0'}
req = Request.blank('/v1/a/c', headers=hdrs_in)
with mock.patch('swift.proxy.controllers.base.http_connect',
fake_http_connect(200, 200, give_connect=callback)):
controller.PUT(req)
self.assertEqual(context['method'], 'PUT')
self.assertTrue(sys_meta_key in context['headers'])
self.assertEqual(context['headers'][sys_meta_key], 'foo')
self.assertTrue(user_meta_key in context['headers'])
self.assertEqual(context['headers'][user_meta_key], 'bar')
self.assertNotEqual(context['headers']['x-timestamp'], '1.0')
def test_sys_meta_headers_POST(self):
# check that headers in sys meta namespace make it through
# the container controller
sys_meta_key = '%stest' % get_sys_meta_prefix('container')
sys_meta_key = sys_meta_key.title()
user_meta_key = 'X-Container-Meta-Test'
controller = proxy_server.ContainerController(self.app, 'a', 'c')
context = {}
callback = self._make_callback_func(context)
hdrs_in = {sys_meta_key: 'foo',
user_meta_key: 'bar',
'x-timestamp': '1.0'}
req = Request.blank('/v1/a/c', headers=hdrs_in)
with mock.patch('swift.proxy.controllers.base.http_connect',
fake_http_connect(200, 200, give_connect=callback)):
controller.POST(req)
self.assertEqual(context['method'], 'POST')
self.assertTrue(sys_meta_key in context['headers'])
self.assertEqual(context['headers'][sys_meta_key], 'foo')
self.assertTrue(user_meta_key in context['headers'])
self.assertEqual(context['headers'][user_meta_key], 'bar')
self.assertNotEqual(context['headers']['x-timestamp'], '1.0')
def test_node_errors(self):
self.app.sort_nodes = lambda n: n
for method in ('PUT', 'DELETE', 'POST'):
def test_status_map(statuses, expected):
self.app._error_limiting = {}
req = Request.blank('/v1/a/c', method=method)
with mocked_http_conn(*statuses) as fake_conn:
print 'a' * 50
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, expected)
for req in fake_conn.requests:
self.assertEqual(req['method'], method)
self.assert_(req['path'].endswith('/a/c'))
base_status = [201] * 3
# test happy path
test_status_map(list(base_status), 201)
for i in range(3):
self.assertEqual(node_error_count(
self.app, self.container_ring.devs[i]), 0)
# single node errors and test isolation
for i in range(3):
status_list = list(base_status)
status_list[i] = 503
status_list.append(201)
test_status_map(status_list, 201)
for j in range(3):
expected = 1 if j == i else 0
self.assertEqual(node_error_count(
self.app, self.container_ring.devs[j]), expected)
# timeout
test_status_map((201, Timeout(), 201, 201), 201)
self.assertEqual(node_error_count(
self.app, self.container_ring.devs[1]), 1)
# exception
test_status_map((Exception('kaboom!'), 201, 201, 201), 201)
self.assertEqual(node_error_count(
self.app, self.container_ring.devs[0]), 1)
# insufficient storage
test_status_map((201, 201, 507, 201), 201)
self.assertEqual(node_error_count(
self.app, self.container_ring.devs[2]),
self.app.error_suppression_limit + 1)
if __name__ == '__main__':
unittest.main()
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