# Copyright (c) 2014 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 os import sys import pickle import socket import locale import eventlet import eventlet.debug import functools import random from time import time, sleep from httplib import HTTPException from urlparse import urlparse from nose import SkipTest from contextlib import closing from gzip import GzipFile from shutil import rmtree from tempfile import mkdtemp from swift.common.middleware.memcache import MemcacheMiddleware from test import get_config from test.functional.swift_test_client import Account, Connection, \ ResponseError # This has the side effect of mocking out the xattr module so that unit tests # (and in this case, when in-process functional tests are called for) can run # on file systems that don't support extended attributes. from test.unit import debug_logger, FakeMemcache from swift.common import constraints, utils, ring, storage_policy from swift.common.ring import Ring from swift.common.wsgi import monkey_patch_mimetools, loadapp from swift.common.utils import config_true_value from swift.account import server as account_server from swift.container import server as container_server from swift.obj import server as object_server, mem_server as mem_object_server import swift.proxy.controllers.obj # In order to get the proper blocking behavior of sockets without using # threads, where we can set an arbitrary timeout for some piece of code under # test, we use eventlet with the standard socket library patched. We have to # perform this setup at module import time, since all the socket module # bindings in the swiftclient code will have been made by the time nose # invokes the package or class setup methods. eventlet.hubs.use_hub(utils.get_hub()) eventlet.patcher.monkey_patch(all=False, socket=True) eventlet.debug.hub_exceptions(False) from swiftclient import get_auth, http_connection has_insecure = False try: from swiftclient import __version__ as client_version # Prevent a ValueError in StrictVersion with '2.0.3.68.ga99c2ff' client_version = '.'.join(client_version.split('.')[:3]) except ImportError: # Pre-PBR we had version, not __version__. Anyhow... client_version = '1.2' from distutils.version import StrictVersion if StrictVersion(client_version) >= StrictVersion('2.0'): has_insecure = True config = {} web_front_end = None normalized_urls = None # If no config was read, we will fall back to old school env vars swift_test_auth_version = None swift_test_auth = os.environ.get('SWIFT_TEST_AUTH') swift_test_user = [os.environ.get('SWIFT_TEST_USER'), None, None, ''] swift_test_key = [os.environ.get('SWIFT_TEST_KEY'), None, None, ''] swift_test_tenant = ['', '', '', ''] swift_test_perm = ['', '', '', ''] swift_test_domain = ['', '', '', ''] swift_test_user_id = ['', '', '', ''] swift_test_tenant_id = ['', '', '', ''] skip, skip2, skip3 = False, False, False orig_collate = '' insecure = False orig_hash_path_suff_pref = ('', '') orig_swift_conf_name = None in_process = False _testdir = _test_servers = _test_sockets = _test_coros = None class FakeMemcacheMiddleware(MemcacheMiddleware): """ Caching middleware that fakes out caching in swift if memcached does not appear to be running. """ def __init__(self, app, conf): super(FakeMemcacheMiddleware, self).__init__(app, conf) self.memcache = FakeMemcache() # swift.conf contents for in-process functional test runs functests_swift_conf = ''' [swift-hash] swift_hash_path_suffix = inprocfunctests swift_hash_path_prefix = inprocfunctests [swift-constraints] max_file_size = %d ''' % ((8 * 1024 * 1024) + 2) # 8 MB + 2 def in_process_setup(the_object_server=object_server): print >>sys.stderr, 'IN-PROCESS SERVERS IN USE FOR FUNCTIONAL TESTS' print >>sys.stderr, 'Using object_server: %s' % the_object_server.__name__ _dir = os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir, os.pardir, os.pardir)) proxy_conf = os.path.join(_dir, 'etc', 'proxy-server.conf-sample') if os.path.exists(proxy_conf): print >>sys.stderr, 'Using proxy-server config from %s' % proxy_conf else: print >>sys.stderr, 'Failed to find conf file %s' % proxy_conf return monkey_patch_mimetools() global _testdir _testdir = os.path.join(mkdtemp(), 'tmp_functional') utils.mkdirs(_testdir) rmtree(_testdir) utils.mkdirs(os.path.join(_testdir, 'sda1')) utils.mkdirs(os.path.join(_testdir, 'sda1', 'tmp')) utils.mkdirs(os.path.join(_testdir, 'sdb1')) utils.mkdirs(os.path.join(_testdir, 'sdb1', 'tmp')) swift_conf = os.path.join(_testdir, "swift.conf") with open(swift_conf, "w") as scfp: scfp.write(functests_swift_conf) global orig_swift_conf_name orig_swift_conf_name = utils.SWIFT_CONF_FILE utils.SWIFT_CONF_FILE = swift_conf constraints.reload_constraints() storage_policy.SWIFT_CONF_FILE = swift_conf storage_policy.reload_storage_policies() global config if constraints.SWIFT_CONSTRAINTS_LOADED: # Use the swift constraints that are loaded for the test framework # configuration _c = dict((k, str(v)) for k, v in constraints.EFFECTIVE_CONSTRAINTS.items()) config.update(_c) else: # In-process swift constraints were not loaded, somethings wrong raise SkipTest global orig_hash_path_suff_pref orig_hash_path_suff_pref = utils.HASH_PATH_PREFIX, utils.HASH_PATH_SUFFIX utils.validate_hash_conf() # We create the proxy server listening socket to get its port number so # that we can add it as the "auth_port" value for the functional test # clients. prolis = eventlet.listen(('localhost', 0)) # The following set of configuration values is used both for the # functional test frame work and for the various proxy, account, container # and object servers. config.update({ # Values needed by the various in-process swift servers 'devices': _testdir, 'swift_dir': _testdir, 'mount_check': 'false', 'client_timeout': '4', 'allow_account_management': 'true', 'account_autocreate': 'true', 'allow_versions': 'True', # Below are values used by the functional test framework, as well as # by the various in-process swift servers 'auth_host': '127.0.0.1', 'auth_port': str(prolis.getsockname()[1]), 'auth_ssl': 'no', 'auth_prefix': '/auth/', # Primary functional test account (needs admin access to the # account) 'account': 'test', 'username': 'tester', 'password': 'testing', # User on a second account (needs admin access to the account) 'account2': 'test2', 'username2': 'tester2', 'password2': 'testing2', # User on same account as first, but without admin access 'username3': 'tester3', 'password3': 'testing3', # For tempauth middleware 'user_admin_admin': 'admin .admin .reseller_admin', 'user_test_tester': 'testing .admin', 'user_test2_tester2': 'testing2 .admin', 'user_test_tester3': 'testing3' }) acc1lis = eventlet.listen(('localhost', 0)) acc2lis = eventlet.listen(('localhost', 0)) con1lis = eventlet.listen(('localhost', 0)) con2lis = eventlet.listen(('localhost', 0)) obj1lis = eventlet.listen(('localhost', 0)) obj2lis = eventlet.listen(('localhost', 0)) global _test_sockets _test_sockets = \ (prolis, acc1lis, acc2lis, con1lis, con2lis, obj1lis, obj2lis) account_ring_path = os.path.join(_testdir, 'account.ring.gz') with closing(GzipFile(account_ring_path, 'wb')) as f: pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]], [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1', 'port': acc1lis.getsockname()[1]}, {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1', 'port': acc2lis.getsockname()[1]}], 30), f) container_ring_path = os.path.join(_testdir, 'container.ring.gz') with closing(GzipFile(container_ring_path, 'wb')) as f: pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]], [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1', 'port': con1lis.getsockname()[1]}, {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1', 'port': con2lis.getsockname()[1]}], 30), f) object_ring_path = os.path.join(_testdir, 'object.ring.gz') with closing(GzipFile(object_ring_path, 'wb')) as f: pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]], [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1', 'port': obj1lis.getsockname()[1]}, {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1', 'port': obj2lis.getsockname()[1]}], 30), f) eventlet.wsgi.HttpProtocol.default_request_version = "HTTP/1.0" # Turn off logging requests by the underlying WSGI software. eventlet.wsgi.HttpProtocol.log_request = lambda *a: None logger = utils.get_logger(config, 'wsgi-server', log_route='wsgi') # Redirect logging other messages by the underlying WSGI software. eventlet.wsgi.HttpProtocol.log_message = \ lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a) # Default to only 4 seconds for in-process functional test runs eventlet.wsgi.WRITE_TIMEOUT = 4 acc1srv = account_server.AccountController( config, logger=debug_logger('acct1')) acc2srv = account_server.AccountController( config, logger=debug_logger('acct2')) con1srv = container_server.ContainerController( config, logger=debug_logger('cont1')) con2srv = container_server.ContainerController( config, logger=debug_logger('cont2')) obj1srv = the_object_server.ObjectController( config, logger=debug_logger('obj1')) obj2srv = the_object_server.ObjectController( config, logger=debug_logger('obj2')) logger = debug_logger('proxy') def get_logger(name, *args, **kwargs): return logger with mock.patch('swift.common.utils.get_logger', get_logger): with mock.patch('swift.common.middleware.memcache.MemcacheMiddleware', FakeMemcacheMiddleware): app = loadapp(proxy_conf, global_conf=config) nl = utils.NullLogger() prospa = eventlet.spawn(eventlet.wsgi.server, prolis, app, nl) acc1spa = eventlet.spawn(eventlet.wsgi.server, acc1lis, acc1srv, nl) acc2spa = eventlet.spawn(eventlet.wsgi.server, acc2lis, acc2srv, nl) con1spa = eventlet.spawn(eventlet.wsgi.server, con1lis, con1srv, nl) con2spa = eventlet.spawn(eventlet.wsgi.server, con2lis, con2srv, nl) obj1spa = eventlet.spawn(eventlet.wsgi.server, obj1lis, obj1srv, nl) obj2spa = eventlet.spawn(eventlet.wsgi.server, obj2lis, obj2srv, nl) global _test_coros _test_coros = \ (prospa, acc1spa, acc2spa, con1spa, con2spa, obj1spa, obj2spa) # Create accounts "test" and "test2" def create_account(act): ts = utils.normalize_timestamp(time()) account_ring = Ring(_testdir, ring_name='account') partition, nodes = account_ring.get_nodes(act) for node in nodes: # Note: we are just using the http_connect method in the object # controller here to talk to the account server nodes. conn = swift.proxy.controllers.obj.http_connect( node['ip'], node['port'], node['device'], partition, 'PUT', '/' + act, {'X-Timestamp': ts, 'x-trans-id': act}) resp = conn.getresponse() assert(resp.status == 201) create_account('AUTH_test') create_account('AUTH_test2') cluster_info = {} def get_cluster_info(): # The fallback constraints used for testing will come from the current # effective constraints. eff_constraints = dict(constraints.EFFECTIVE_CONSTRAINTS) # We'll update those constraints based on what the /info API provides, if # anything. global cluster_info try: conn = Connection(config) conn.authenticate() cluster_info.update(conn.cluster_info()) except (ResponseError, socket.error): # Failed to get cluster_information via /info API, so fall back on # test.conf data pass else: try: eff_constraints.update(cluster_info['swift']) except KeyError: # Most likely the swift cluster has "expose_info = false" set # in its proxy-server.conf file, so we'll just do the best we # can. print >>sys.stderr, "** Swift Cluster not exposing /info **" # Finally, we'll allow any constraint present in the swift-constraints # section of test.conf to override everything. Note that only those # constraints defined in the constraints module are converted to integers. test_constraints = get_config('swift-constraints') for k in constraints.DEFAULT_CONSTRAINTS: try: test_constraints[k] = int(test_constraints[k]) except KeyError: pass except ValueError: print >>sys.stderr, "Invalid constraint value: %s = %s" % ( k, test_constraints[k]) eff_constraints.update(test_constraints) # Just make it look like these constraints were loaded from a /info call, # even if the /info call failed, or when they are overridden by values # from the swift-constraints section of test.conf cluster_info['swift'] = eff_constraints def setup_package(): in_process_env = os.environ.get('SWIFT_TEST_IN_PROCESS') if in_process_env is not None: use_in_process = utils.config_true_value(in_process_env) else: use_in_process = None global in_process if use_in_process: # Explicitly set to True, so barrel on ahead with in-process # functional test setup. in_process = True # NOTE: No attempt is made to a read local test.conf file. else: if use_in_process is None: # Not explicitly set, default to using in-process functional tests # if the test.conf file is not found, or does not provide a usable # configuration. config.update(get_config('func_test')) if config: in_process = False else: in_process = True else: # Explicitly set to False, do not attempt to use in-process # functional tests, be sure we attempt to read from local # test.conf file. in_process = False config.update(get_config('func_test')) if in_process: in_mem_obj_env = os.environ.get('SWIFT_TEST_IN_MEMORY_OBJ') in_mem_obj = utils.config_true_value(in_mem_obj_env) in_process_setup(the_object_server=( mem_object_server if in_mem_obj else object_server)) global web_front_end web_front_end = config.get('web_front_end', 'integral') global normalized_urls normalized_urls = config.get('normalized_urls', False) global orig_collate orig_collate = locale.setlocale(locale.LC_COLLATE) locale.setlocale(locale.LC_COLLATE, config.get('collate', 'C')) global insecure insecure = config_true_value(config.get('insecure', False)) global swift_test_auth_version global swift_test_auth global swift_test_user global swift_test_key global swift_test_tenant global swift_test_perm global swift_test_domain if config: swift_test_auth_version = str(config.get('auth_version', '1')) swift_test_auth = 'http' if config_true_value(config.get('auth_ssl', 'no')): swift_test_auth = 'https' if 'auth_prefix' not in config: config['auth_prefix'] = '/' try: suffix = '://%(auth_host)s:%(auth_port)s%(auth_prefix)s' % config swift_test_auth += suffix except KeyError: pass # skip if swift_test_auth_version == "1": swift_test_auth += 'v1.0' try: if 'account' in config: swift_test_user[0] = '%(account)s:%(username)s' % config else: swift_test_user[0] = '%(username)s' % config swift_test_key[0] = config['password'] except KeyError: # bad config, no account/username configured, tests cannot be # run pass try: swift_test_user[1] = '%s%s' % ( '%s:' % config['account2'] if 'account2' in config else '', config['username2']) swift_test_key[1] = config['password2'] except KeyError: pass # old config, no second account tests can be run try: swift_test_user[2] = '%s%s' % ( '%s:' % config['account'] if 'account' in config else '', config['username3']) swift_test_key[2] = config['password3'] except KeyError: pass # old config, no third account tests can be run for _ in range(3): swift_test_perm[_] = swift_test_user[_] else: swift_test_user[0] = config['username'] swift_test_tenant[0] = config['account'] swift_test_key[0] = config['password'] swift_test_user[1] = config['username2'] swift_test_tenant[1] = config['account2'] swift_test_key[1] = config['password2'] swift_test_user[2] = config['username3'] swift_test_tenant[2] = config['account'] swift_test_key[2] = config['password3'] if 'username4' in config: swift_test_user[3] = config['username4'] swift_test_tenant[3] = config['account4'] swift_test_key[3] = config['password4'] swift_test_domain[3] = config['domain4'] for _ in range(4): swift_test_perm[_] = swift_test_tenant[_] + ':' \ + swift_test_user[_] global skip skip = not all([swift_test_auth, swift_test_user[0], swift_test_key[0]]) if skip: print >>sys.stderr, 'SKIPPING FUNCTIONAL TESTS DUE TO NO CONFIG' global skip2 skip2 = not all([not skip, swift_test_user[1], swift_test_key[1]]) if not skip and skip2: print >>sys.stderr, \ 'SKIPPING SECOND ACCOUNT FUNCTIONAL TESTS' \ ' DUE TO NO CONFIG FOR THEM' global skip3 skip3 = not all([not skip, swift_test_user[2], swift_test_key[2]]) if not skip and skip3: print >>sys.stderr, \ 'SKIPPING THIRD ACCOUNT FUNCTIONAL TESTS DUE TO NO CONFIG FOR THEM' global skip_if_not_v3 skip_if_not_v3 = (swift_test_auth_version != '3' or not all([not skip, swift_test_user[3], swift_test_key[3]])) if not skip and skip_if_not_v3: print >>sys.stderr, \ 'SKIPPING FUNCTIONAL TESTS SPECIFIC TO AUTH VERSION 3' get_cluster_info() def teardown_package(): global orig_collate locale.setlocale(locale.LC_COLLATE, orig_collate) # clean up containers and objects left behind after running tests conn = Connection(config) conn.authenticate() account = Account(conn, config.get('account', config['username'])) account.delete_containers() global in_process if in_process: try: for server in _test_coros: server.kill() except Exception: pass try: rmtree(os.path.dirname(_testdir)) except Exception: pass utils.HASH_PATH_PREFIX, utils.HASH_PATH_SUFFIX = \ orig_hash_path_suff_pref utils.SWIFT_CONF_FILE = orig_swift_conf_name constraints.reload_constraints() class AuthError(Exception): pass class InternalServerError(Exception): pass url = [None, None, None, None] token = [None, None, None, None] parsed = [None, None, None, None] conn = [None, None, None, None] def connection(url): if has_insecure: return http_connection(url, insecure=insecure) return http_connection(url) def retry(func, *args, **kwargs): """ You can use the kwargs to override: 'retries' (default: 5) 'use_account' (default: 1) - which user's token to pass 'url_account' (default: matches 'use_account') - which user's storage URL 'resource' (default: url[url_account] - URL to connect to; retry() will interpolate the variable :storage_url: if present """ global url, token, parsed, conn retries = kwargs.get('retries', 5) attempts, backoff = 0, 1 # use account #1 by default; turn user's 1-indexed account into 0-indexed use_account = kwargs.pop('use_account', 1) - 1 # access our own account by default url_account = kwargs.pop('url_account', use_account + 1) - 1 os_options = {'user_domain_name': swift_test_domain[use_account], 'project_domain_name': swift_test_domain[use_account]} while attempts <= retries: attempts += 1 try: if not url[use_account] or not token[use_account]: url[use_account], token[use_account] = \ get_auth(swift_test_auth, swift_test_user[use_account], swift_test_key[use_account], snet=False, tenant_name=swift_test_tenant[use_account], auth_version=swift_test_auth_version, os_options=os_options) parsed[use_account] = conn[use_account] = None if not parsed[use_account] or not conn[use_account]: parsed[use_account], conn[use_account] = \ connection(url[use_account]) # default resource is the account url[url_account] resource = kwargs.pop('resource', '%(storage_url)s') template_vars = {'storage_url': url[url_account]} parsed_result = urlparse(resource % template_vars) return func(url[url_account], token[use_account], parsed_result, conn[url_account], *args, **kwargs) except (socket.error, HTTPException): if attempts > retries: raise parsed[use_account] = conn[use_account] = None except AuthError: url[use_account] = token[use_account] = None continue except InternalServerError: pass if attempts <= retries: sleep(backoff) backoff *= 2 raise Exception('No result after %s retries.' % retries) def check_response(conn): resp = conn.getresponse() if resp.status == 401: resp.read() raise AuthError() elif resp.status // 100 == 5: resp.read() raise InternalServerError() return resp def load_constraint(name): global cluster_info try: c = cluster_info['swift'][name] except KeyError: raise SkipTest("Missing constraint: %s" % name) if not isinstance(c, int): raise SkipTest("Bad value, %r, for constraint: %s" % (c, name)) return c def get_storage_policy_from_cluster_info(info): policies = info['swift'].get('policies', {}) default_policy = [] non_default_policies = [] for p in policies: if p.get('default', {}): default_policy.append(p) else: non_default_policies.append(p) return default_policy, non_default_policies def reset_acl(): def post(url, token, parsed, conn): conn.request('POST', parsed.path, '', { 'X-Auth-Token': token, 'X-Account-Access-Control': '{}' }) return check_response(conn) resp = retry(post, use_account=1) resp.read() def requires_acls(f): @functools.wraps(f) def wrapper(*args, **kwargs): global skip, cluster_info if skip or not cluster_info: raise SkipTest # Determine whether this cluster has account ACLs; if not, skip test if not cluster_info.get('tempauth', {}).get('account_acls'): raise SkipTest if 'keystoneauth' in cluster_info: # remove when keystoneauth supports account acls raise SkipTest reset_acl() try: rv = f(*args, **kwargs) finally: reset_acl() return rv return wrapper class FunctionalStoragePolicyCollection(object): def __init__(self, policies): self._all = policies self.default = None for p in self: if p.get('default', False): assert self.default is None, 'Found multiple default ' \ 'policies %r and %r' % (self.default, p) self.default = p @classmethod def from_info(cls, info=None): if not (info or cluster_info): get_cluster_info() info = info or cluster_info try: policy_info = info['swift']['policies'] except KeyError: raise AssertionError('Did not find any policy info in %r' % info) policies = cls(policy_info) assert policies.default, \ 'Did not find default policy in %r' % policy_info return policies def __len__(self): return len(self._all) def __iter__(self): return iter(self._all) def __getitem__(self, index): return self._all[index] def filter(self, **kwargs): return self.__class__([p for p in self if all( p.get(k) == v for k, v in kwargs.items())]) def exclude(self, **kwargs): return self.__class__([p for p in self if all( p.get(k) != v for k, v in kwargs.items())]) def select(self): return random.choice(self) def requires_policies(f): @functools.wraps(f) def wrapper(self, *args, **kwargs): if skip: raise SkipTest try: self.policies = FunctionalStoragePolicyCollection.from_info() except AssertionError: raise SkipTest("Unable to determine available policies") if len(self.policies) < 2: raise SkipTest("Multiple policies not enabled") return f(self, *args, **kwargs) return wrapper