# Copyright (c) 2010-2016 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. """ Provides helper functions for unit tests. This cannot be in test/unit/__init__.py because that module is imported by the py34 unit test job and there are imports here that end up importing modules that are not yet ported to py34, such wsgi.py which import mimetools. """ import os from contextlib import closing from gzip import GzipFile from tempfile import mkdtemp import time from eventlet import listen, spawn, wsgi import mock from shutil import rmtree import six.moves.cPickle as pickle import swift from swift.account import server as account_server from swift.common import storage_policy from swift.common.ring import RingData from swift.common.storage_policy import StoragePolicy, ECStoragePolicy from swift.common.middleware import proxy_logging from swift.common import utils from swift.common.utils import mkdirs, normalize_timestamp, NullLogger from swift.container import server as container_server from swift.obj import server as object_server from swift.proxy import server as proxy_server import swift.proxy.controllers.obj from test.unit import write_fake_ring, DEFAULT_TEST_EC_TYPE, debug_logger, \ connect_tcp, readuntil2crlfs def setup_servers(the_object_server=object_server, extra_conf=None): """ Setup proxy, account, container and object servers using a set of fake rings and policies. :param the_object_server: The object server module to use (optional, defaults to swift.obj.server) :param extra_conf: A dict of config options that will update the basic config passed to all server instances. :returns: A dict containing the following entries: orig_POLICIES: the value of storage_policy.POLICIES prior to it being patched with fake policies orig_SysLogHandler: the value of utils.SysLogHandler prior to it being patched testdir: root directory used for test files test_POLICIES: a StoragePolicyCollection of fake policies test_servers: a tuple of test server instances test_sockets: a tuple of sockets used by test servers test_coros: a tuple of greenthreads in which test servers are running """ context = { "orig_POLICIES": storage_policy._POLICIES, "orig_SysLogHandler": utils.SysLogHandler} utils.HASH_PATH_SUFFIX = 'endcap' utils.SysLogHandler = mock.MagicMock() # Since we're starting up a lot here, we're going to test more than # just chunked puts; we're also going to test parts of # proxy_server.Application we couldn't get to easily otherwise. context["testdir"] = _testdir = \ os.path.join(mkdtemp(), 'tmp_test_proxy_server_chunked') mkdirs(_testdir) rmtree(_testdir) for drive in ('sda1', 'sdb1', 'sdc1', 'sdd1', 'sde1', 'sdf1', 'sdg1', 'sdh1', 'sdi1', 'sdj1', 'sdk1', 'sdl1'): mkdirs(os.path.join(_testdir, drive, 'tmp')) conf = {'devices': _testdir, 'swift_dir': _testdir, 'mount_check': 'false', 'allowed_headers': 'content-encoding, x-object-manifest, content-disposition, foo', 'allow_versions': 't'} if extra_conf: conf.update(extra_conf) prolis = listen(('localhost', 0)) acc1lis = listen(('localhost', 0)) acc2lis = listen(('localhost', 0)) con1lis = listen(('localhost', 0)) con2lis = listen(('localhost', 0)) obj1lis = listen(('localhost', 0)) obj2lis = listen(('localhost', 0)) obj3lis = listen(('localhost', 0)) obj4lis = listen(('localhost', 0)) obj5lis = listen(('localhost', 0)) obj6lis = listen(('localhost', 0)) objsocks = [obj1lis, obj2lis, obj3lis, obj4lis, obj5lis, obj6lis] context["test_sockets"] = \ (prolis, acc1lis, acc2lis, con1lis, con2lis, obj1lis, obj2lis, obj3lis, obj4lis, obj5lis, obj6lis) account_ring_path = os.path.join(_testdir, 'account.ring.gz') account_devs = [ {'port': acc1lis.getsockname()[1]}, {'port': acc2lis.getsockname()[1]}, ] write_fake_ring(account_ring_path, *account_devs) container_ring_path = os.path.join(_testdir, 'container.ring.gz') container_devs = [ {'port': con1lis.getsockname()[1]}, {'port': con2lis.getsockname()[1]}, ] write_fake_ring(container_ring_path, *container_devs) storage_policy._POLICIES = storage_policy.StoragePolicyCollection([ StoragePolicy(0, 'zero', True), StoragePolicy(1, 'one', False), StoragePolicy(2, 'two', False), ECStoragePolicy(3, 'ec', ec_type=DEFAULT_TEST_EC_TYPE, ec_ndata=2, ec_nparity=1, ec_segment_size=4096), ECStoragePolicy(4, 'ec-dup', ec_type=DEFAULT_TEST_EC_TYPE, ec_ndata=2, ec_nparity=1, ec_segment_size=4096, ec_duplication_factor=2)]) obj_rings = { 0: ('sda1', 'sdb1'), 1: ('sdc1', 'sdd1'), 2: ('sde1', 'sdf1'), # sdg1, sdh1, sdi1 taken by policy 3 (see below) } for policy_index, devices in obj_rings.items(): policy = storage_policy.POLICIES[policy_index] obj_ring_path = os.path.join(_testdir, policy.ring_name + '.ring.gz') obj_devs = [ {'port': objsock.getsockname()[1], 'device': dev} for objsock, dev in zip(objsocks, devices)] write_fake_ring(obj_ring_path, *obj_devs) # write_fake_ring can't handle a 3-element ring, and the EC policy needs # at least 6 devs to work with (ec_k=2, ec_m=1, duplication_fuctor=2), # so we do it manually devs = [{'id': 0, 'zone': 0, 'device': 'sdg1', 'ip': '127.0.0.1', 'port': obj1lis.getsockname()[1]}, {'id': 1, 'zone': 0, 'device': 'sdh1', 'ip': '127.0.0.1', 'port': obj2lis.getsockname()[1]}, {'id': 2, 'zone': 0, 'device': 'sdi1', 'ip': '127.0.0.1', 'port': obj3lis.getsockname()[1]}, {'id': 3, 'zone': 0, 'device': 'sdj1', 'ip': '127.0.0.1', 'port': obj4lis.getsockname()[1]}, {'id': 4, 'zone': 0, 'device': 'sdk1', 'ip': '127.0.0.1', 'port': obj5lis.getsockname()[1]}, {'id': 5, 'zone': 0, 'device': 'sdl1', 'ip': '127.0.0.1', 'port': obj6lis.getsockname()[1]}] pol3_replica2part2dev_id = [[0, 1, 2, 0], [1, 2, 0, 1], [2, 0, 1, 2]] pol4_replica2part2dev_id = [[0, 1, 2, 3], [1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 0], [4, 5, 0, 1], [5, 0, 1, 2]] obj3_ring_path = os.path.join( _testdir, storage_policy.POLICIES[3].ring_name + '.ring.gz') part_shift = 30 with closing(GzipFile(obj3_ring_path, 'wb')) as fh: pickle.dump(RingData(pol3_replica2part2dev_id, devs, part_shift), fh) obj4_ring_path = os.path.join( _testdir, storage_policy.POLICIES[4].ring_name + '.ring.gz') part_shift = 30 with closing(GzipFile(obj4_ring_path, 'wb')) as fh: pickle.dump(RingData(pol4_replica2part2dev_id, devs, part_shift), fh) prosrv = proxy_server.Application(conf, logger=debug_logger('proxy')) for policy in storage_policy.POLICIES: # make sure all the rings are loaded prosrv.get_object_ring(policy.idx) # don't lose this one! context["test_POLICIES"] = storage_policy._POLICIES acc1srv = account_server.AccountController( conf, logger=debug_logger('acct1')) acc2srv = account_server.AccountController( conf, logger=debug_logger('acct2')) con1srv = container_server.ContainerController( conf, logger=debug_logger('cont1')) con2srv = container_server.ContainerController( conf, logger=debug_logger('cont2')) obj1srv = the_object_server.ObjectController( conf, logger=debug_logger('obj1')) obj2srv = the_object_server.ObjectController( conf, logger=debug_logger('obj2')) obj3srv = the_object_server.ObjectController( conf, logger=debug_logger('obj3')) obj4srv = the_object_server.ObjectController( conf, logger=debug_logger('obj4')) obj5srv = the_object_server.ObjectController( conf, logger=debug_logger('obj5')) obj6srv = the_object_server.ObjectController( conf, logger=debug_logger('obj6')) context["test_servers"] = \ (prosrv, acc1srv, acc2srv, con1srv, con2srv, obj1srv, obj2srv, obj3srv, obj4srv, obj5srv, obj6srv) nl = NullLogger() logging_prosv = proxy_logging.ProxyLoggingMiddleware(prosrv, conf, logger=prosrv.logger) prospa = spawn(wsgi.server, prolis, logging_prosv, nl) acc1spa = spawn(wsgi.server, acc1lis, acc1srv, nl) acc2spa = spawn(wsgi.server, acc2lis, acc2srv, nl) con1spa = spawn(wsgi.server, con1lis, con1srv, nl) con2spa = spawn(wsgi.server, con2lis, con2srv, nl) obj1spa = spawn(wsgi.server, obj1lis, obj1srv, nl) obj2spa = spawn(wsgi.server, obj2lis, obj2srv, nl) obj3spa = spawn(wsgi.server, obj3lis, obj3srv, nl) obj4spa = spawn(wsgi.server, obj4lis, obj4srv, nl) obj5spa = spawn(wsgi.server, obj5lis, obj5srv, nl) obj6spa = spawn(wsgi.server, obj6lis, obj6srv, nl) context["test_coros"] = \ (prospa, acc1spa, acc2spa, con1spa, con2spa, obj1spa, obj2spa, obj3spa, obj4spa, obj5spa, obj6spa) # Create account ts = normalize_timestamp(time.time()) partition, nodes = prosrv.account_ring.get_nodes('a') for node in nodes: conn = swift.proxy.controllers.obj.http_connect(node['ip'], node['port'], node['device'], partition, 'PUT', '/a', {'X-Timestamp': ts, 'x-trans-id': 'test'}) resp = conn.getresponse() assert(resp.status == 201) # Create another account # used for account-to-account tests ts = normalize_timestamp(time.time()) partition, nodes = prosrv.account_ring.get_nodes('a1') for node in nodes: conn = swift.proxy.controllers.obj.http_connect(node['ip'], node['port'], node['device'], partition, 'PUT', '/a1', {'X-Timestamp': ts, 'x-trans-id': 'test'}) resp = conn.getresponse() assert(resp.status == 201) # Create containers, 1 per test policy sock = connect_tcp(('localhost', prolis.getsockname()[1])) fd = sock.makefile() fd.write('PUT /v1/a/c HTTP/1.1\r\nHost: localhost\r\n' 'Connection: close\r\nX-Auth-Token: t\r\n' 'Content-Length: 0\r\n\r\n') fd.flush() headers = readuntil2crlfs(fd) exp = 'HTTP/1.1 201' assert headers[:len(exp)] == exp, "Expected '%s', encountered '%s'" % ( exp, headers[:len(exp)]) # Create container in other account # used for account-to-account tests sock = connect_tcp(('localhost', prolis.getsockname()[1])) fd = sock.makefile() fd.write('PUT /v1/a1/c1 HTTP/1.1\r\nHost: localhost\r\n' 'Connection: close\r\nX-Auth-Token: t\r\n' 'Content-Length: 0\r\n\r\n') fd.flush() headers = readuntil2crlfs(fd) exp = 'HTTP/1.1 201' assert headers[:len(exp)] == exp, "Expected '%s', encountered '%s'" % ( exp, headers[:len(exp)]) sock = connect_tcp(('localhost', prolis.getsockname()[1])) fd = sock.makefile() fd.write( 'PUT /v1/a/c1 HTTP/1.1\r\nHost: localhost\r\n' 'Connection: close\r\nX-Auth-Token: t\r\nX-Storage-Policy: one\r\n' 'Content-Length: 0\r\n\r\n') fd.flush() headers = readuntil2crlfs(fd) exp = 'HTTP/1.1 201' assert headers[:len(exp)] == exp, \ "Expected '%s', encountered '%s'" % (exp, headers[:len(exp)]) sock = connect_tcp(('localhost', prolis.getsockname()[1])) fd = sock.makefile() fd.write( 'PUT /v1/a/c2 HTTP/1.1\r\nHost: localhost\r\n' 'Connection: close\r\nX-Auth-Token: t\r\nX-Storage-Policy: two\r\n' 'Content-Length: 0\r\n\r\n') fd.flush() headers = readuntil2crlfs(fd) exp = 'HTTP/1.1 201' assert headers[:len(exp)] == exp, \ "Expected '%s', encountered '%s'" % (exp, headers[:len(exp)]) return context def teardown_servers(context): for server in context["test_coros"]: server.kill() rmtree(os.path.dirname(context["testdir"])) utils.SysLogHandler = context["orig_SysLogHandler"] storage_policy._POLICIES = context["orig_POLICIES"]