52b102163e
Because of the object-server's interaction with ssync sender's X-Backend-Replication-Headers when a object (or fragment archive) is pushed unmodified to another node it's ETag value is duped into the recieving ends metadata as Etag. This interacts poorly with the reconstructor's RebuildingECDiskFileStream which can not know ahead of time the ETag of the fragment archive being rebuilt. Don't send the Etag from the local source fragment archive being used as the basis for the rebuilt fragent archive's metadata along to ssync. Change-Id: Ie59ad93a67a7f439c9a84cd9cff31540f97f334a
351 lines
13 KiB
Python
351 lines
13 KiB
Python
# Copyright (c) 2010-2012 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 httplib import HTTPConnection
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import os
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from subprocess import Popen, PIPE
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import sys
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from time import sleep, time
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from collections import defaultdict
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import unittest
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from nose import SkipTest
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from swiftclient import get_auth, head_account
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from swift.obj.diskfile import get_data_dir
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from swift.common.ring import Ring
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from swift.common.utils import readconf
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from swift.common.manager import Manager
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from swift.common.storage_policy import POLICIES, EC_POLICY, REPL_POLICY
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from test.probe import CHECK_SERVER_TIMEOUT, VALIDATE_RSYNC
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ENABLED_POLICIES = [p for p in POLICIES if not p.is_deprecated]
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POLICIES_BY_TYPE = defaultdict(list)
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for p in POLICIES:
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POLICIES_BY_TYPE[p.policy_type].append(p)
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def get_server_number(port, port2server):
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server_number = port2server[port]
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server, number = server_number[:-1], server_number[-1:]
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try:
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number = int(number)
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except ValueError:
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# probably the proxy
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return server_number, None
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return server, number
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def start_server(port, port2server, pids, check=True):
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server, number = get_server_number(port, port2server)
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err = Manager([server]).start(number=number, wait=False)
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if err:
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raise Exception('unable to start %s' % (
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server if not number else '%s%s' % (server, number)))
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if check:
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return check_server(port, port2server, pids)
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return None
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def check_server(port, port2server, pids, timeout=CHECK_SERVER_TIMEOUT):
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server = port2server[port]
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if server[:-1] in ('account', 'container', 'object'):
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if int(server[-1]) > 4:
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return None
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path = '/connect/1/2'
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if server[:-1] == 'container':
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path += '/3'
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elif server[:-1] == 'object':
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path += '/3/4'
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try_until = time() + timeout
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while True:
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try:
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conn = HTTPConnection('127.0.0.1', port)
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conn.request('GET', path)
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resp = conn.getresponse()
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# 404 because it's a nonsense path (and mount_check is false)
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# 507 in case the test target is a VM using mount_check
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if resp.status not in (404, 507):
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raise Exception(
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'Unexpected status %s' % resp.status)
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break
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except Exception as err:
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if time() > try_until:
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print err
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print 'Giving up on %s:%s after %s seconds.' % (
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server, port, timeout)
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raise err
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sleep(0.1)
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else:
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try_until = time() + timeout
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while True:
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try:
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url, token = get_auth('http://127.0.0.1:8080/auth/v1.0',
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'test:tester', 'testing')
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account = url.split('/')[-1]
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head_account(url, token)
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return url, token, account
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except Exception as err:
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if time() > try_until:
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print err
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print 'Giving up on proxy:8080 after 30 seconds.'
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raise err
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sleep(0.1)
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return None
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def kill_server(port, port2server, pids):
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server, number = get_server_number(port, port2server)
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err = Manager([server]).kill(number=number)
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if err:
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raise Exception('unable to kill %s' % (server if not number else
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'%s%s' % (server, number)))
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try_until = time() + 30
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while True:
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try:
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conn = HTTPConnection('127.0.0.1', port)
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conn.request('GET', '/')
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conn.getresponse()
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except Exception as err:
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break
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if time() > try_until:
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raise Exception(
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'Still answering on port %s after 30 seconds' % port)
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sleep(0.1)
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def kill_nonprimary_server(primary_nodes, port2server, pids):
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primary_ports = [n['port'] for n in primary_nodes]
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for port, server in port2server.iteritems():
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if port in primary_ports:
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server_type = server[:-1]
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break
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else:
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raise Exception('Cannot figure out server type for %r' % primary_nodes)
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for port, server in list(port2server.iteritems()):
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if server[:-1] == server_type and port not in primary_ports:
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kill_server(port, port2server, pids)
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return port
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def build_port_to_conf(server):
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# map server to config by port
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port_to_config = {}
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for server_ in Manager([server]):
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for config_path in server_.conf_files():
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conf = readconf(config_path,
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section_name='%s-replicator' % server_.type)
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port_to_config[int(conf['bind_port'])] = conf
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return port_to_config
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def get_ring(ring_name, required_replicas, required_devices,
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server=None, force_validate=None):
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if not server:
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server = ring_name
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ring = Ring('/etc/swift', ring_name=ring_name)
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if not VALIDATE_RSYNC and not force_validate:
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return ring
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# easy sanity checks
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if ring.replica_count != required_replicas:
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raise SkipTest('%s has %s replicas instead of %s' % (
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ring.serialized_path, ring.replica_count, required_replicas))
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if len(ring.devs) != required_devices:
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raise SkipTest('%s has %s devices instead of %s' % (
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ring.serialized_path, len(ring.devs), required_devices))
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port_to_config = build_port_to_conf(server)
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for dev in ring.devs:
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# verify server is exposing mounted device
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conf = port_to_config[dev['port']]
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for device in os.listdir(conf['devices']):
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if device == dev['device']:
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dev_path = os.path.join(conf['devices'], device)
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full_path = os.path.realpath(dev_path)
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if not os.path.exists(full_path):
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raise SkipTest(
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'device %s in %s was not found (%s)' %
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(device, conf['devices'], full_path))
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break
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else:
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raise SkipTest(
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"unable to find ring device %s under %s's devices (%s)" % (
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dev['device'], server, conf['devices']))
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# verify server is exposing rsync device
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if port_to_config[dev['port']].get('vm_test_mode', False):
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rsync_export = '%s%s' % (server, dev['replication_port'])
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else:
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rsync_export = server
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cmd = "rsync rsync://localhost/%s" % rsync_export
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p = Popen(cmd, shell=True, stdout=PIPE)
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stdout, _stderr = p.communicate()
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if p.returncode:
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raise SkipTest('unable to connect to rsync '
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'export %s (%s)' % (rsync_export, cmd))
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for line in stdout.splitlines():
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if line.rsplit(None, 1)[-1] == dev['device']:
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break
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else:
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raise SkipTest("unable to find ring device %s under rsync's "
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"exported devices for %s (%s)" %
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(dev['device'], rsync_export, cmd))
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return ring
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def get_policy(**kwargs):
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kwargs.setdefault('is_deprecated', False)
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# go through the policies and make sure they match the
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# requirements of kwargs
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for policy in POLICIES:
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# TODO: for EC, pop policy type here and check it first
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matches = True
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for key, value in kwargs.items():
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try:
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if getattr(policy, key) != value:
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matches = False
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except AttributeError:
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matches = False
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if matches:
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return policy
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raise SkipTest('No policy matching %s' % kwargs)
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class ProbeTest(unittest.TestCase):
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"""
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Don't instantiate this directly, use a child class instead.
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"""
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def setUp(self):
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p = Popen("resetswift 2>&1", shell=True, stdout=PIPE)
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stdout, _stderr = p.communicate()
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print stdout
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Manager(['all']).stop()
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self.pids = {}
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try:
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self.account_ring = get_ring(
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'account',
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self.acct_cont_required_replicas,
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self.acct_cont_required_devices)
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self.container_ring = get_ring(
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'container',
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self.acct_cont_required_replicas,
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self.acct_cont_required_devices)
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self.policy = get_policy(**self.policy_requirements)
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self.object_ring = get_ring(
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self.policy.ring_name,
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self.obj_required_replicas,
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self.obj_required_devices,
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server='object')
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Manager(['main']).start(wait=False)
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self.port2server = {}
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for server, port in [('account', 6002), ('container', 6001),
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('object', 6000)]:
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for number in xrange(1, 9):
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self.port2server[port + (number * 10)] = \
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'%s%d' % (server, number)
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for port in self.port2server:
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check_server(port, self.port2server, self.pids)
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self.port2server[8080] = 'proxy'
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self.url, self.token, self.account = \
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check_server(8080, self.port2server, self.pids)
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self.configs = defaultdict(dict)
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for name in ('account', 'container', 'object'):
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for server_name in (name, '%s-replicator' % name):
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for server in Manager([server_name]):
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for i, conf in enumerate(server.conf_files(), 1):
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self.configs[server.server][i] = conf
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self.replicators = Manager(
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['account-replicator', 'container-replicator',
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'object-replicator'])
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self.updaters = Manager(['container-updater', 'object-updater'])
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self.server_port_to_conf = {}
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# get some configs backend daemon configs loaded up
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for server in ('account', 'container', 'object'):
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self.server_port_to_conf[server] = build_port_to_conf(server)
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except BaseException:
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try:
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raise
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finally:
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try:
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Manager(['all']).kill()
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except Exception:
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pass
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def tearDown(self):
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Manager(['all']).kill()
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def device_dir(self, server, node):
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conf = self.server_port_to_conf[server][node['port']]
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return os.path.join(conf['devices'], node['device'])
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def storage_dir(self, server, node, part=None, policy=None):
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policy = policy or self.policy
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device_path = self.device_dir(server, node)
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path_parts = [device_path, get_data_dir(policy)]
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if part is not None:
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path_parts.append(str(part))
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return os.path.join(*path_parts)
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def config_number(self, node):
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_server_type, config_number = get_server_number(
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node['port'], self.port2server)
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return config_number
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def get_to_final_state(self):
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# these .stop()s are probably not strictly necessary,
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# but may prevent race conditions
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self.replicators.stop()
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self.updaters.stop()
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self.replicators.once()
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self.updaters.once()
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self.replicators.once()
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class ReplProbeTest(ProbeTest):
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acct_cont_required_replicas = 3
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acct_cont_required_devices = 4
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obj_required_replicas = 3
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obj_required_devices = 4
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policy_requirements = {'policy_type': REPL_POLICY}
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class ECProbeTest(ProbeTest):
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acct_cont_required_replicas = 3
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acct_cont_required_devices = 4
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obj_required_replicas = 6
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obj_required_devices = 8
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policy_requirements = {'policy_type': EC_POLICY}
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if __name__ == "__main__":
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for server in ('account', 'container'):
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try:
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get_ring(server, 3, 4,
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force_validate=True)
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except SkipTest as err:
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sys.exit('%s ERROR: %s' % (server, err))
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print '%s OK' % server
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for policy in POLICIES:
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try:
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get_ring(policy.ring_name, 3, 4,
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server='object', force_validate=True)
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except SkipTest as err:
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sys.exit('object ERROR (%s): %s' % (policy.name, err))
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print 'object OK (%s)' % policy.name
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