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#!/usr/bin/python -u
# Copyright (c) 2010-2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unittest import main, TestCase
from uuid import uuid4
import os
import time
import shutil
from swiftclient import client
from swift.common.storage_policy import POLICIES
from swift.obj.diskfile import get_data_dir
from test.probe.common import kill_servers, reset_environment
from swift.common.utils import readconf
from swift.common.manager import Manager
def collect_info(path_list):
"""
Recursive collect dirs and files in path_list directory.
:param path_list: start directory for collecting
:return files_list, dir_list: tuple of included
directories and files
"""
files_list = []
dir_list = []
for path in path_list:
temp_files_list = []
temp_dir_list = []
for root, dirs, files in os.walk(path):
temp_files_list += files
temp_dir_list += dirs
files_list.append(temp_files_list)
dir_list.append(temp_dir_list)
return files_list, dir_list
def find_max_occupancy_node(dir_list):
"""
Find node with maximum occupancy.
:param list_dir: list of directories for each node.
:return number: number node in list_dir
"""
count = 0
number = 0
length = 0
for dirs in dir_list:
if length < len(dirs):
length = len(dirs)
number = count
count += 1
return number
class TestReplicatorFunctions(TestCase):
"""
Class for testing replicators and replication servers.
By default configuration - replication servers not used.
For testing separate replication servers servers need to change
ring's files using set_info command or new ring's files with
different port values.
"""
def setUp(self):
"""
Reset all environment and start all servers.
"""
(self.pids, self.port2server, self.account_ring, self.container_ring,
self.object_ring, self.policy, self.url, self.token,
self.account, self.configs) = reset_environment()
def tearDown(self):
"""
Stop all servers.
"""
kill_servers(self.port2server, self.pids)
def test_main(self):
# Create one account, container and object file.
# Find node with account, container and object replicas.
# Delete all directories and files from this node (device).
# Wait 60 seconds and check replication results.
# Delete directories and files in objects storage without
# deleting file "hashes.pkl".
# Check, that files not replicated.
# Delete file "hashes.pkl".
# Check, that all files were replicated.
path_list = []
data_dir = get_data_dir(POLICIES.default.idx)
# Figure out where the devices are
for node_id in range(1, 5):
conf = readconf(self.configs['object-server'][node_id])
device_path = conf['app:object-server']['devices']
for dev in self.object_ring.devs:
if dev['port'] == int(conf['app:object-server']['bind_port']):
device = dev['device']
path_list.append(os.path.join(device_path, device))
# Put data to storage nodes
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container)
obj = 'object-%s' % uuid4()
client.put_object(self.url, self.token, container, obj, 'VERIFY')
# Get all data file information
(files_list, dir_list) = collect_info(path_list)
num = find_max_occupancy_node(dir_list)
test_node = path_list[num]
test_node_files_list = []
for files in files_list[num]:
if not files.endswith('.pending'):
test_node_files_list.append(files)
test_node_dir_list = []
for d in dir_list[num]:
if not d.startswith('tmp'):
test_node_dir_list.append(d)
# Run all replicators
try:
Manager(['object-replicator', 'container-replicator',
'account-replicator']).start()
# Delete some files
for directory in os.listdir(test_node):
shutil.rmtree(os.path.join(test_node, directory))
self.assertFalse(os.listdir(test_node))
# We will keep trying these tests until they pass for up to 60s
begin = time.time()
while True:
(new_files_list, new_dir_list) = collect_info([test_node])
try:
# Check replicate files and dir
for files in test_node_files_list:
self.assertTrue(files in new_files_list[0])
for dir in test_node_dir_list:
self.assertTrue(dir in new_dir_list[0])
break
except Exception:
if time.time() - begin > 60:
raise
time.sleep(1)
# Check behavior by deleting hashes.pkl file
for directory in os.listdir(os.path.join(test_node, data_dir)):
for input_dir in os.listdir(os.path.join(
test_node, data_dir, directory)):
if os.path.isdir(os.path.join(
test_node, data_dir, directory, input_dir)):
shutil.rmtree(os.path.join(
test_node, data_dir, directory, input_dir))
# We will keep trying these tests until they pass for up to 60s
begin = time.time()
while True:
try:
for directory in os.listdir(os.path.join(
test_node, data_dir)):
for input_dir in os.listdir(os.path.join(
test_node, data_dir, directory)):
self.assertFalse(os.path.isdir(
os.path.join(test_node, data_dir,
directory, '/', input_dir)))
break
except Exception:
if time.time() - begin > 60:
raise
time.sleep(1)
for directory in os.listdir(os.path.join(test_node, data_dir)):
os.remove(os.path.join(
test_node, data_dir, directory, 'hashes.pkl'))
# We will keep trying these tests until they pass for up to 60s
begin = time.time()
while True:
try:
(new_files_list, new_dir_list) = collect_info([test_node])
# Check replicate files and dirs
for files in test_node_files_list:
self.assertTrue(files in new_files_list[0])
for directory in test_node_dir_list:
self.assertTrue(directory in new_dir_list[0])
break
except Exception:
if time.time() - begin > 60:
raise
time.sleep(1)
finally:
Manager(['object-replicator', 'container-replicator',
'account-replicator']).stop()
if __name__ == '__main__':
main()
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