# Copyright (c) 2010-2012 OpenStack, LLC. # # 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 cPickle as pickle import json import os import unittest from gzip import GzipFile from shutil import rmtree from time import time from distutils.dir_util import mkpath from eventlet import spawn, Timeout, listen from swift.obj import updater as object_updater, server as object_server from swift.obj.server import ASYNCDIR from swift.common.ring import RingData from swift.common import utils from swift.common.utils import hash_path, normalize_timestamp, mkdirs, \ write_pickle class TestObjectUpdater(unittest.TestCase): def setUp(self): utils.HASH_PATH_SUFFIX = 'endcap' self.testdir = os.path.join(os.path.dirname(__file__), 'object_updater') rmtree(self.testdir, ignore_errors=1) os.mkdir(self.testdir) pickle.dump(RingData([[0, 1, 0, 1], [1, 0, 1, 0]], [{'id': 0, 'ip': '127.0.0.1', 'port': 1, 'device': 'sda1', 'zone': 0}, {'id': 1, 'ip': '127.0.0.1', 'port': 1, 'device': 'sda1', 'zone': 2}], 30), GzipFile(os.path.join(self.testdir, 'container.ring.gz'), 'wb')) self.devices_dir = os.path.join(self.testdir, 'devices') os.mkdir(self.devices_dir) self.sda1 = os.path.join(self.devices_dir, 'sda1') os.mkdir(self.sda1) os.mkdir(os.path.join(self.sda1, 'tmp')) def tearDown(self): rmtree(self.testdir, ignore_errors=1) def test_creation(self): cu = object_updater.ObjectUpdater({ 'devices': self.devices_dir, 'mount_check': 'false', 'swift_dir': self.testdir, 'interval': '1', 'concurrency': '2', 'node_timeout': '5', }) self.assert_(hasattr(cu, 'logger')) self.assert_(cu.logger is not None) self.assertEquals(cu.devices, self.devices_dir) self.assertEquals(cu.interval, 1) self.assertEquals(cu.concurrency, 2) self.assertEquals(cu.node_timeout, 5) self.assert_(cu.get_container_ring() is not None) def test_object_sweep(self): prefix_dir = os.path.join(self.sda1, ASYNCDIR, 'abc') mkpath(prefix_dir) objects = { 'a': [1089.3, 18.37, 12.83, 1.3], 'b': [49.4, 49.3, 49.2, 49.1], 'c': [109984.123], } expected = set() for o, timestamps in objects.iteritems(): ohash = hash_path('account', 'container', o) for t in timestamps: o_path = os.path.join(prefix_dir, ohash + '-' + normalize_timestamp(t)) if t == timestamps[0]: expected.add(o_path) write_pickle({}, o_path) seen = set() class MockObjectUpdater(object_updater.ObjectUpdater): def process_object_update(self, update_path, device): seen.add(update_path) os.unlink(update_path) cu = MockObjectUpdater({ 'devices': self.devices_dir, 'mount_check': 'false', 'swift_dir': self.testdir, 'interval': '1', 'concurrency': '1', 'node_timeout': '5', }) cu.object_sweep(self.sda1) self.assert_(not os.path.exists(prefix_dir)) self.assertEqual(expected, seen) def test_run_once(self): cu = object_updater.ObjectUpdater({ 'devices': self.devices_dir, 'mount_check': 'false', 'swift_dir': self.testdir, 'interval': '1', 'concurrency': '1', 'node_timeout': '15', }) cu.run_once() async_dir = os.path.join(self.sda1, object_server.ASYNCDIR) os.mkdir(async_dir) cu.run_once() self.assert_(os.path.exists(async_dir)) odd_dir = os.path.join(async_dir, 'not really supposed to be here') os.mkdir(odd_dir) cu.run_once() self.assert_(os.path.exists(async_dir)) self.assert_(not os.path.exists(odd_dir)) ohash = hash_path('a', 'c', 'o') odir = os.path.join(async_dir, ohash[-3:]) mkdirs(odir) op_path = os.path.join(odir, '%s-%s' % (ohash, normalize_timestamp(time()))) pickle.dump({'op': 'PUT', 'account': 'a', 'container': 'c', 'obj': 'o', 'headers': {'X-Container-Timestamp': normalize_timestamp(0)}}, open(op_path, 'wb')) cu.run_once() self.assert_(os.path.exists(op_path)) bindsock = listen(('127.0.0.1', 0)) def accepter(sock, return_code): try: with Timeout(3): inc = sock.makefile('rb') out = sock.makefile('wb') out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' % return_code) out.flush() self.assertEquals(inc.readline(), 'PUT /sda1/0/a/c/o HTTP/1.1\r\n') headers = {} line = inc.readline() while line and line != '\r\n': headers[line.split(':')[0].lower()] = \ line.split(':')[1].strip() line = inc.readline() self.assert_('x-container-timestamp' in headers) except BaseException, err: return err return None def accept(return_codes): codes = iter(return_codes) try: events = [] for x in xrange(len(return_codes)): with Timeout(3): sock, addr = bindsock.accept() events.append( spawn(accepter, sock, codes.next())) for event in events: err = event.wait() if err: raise err except BaseException, err: return err return None event = spawn(accept, [201, 500]) for dev in cu.get_container_ring().devs: if dev is not None: dev['port'] = bindsock.getsockname()[1] cu.run_once() err = event.wait() if err: raise err self.assert_(os.path.exists(op_path)) event = spawn(accept, [201]) cu.run_once() err = event.wait() if err: raise err self.assert_(not os.path.exists(op_path)) if __name__ == '__main__': unittest.main()