openstack/swift
Code Issues Proposed changes

fix object replication on older rsync versions when using ipv4

Browse Source 
Fixes bug 987388

Change-Id: I6eb5c45fe1f5844ad853a4ff9bc8fd23cc9abd5d
This commit is contained in:
Ionuț Arțăriși
2012-06-04 13:27:39 +02:00
parent 54072cc951
commit 9af3df9ee8
5 changed files with 49 additions and 13 deletions
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7
swift/common/db_replicator.py
View File

@@ -32,7 +32,7 @@ from webob.exc import HTTPNotFound, HTTPNoContent, HTTPAccepted, \
import swift.common.db
from swift.common.utils import get_logger, whataremyips, storage_directory, \
renamer, mkdirs, lock_parent_directory, TRUE_VALUES, unlink_older_than, \
dump_recon_cache
dump_recon_cache, rsync_ip
from swift.common import ring
from swift.common.bufferedhttp import BufferedHTTPConnection
from swift.common.exceptions import DriveNotMounted, ConnectionTimeout
@@ -193,12 +193,13 @@ class Replicator(Daemon):
:param replicate_method: remote operation to perform after rsync
:param replicate_timeout: timeout to wait in seconds
"""
device_ip = rsync_ip(device['ip'])
if self.vm_test_mode:
remote_file = '[%s]::%s%s/%s/tmp/%s' % (device['ip'],
remote_file = '%s::%s%s/%s/tmp/%s' % (device_ip,
self.server_type, device['port'], device['device'],
local_id)
else:
remote_file = '[%s]::%s/%s/tmp/%s' % (device['ip'],
remote_file = '%s::%s/%s/tmp/%s' % (device_ip,
self.server_type, device['device'], local_id)
mtime = os.path.getmtime(broker.db_file)
if not self._rsync_file(broker.db_file, remote_file):

19
swift/common/utils.py
View File

@@ -1261,3 +1261,22 @@ def public(func):
def wrapped(*a, **kw):
return func(*a, **kw)
return wrapped
def rsync_ip(ip):
"""
Transform ip string to an rsync-compatible form
Will return ipv4 addresses unchanged, but will nest ipv6 addresses
inside square brackets.
:param ip: an ip string (ipv4 or ipv6)
:returns: a string ip address
"""
try:
socket.inet_pton(socket.AF_INET6, ip)
except socket.error: # it's IPv4
return ip
else:
return '[%s]' % ip

8
swift/obj/replicator.py
View File

@@ -32,7 +32,8 @@ from eventlet.support.greenlets import GreenletExit
from swift.common.ring import Ring
from swift.common.utils import whataremyips, unlink_older_than, lock_path, \
compute_eta, get_logger, write_pickle, renamer, dump_recon_cache
compute_eta, get_logger, write_pickle, renamer, dump_recon_cache, \
rsync_ip
from swift.common.bufferedhttp import http_connect
from swift.common.daemon import Daemon
from swift.common.http import HTTP_OK, HTTP_INSUFFICIENT_STORAGE
@@ -315,10 +316,11 @@ class ObjectReplicator(Daemon):
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
]
node_ip = rsync_ip(node['ip'])
if self.vm_test_mode:
rsync_module = '[%s]::object%s' % (node['ip'], node['port'])
rsync_module = '%s::object%s' % (node_ip, node['port'])
else:
rsync_module = '[%s]::object' % node['ip']
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)

12
test/unit/common/test_utils.py
View File

@@ -860,6 +860,18 @@ log_name = %(yarr)s'''
self.assertFalse(utils.streq_const_time('a', 'aaaaa'))
self.assertFalse(utils.streq_const_time('ABC123', 'abc123'))
def test_rsync_ip_ipv4_localhost(self):
self.assertEqual(utils.rsync_ip('127.0.0.1'), '127.0.0.1')
def test_rsync_ip_ipv6_random_ip(self):
self.assertEqual(
utils.rsync_ip('fe80:0000:0000:0000:0202:b3ff:fe1e:8329'),
'[fe80:0000:0000:0000:0202:b3ff:fe1e:8329]')
def test_rsync_ip_ipv6_ipv4_compatible(self):
self.assertEqual(
utils.rsync_ip('::ffff:192.0.2.128'), '[::ffff:192.0.2.128]')
class TestStatsdLogging(unittest.TestCase):
def test_get_logger_statsd_client_not_specified(self):

16
test/unit/obj/test_replicator.py
View File

@@ -118,8 +118,10 @@ def _create_test_ring(path):
{'id': 2, 'device': 'sda', 'zone': 2, 'ip': '127.0.0.2', 'port': 6000},
{'id': 3, 'device': 'sda', 'zone': 4, 'ip': '127.0.0.3', 'port': 6000},
{'id': 4, 'device': 'sda', 'zone': 5, 'ip': '127.0.0.4', 'port': 6000},
{'id': 5, 'device': 'sda', 'zone': 6, 'ip': '127.0.0.5', 'port': 6000},
{'id': 6, 'device': 'sda', 'zone': 7, 'ip': '127.0.0.6', 'port': 6000},
{'id': 5, 'device': 'sda', 'zone': 6,
'ip': 'fe80::202:b3ff:fe1e:8329', 'port': 6000},
{'id': 6, 'device': 'sda', 'zone': 7,
'ip': '2001:0db8:85a3:0000:0000:8a2e:0370:7334', 'port': 6000},
]
intended_part_shift = 30
intended_reload_time = 15
@@ -180,7 +182,7 @@ class TestObjectReplicator(unittest.TestCase):
self.ring.get_part_nodes(int(cur_part)) \
if node['ip'] not in _ips()]
for node in nodes:
rsync_mod = '[%s]::object/sda/objects/%s' % (node['ip'], cur_part)
rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], cur_part)
process_arg_checker.append(
(0, '', ['rsync', whole_path_from, rsync_mod]))
with _mock_process(process_arg_checker):
@@ -387,8 +389,8 @@ class TestObjectReplicator(unittest.TestCase):
self.ring.get_part_nodes(int(cur_part)) \
if node['ip'] not in _ips()]
for node in nodes:
rsync_mod = '[%s]::object/sda/objects/%s' % (node['ip'],
cur_part)
rsync_mod = '%s::object/sda/objects/%s' % (node['ip'],
cur_part)
process_arg_checker.append(
(0, '', ['rsync', whole_path_from, rsync_mod]))
self.assertTrue(os.access(os.path.join(self.objects,
@@ -451,8 +453,8 @@ class TestObjectReplicator(unittest.TestCase):
self.ring.get_part_nodes(int(cur_part)) \
if node['ip'] not in _ips()]
for node in nodes:
rsync_mod = '[%s]::object/sda/objects/%s' % (node['ip'],
cur_part)
rsync_mod = '%s::object/sda/objects/%s' % (node['ip'],
cur_part)
process_arg_checker.append(
(0, '', ['rsync', whole_path_from, rsync_mod]))
self.assertTrue(os.access(os.path.join(self.objects,