#!/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 unittest
from contextlib import contextmanager
import mock
import swift
from swift.proxy import server as proxy_server
from swift.common.swob import HTTPException
from test.unit import FakeRing, FakeMemcache, fake_http_connect, debug_logger
@contextmanager
def set_http_connect(*args, **kwargs):
old_connect = swift.proxy.controllers.base.http_connect
new_connect = fake_http_connect(*args, **kwargs)
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
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 TestObjControllerWriteAffinity(unittest.TestCase):
def setUp(self):
self.app = proxy_server.Application(
None, FakeMemcache(), account_ring=FakeRing(),
container_ring=FakeRing(), object_ring=FakeRing(max_more_nodes=9))
self.app.request_node_count = lambda replicas: 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
all_nodes = self.app.object_ring.get_part_nodes(1)
all_nodes.extend(self.app.object_ring.get_more_nodes(1))
local_first_nodes = list(controller.iter_nodes_local_first(
self.app.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
all_nodes = self.app.object_ring.get_part_nodes(1)
all_nodes.extend(self.app.object_ring.get_more_nodes(1))
local_first_nodes = list(controller.iter_nodes_local_first(
self.app.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(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(200, slow_connect=True):
nodes = [dict(ip='', port='', device='')]
res = controller._connect_put_node(nodes, '', '', {}, ('', ''))
self.assertTrue(res is None)
class TestObjController(unittest.TestCase):
def setUp(self):
logger = debug_logger('proxy-server')
logger.thread_locals = ('txn1', '127.0.0.2')
self.app = proxy_server.Application(
None, FakeMemcache(), account_ring=FakeRing(),
container_ring=FakeRing(), object_ring=FakeRing(),
logger=logger)
self.controller = proxy_server.ObjectController(self.app,
'a', 'c', 'o')
self.controller.container_info = mock.MagicMock(return_value={
'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,
'sync_key': None,
'versions': None})
def test_PUT_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
req.headers['content-length'] = '0'
with set_http_connect(201, 201, 201):
resp = self.controller.PUT(req)
self.assertEquals(resp.status_int, 201)
def test_PUT_if_none_match(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
req.headers['if-none-match'] = '*'
req.headers['content-length'] = '0'
with set_http_connect(201, 201, 201):
resp = self.controller.PUT(req)
self.assertEquals(resp.status_int, 201)
def test_PUT_if_none_match_denied(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
req.headers['if-none-match'] = '*'
req.headers['content-length'] = '0'
with set_http_connect(201, (412, 412), 201):
resp = self.controller.PUT(req)
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')
req.headers['if-none-match'] = 'somethingelse'
req.headers['content-length'] = '0'
with set_http_connect(201, 201, 201):
resp = self.controller.PUT(req)
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 = self.controller.GET(req)
self.assertEquals(resp.status_int, 200)
def test_DELETE_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(204, 204, 204):
resp = self.controller.DELETE(req)
self.assertEquals(resp.status_int, 204)
def test_POST_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(200, 200, 200, 201, 201, 201):
resp = self.controller.POST(req)
self.assertEquals(resp.status_int, 202)
def test_COPY_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(200, 200, 200, 201, 201, 201):
resp = self.controller.POST(req)
self.assertEquals(resp.status_int, 202)
def test_HEAD_simple(self):
req = swift.common.swob.Request.blank('/v1/a/c/o')
with set_http_connect(200, 200, 200, 201, 201, 201):
resp = self.controller.POST(req)
self.assertEquals(resp.status_int, 202)
def test_PUT_log_info(self):
# mock out enough to get to the area of the code we want to test
with mock.patch('swift.proxy.controllers.obj.check_object_creation',
mock.MagicMock(return_value=None)):
req = swift.common.swob.Request.blank('/v1/a/c/o')
req.headers['x-copy-from'] = 'somewhere'
try:
self.controller.PUT(req)
except HTTPException:
pass
self.assertEquals(
req.environ.get('swift.log_info'), ['x-copy-from:somewhere'])
# 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'] = 'elsewhere'
try:
self.controller.PUT(req)
except HTTPException:
pass
self.assertEquals(req.environ.get('swift.log_info'), None)
if __name__ == '__main__':
unittest.main()