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swift
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swift/test/unit/proxy/controllers/test_obj.py

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#!/usr/bin/env python
# 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 itertools
import time
import unittest
from contextlib import contextmanager
import mock
import swift
from swift.common import utils, swob
from swift.proxy import server as proxy_server
from swift.common.storage_policy import StoragePolicy, POLICIES
from test.unit import FakeRing, FakeMemcache, fake_http_connect, \
debug_logger, patch_policies
@contextmanager
def set_http_connect(*args, **kwargs):
old_connect = swift.proxy.controllers.base.http_connect
new_connect = fake_http_connect(*args, **kwargs)
try:
swift.proxy.controllers.base.http_connect = new_connect
swift.proxy.controllers.obj.http_connect = new_connect
swift.proxy.controllers.account.http_connect = new_connect
swift.proxy.controllers.container.http_connect = new_connect
yield new_connect
left_over_status = list(new_connect.code_iter)
if left_over_status:
raise AssertionError('left over status %r' % left_over_status)
finally:
swift.proxy.controllers.base.http_connect = old_connect
swift.proxy.controllers.obj.http_connect = old_connect
swift.proxy.controllers.account.http_connect = old_connect
swift.proxy.controllers.container.http_connect = old_connect
class PatchedObjControllerApp(proxy_server.Application):
object_controller = proxy_server.ObjectController
def handle_request(self, req):
with mock.patch('swift.proxy.server.ObjectController',
new=self.object_controller):
return super(PatchedObjControllerApp, self).handle_request(req)
@patch_policies([StoragePolicy(0, 'zero', True,
object_ring=FakeRing(max_more_nodes=9))])
class TestObjControllerWriteAffinity(unittest.TestCase):
def setUp(self):
self.app = proxy_server.Application(
None, FakeMemcache(), account_ring=FakeRing(),
container_ring=FakeRing(), logger=debug_logger())
self.app.request_node_count = lambda ring: 10000000
self.app.sort_nodes = lambda l: l # stop shuffling the primary nodes
def test_iter_nodes_local_first_noops_when_no_affinity(self):
controller = proxy_server.ObjectController(self.app, 'a', 'c', 'o')
self.app.write_affinity_is_local_fn = None
object_ring = self.app.get_object_ring(None)
all_nodes = object_ring.get_part_nodes(1)
all_nodes.extend(object_ring.get_more_nodes(1))
local_first_nodes = list(controller.iter_nodes_local_first(
object_ring, 1))
self.maxDiff = None
self.assertEqual(all_nodes, local_first_nodes)
def test_iter_nodes_local_first_moves_locals_first(self):
controller = proxy_server.ObjectController(self.app, 'a', 'c', 'o')
self.app.write_affinity_is_local_fn = (
lambda node: node['region'] == 1)
self.app.write_affinity_node_count = lambda ring: 4
object_ring = self.app.get_object_ring(None)
all_nodes = object_ring.get_part_nodes(1)
all_nodes.extend(object_ring.get_more_nodes(1))
local_first_nodes = list(controller.iter_nodes_local_first(
object_ring, 1))
# the local nodes move up in the ordering
self.assertEqual([1, 1, 1, 1],
[node['region'] for node in local_first_nodes[:4]])
# we don't skip any nodes
self.assertEqual(len(all_nodes), len(local_first_nodes))
self.assertEqual(sorted(all_nodes), sorted(local_first_nodes))
def test_connect_put_node_timeout(self):
controller = proxy_server.ObjectController(self.app, 'a', 'c', 'o')
self.app.conn_timeout = 0.05
with set_http_connect(slow_connect=True):
nodes = [dict(ip='', port='', device='')]
res = controller._connect_put_node(nodes, '', '', {}, ('', ''))
self.assertTrue(res is None)
@patch_policies([
StoragePolicy(0, 'zero', True),
StoragePolicy(1, 'one'),
StoragePolicy(2, 'two'),
])
class TestObjController(unittest.TestCase):
container_info = {
'partition': 1,
'nodes': [
{'ip': '127.0.0.1', 'port': '1', 'device': 'sda'},
{'ip': '127.0.0.1', 'port': '2', 'device': 'sda'},
{'ip': '127.0.0.1', 'port': '3', 'device': 'sda'},
],
'write_acl': None,
'read_acl': None,
'storage_policy': None,
'sync_key': None,
'versions': None,
}
def setUp(self):
# setup fake rings with handoffs
self.obj_ring = FakeRing(max_more_nodes=3)
for policy in POLICIES:
policy.object_ring = self.obj_ring
logger = debug_logger('proxy-server')
logger.thread_locals = ('txn1', '127.0.0.2')
self.app = PatchedObjControllerApp(
None, FakeMemcache(), account_ring=FakeRing(),
container_ring=FakeRing(), logger=logger)
class FakeContainerInfoObjController(proxy_server.ObjectController):
def container_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.container_info)
return super(FakeContainerInfoObjController,
controller).container_info(*args, **kwargs)
self.app.object_controller = FakeContainerInfoObjController
def test_PUT_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='PUT')
req.headers['content-length'] = '0'
with set_http_connect(201, 201, 201):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 201)
def test_PUT_if_none_match(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='PUT')
req.headers['if-none-match'] = '*'
req.headers['content-length'] = '0'
with set_http_connect(201, 201, 201):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 201)
def test_PUT_if_none_match_denied(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='PUT')
req.headers['if-none-match'] = '*'
req.headers['content-length'] = '0'
with set_http_connect(201, 412, 201):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 412)
def test_PUT_if_none_match_not_star(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='PUT')
req.headers['if-none-match'] = 'somethingelse'
req.headers['content-length'] = '0'
with set_http_connect():
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 400)
def test_GET_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(200):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 200)
def test_GET_error(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(503, 200):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 200)
def test_GET_handoff(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
codes = [503] * self.obj_ring.replicas + [200]
with set_http_connect(*codes):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 200)
def test_GET_not_found(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
codes = [404] * (self.obj_ring.replicas +
self.obj_ring.max_more_nodes)
with set_http_connect(*codes):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 404)
def test_DELETE_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='DELETE')
with set_http_connect(204, 204, 204):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 204)
def test_DELETE_missing_one(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='DELETE')
with set_http_connect(404, 204, 204):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 204)
def test_DELETE_not_found(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='DELETE')
with set_http_connect(404, 404, 204):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 404)
def test_DELETE_handoff(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='DELETE')
codes = [204] * self.obj_ring.replicas
with set_http_connect(507, *codes):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 204)
def test_POST_as_COPY_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='POST')
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 202)
def test_container_sync_put_x_timestamp_not_found(self):
test_indexes = [None] + [int(p) for p in POLICIES]
for policy_index in test_indexes:
self.container_info['storage_policy'] = policy_index
put_timestamp = utils.Timestamp(time.time()).normal
req = swob.Request.blank(
'/v1/a/c/o', method='PUT', headers={
'Content-Length': 0,
'X-Timestamp': put_timestamp})
ts_iter = itertools.repeat(put_timestamp)
head_resp = [404] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes, timestamps=ts_iter):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 201)
def test_container_sync_put_x_timestamp_match(self):
test_indexes = [None] + [int(p) for p in POLICIES]
for policy_index in test_indexes:
self.container_info['storage_policy'] = policy_index
put_timestamp = utils.Timestamp(time.time()).normal
req = swob.Request.blank(
'/v1/a/c/o', method='PUT', headers={
'Content-Length': 0,
'X-Timestamp': put_timestamp})
ts_iter = itertools.repeat(put_timestamp)
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
codes = head_resp
with set_http_connect(*codes, timestamps=ts_iter):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 202)
def test_container_sync_put_x_timestamp_older(self):
ts = (utils.Timestamp(t) for t in itertools.count(int(time.time())))
test_indexes = [None] + [int(p) for p in POLICIES]
for policy_index in test_indexes:
self.container_info['storage_policy'] = policy_index
req = swob.Request.blank(
'/v1/a/c/o', method='PUT', headers={
'Content-Length': 0,
'X-Timestamp': ts.next().internal})
ts_iter = itertools.repeat(ts.next().internal)
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
codes = head_resp
with set_http_connect(*codes, timestamps=ts_iter):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 202)
def test_container_sync_put_x_timestamp_newer(self):
ts = (utils.Timestamp(t) for t in itertools.count(int(time.time())))
test_indexes = [None] + [int(p) for p in POLICIES]
for policy_index in test_indexes:
orig_timestamp = ts.next().internal
req = swob.Request.blank(
'/v1/a/c/o', method='PUT', headers={
'Content-Length': 0,
'X-Timestamp': ts.next().internal})
ts_iter = itertools.repeat(orig_timestamp)
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes, timestamps=ts_iter):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 201)
def test_container_sync_delete(self):
ts = (utils.Timestamp(t) for t in itertools.count(int(time.time())))
test_indexes = [None] + [int(p) for p in POLICIES]
for policy_index in test_indexes:
req = swob.Request.blank(
'/v1/a/c/o', method='DELETE', headers={
'X-Timestamp': ts.next().internal})
codes = [409] * self.obj_ring.replicas
ts_iter = itertools.repeat(ts.next().internal)
with set_http_connect(*codes, timestamps=ts_iter):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 409)
def test_put_x_timestamp_conflict(self):
ts = (utils.Timestamp(t) for t in itertools.count(int(time.time())))
req = swob.Request.blank(
'/v1/a/c/o', method='PUT', headers={
'Content-Length': 0,
'X-Timestamp': ts.next().internal})
head_resp = [404] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [409] + [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 201)
def test_COPY_simple(self):
req = swift.common.swob.Request.blank(
'/v1/a/c/o', method='COPY',
headers={'Content-Length': 0,
'Destination': 'c/o-copy'})
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 201)
def test_HEAD_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='HEAD')
with set_http_connect(200):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 200)
def test_HEAD_x_newest(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='HEAD',
headers={'X-Newest': 'true'})
with set_http_connect(200, 200, 200):
resp = req.get_response(self.app)
self.assertEquals(resp.status_int, 200)
def test_PUT_log_info(self):
req = swift.common.swob.Request.blank('/v1/a/c/o', method='PUT')
req.headers['x-copy-from'] = 'some/where'
req.headers['Content-Length'] = 0
# override FakeConn default resp headers to keep log_info clean
resp_headers = {'x-delete-at': None}
head_resp = [200] * self.obj_ring.replicas + \
[404] * self.obj_ring.max_more_nodes
put_resp = [201] * self.obj_ring.replicas
codes = head_resp + put_resp
with set_http_connect(*codes, headers=resp_headers):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 201)
self.assertEquals(
req.environ.get('swift.log_info'), ['x-copy-from:some/where'])
# and then check that we don't do that for originating POSTs
req = swift.common.swob.Request.blank('/v1/a/c/o')
req.method = 'POST'
req.headers['x-copy-from'] = 'else/where'
with set_http_connect(*codes, headers=resp_headers):
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 202)
self.assertEquals(req.environ.get('swift.log_info'), None)
@patch_policies([
StoragePolicy(0, 'zero', True),
StoragePolicy(1, 'one'),
StoragePolicy(2, 'two'),
])
class TestObjControllerLegacyCache(TestObjController):
"""
This test pretends like memcache returned a stored value that should
resemble whatever "old" format. It catches KeyErrors you'd get if your
code was expecting some new format during a rolling upgrade.
"""
container_info = {
'read_acl': None,
'write_acl': None,
'sync_key': None,
'versions': None,
}
if __name__ == '__main__':
unittest.main()
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