1000 lines
39 KiB
Python
1000 lines
39 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from time import time
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from unittest import main, TestCase
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from test.unit import FakeRing, mocked_http_conn, debug_logger, \
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make_timestamp_iter
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from tempfile import mkdtemp
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from shutil import rmtree
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from collections import defaultdict
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from copy import deepcopy
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import mock
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import six
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from six.moves import urllib
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from swift.common import internal_client, utils, swob
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from swift.common.utils import Timestamp
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from swift.obj import expirer
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def not_random():
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return 0.5
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last_not_sleep = 0
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def not_sleep(seconds):
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global last_not_sleep
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last_not_sleep = seconds
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class FakeInternalClient(object):
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container_ring = FakeRing()
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def __init__(self, aco_dict):
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"""
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:param aco_dict: A dict of account ,container, object that
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FakeInternalClient can return when each method called. Each account
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has container name dict, and each container dict has a list of
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objects in the container.
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e.g. {'account1': {
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'container1: ['obj1', 'obj2', {'name': 'obj3'}],
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'container2: [],
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},
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'account2': {},
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}
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N.B. the objects entries should be the container-server JSON style
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db rows, but this fake will dynamically detect when names are given
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and wrap them for convenience.
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"""
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self.aco_dict = defaultdict(dict)
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self.aco_dict.update(aco_dict)
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def get_account_info(self, account):
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acc_dict = self.aco_dict[account]
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container_count = len(acc_dict)
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obj_count = sum(len(objs) for objs in acc_dict.values())
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return container_count, obj_count
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def iter_containers(self, account, prefix=''):
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acc_dict = self.aco_dict[account]
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return [{'name': six.text_type(container)}
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for container in sorted(acc_dict)
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if container.startswith(prefix)]
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def delete_container(*a, **kw):
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pass
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def iter_objects(self, account, container):
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acc_dict = self.aco_dict[account]
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obj_iter = acc_dict.get(container, [])
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resp = []
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for obj in obj_iter:
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if not isinstance(obj, dict):
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obj = {'name': six.text_type(obj)}
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resp.append(obj)
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return resp
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def make_request(*a, **kw):
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pass
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class TestObjectExpirer(TestCase):
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maxDiff = None
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internal_client = None
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def setUp(self):
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global not_sleep
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self.old_loadapp = internal_client.loadapp
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self.old_sleep = internal_client.sleep
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internal_client.loadapp = lambda *a, **kw: None
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internal_client.sleep = not_sleep
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self.rcache = mkdtemp()
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self.conf = {'recon_cache_path': self.rcache}
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self.logger = debug_logger('test-expirer')
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self.ts = make_timestamp_iter()
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self.past_time = str(int(time() - 86400))
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self.future_time = str(int(time() + 86400))
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# Dummy task queue for test
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self.fake_swift = FakeInternalClient({
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'.expiring_objects': {
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# this task container will be checked
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self.past_time: [
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# tasks ready for execution
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self.past_time + '-a0/c0/o0',
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self.past_time + '-a1/c1/o1',
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self.past_time + '-a2/c2/o2',
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self.past_time + '-a3/c3/o3',
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self.past_time + '-a4/c4/o4',
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self.past_time + '-a5/c5/o5',
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self.past_time + '-a6/c6/o6',
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self.past_time + '-a7/c7/o7',
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# task objects for unicode test
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self.past_time + u'-a8/c8/o8\u2661',
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self.past_time + u'-a9/c9/o9\xf8',
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# this task will be skipped
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self.future_time + '-a10/c10/o10'],
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# this task container will be skipped
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self.future_time: [
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self.future_time + '-a11/c11/o11']}
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})
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self.expirer = expirer.ObjectExpirer(self.conf, logger=self.logger,
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swift=self.fake_swift)
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# target object paths which should be expirerd now
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self.expired_target_path_list = [
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swob.wsgi_to_str(tgt) for tgt in (
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'a0/c0/o0', 'a1/c1/o1', 'a2/c2/o2', 'a3/c3/o3', 'a4/c4/o4',
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'a5/c5/o5', 'a6/c6/o6', 'a7/c7/o7',
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'a8/c8/o8\xe2\x99\xa1', 'a9/c9/o9\xc3\xb8',
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)
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]
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def tearDown(self):
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rmtree(self.rcache)
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internal_client.sleep = self.old_sleep
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internal_client.loadapp = self.old_loadapp
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def test_get_process_values_from_kwargs(self):
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x = expirer.ObjectExpirer({})
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vals = {
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'processes': 5,
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'process': 1,
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}
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x.get_process_values(vals)
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self.assertEqual(x.processes, 5)
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self.assertEqual(x.process, 1)
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def test_get_process_values_from_config(self):
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vals = {
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'processes': 5,
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'process': 1,
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}
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x = expirer.ObjectExpirer(vals)
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x.get_process_values({})
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self.assertEqual(x.processes, 5)
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self.assertEqual(x.process, 1)
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def test_get_process_values_negative_process(self):
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vals = {
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'processes': 5,
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'process': -1,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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expected_msg = 'process must be an integer greater' \
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' than or equal to 0'
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values({})
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self.assertEqual(str(ctx.exception), expected_msg)
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# from kwargs
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x = expirer.ObjectExpirer({})
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values(vals)
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self.assertEqual(str(ctx.exception), expected_msg)
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def test_get_process_values_negative_processes(self):
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vals = {
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'processes': -5,
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'process': 1,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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expected_msg = 'processes must be an integer greater' \
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' than or equal to 0'
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values({})
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self.assertEqual(str(ctx.exception), expected_msg)
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# from kwargs
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x = expirer.ObjectExpirer({})
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values(vals)
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self.assertEqual(str(ctx.exception), expected_msg)
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def test_get_process_values_process_greater_than_processes(self):
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vals = {
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'processes': 5,
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'process': 7,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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expected_msg = 'process must be less than processes'
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values({})
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self.assertEqual(str(ctx.exception), expected_msg)
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# from kwargs
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x = expirer.ObjectExpirer({})
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values(vals)
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self.assertEqual(str(ctx.exception), expected_msg)
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def test_get_process_values_process_equal_to_processes(self):
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vals = {
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'processes': 5,
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'process': 5,
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}
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# from config
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x = expirer.ObjectExpirer(vals)
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expected_msg = 'process must be less than processes'
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values({})
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self.assertEqual(str(ctx.exception), expected_msg)
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# from kwargs
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x = expirer.ObjectExpirer({})
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with self.assertRaises(ValueError) as ctx:
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x.get_process_values(vals)
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self.assertEqual(str(ctx.exception), expected_msg)
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def test_init_concurrency_too_small(self):
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conf = {
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'concurrency': 0,
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}
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self.assertRaises(ValueError, expirer.ObjectExpirer, conf)
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conf = {
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'concurrency': -1,
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}
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self.assertRaises(ValueError, expirer.ObjectExpirer, conf)
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def test_process_based_concurrency(self):
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class ObjectExpirer(expirer.ObjectExpirer):
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def __init__(self, conf, swift):
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super(ObjectExpirer, self).__init__(conf, swift=swift)
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self.processes = 3
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self.deleted_objects = {}
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def delete_object(self, target_path, delete_timestamp,
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task_account, task_container, task_object,
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is_async_delete):
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if task_container not in self.deleted_objects:
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self.deleted_objects[task_container] = set()
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self.deleted_objects[task_container].add(task_object)
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x = ObjectExpirer(self.conf, swift=self.fake_swift)
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deleted_objects = defaultdict(set)
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for i in range(3):
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x.process = i
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# reset progress so we know we don't double-up work among processes
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x.deleted_objects = defaultdict(set)
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x.run_once()
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for task_container, deleted in x.deleted_objects.items():
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self.assertFalse(deleted_objects[task_container] & deleted)
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deleted_objects[task_container] |= deleted
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# sort for comparison
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deleted_objects = {
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con: sorted(o_set) for con, o_set in deleted_objects.items()}
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expected = {
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self.past_time: [
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self.past_time + '-' + target_path
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for target_path in self.expired_target_path_list]}
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self.assertEqual(deleted_objects, expected)
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def test_delete_object(self):
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x = expirer.ObjectExpirer({}, logger=self.logger)
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actual_obj = 'actual_obj'
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timestamp = int(time())
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reclaim_ts = timestamp - x.reclaim_age
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account = 'account'
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container = 'container'
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obj = 'obj'
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http_exc = {
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resp_code:
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internal_client.UnexpectedResponse(
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str(resp_code), swob.HTTPException(status=resp_code))
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for resp_code in {404, 412, 500}
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}
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exc_other = Exception()
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def check_call_to_delete_object(exc, ts, should_pop):
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x.logger.clear()
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start_reports = x.report_objects
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with mock.patch.object(x, 'delete_actual_object',
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side_effect=exc) as delete_actual:
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with mock.patch.object(x, 'pop_queue') as pop_queue:
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x.delete_object(actual_obj, ts, account, container, obj,
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False)
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delete_actual.assert_called_once_with(actual_obj, ts, False)
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log_lines = x.logger.get_lines_for_level('error')
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if should_pop:
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pop_queue.assert_called_once_with(account, container, obj)
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self.assertEqual(start_reports + 1, x.report_objects)
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self.assertFalse(log_lines)
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else:
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self.assertFalse(pop_queue.called)
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self.assertEqual(start_reports, x.report_objects)
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self.assertEqual(1, len(log_lines))
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if isinstance(exc, internal_client.UnexpectedResponse):
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self.assertEqual(
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log_lines[0],
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'Unexpected response while deleting object '
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'account container obj: %s' % exc.resp.status_int)
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else:
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self.assertTrue(log_lines[0].startswith(
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'Exception while deleting object '
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'account container obj'))
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# verify pop_queue logic on exceptions
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for exc, ts, should_pop in [(None, timestamp, True),
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(http_exc[404], timestamp, False),
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(http_exc[412], timestamp, False),
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(http_exc[500], reclaim_ts, False),
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(exc_other, reclaim_ts, False),
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(http_exc[404], reclaim_ts, True),
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(http_exc[412], reclaim_ts, True)]:
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try:
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check_call_to_delete_object(exc, ts, should_pop)
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except AssertionError as err:
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self.fail("Failed on %r at %f: %s" % (exc, ts, err))
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def test_report(self):
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x = expirer.ObjectExpirer({}, logger=self.logger)
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x.report()
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self.assertEqual(x.logger.get_lines_for_level('info'), [])
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x.logger._clear()
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x.report(final=True)
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self.assertTrue(
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'completed' in str(x.logger.get_lines_for_level('info')))
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self.assertTrue(
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'so far' not in str(x.logger.get_lines_for_level('info')))
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x.logger._clear()
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x.report_last_time = time() - x.report_interval
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x.report()
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self.assertTrue(
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'completed' not in str(x.logger.get_lines_for_level('info')))
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self.assertTrue(
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'so far' in str(x.logger.get_lines_for_level('info')))
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def test_parse_task_obj(self):
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x = expirer.ObjectExpirer(self.conf, logger=self.logger)
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def assert_parse_task_obj(task_obj, expected_delete_at,
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expected_account, expected_container,
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expected_obj):
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delete_at, account, container, obj = x.parse_task_obj(task_obj)
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self.assertEqual(delete_at, expected_delete_at)
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self.assertEqual(account, expected_account)
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self.assertEqual(container, expected_container)
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self.assertEqual(obj, expected_obj)
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assert_parse_task_obj('0000-a/c/o', 0, 'a', 'c', 'o')
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assert_parse_task_obj('0001-a/c/o', 1, 'a', 'c', 'o')
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assert_parse_task_obj('1000-a/c/o', 1000, 'a', 'c', 'o')
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assert_parse_task_obj('0000-acc/con/obj', 0, 'acc', 'con', 'obj')
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def make_task(self, delete_at, target, is_async_delete=False):
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return {
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'task_account': '.expiring_objects',
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'task_container': delete_at,
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'task_object': delete_at + '-' + target,
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'delete_timestamp': Timestamp(delete_at),
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'target_path': target,
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'is_async_delete': is_async_delete,
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}
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def test_round_robin_order(self):
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x = expirer.ObjectExpirer(self.conf, logger=self.logger)
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task_con_obj_list = [
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# objects in 0000 timestamp container
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self.make_task('0000', 'a/c0/o0'),
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self.make_task('0000', 'a/c0/o1'),
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# objects in 0001 timestamp container
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self.make_task('0001', 'a/c1/o0'),
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self.make_task('0001', 'a/c1/o1'),
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# objects in 0002 timestamp container
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self.make_task('0002', 'a/c2/o0'),
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self.make_task('0002', 'a/c2/o1'),
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]
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result = list(x.round_robin_order(task_con_obj_list))
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# sorted by popping one object to delete for each target_container
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expected = [
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self.make_task('0000', 'a/c0/o0'),
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self.make_task('0001', 'a/c1/o0'),
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self.make_task('0002', 'a/c2/o0'),
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self.make_task('0000', 'a/c0/o1'),
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self.make_task('0001', 'a/c1/o1'),
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self.make_task('0002', 'a/c2/o1'),
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]
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self.assertEqual(expected, result)
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# task containers have some task objects with invalid target paths
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task_con_obj_list = [
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# objects in 0000 timestamp container
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self.make_task('0000', 'invalid0'),
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self.make_task('0000', 'a/c0/o0'),
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self.make_task('0000', 'a/c0/o1'),
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# objects in 0001 timestamp container
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self.make_task('0001', 'a/c1/o0'),
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self.make_task('0001', 'invalid1'),
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self.make_task('0001', 'a/c1/o1'),
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# objects in 0002 timestamp container
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self.make_task('0002', 'a/c2/o0'),
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self.make_task('0002', 'a/c2/o1'),
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self.make_task('0002', 'invalid2'),
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]
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result = list(x.round_robin_order(task_con_obj_list))
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# the invalid task objects are ignored
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expected = [
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self.make_task('0000', 'a/c0/o0'),
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self.make_task('0001', 'a/c1/o0'),
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self.make_task('0002', 'a/c2/o0'),
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self.make_task('0000', 'a/c0/o1'),
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self.make_task('0001', 'a/c1/o1'),
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self.make_task('0002', 'a/c2/o1'),
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]
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self.assertEqual(expected, result)
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# for a given target container, tasks won't necessarily all go in
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# the same timestamp container
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task_con_obj_list = [
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# objects in 0000 timestamp container
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self.make_task('0000', 'a/c0/o0'),
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self.make_task('0000', 'a/c0/o1'),
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self.make_task('0000', 'a/c2/o2'),
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self.make_task('0000', 'a/c2/o3'),
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# objects in 0001 timestamp container
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self.make_task('0001', 'a/c0/o2'),
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self.make_task('0001', 'a/c0/o3'),
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self.make_task('0001', 'a/c1/o0'),
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self.make_task('0001', 'a/c1/o1'),
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# objects in 0002 timestamp container
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self.make_task('0002', 'a/c2/o0'),
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self.make_task('0002', 'a/c2/o1'),
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]
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result = list(x.round_robin_order(task_con_obj_list))
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# so we go around popping by *target* container, not *task* container
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expected = [
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|
self.make_task('0000', 'a/c0/o0'),
|
|
self.make_task('0001', 'a/c1/o0'),
|
|
self.make_task('0000', 'a/c2/o2'),
|
|
self.make_task('0000', 'a/c0/o1'),
|
|
self.make_task('0001', 'a/c1/o1'),
|
|
self.make_task('0000', 'a/c2/o3'),
|
|
self.make_task('0001', 'a/c0/o2'),
|
|
self.make_task('0002', 'a/c2/o0'),
|
|
self.make_task('0001', 'a/c0/o3'),
|
|
self.make_task('0002', 'a/c2/o1'),
|
|
]
|
|
self.assertEqual(expected, result)
|
|
|
|
# all of the work to be done could be for different target containers
|
|
task_con_obj_list = [
|
|
# objects in 0000 timestamp container
|
|
self.make_task('0000', 'a/c0/o'),
|
|
self.make_task('0000', 'a/c1/o'),
|
|
self.make_task('0000', 'a/c2/o'),
|
|
self.make_task('0000', 'a/c3/o'),
|
|
# objects in 0001 timestamp container
|
|
self.make_task('0001', 'a/c4/o'),
|
|
self.make_task('0001', 'a/c5/o'),
|
|
self.make_task('0001', 'a/c6/o'),
|
|
self.make_task('0001', 'a/c7/o'),
|
|
# objects in 0002 timestamp container
|
|
self.make_task('0002', 'a/c8/o'),
|
|
self.make_task('0002', 'a/c9/o'),
|
|
]
|
|
result = list(x.round_robin_order(task_con_obj_list))
|
|
|
|
# in which case, we kind of hammer the task containers
|
|
self.assertEqual(task_con_obj_list, result)
|
|
|
|
def test_hash_mod(self):
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger)
|
|
mod_count = [0, 0, 0]
|
|
for i in range(1000):
|
|
name = 'obj%d' % i
|
|
mod = x.hash_mod(name, 3)
|
|
mod_count[mod] += 1
|
|
|
|
# 1000 names are well shuffled
|
|
self.assertGreater(mod_count[0], 300)
|
|
self.assertGreater(mod_count[1], 300)
|
|
self.assertGreater(mod_count[2], 300)
|
|
|
|
def test_iter_task_accounts_to_expire(self):
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger)
|
|
results = [_ for _ in x.iter_task_accounts_to_expire()]
|
|
self.assertEqual(results, [('.expiring_objects', 0, 1)])
|
|
|
|
self.conf['processes'] = '2'
|
|
self.conf['process'] = '1'
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger)
|
|
results = [_ for _ in x.iter_task_accounts_to_expire()]
|
|
self.assertEqual(results, [('.expiring_objects', 1, 2)])
|
|
|
|
def test_delete_at_time_of_task_container(self):
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger)
|
|
self.assertEqual(x.delete_at_time_of_task_container('0000'), 0)
|
|
self.assertEqual(x.delete_at_time_of_task_container('0001'), 1)
|
|
self.assertEqual(x.delete_at_time_of_task_container('1000'), 1000)
|
|
|
|
def test_run_once_nothing_to_do(self):
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger)
|
|
x.swift = 'throw error because a string does not have needed methods'
|
|
x.run_once()
|
|
self.assertEqual(x.logger.get_lines_for_level('error'),
|
|
["Unhandled exception: "])
|
|
log_args, log_kwargs = x.logger.log_dict['error'][0]
|
|
self.assertEqual(str(log_kwargs['exc_info'][1]),
|
|
"'str' object has no attribute 'get_account_info'")
|
|
|
|
def test_run_once_calls_report(self):
|
|
with mock.patch.object(self.expirer, 'pop_queue',
|
|
lambda a, c, o: None):
|
|
self.expirer.run_once()
|
|
self.assertEqual(
|
|
self.expirer.logger.get_lines_for_level('info'), [
|
|
'Pass beginning for task account .expiring_objects; '
|
|
'2 possible containers; 12 possible objects',
|
|
'Pass completed in 0s; 10 objects expired',
|
|
])
|
|
|
|
def test_skip_task_account_without_task_container(self):
|
|
fake_swift = FakeInternalClient({
|
|
# task account has no containers
|
|
'.expiring_objects': dict()
|
|
})
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger,
|
|
swift=fake_swift)
|
|
x.run_once()
|
|
self.assertEqual(
|
|
x.logger.get_lines_for_level('info'), [
|
|
'Pass completed in 0s; 0 objects expired',
|
|
])
|
|
|
|
def test_iter_task_to_expire(self):
|
|
# In this test, all tasks are assigned to the tested expirer
|
|
my_index = 0
|
|
divisor = 1
|
|
|
|
task_account_container_list = [('.expiring_objects', self.past_time)]
|
|
|
|
expected = [
|
|
self.make_task(self.past_time, target_path)
|
|
for target_path in self.expired_target_path_list]
|
|
|
|
self.assertEqual(
|
|
list(self.expirer.iter_task_to_expire(
|
|
task_account_container_list, my_index, divisor)),
|
|
expected)
|
|
|
|
# the task queue has invalid task object
|
|
invalid_aco_dict = deepcopy(self.fake_swift.aco_dict)
|
|
invalid_aco_dict['.expiring_objects'][self.past_time].insert(
|
|
0, self.past_time + '-invalid0')
|
|
invalid_aco_dict['.expiring_objects'][self.past_time].insert(
|
|
5, self.past_time + '-invalid1')
|
|
invalid_fake_swift = FakeInternalClient(invalid_aco_dict)
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger,
|
|
swift=invalid_fake_swift)
|
|
|
|
# but the invalid tasks are skipped
|
|
self.assertEqual(
|
|
list(x.iter_task_to_expire(
|
|
task_account_container_list, my_index, divisor)),
|
|
expected)
|
|
|
|
# test some of that async delete
|
|
async_delete_aco_dict = {
|
|
'.expiring_objects': {
|
|
# this task container will be checked
|
|
self.past_time: [
|
|
# tasks ready for execution
|
|
{'name': self.past_time + '-a0/c0/o0',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a1/c1/o1',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a2/c2/o2',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a3/c3/o3',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a4/c4/o4',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a5/c5/o5',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a6/c6/o6',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + '-a7/c7/o7',
|
|
'content_type': 'application/async-deleted'},
|
|
# task objects for unicode test
|
|
{'name': self.past_time + u'-a8/c8/o8\u2661',
|
|
'content_type': 'application/async-deleted'},
|
|
{'name': self.past_time + u'-a9/c9/o9\xf8',
|
|
'content_type': 'application/async-deleted'},
|
|
]
|
|
}
|
|
}
|
|
async_delete_fake_swift = FakeInternalClient(async_delete_aco_dict)
|
|
x = expirer.ObjectExpirer(self.conf, logger=self.logger,
|
|
swift=async_delete_fake_swift)
|
|
|
|
expected = [
|
|
self.make_task(self.past_time, target_path,
|
|
is_async_delete=True)
|
|
for target_path in self.expired_target_path_list]
|
|
|
|
self.assertEqual(
|
|
list(x.iter_task_to_expire(
|
|
task_account_container_list, my_index, divisor)),
|
|
expected)
|
|
|
|
def test_run_once_unicode_problem(self):
|
|
requests = []
|
|
|
|
def capture_requests(ipaddr, port, method, path, *args, **kwargs):
|
|
requests.append((method, path))
|
|
|
|
# 3 DELETE requests for each 10 executed task objects to pop_queue
|
|
code_list = [200] * 3 * 10
|
|
with mocked_http_conn(*code_list, give_connect=capture_requests):
|
|
self.expirer.run_once()
|
|
self.assertEqual(len(requests), 30)
|
|
|
|
def test_container_timestamp_break(self):
|
|
with mock.patch.object(self.fake_swift, 'iter_objects') as mock_method:
|
|
self.expirer.run_once()
|
|
|
|
# iter_objects is called only for past_time, not future_time
|
|
self.assertEqual(mock_method.call_args_list,
|
|
[mock.call('.expiring_objects', self.past_time)])
|
|
|
|
def test_object_timestamp_break(self):
|
|
with mock.patch.object(self.expirer, 'delete_actual_object') \
|
|
as mock_method, \
|
|
mock.patch.object(self.expirer, 'pop_queue'):
|
|
self.expirer.run_once()
|
|
|
|
# executed tasks are with past time
|
|
self.assertEqual(
|
|
mock_method.call_args_list,
|
|
[mock.call(target_path, self.past_time, False)
|
|
for target_path in self.expired_target_path_list])
|
|
|
|
def test_failed_delete_keeps_entry(self):
|
|
def deliberately_blow_up(actual_obj, timestamp):
|
|
raise Exception('failed to delete actual object')
|
|
|
|
# any tasks are not done
|
|
with mock.patch.object(self.expirer, 'delete_actual_object',
|
|
deliberately_blow_up), \
|
|
mock.patch.object(self.expirer, 'pop_queue') as mock_method:
|
|
self.expirer.run_once()
|
|
|
|
# no tasks are popped from the queue
|
|
self.assertEqual(mock_method.call_args_list, [])
|
|
|
|
# all tasks are done
|
|
with mock.patch.object(self.expirer, 'delete_actual_object',
|
|
lambda o, t, b: None), \
|
|
mock.patch.object(self.expirer, 'pop_queue') as mock_method:
|
|
self.expirer.run_once()
|
|
|
|
# all tasks are popped from the queue
|
|
self.assertEqual(
|
|
mock_method.call_args_list,
|
|
[mock.call('.expiring_objects', self.past_time,
|
|
self.past_time + '-' + target_path)
|
|
for target_path in self.expired_target_path_list])
|
|
|
|
def test_success_gets_counted(self):
|
|
self.assertEqual(self.expirer.report_objects, 0)
|
|
with mock.patch('swift.obj.expirer.MAX_OBJECTS_TO_CACHE', 0), \
|
|
mock.patch.object(self.expirer, 'delete_actual_object',
|
|
lambda o, t, b: None), \
|
|
mock.patch.object(self.expirer, 'pop_queue',
|
|
lambda a, c, o: None):
|
|
self.expirer.run_once()
|
|
self.assertEqual(self.expirer.report_objects, 10)
|
|
|
|
def test_delete_actual_object_gets_native_string(self):
|
|
got_str = [False]
|
|
|
|
def delete_actual_object_test_for_string(actual_obj, timestamp,
|
|
is_async_delete):
|
|
if isinstance(actual_obj, str):
|
|
got_str[0] = True
|
|
|
|
self.assertEqual(self.expirer.report_objects, 0)
|
|
|
|
with mock.patch.object(self.expirer, 'delete_actual_object',
|
|
delete_actual_object_test_for_string), \
|
|
mock.patch.object(self.expirer, 'pop_queue',
|
|
lambda a, c, o: None):
|
|
self.expirer.run_once()
|
|
|
|
self.assertEqual(self.expirer.report_objects, 10)
|
|
self.assertTrue(got_str[0])
|
|
|
|
def test_failed_delete_continues_on(self):
|
|
def fail_delete_container(*a, **kw):
|
|
raise Exception('failed to delete container')
|
|
|
|
def fail_delete_actual_object(actual_obj, timestamp, is_async_delete):
|
|
raise Exception('failed to delete actual object')
|
|
|
|
with mock.patch.object(self.fake_swift, 'delete_container',
|
|
fail_delete_container), \
|
|
mock.patch.object(self.expirer, 'delete_actual_object',
|
|
fail_delete_actual_object):
|
|
self.expirer.run_once()
|
|
|
|
error_lines = self.expirer.logger.get_lines_for_level('error')
|
|
|
|
self.assertEqual(error_lines, [
|
|
'Exception while deleting object %s %s %s '
|
|
'failed to delete actual object: ' % (
|
|
'.expiring_objects', self.past_time,
|
|
self.past_time + '-' + target_path)
|
|
for target_path in self.expired_target_path_list] + [
|
|
'Exception while deleting container %s %s '
|
|
'failed to delete container: ' % (
|
|
'.expiring_objects', self.past_time)])
|
|
self.assertEqual(self.expirer.logger.get_lines_for_level('info'), [
|
|
'Pass beginning for task account .expiring_objects; '
|
|
'2 possible containers; 12 possible objects',
|
|
'Pass completed in 0s; 0 objects expired',
|
|
])
|
|
|
|
def test_run_forever_initial_sleep_random(self):
|
|
global last_not_sleep
|
|
|
|
def raise_system_exit():
|
|
raise SystemExit('test_run_forever')
|
|
|
|
interval = 1234
|
|
x = expirer.ObjectExpirer({'__file__': 'unit_test',
|
|
'interval': interval})
|
|
with mock.patch.object(expirer, 'random', not_random), \
|
|
mock.patch.object(expirer, 'sleep', not_sleep), \
|
|
self.assertRaises(SystemExit) as caught:
|
|
x.run_once = raise_system_exit
|
|
x.run_forever()
|
|
self.assertEqual(str(caught.exception), 'test_run_forever')
|
|
self.assertEqual(last_not_sleep, 0.5 * interval)
|
|
|
|
def test_run_forever_catches_usual_exceptions(self):
|
|
raises = [0]
|
|
|
|
def raise_exceptions():
|
|
raises[0] += 1
|
|
if raises[0] < 2:
|
|
raise Exception('exception %d' % raises[0])
|
|
raise SystemExit('exiting exception %d' % raises[0])
|
|
|
|
x = expirer.ObjectExpirer({}, logger=self.logger)
|
|
orig_sleep = expirer.sleep
|
|
try:
|
|
expirer.sleep = not_sleep
|
|
x.run_once = raise_exceptions
|
|
x.run_forever()
|
|
except SystemExit as err:
|
|
self.assertEqual(str(err), 'exiting exception 2')
|
|
finally:
|
|
expirer.sleep = orig_sleep
|
|
self.assertEqual(x.logger.get_lines_for_level('error'),
|
|
['Unhandled exception: '])
|
|
log_args, log_kwargs = x.logger.log_dict['error'][0]
|
|
self.assertEqual(str(log_kwargs['exc_info'][1]),
|
|
'exception 1')
|
|
|
|
def test_delete_actual_object(self):
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = Timestamp('1234')
|
|
x.delete_actual_object('/path/to/object', ts, False)
|
|
self.assertEqual(got_env[0]['HTTP_X_IF_DELETE_AT'], ts)
|
|
self.assertEqual(got_env[0]['HTTP_X_TIMESTAMP'],
|
|
got_env[0]['HTTP_X_IF_DELETE_AT'])
|
|
self.assertEqual(
|
|
got_env[0]['HTTP_X_BACKEND_CLEAN_EXPIRING_OBJECT_QUEUE'], 'no')
|
|
|
|
def test_delete_actual_object_bulk(self):
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = Timestamp('1234')
|
|
x.delete_actual_object('/path/to/object', ts, True)
|
|
self.assertNotIn('HTTP_X_IF_DELETE_AT', got_env[0])
|
|
self.assertNotIn('HTTP_X_BACKEND_CLEAN_EXPIRING_OBJECT_QUEUE',
|
|
got_env[0])
|
|
self.assertEqual(got_env[0]['HTTP_X_TIMESTAMP'], ts.internal)
|
|
|
|
def test_delete_actual_object_nourlquoting(self):
|
|
# delete_actual_object should not do its own url quoting because
|
|
# internal client's make_request handles that.
|
|
got_env = [None]
|
|
|
|
def fake_app(env, start_response):
|
|
got_env[0] = env
|
|
start_response('204 No Content', [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = Timestamp('1234')
|
|
x.delete_actual_object('/path/to/object name', ts, False)
|
|
self.assertEqual(got_env[0]['HTTP_X_IF_DELETE_AT'], ts)
|
|
self.assertEqual(got_env[0]['HTTP_X_TIMESTAMP'],
|
|
got_env[0]['HTTP_X_IF_DELETE_AT'])
|
|
self.assertEqual(got_env[0]['PATH_INFO'], '/v1/path/to/object name')
|
|
|
|
def test_delete_actual_object_async_returns_expected_error(self):
|
|
def do_test(test_status, should_raise):
|
|
calls = [0]
|
|
|
|
def fake_app(env, start_response):
|
|
calls[0] += 1
|
|
calls.append(env['PATH_INFO'])
|
|
start_response(test_status, [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = Timestamp('1234')
|
|
if should_raise:
|
|
with self.assertRaises(internal_client.UnexpectedResponse):
|
|
x.delete_actual_object('/path/to/object', ts, True)
|
|
else:
|
|
x.delete_actual_object('/path/to/object', ts, True)
|
|
self.assertEqual(calls[0], 1, calls)
|
|
|
|
# object was deleted and tombstone reaped
|
|
do_test('404 Not Found', False)
|
|
# object was overwritten *after* the original delete, or
|
|
# object was deleted but tombstone still exists, or ...
|
|
do_test('409 Conflict', False)
|
|
# Anything else, raise
|
|
do_test('400 Bad Request', True)
|
|
|
|
def test_delete_actual_object_returns_expected_error(self):
|
|
def do_test(test_status, should_raise):
|
|
calls = [0]
|
|
|
|
def fake_app(env, start_response):
|
|
calls[0] += 1
|
|
start_response(test_status, [('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
ts = Timestamp('1234')
|
|
if should_raise:
|
|
with self.assertRaises(internal_client.UnexpectedResponse):
|
|
x.delete_actual_object('/path/to/object', ts, False)
|
|
else:
|
|
x.delete_actual_object('/path/to/object', ts, False)
|
|
self.assertEqual(calls[0], 1)
|
|
|
|
# object was deleted and tombstone reaped
|
|
do_test('404 Not Found', True)
|
|
# object was overwritten *after* the original expiration, or
|
|
do_test('409 Conflict', False)
|
|
# object was deleted but tombstone still exists, or
|
|
# object was overwritten ahead of the original expiration, or
|
|
# object was POSTed to with a new (or no) expiration, or ...
|
|
do_test('412 Precondition Failed', True)
|
|
|
|
def test_delete_actual_object_does_not_handle_odd_stuff(self):
|
|
|
|
def fake_app(env, start_response):
|
|
start_response(
|
|
'503 Internal Server Error',
|
|
[('Content-Length', '0')])
|
|
return []
|
|
|
|
internal_client.loadapp = lambda *a, **kw: fake_app
|
|
|
|
x = expirer.ObjectExpirer({})
|
|
exc = None
|
|
try:
|
|
x.delete_actual_object('/path/to/object', Timestamp('1234'), False)
|
|
except Exception as err:
|
|
exc = err
|
|
finally:
|
|
pass
|
|
self.assertEqual(503, exc.resp.status_int)
|
|
|
|
def test_delete_actual_object_quotes(self):
|
|
name = 'this name should get quoted'
|
|
timestamp = Timestamp('1366063156.863045')
|
|
x = expirer.ObjectExpirer({})
|
|
x.swift.make_request = mock.Mock()
|
|
x.swift.make_request.return_value.status_int = 204
|
|
x.delete_actual_object(name, timestamp, False)
|
|
self.assertEqual(x.swift.make_request.call_count, 1)
|
|
self.assertEqual(x.swift.make_request.call_args[0][1],
|
|
'/v1/' + urllib.parse.quote(name))
|
|
|
|
def test_delete_actual_object_queue_cleaning(self):
|
|
name = 'something'
|
|
timestamp = Timestamp('1515544858.80602')
|
|
x = expirer.ObjectExpirer({})
|
|
x.swift.make_request = mock.MagicMock()
|
|
x.delete_actual_object(name, timestamp, False)
|
|
self.assertEqual(x.swift.make_request.call_count, 1)
|
|
header = 'X-Backend-Clean-Expiring-Object-Queue'
|
|
self.assertEqual(
|
|
x.swift.make_request.call_args[0][2].get(header),
|
|
'no')
|
|
|
|
def test_pop_queue(self):
|
|
x = expirer.ObjectExpirer({}, logger=self.logger,
|
|
swift=FakeInternalClient({}))
|
|
requests = []
|
|
|
|
def capture_requests(ipaddr, port, method, path, *args, **kwargs):
|
|
requests.append((method, path))
|
|
with mocked_http_conn(
|
|
200, 200, 200, give_connect=capture_requests) as fake_conn:
|
|
x.pop_queue('a', 'c', 'o')
|
|
with self.assertRaises(StopIteration):
|
|
next(fake_conn.code_iter)
|
|
for method, path in requests:
|
|
self.assertEqual(method, 'DELETE')
|
|
device, part, account, container, obj = utils.split_path(
|
|
path, 5, 5, True)
|
|
self.assertEqual(account, 'a')
|
|
self.assertEqual(container, 'c')
|
|
self.assertEqual(obj, 'o')
|
|
|
|
def test_build_task_obj_round_trip(self):
|
|
ts = next(self.ts)
|
|
a = 'a1'
|
|
c = 'c2'
|
|
o = 'obj1'
|
|
args = (ts, a, c, o)
|
|
self.assertEqual(args, expirer.parse_task_obj(
|
|
expirer.build_task_obj(ts, a, c, o)))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|