def setUp(self):
self.testdir = os.path.join(mkdtemp(), "tmp_test_object_auditor")
self.devices = os.path.join(self.testdir, "node")
self.rcache = os.path.join(self.testdir, "object.recon")
self.logger = FakeLogger()
rmtree(self.testdir, ignore_errors=1)
mkdirs(os.path.join(self.devices, "sda"))
os.mkdir(os.path.join(self.devices, "sdb"))
# policy 0
self.objects = os.path.join(self.devices, "sda", get_data_dir(POLICIES[0]))
self.objects_2 = os.path.join(self.devices, "sdb", get_data_dir(POLICIES[0]))
os.mkdir(self.objects)
# policy 1
self.objects_p1 = os.path.join(self.devices, "sda", get_data_dir(POLICIES[1]))
self.objects_2_p1 = os.path.join(self.devices, "sdb", get_data_dir(POLICIES[1]))
os.mkdir(self.objects_p1)
self.parts = self.parts_p1 = {}
for part in ["0", "1", "2", "3"]:
self.parts[part] = os.path.join(self.objects, part)
self.parts_p1[part] = os.path.join(self.objects_p1, part)
os.mkdir(os.path.join(self.objects, part))
os.mkdir(os.path.join(self.objects_p1, part))
self.conf = dict(devices=self.devices, mount_check="false", object_size_stats="10,100,1024,10240")
self.df_mgr = DiskFileManager(self.conf, self.logger)
# diskfiles for policy 0, 1
self.disk_file = self.df_mgr.get_diskfile("sda", "0", "a", "c", "o", policy=POLICIES[0])
self.disk_file_p1 = self.df_mgr.get_diskfile("sda", "0", "a", "c", "o", policy=POLICIES[1])
def setUp(self):
utils.HASH_PATH_SUFFIX = 'endcap'
utils.HASH_PATH_PREFIX = ''
# Setup a test ring (stolen from common/test_ring.py)
self.testdir = tempfile.mkdtemp()
self.devices = os.path.join(self.testdir, 'node')
rmtree(self.testdir, ignore_errors=1)
os.mkdir(self.testdir)
os.mkdir(self.devices)
os.mkdir(os.path.join(self.devices, 'sda'))
self.objects = os.path.join(self.devices, 'sda',
diskfile.get_data_dir(0))
self.objects_1 = os.path.join(self.devices, 'sda',
diskfile.get_data_dir(1))
os.mkdir(self.objects)
os.mkdir(self.objects_1)
self.parts = {}
self.parts_1 = {}
for part in ['0', '1', '2', '3']:
self.parts[part] = os.path.join(self.objects, part)
os.mkdir(os.path.join(self.objects, part))
self.parts_1[part] = os.path.join(self.objects_1, part)
os.mkdir(os.path.join(self.objects_1, part))
_create_test_rings(self.testdir)
self.conf = dict(
swift_dir=self.testdir, devices=self.devices, mount_check='false',
timeout='300', stats_interval='1')
self.replicator = object_replicator.ObjectReplicator(self.conf)
self.replicator.logger = FakeLogger()
self.df_mgr = diskfile.DiskFileManager(self.conf,
self.replicator.logger)
def setUp(self):
self.testdir = os.path.join(mkdtemp(), 'tmp_test_object_auditor')
self.devices = os.path.join(self.testdir, 'node')
self.rcache = os.path.join(self.testdir, 'object.recon')
self.logger = FakeLogger()
rmtree(self.testdir, ignore_errors=1)
mkdirs(os.path.join(self.devices, 'sda'))
os.mkdir(os.path.join(self.devices, 'sdb'))
# policy 0
self.objects = os.path.join(self.devices, 'sda', get_data_dir(0))
self.objects_2 = os.path.join(self.devices, 'sdb', get_data_dir(0))
os.mkdir(self.objects)
# policy 1
self.objects_p1 = os.path.join(self.devices, 'sda', get_data_dir(1))
self.objects_2_p1 = os.path.join(self.devices, 'sdb', get_data_dir(1))
os.mkdir(self.objects_p1)
self.parts = self.parts_p1 = {}
for part in ['0', '1', '2', '3']:
self.parts[part] = os.path.join(self.objects, part)
self.parts_p1[part] = os.path.join(self.objects_p1, part)
os.mkdir(os.path.join(self.objects, part))
os.mkdir(os.path.join(self.objects_p1, part))
self.conf = dict(
devices=self.devices,
mount_check='false',
object_size_stats='10,100,1024,10240')
self.df_mgr = DiskFileManager(self.conf, self.logger)
# diskfiles for policy 0, 1
self.disk_file = self.df_mgr.get_diskfile('sda', '0', 'a', 'c', 'o', 0)
self.disk_file_p1 = self.df_mgr.get_diskfile('sda', '0', 'a', 'c',
'o', 1)
def storage_dir(self, server, node, part=None, policy=None):
policy = policy or self.policy
device_path = self.device_dir(server, node)
path_parts = [device_path, get_data_dir(policy)]
if part is not None:
path_parts.append(str(part))
return os.path.join(*path_parts)
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job["path"]):
return False
args = [
"rsync",
"--recursive",
"--whole-file",
"--human-readable",
"--xattrs",
"--itemize-changes",
"--ignore-existing",
"--timeout=%s" % self.rsync_io_timeout,
"--contimeout=%s" % self.rsync_io_timeout,
"--bwlimit=%s" % self.rsync_bwlimit,
]
node_ip = rsync_ip(node["replication_ip"])
if self.vm_test_mode:
rsync_module = "%s::object%s" % (node_ip, node["replication_port"])
else:
rsync_module = "%s::object" % node_ip
had_any = False
for suffix in suffixes:
spath = join(job["path"], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False
data_dir = get_data_dir(job["policy_idx"])
args.append(join(rsync_module, node["device"], data_dir, job["partition"]))
return self._rsync(args) == 0
def setup_bad_zero_byte(self, with_ts=False):
self.auditor = auditor.ObjectAuditor(self.conf)
self.auditor.log_time = 0
ts_file_path = ''
if with_ts:
name_hash = hash_path('a', 'c', 'o')
dir_path = os.path.join(
self.devices, 'sda',
storage_directory(get_data_dir(0), '0', name_hash))
ts_file_path = os.path.join(dir_path, '99999.ts')
if not os.path.exists(dir_path):
mkdirs(dir_path)
fp = open(ts_file_path, 'w')
write_metadata(fp, {'X-Timestamp': '99999', 'name': '/a/c/o'})
fp.close()
etag = md5()
with self.disk_file.create() as writer:
etag = etag.hexdigest()
metadata = {
'ETag': etag,
'X-Timestamp': str(normalize_timestamp(time.time())),
'Content-Length': 10,
}
writer.put(metadata)
etag = md5()
etag = etag.hexdigest()
metadata['ETag'] = etag
write_metadata(writer._fd, metadata)
return ts_file_path
def relink(swift_dir='/etc/swift',
devices='/srv/node',
skip_mount_check=False,
logger=logging.getLogger(),
device=None):
mount_check = not skip_mount_check
run = False
relinked = errors = 0
for policy in POLICIES:
policy.object_ring = None # Ensure it will be reloaded
policy.load_ring(swift_dir)
part_power = policy.object_ring.part_power
next_part_power = policy.object_ring.next_part_power
if not next_part_power or next_part_power == part_power:
continue
logging.info('Relinking files for policy %s under %s', policy.name,
devices)
run = True
datadir = diskfile.get_data_dir(policy)
locks = [None]
states = {}
relink_devices_filter = partial(devices_filter, device)
relink_hook_pre_device = partial(hook_pre_device, locks, states,
datadir)
relink_hook_post_device = partial(hook_post_device, locks)
relink_partition_filter = partial(partitions_filter, states,
STEP_RELINK, part_power,
next_part_power)
relink_hook_post_partition = partial(hook_post_partition, states,
STEP_RELINK)
relink_hashes_filter = partial(hashes_filter, next_part_power)
locations = audit_location_generator(
devices,
datadir,
mount_check=mount_check,
devices_filter=relink_devices_filter,
hook_pre_device=relink_hook_pre_device,
hook_post_device=relink_hook_post_device,
partitions_filter=relink_partition_filter,
hook_post_partition=relink_hook_post_partition,
hashes_filter=relink_hashes_filter)
for fname, _, _ in locations:
newfname = replace_partition_in_path(fname, next_part_power)
try:
diskfile.relink_paths(fname, newfname, check_existing=True)
relinked += 1
except OSError as exc:
errors += 1
logger.warning("Relinking %s to %s failed: %s", fname,
newfname, exc)
if not run:
logger.warning("No policy found to increase the partition power.")
return 2
logging.info('Relinked %d diskfiles (%d errors)', relinked, errors)
if errors > 0:
return 1
return 0
def storage_dir(self, server, node, part=None, policy=None):
policy = policy or self.policy
device_path = self.device_dir(server, node)
path_parts = [device_path, get_data_dir(policy)]
if part is not None:
path_parts.append(str(part))
return os.path.join(*path_parts)
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job["path"]):
return False, {}
args = [
"rsync",
"--recursive",
"--whole-file",
"--human-readable",
"--xattrs",
"--itemize-changes",
"--ignore-existing",
"--timeout=%s" % self.rsync_io_timeout,
"--contimeout=%s" % self.rsync_io_timeout,
"--bwlimit=%s" % self.rsync_bwlimit,
]
if self.rsync_compress and job["region"] != node["region"]:
# Allow for compression, but only if the remote node is in
# a different region than the local one.
args.append("--compress")
rsync_module = rsync_module_interpolation(self.rsync_module, node)
had_any = False
for suffix in suffixes:
spath = join(job["path"], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, {}
data_dir = get_data_dir(job["policy"])
args.append(join(rsync_module, node["device"], data_dir, job["partition"]))
return self._rsync(args) == 0, {}
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job['path']):
return False, {}
args = [
'rsync', '--recursive', '--whole-file', '--human-readable',
'--xattrs', '--itemize-changes', '--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
'--exclude=.*.%s' % ''.join('[0-9a-zA-Z]' for i in range(6))
]
if self.rsync_compress and \
job['region'] != node['region']:
# Allow for compression, but only if the remote node is in
# a different region than the local one.
args.append('--compress')
rsync_module = rsync_module_interpolation(self.rsync_module, node)
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, {}
data_dir = get_data_dir(job['policy'])
args.append(
join(rsync_module, node['device'], data_dir, job['partition']))
return self._rsync(args) == 0, {}
def setup_bad_zero_byte(self, with_ts=False):
self.auditor = auditor.ObjectAuditor(self.conf)
self.auditor.log_time = 0
ts_file_path = ''
if with_ts:
name_hash = hash_path('a', 'c', 'o')
dir_path = os.path.join(
self.devices, 'sda',
storage_directory(get_data_dir(0), '0', name_hash))
ts_file_path = os.path.join(dir_path, '99999.ts')
if not os.path.exists(dir_path):
mkdirs(dir_path)
fp = open(ts_file_path, 'w')
write_metadata(fp, {'X-Timestamp': '99999', 'name': '/a/c/o'})
fp.close()
etag = md5()
with self.disk_file.create() as writer:
etag = etag.hexdigest()
metadata = {
'ETag': etag,
'X-Timestamp': str(normalize_timestamp(time.time())),
'Content-Length': 10,
}
writer.put(metadata)
etag = md5()
etag = etag.hexdigest()
metadata['ETag'] = etag
write_metadata(writer._fd, metadata)
return ts_file_path
def setUp(self):
self.testdir = os.path.join(mkdtemp(), 'tmp_test_object_auditor')
self.devices = os.path.join(self.testdir, 'node')
self.rcache = os.path.join(self.testdir, 'object.recon')
self.logger = FakeLogger()
rmtree(self.testdir, ignore_errors=1)
mkdirs(os.path.join(self.devices, 'sda'))
os.mkdir(os.path.join(self.devices, 'sdb'))
# policy 0
self.objects = os.path.join(self.devices, 'sda',
get_data_dir(POLICIES[0]))
self.objects_2 = os.path.join(self.devices, 'sdb',
get_data_dir(POLICIES[0]))
os.mkdir(self.objects)
# policy 1
self.objects_p1 = os.path.join(self.devices, 'sda',
get_data_dir(POLICIES[1]))
self.objects_2_p1 = os.path.join(self.devices, 'sdb',
get_data_dir(POLICIES[1]))
os.mkdir(self.objects_p1)
self.parts = self.parts_p1 = {}
for part in ['0', '1', '2', '3']:
self.parts[part] = os.path.join(self.objects, part)
self.parts_p1[part] = os.path.join(self.objects_p1, part)
os.mkdir(os.path.join(self.objects, part))
os.mkdir(os.path.join(self.objects_p1, part))
self.conf = dict(devices=self.devices,
mount_check='false',
object_size_stats='10,100,1024,10240')
self.df_mgr = DiskFileManager(self.conf, self.logger)
# diskfiles for policy 0, 1
self.disk_file = self.df_mgr.get_diskfile('sda',
'0',
'a',
'c',
'o',
policy=POLICIES[0])
self.disk_file_p1 = self.df_mgr.get_diskfile('sda',
'0',
'a',
'c',
'o',
policy=POLICIES[1])
def collect_parts(self, override_devices=None, override_partitions=None):
"""
Helper for yielding partitions in the top level reconstructor
"""
override_devices = override_devices or []
override_partitions = override_partitions or []
ips = whataremyips()
for policy in POLICIES:
if policy.policy_type != EC_POLICY:
continue
self._diskfile_mgr = self._df_router[policy]
self.load_object_ring(policy)
data_dir = get_data_dir(policy)
local_devices = itertools.ifilter(
lambda dev: dev and is_local_device(ips, self.port, dev[
'replication_ip'], dev['replication_port']),
policy.object_ring.devs)
for local_dev in local_devices:
if override_devices and (local_dev['device']
not in override_devices):
continue
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'),
local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('Unable to create %s' % obj_path)
continue
try:
partitions = os.listdir(obj_path)
except OSError:
self.logger.exception('Unable to list partitions in %r' %
obj_path)
continue
for partition in partitions:
part_path = join(obj_path, partition)
if not (partition.isdigit() and os.path.isdir(part_path)):
self.logger.warning(
'Unexpected entity in data dir: %r' % part_path)
remove_file(part_path)
continue
partition = int(partition)
if override_partitions and (partition
not in override_partitions):
continue
part_info = {
'local_dev': local_dev,
'policy': policy,
'partition': partition,
'part_path': part_path,
}
yield part_info
def object_key(policy_index, hashpath, timestamp='',
extension='.data', nounce=''):
storage_policy = diskfile.get_data_dir(policy_index)
if timestamp:
return '%s.%s.%s%s.%s' % (storage_policy, hashpath, timestamp,
extension, nounce)
else:
# for use with getPrevious
return '%s.%s/' % (storage_policy, hashpath)
def object_key(policy_index, hashpath, timestamp='',
extension='.data', nounce=''):
storage_policy = diskfile.get_data_dir(policy_index)
if timestamp:
return '%s.%s.%s%s.%s' % (storage_policy, hashpath, timestamp,
extension, nounce)
else:
# for use with getPrevious
return '%s.%s/' % (storage_policy, hashpath)
def collect_parts(self, override_devices=None, override_partitions=None):
"""
Helper for yielding partitions in the top level reconstructor
"""
override_devices = override_devices or []
override_partitions = override_partitions or []
ips = whataremyips(self.bind_ip)
for policy in POLICIES:
if policy.policy_type != EC_POLICY:
continue
self._diskfile_mgr = self._df_router[policy]
self.load_object_ring(policy)
data_dir = get_data_dir(policy)
local_devices = itertools.ifilter(
lambda dev: dev and is_local_device(ips, self.port, dev["replication_ip"], dev["replication_port"]),
policy.object_ring.devs,
)
for local_dev in local_devices:
if override_devices and (local_dev["device"] not in override_devices):
continue
dev_path = self._df_router[policy].get_dev_path(local_dev["device"])
if not dev_path:
self.logger.warn(_("%s is not mounted"), local_dev["device"])
continue
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception("Unable to create %s" % obj_path)
continue
try:
partitions = os.listdir(obj_path)
except OSError:
self.logger.exception("Unable to list partitions in %r" % obj_path)
continue
for partition in partitions:
part_path = join(obj_path, partition)
if not (partition.isdigit() and os.path.isdir(part_path)):
self.logger.warning("Unexpected entity in data dir: %r" % part_path)
remove_file(part_path)
continue
partition = int(partition)
if override_partitions and (partition not in override_partitions):
continue
part_info = {
"local_dev": local_dev,
"policy": policy,
"partition": partition,
"part_path": part_path,
}
yield part_info
def build_replication_jobs(self,
policy,
ips,
override_devices=None,
override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
data_dir = get_data_dir(policy)
for local_dev in [
dev for dev in policy.object_ring.devs if
(dev and is_local_device(ips, self.port, dev['replication_ip'],
dev['replication_port']) and
(override_devices is None or dev['device'] in override_devices))
]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(policy))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
if (override_partitions is not None
and partition not in override_partitions):
continue
try:
job_path = join(obj_path, partition)
part_nodes = policy.object_ring.get_part_nodes(
int(partition))
nodes = [
node for node in part_nodes
if node['id'] != local_dev['id']
]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy=policy,
partition=partition,
region=local_dev['region']))
except ValueError:
continue
return jobs
def object_key(policy, hashpath, timestamp="", extension=".data", nonce="", frag_index=None):
if frag_index is not None:
frag_trailer = "-%s" % frag_index
else:
frag_trailer = ""
storage_policy = diskfile.get_data_dir(policy)
if timestamp:
return "%s.%s.%s%s.%s%s" % (storage_policy, hashpath, timestamp, extension, nonce, frag_trailer)
else:
# for use with getPrevious
return "%s.%s/" % (storage_policy, hashpath)
def process_repl(self, policy, ips, override_devices=None,
override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
obj_ring = self.get_object_ring(policy.idx)
data_dir = get_data_dir(policy.idx)
for local_dev in [dev for dev in obj_ring.devs
if (dev
and is_local_device(ips,
self.port,
dev['replication_ip'],
dev['replication_port'])
and (override_devices is None
or dev['device'] in override_devices))]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
if (override_partitions is not None
and partition not in override_partitions):
continue
try:
job_path = join(obj_path, partition)
part_nodes = obj_ring.get_part_nodes(int(partition))
nodes = [node for node in part_nodes
if node['id'] != local_dev['id']]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy_idx=policy.idx,
partition=partition,
object_ring=obj_ring,
region=local_dev['region']))
except ValueError:
continue
return jobs
def get_ring_and_datadir(path):
"""
:param path: path to ring
:returns: a tuple, (ring, datadir)
"""
ring_name = os.path.basename(path).split('.')[0]
base, policy = split_policy_string(ring_name)
if base == 'object':
datadir = get_data_dir(policy)
else:
datadir = base + 's'
return Ring(path), datadir
def _find_objs_ondisk(self, container, obj):
locations = []
opart, onodes = self.object_ring.get_nodes(self.account, container,
obj)
for node in onodes:
start_dir = os.path.join(self.device_dir('object', node),
get_data_dir(self.policy), str(opart))
for root, dirs, files in os.walk(start_dir):
for filename in files:
if filename.endswith('.data'):
locations.append(os.path.join(root, filename))
return locations
def process_policy(self, policy):
self.logger.info(
'Processing files for policy %s under %s (cleanup=%s)',
policy.name, self.root, self.do_cleanup)
self.part_power = policy.object_ring.part_power
self.next_part_power = policy.object_ring.next_part_power
self.diskfile_mgr = self.diskfile_router[policy]
self.datadir = diskfile.get_data_dir(policy)
self.states = {
"part_power": self.part_power,
"next_part_power": self.next_part_power,
"state": {},
}
audit_stats = {}
locations = audit_location_generator(
self.conf['devices'],
self.datadir,
mount_check=self.conf['mount_check'],
devices_filter=self.devices_filter,
hook_pre_device=self.hook_pre_device,
hook_post_device=self.hook_post_device,
partitions_filter=self.partitions_filter,
hook_pre_partition=self.hook_pre_partition,
hook_post_partition=self.hook_post_partition,
hashes_filter=self.hashes_filter,
logger=self.logger,
error_counter=audit_stats,
yield_hash_dirs=True)
if self.conf['files_per_second'] > 0:
locations = RateLimitedIterator(locations,
self.conf['files_per_second'])
for hash_path, device, partition in locations:
# note, in cleanup step next_part_power == part_power
new_hash_path = replace_partition_in_path(self.conf['devices'],
hash_path,
self.next_part_power)
if new_hash_path == hash_path:
continue
self.process_location(hash_path, new_hash_path)
# any unmounted devices don't trigger the pre_device trigger.
# so we'll deal with them here.
for dev in audit_stats.get('unmounted', []):
self.place_policy_stat(dev, policy, 'unmounted', 1)
# Further unlistable_partitions doesn't trigger the post_device, so
# we also need to deal with them here.
for datadir in audit_stats.get('unlistable_partitions', []):
device_path, _ = os.path.split(datadir)
device = os.path.basename(device_path)
self.place_policy_stat(device, policy, 'unlistable_partitions', 1)
def process_repl(self, policy, jobs, ips):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
obj_ring = self.get_object_ring(policy.idx)
data_dir = get_data_dir(policy.idx)
for local_dev in [
dev for dev in obj_ring.devs
if dev and dev['replication_ip'] in ips
and dev['replication_port'] == self.port
]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, 'tmp')
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
try:
job_path = join(obj_path, partition)
if isfile(job_path):
# Clean up any (probably zero-byte) files where a
# partition should be.
self.logger.warning(
'Removing partition directory '
'which was a file: %s', job_path)
os.remove(job_path)
continue
part_nodes = obj_ring.get_part_nodes(int(partition))
nodes = [
node for node in part_nodes
if node['id'] != local_dev['id']
]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy_idx=policy.idx,
partition=partition,
object_ring=obj_ring))
except (ValueError, OSError):
continue
def _setup_data_file(self, container, obj, data):
client.put_container(self.url, self.token, container, headers={"X-Storage-Policy": self.policy.name})
client.put_object(self.url, self.token, container, obj, data)
odata = client.get_object(self.url, self.token, container, obj)[-1]
self.assertEquals(odata, data)
opart, onodes = self.object_ring.get_nodes(self.account, container, obj)
onode = onodes[0]
node_id = (onode["port"] - 6000) / 10
device = onode["device"]
hash_str = hash_path(self.account, container, obj)
obj_server_conf = readconf(self.configs["object-server"][node_id])
devices = obj_server_conf["app:object-server"]["devices"]
obj_dir = "%s/%s/%s/%s/%s/%s/" % (devices, device, get_data_dir(self.policy), opart, hash_str[-3:], hash_str)
data_file = get_data_file_path(obj_dir)
return onode, opart, data_file
def process_repl(self, policy, jobs, ips):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
obj_ring = self.get_object_ring(policy.idx)
data_dir = get_data_dir(policy.idx)
for local_dev in [dev for dev in obj_ring.devs
if dev and dev['replication_ip'] in ips and
dev['replication_port'] == self.port]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
try:
job_path = join(obj_path, partition)
if isfile(job_path):
# Clean up any (probably zero-byte) files where a
# partition should be.
self.logger.warning(
'Removing partition directory '
'which was a file: %s', job_path)
os.remove(job_path)
continue
part_nodes = obj_ring.get_part_nodes(int(partition))
nodes = [node for node in part_nodes
if node['id'] != local_dev['id']]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy_idx=policy.idx,
partition=partition,
object_ring=obj_ring))
except (ValueError, OSError):
continue
def _setup_data_file(self, container, obj, data):
client.put_container(self.url, self.token, container)
client.put_object(self.url, self.token, container, obj, data)
odata = client.get_object(self.url, self.token, container, obj)[-1]
self.assertEquals(odata, data)
opart, onodes = self.object_ring.get_nodes(
self.account, container, obj)
onode = onodes[0]
node_id = (onode['port'] - 6000) / 10
device = onode['device']
hash_str = hash_path(self.account, container, obj)
obj_server_conf = readconf(self.configs['object-server'][node_id])
devices = obj_server_conf['app:object-server']['devices']
obj_dir = '%s/%s/%s/%s/%s/%s/' % (devices, device,
get_data_dir(self.policy.idx),
opart, hash_str[-3:], hash_str)
data_file = get_data_file_path(obj_dir)
return onode, opart, data_file
def _setup_data_file(self, container, obj, data):
client.put_container(self.url, self.token, container)
client.put_object(self.url, self.token, container, obj, data)
odata = client.get_object(self.url, self.token, container, obj)[-1]
self.assertEquals(odata, data)
opart, onodes = self.object_ring.get_nodes(self.account, container,
obj)
onode = onodes[0]
node_id = (onode['port'] - 6000) / 10
device = onode['device']
hash_str = hash_path(self.account, container, obj)
obj_server_conf = readconf(self.configs['object-server'][node_id])
devices = obj_server_conf['app:object-server']['devices']
obj_dir = '%s/%s/%s/%s/%s/%s/' % (devices, device,
get_data_dir(self.policy.idx), opart,
hash_str[-3:], hash_str)
data_file = get_data_file_path(obj_dir)
return onode, opart, data_file
def process_repl(self, policy, jobs, ips):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
obj_ring = self.get_object_ring(policy.idx)
data_dir = get_data_dir(policy.idx)
for local_dev in [
dev
for dev in obj_ring.devs
if dev and dev["replication_ip"] in ips and dev["replication_port"] == self.port
]:
dev_path = join(self.devices_dir, local_dev["device"])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_("%s is not mounted"), local_dev["device"])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception("ERROR creating %s" % obj_path)
continue
for partition in os.listdir(obj_path):
try:
job_path = join(obj_path, partition)
part_nodes = obj_ring.get_part_nodes(int(partition))
nodes = [node for node in part_nodes if node["id"] != local_dev["id"]]
jobs.append(
dict(
path=job_path,
device=local_dev["device"],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy_idx=policy.idx,
partition=partition,
object_ring=obj_ring,
)
)
except ValueError:
continue
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
curframe = inspect.currentframe()
calframe = inspect.getouterframes(curframe, 2)
f = open("/home/hduser/log.txt","w")
f.write(str(calframe))
f.close()
if not os.path.exists(job['path']):
return False, set()
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
]
node_ip = rsync_ip(node['replication_ip'])
if self.vm_test_mode:
rsync_module = '%s::object%s' % (node_ip, node['replication_port'])
else:
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, set()
data_dir = get_data_dir(job['policy_idx'])
args.append(join(rsync_module, node['device'],
data_dir, job['partition']))
return self._rsync(args) == 0, set()
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job['path']):
return False, {}
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
]
if self.rsync_compress and \
job['region'] != node['region']:
# Allow for compression, but only if the remote node is in
# a different region than the local one.
args.append('--compress')
node_ip = rsync_ip(node['replication_ip'])
if self.vm_test_mode:
rsync_module = '%s::object%s' % (node_ip, node['replication_port'])
else:
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, {}
data_dir = get_data_dir(job['policy'])
args.append(
join(rsync_module, node['device'], data_dir, job['partition']))
return self._rsync(args) == 0, {}
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job['path']):
return False, {}
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
]
if self.rsync_compress and \
job['region'] != node['region']:
# Allow for compression, but only if the remote node is in
# a different region than the local one.
args.append('--compress')
node_ip = rsync_ip(node['replication_ip'])
if self.vm_test_mode:
rsync_module = '%s::object%s' % (node_ip, node['replication_port'])
else:
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, {}
data_dir = get_data_dir(job['policy'])
args.append(join(rsync_module, node['device'],
data_dir, job['partition']))
return self._rsync(args) == 0, {}
def _setup_data_file(self, container, obj, data):
client.put_container(self.url,
self.token,
container,
headers={'X-Storage-Policy': self.policy.name})
client.put_object(self.url, self.token, container, obj, data)
odata = client.get_object(self.url, self.token, container, obj)[-1]
self.assertEqual(odata, data)
opart, onodes = self.object_ring.get_nodes(self.account, container,
obj)
onode = onodes[0]
node_id = self.config_number(onode)
device = onode['device']
hash_str = hash_path(self.account, container, obj)
obj_server_conf = readconf(self.configs['object-server'][node_id])
devices = obj_server_conf['app:object-server']['devices']
obj_dir = '%s/%s/%s/%s/%s/%s/' % (devices, device,
get_data_dir(self.policy), opart,
hash_str[-3:], hash_str)
data_file = get_data_file_path(obj_dir)
return onode, opart, data_file
def iter_parts(args, device):
device_path = os.path.join(args.devices, device)
policy = POLICIES[args.policy_index]
datadir = get_data_dir(policy)
logging.debug('getting parts from %r %r', device_path, datadir)
datadir_path, parts = join_list(device_path, datadir)
for part in parts:
try:
part = int(part)
except ValueError:
continue
sync_to = [
n for n in policy.object_ring.get_part_nodes(part)
if n['device'] != device
]
yield {
'device': device,
'part': part,
'policy': policy,
'datadir_path': datadir_path,
'sync_to': sync_to,
}
def relink(swift_dir='/etc/swift',
devices='/srv/node',
skip_mount_check=False,
logger=logging.getLogger()):
mount_check = not skip_mount_check
run = False
relinked = errors = 0
for policy in POLICIES:
policy.object_ring = None # Ensure it will be reloaded
policy.load_ring(swift_dir)
part_power = policy.object_ring.part_power
next_part_power = policy.object_ring.next_part_power
if not next_part_power or next_part_power == part_power:
continue
logging.info('Relinking files for policy %s under %s',
policy.name, devices)
run = True
locations = audit_location_generator(
devices,
diskfile.get_data_dir(policy),
mount_check=mount_check)
for fname, _, _ in locations:
newfname = replace_partition_in_path(fname, next_part_power)
try:
diskfile.relink_paths(fname, newfname, check_existing=True)
relinked += 1
except OSError as exc:
errors += 1
logger.warning("Relinking %s to %s failed: %s",
fname, newfname, exc)
if not run:
logger.warning("No policy found to increase the partition power.")
return 2
logging.info('Relinked %d diskfiles (%d errors)', relinked, errors)
if errors > 0:
return 1
return 0
def process_policy(self, policy):
self.logger.info(
'Processing files for policy %s under %s (cleanup=%s)',
policy.name, self.root, self.do_cleanup)
self.part_power = policy.object_ring.part_power
self.next_part_power = policy.object_ring.next_part_power
self.diskfile_mgr = self.diskfile_router[policy]
self.datadir = diskfile.get_data_dir(policy)
self.states = {
"part_power": self.part_power,
"next_part_power": self.next_part_power,
"state": {},
}
locations = audit_location_generator(
self.conf['devices'],
self.datadir,
mount_check=self.conf['mount_check'],
devices_filter=self.devices_filter,
hook_pre_device=self.hook_pre_device,
hook_post_device=self.hook_post_device,
partitions_filter=self.partitions_filter,
hook_post_partition=self.hook_post_partition,
hashes_filter=self.hashes_filter,
logger=self.logger,
error_counter=self.stats,
yield_hash_dirs=True
)
if self.conf['files_per_second'] > 0:
locations = RateLimitedIterator(
locations, self.conf['files_per_second'])
for hash_path, device, partition in locations:
# note, in cleanup step next_part_power == part_power
new_hash_path = replace_partition_in_path(
self.conf['devices'], hash_path, self.next_part_power)
if new_hash_path == hash_path:
continue
self.process_location(hash_path, new_hash_path)
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job['path']):
return False, {}
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
'--exclude=.*.%s' % ''.join('[0-9a-zA-Z]' for i in range(6))
]
if self.rsync_compress and \
job['region'] != node['region']:
# Allow for compression, but only if the remote node is in
# a different region than the local one.
args.append('--compress')
rsync_module = rsync_module_interpolation(self.rsync_module, node)
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False, {}
data_dir = get_data_dir(job['policy'])
args.append(join(rsync_module, node['device'],
data_dir, job['partition']))
return self._rsync(args) == 0, {}
def print_obj(datafile, check_etag=True, swift_dir='/etc/swift',
policy_name=''):
"""
Display information about an object read from the datafile.
Optionally verify the datafile content matches the ETag metadata.
:param datafile: path on disk to object file
:param check_etag: boolean, will read datafile content and verify
computed checksum matches value stored in
metadata.
:param swift_dir: the path on disk to rings
:param policy_name: optionally the name to use when finding the ring
"""
if not os.path.exists(datafile):
print "Data file doesn't exist"
raise InfoSystemExit()
if not datafile.startswith(('/', './')):
datafile = './' + datafile
policy_index = None
ring = None
datadir = DATADIR_BASE
# try to extract policy index from datafile disk path
policy_index = int(extract_policy(datafile) or POLICIES.legacy)
try:
if policy_index:
datadir += '-' + str(policy_index)
ring = Ring(swift_dir, ring_name='object-' + str(policy_index))
elif policy_index == 0:
ring = Ring(swift_dir, ring_name='object')
except IOError:
# no such ring
pass
if policy_name:
policy = POLICIES.get_by_name(policy_name)
if policy:
policy_index_for_name = policy.idx
if (policy_index is not None and
policy_index_for_name is not None and
policy_index != policy_index_for_name):
print 'Attention: Ring does not match policy!'
print 'Double check your policy name!'
if not ring and policy_index_for_name:
ring = POLICIES.get_object_ring(policy_index_for_name,
swift_dir)
datadir = get_data_dir(policy_index_for_name)
with open(datafile, 'rb') as fp:
try:
metadata = read_metadata(fp)
except EOFError:
print "Invalid metadata"
raise InfoSystemExit()
etag = metadata.pop('ETag', '')
length = metadata.pop('Content-Length', '')
path = metadata.get('name', '')
print_obj_metadata(metadata)
# Optional integrity check; it's useful, but slow.
file_len = None
if check_etag:
h = md5()
file_len = 0
while True:
data = fp.read(64 * 1024)
if not data:
break
h.update(data)
file_len += len(data)
h = h.hexdigest()
if etag:
if h == etag:
print 'ETag: %s (valid)' % etag
else:
print ("ETag: %s doesn't match file hash of %s!" %
(etag, h))
else:
print 'ETag: Not found in metadata'
else:
print 'ETag: %s (not checked)' % etag
file_len = os.fstat(fp.fileno()).st_size
if length:
if file_len == int(length):
print 'Content-Length: %s (valid)' % length
else:
print ("Content-Length: %s doesn't match file length of %s"
% (length, file_len))
else:
print 'Content-Length: Not found in metadata'
account, container, obj = path.split('/', 3)[1:]
if ring:
print_ring_locations(ring, datadir, account, container, obj,
policy_index=policy_index)
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(self.policy)
# 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
self.put_data()
# 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:
# Delete some files
for directory in os.listdir(test_node):
shutil.rmtree(os.path.join(test_node, directory))
self.assertFalse(os.listdir(test_node))
self.replicators.start()
# 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.assertIn(files, new_files_list[0])
for directory in test_node_dir_list:
self.assertIn(directory, new_dir_list[0])
# We want to make sure that replication is completely
# settled; any invalidated hashes should be rehashed so
# hashes.pkl is stable
for directory in os.listdir(
os.path.join(test_node, data_dir)):
hashes_invalid_path = os.path.join(
test_node, data_dir, directory, 'hashes.invalid')
self.assertEqual(os.stat(
hashes_invalid_path).st_size, 0)
break
except Exception:
if time.time() - begin > 60:
raise
time.sleep(1)
self.replicators.stop()
# Delete directories and files in objects storage without
# deleting file "hashes.pkl".
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))
self.replicators.once()
# Check, that files not replicated.
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)))
self.replicators.start()
# Now, delete file "hashes.pkl".
# Check, that all files were replicated.
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.assertIn(files, new_files_list[0])
for directory in test_node_dir_list:
self.assertIn(directory, new_dir_list[0])
break
except Exception:
if time.time() - begin > 60:
raise
time.sleep(1)
finally:
self.replicators.stop()
def collect_parts(self, override_devices=None, override_partitions=None):
"""
Helper for getting partitions in the top level reconstructor
"""
override_devices = override_devices or []
override_partitions = override_partitions or []
ips = whataremyips(self.bind_ip)
ec_policies = (policy for policy in POLICIES
if policy.policy_type == EC_POLICY)
policy2devices = {}
for policy in ec_policies:
self.load_object_ring(policy)
local_devices = list(
six.moves.filter(
lambda dev: dev and is_local_device(
ips, self.port, dev['replication_ip'], dev[
'replication_port']), policy.object_ring.devs))
if override_devices:
local_devices = list(
six.moves.filter(
lambda dev_info: dev_info['device'] in
override_devices, local_devices))
policy2devices[policy] = local_devices
self.device_count += len(local_devices)
all_parts = []
for policy, local_devices in policy2devices.items():
df_mgr = self._df_router[policy]
for local_dev in local_devices:
dev_path = df_mgr.get_dev_path(local_dev['device'])
if not dev_path:
self.logger.warning(_('%s is not mounted'),
local_dev['device'])
continue
data_dir = get_data_dir(policy)
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
unlink_older_than(tmp_path, time.time() - df_mgr.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('Unable to create %s' % obj_path)
continue
try:
partitions = os.listdir(obj_path)
except OSError:
self.logger.exception('Unable to list partitions in %r' %
obj_path)
continue
self.part_count += len(partitions)
for partition in partitions:
part_path = join(obj_path, partition)
if partition in ('auditor_status_ALL.json',
'auditor_status_ZBF.json'):
continue
if not partition.isdigit():
self.logger.warning(
'Unexpected entity in data dir: %r' % part_path)
self.delete_partition(part_path)
self.reconstruction_part_count += 1
continue
partition = int(partition)
if override_partitions and (partition
not in override_partitions):
continue
part_info = {
'local_dev': local_dev,
'policy': policy,
'partition': partition,
'part_path': part_path,
}
all_parts.append(part_info)
random.shuffle(all_parts)
return all_parts
def collect_parts(self, override_devices=None,
override_partitions=None):
"""
Helper for yielding partitions in the top level reconstructor
"""
override_devices = override_devices or []
override_partitions = override_partitions or []
ips = whataremyips(self.bind_ip)
for policy in POLICIES:
if policy.policy_type != EC_POLICY:
continue
self._diskfile_mgr = self._df_router[policy]
self.load_object_ring(policy)
data_dir = get_data_dir(policy)
local_devices = list(six.moves.filter(
lambda dev: dev and is_local_device(
ips, self.port,
dev['replication_ip'], dev['replication_port']),
policy.object_ring.devs))
if override_devices:
self.device_count = len(override_devices)
else:
self.device_count = len(local_devices)
for local_dev in local_devices:
if override_devices and (local_dev['device'] not in
override_devices):
continue
self.reconstruction_device_count += 1
dev_path = self._df_router[policy].get_dev_path(
local_dev['device'])
if not dev_path:
self.logger.warning(_('%s is not mounted'),
local_dev['device'])
continue
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
unlink_older_than(tmp_path, time.time() -
self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception(
'Unable to create %s' % obj_path)
continue
try:
partitions = os.listdir(obj_path)
except OSError:
self.logger.exception(
'Unable to list partitions in %r' % obj_path)
continue
self.part_count += len(partitions)
for partition in partitions:
part_path = join(obj_path, partition)
if not (partition.isdigit() and
os.path.isdir(part_path)):
self.logger.warning(
'Unexpected entity in data dir: %r' % part_path)
remove_file(part_path)
self.reconstruction_part_count += 1
continue
partition = int(partition)
if override_partitions and (partition not in
override_partitions):
continue
part_info = {
'local_dev': local_dev,
'policy': policy,
'partition': partition,
'part_path': part_path,
}
yield part_info
self.reconstruction_part_count += 1
def build_replication_jobs(self, policy, ips, old_dict,
new_dict, moving_map):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
:param policy: swift policy object
:param ips: the local server ips
:param old_dict: dictionary with devices from old ring
:param new_dict: dictionary with devices from new ring
:param moving_map: the dictionary that contains all the partitions
that should be moved, their sources and destinations
"""
jobs = []
data_dir = get_data_dir(policy)
devices = Set(map(lambda x: x[1], moving_map.values()))
partitions = Set(map(lambda x: x[0], moving_map.values()))
for local_dev in [dev for dev in policy.object_ring.devs
if (dev
and is_local_device(ips,
self.port,
dev['replication_ip'],
dev['replication_port'])
)]:
if self.test:
print local_dev['id']
if unicode(local_dev['id']) not in devices:
continue
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(policy))
if self.mount_check and not ismount(dev_path):
self.logger.warn('%s is not mounted' % local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
for partition in os.listdir(obj_path):
partition = unicode(partition)
if (partition not in partitions):
continue
try:
key = "%s_%s" % (local_dev['id'], partition)
if key not in moving_map:
continue
job_path = join(obj_path, partition)
_, source_id, dest_id = moving_map[key]
if source_id != unicode(local_dev['id']):
continue
node = {}
replication_ip, replication_device = new_dict[dest_id]
node['replication_ip'] = replication_ip
node['device'] = replication_device
remote_path = os.path.join(self.devices_dir,
node['device'],
self.mover_tmp_dir)
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
node=node,
policy=policy,
partition=partition,
remote_path=remote_path))
except ValueError:
continue
except Exception as e:
self.logger.exception(
"an %s exception accure at build_replication_jobs" % e)
if self.test:
print e
return jobs
def cleanup(conf, logger, device):
diskfile_router = diskfile.DiskFileRouter(conf, logger)
errors = cleaned_up = 0
error_counter = {}
found_policy = False
for policy in POLICIES:
diskfile_mgr = diskfile_router[policy]
policy.object_ring = None # Ensure it will be reloaded
policy.load_ring(conf['swift_dir'])
part_power = policy.object_ring.part_power
next_part_power = policy.object_ring.next_part_power
if not next_part_power or next_part_power != part_power:
continue
logger.info('Cleaning up files for policy %s under %s', policy.name,
conf['devices'])
found_policy = True
datadir = diskfile.get_data_dir(policy)
locks = [None]
states = {
"part_power": part_power,
"next_part_power": next_part_power,
"state": {},
}
cleanup_devices_filter = partial(devices_filter, device)
cleanup_hook_pre_device = partial(hook_pre_device, locks, states,
datadir)
cleanup_hook_post_device = partial(hook_post_device, locks)
cleanup_partition_filter = partial(partitions_filter, states,
part_power, next_part_power)
cleanup_hook_post_partition = partial(hook_post_partition, states,
STEP_CLEANUP, policy,
diskfile_mgr)
cleanup_hashes_filter = partial(hashes_filter, next_part_power)
locations = audit_location_generator(
conf['devices'],
datadir,
mount_check=conf['mount_check'],
devices_filter=cleanup_devices_filter,
hook_pre_device=cleanup_hook_pre_device,
hook_post_device=cleanup_hook_post_device,
partitions_filter=cleanup_partition_filter,
hook_post_partition=cleanup_hook_post_partition,
hashes_filter=cleanup_hashes_filter,
logger=logger,
error_counter=error_counter)
if conf['files_per_second'] > 0:
locations = RateLimitedIterator(locations,
conf['files_per_second'])
for fname, device, partition in locations:
expected_fname = replace_partition_in_path(fname, part_power)
if fname == expected_fname:
continue
# Make sure there is a valid object file in the expected new
# location. Note that this could be newer than the original one
# (which happens if there is another PUT after partition power
# has been increased, but cleanup did not yet run)
loc = diskfile.AuditLocation(os.path.dirname(expected_fname),
device, partition, policy)
df = diskfile_mgr.get_diskfile_from_audit_location(loc)
try:
with df.open():
pass
except DiskFileQuarantined as exc:
logger.warning(
'ERROR Object %(obj)s failed audit and was'
' quarantined: %(err)r', {
'obj': loc,
'err': exc
})
errors += 1
continue
except DiskFileDeleted:
pass
except DiskFileNotExist as exc:
err = False
if policy.policy_type == 'erasure_coding':
# Might be a non-durable fragment - check that there is
# a fragment in the new path. Will be fixed by the
# reconstructor then
if not os.path.isfile(expected_fname):
err = True
else:
err = True
if err:
logger.warning('Error cleaning up %s: %r', fname, exc)
errors += 1
continue
try:
os.remove(fname)
cleaned_up += 1
logger.debug("Removed %s", fname)
suffix_dir = os.path.dirname(os.path.dirname(fname))
diskfile.invalidate_hash(suffix_dir)
except OSError as exc:
logger.warning('Error cleaning up %s: %r', fname, exc)
errors += 1
return determine_exit_code(
logger=logger,
found_policy=found_policy,
processed=cleaned_up,
action='cleaned up',
action_errors=errors,
error_counter=error_counter,
)
def test_main(self):
# Create container
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy':
self.policy.name})
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes[0]
obj = 'object-%s' % uuid4()
opart, onodes = self.object_ring.get_nodes(
self.account, container, obj)
onode = onodes[0]
# Kill one container/obj primary server
kill_server(onode['port'], self.port2server, self.pids)
# Delete the default data directory for objects on the primary server
obj_dir = '%s/%s' % (self._get_objects_dir(onode),
get_data_dir(self.policy))
shutil.rmtree(obj_dir, True)
self.assertFalse(os.path.exists(obj_dir))
# Create container/obj (goes to two primary servers and one handoff)
client.put_object(self.url, self.token, container, obj, 'VERIFY')
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
# Kill other two container/obj primary servers
# to ensure GET handoff works
for node in onodes[1:]:
kill_server(node['port'], self.port2server, self.pids)
# Indirectly through proxy assert we can get container/obj
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
# Restart those other two container/obj primary servers
for node in onodes[1:]:
start_server(node['port'], self.port2server, self.pids)
self.assertFalse(os.path.exists(obj_dir))
# We've indirectly verified the handoff node has the object, but
# let's directly verify it.
# Directly to handoff server assert we can get container/obj
another_onode = next(self.object_ring.get_more_nodes(opart))
odata = direct_client.direct_get_object(
another_onode, opart, self.account, container, obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
if odata != 'VERIFY':
raise Exception('Direct object GET did not return VERIFY, instead '
'it returned: %s' % repr(odata))
# Assert container listing (via proxy and directly) has container/obj
objs = [o['name'] for o in
client.get_container(self.url, self.token, container)[1]]
if obj not in objs:
raise Exception('Container listing did not know about object')
timeout = time.time() + 5
found_objs_on_cnode = []
while time.time() < timeout:
for cnode in [c for c in cnodes if cnodes not in
found_objs_on_cnode]:
objs = [o['name'] for o in
direct_client.direct_get_container(
cnode, cpart, self.account, container)[1]]
if obj in objs:
found_objs_on_cnode.append(cnode)
if len(found_objs_on_cnode) >= len(cnodes):
break
time.sleep(0.3)
if len(found_objs_on_cnode) < len(cnodes):
missing = ['%s:%s' % (cnode['ip'], cnode['port']) for cnode in
cnodes if cnode not in found_objs_on_cnode]
raise Exception('Container servers %r did not know about object' %
missing)
# Bring the first container/obj primary server back up
start_server(onode['port'], self.port2server, self.pids)
# Assert that it doesn't have container/obj yet
self.assertFalse(os.path.exists(obj_dir))
try:
direct_client.direct_get_object(
onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
self.assertEquals(err.http_status, 404)
self.assertFalse(os.path.exists(obj_dir))
else:
self.fail("Expected ClientException but didn't get it")
try:
port_num = onode['replication_port']
except KeyError:
port_num = onode['port']
try:
another_port_num = another_onode['replication_port']
except KeyError:
another_port_num = another_onode['port']
# Run object replication for first container/obj primary server
num = (port_num - 6000) / 10
Manager(['object-replicator']).once(number=num)
# Run object replication for handoff node
another_num = (another_port_num - 6000) / 10
Manager(['object-replicator']).once(number=another_num)
# Assert the first container/obj primary server now has container/obj
odata = direct_client.direct_get_object(
onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
if odata != 'VERIFY':
raise Exception('Direct object GET did not return VERIFY, instead '
'it returned: %s' % repr(odata))
# Assert the handoff server no longer has container/obj
try:
direct_client.direct_get_object(
another_onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
self.assertEquals(err.http_status, 404)
else:
self.fail("Expected ClientException but didn't get it")
def cleanup(swift_dir='/etc/swift',
devices='/srv/node',
skip_mount_check=False,
logger=logging.getLogger()):
mount_check = not skip_mount_check
conf = {'devices': devices, 'mount_check': mount_check}
diskfile_router = diskfile.DiskFileRouter(conf, get_logger(conf))
errors = cleaned_up = 0
run = False
for policy in POLICIES:
policy.object_ring = None # Ensure it will be reloaded
policy.load_ring(swift_dir)
part_power = policy.object_ring.part_power
next_part_power = policy.object_ring.next_part_power
if not next_part_power or next_part_power != part_power:
continue
logging.info('Cleaning up files for policy %s under %s',
policy.name, devices)
run = True
locations = audit_location_generator(
devices,
diskfile.get_data_dir(policy),
mount_check=mount_check)
for fname, device, partition in locations:
expected_fname = replace_partition_in_path(fname, part_power)
if fname == expected_fname:
continue
# Make sure there is a valid object file in the expected new
# location. Note that this could be newer than the original one
# (which happens if there is another PUT after partition power
# has been increased, but cleanup did not yet run)
loc = diskfile.AuditLocation(
os.path.dirname(expected_fname), device, partition, policy)
diskfile_mgr = diskfile_router[policy]
df = diskfile_mgr.get_diskfile_from_audit_location(loc)
try:
with df.open():
pass
except DiskFileQuarantined as exc:
logger.warning('ERROR Object %(obj)s failed audit and was'
' quarantined: %(err)r',
{'obj': loc, 'err': exc})
errors += 1
continue
except DiskFileDeleted:
pass
except DiskFileNotExist as exc:
err = False
if policy.policy_type == 'erasure_coding':
# Might be a non-durable fragment - check that there is
# a fragment in the new path. Will be fixed by the
# reconstructor then
if not os.path.isfile(expected_fname):
err = True
else:
err = True
if err:
logger.warning(
'Error cleaning up %s: %r', fname, exc)
errors += 1
continue
try:
os.remove(fname)
cleaned_up += 1
logging.debug("Removed %s", fname)
except OSError as exc:
logger.warning('Error cleaning up %s: %r', fname, exc)
errors += 1
if not run:
logger.warning("No policy found to increase the partition power.")
return 2
logging.info('Cleaned up %d diskfiles (%d errors)', cleaned_up, errors)
if errors > 0:
return 1
return 0
def collect_parts(self, override_devices=None, override_partitions=None):
"""
Helper for getting partitions in the top level reconstructor
In handoffs_only mode no primary partitions will not be included in the
returned (possibly empty) list.
"""
override_devices = override_devices or []
override_partitions = override_partitions or []
ips = whataremyips(self.bind_ip)
ec_policies = (policy for policy in POLICIES
if policy.policy_type == EC_POLICY)
policy2devices = {}
for policy in ec_policies:
self.load_object_ring(policy)
local_devices = list(
six.moves.filter(
lambda dev: dev and is_local_device(
ips, self.port, dev['replication_ip'], dev[
'replication_port']), policy.object_ring.devs))
if override_devices:
local_devices = list(
six.moves.filter(
lambda dev_info: dev_info['device'] in
override_devices, local_devices))
policy2devices[policy] = local_devices
self.device_count += len(local_devices)
all_parts = []
for policy, local_devices in policy2devices.items():
# Skip replication if next_part_power is set. In this case
# every object is hard-linked twice, but the replicator
# can't detect them and would create a second copy of the
# file if not yet existing - and this might double the
# actual transferred and stored data
next_part_power = getattr(policy.object_ring, 'next_part_power',
None)
if next_part_power is not None:
self.logger.warning(
_("next_part_power set in policy '%s'. Skipping"),
policy.name)
continue
df_mgr = self._df_router[policy]
for local_dev in local_devices:
dev_path = df_mgr.get_dev_path(local_dev['device'])
if not dev_path:
self.logger.warning(_('%s is not mounted'),
local_dev['device'])
continue
data_dir = get_data_dir(policy)
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
unlink_older_than(tmp_path, time.time() - df_mgr.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('Unable to create %s' % obj_path)
continue
try:
partitions = os.listdir(obj_path)
except OSError:
self.logger.exception('Unable to list partitions in %r' %
obj_path)
continue
self.part_count += len(partitions)
for partition in partitions:
part_path = join(obj_path, partition)
if partition in ('auditor_status_ALL.json',
'auditor_status_ZBF.json'):
continue
if not partition.isdigit():
self.logger.warning(
'Unexpected entity in data dir: %r' % part_path)
self.delete_partition(part_path)
self.reconstruction_part_count += 1
continue
partition = int(partition)
if override_partitions and (partition
not in override_partitions):
continue
# N.B. At a primary node in handoffs_only mode may skip to
# sync misplaced (handoff) fragments in the primary
# partition. That may happen while rebalancing several
# times. (e.g. a node holding handoff fragment being a new
# primary) Those fragments will be synced (and revert) once
# handoffs_only mode turned off.
if self.handoffs_only and any(local_dev['id'] == n['id']
for n in policy.object_ring.
get_part_nodes(partition)):
self.logger.debug(
'Skipping %s job for %s '
'while in handoffs_only mode.', SYNC, part_path)
continue
part_info = {
'local_dev': local_dev,
'policy': policy,
'partition': partition,
'part_path': part_path,
}
all_parts.append(part_info)
random.shuffle(all_parts)
return all_parts
def build_replication_jobs(self, policy, ips, override_devices=None, override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
self.all_devs_info.update([(dev["replication_ip"], dev["device"]) for dev in policy.object_ring.devs if dev])
data_dir = get_data_dir(policy)
found_local = False
for local_dev in [
dev
for dev in policy.object_ring.devs
if (
dev
and is_local_device(ips, self.port, dev["replication_ip"], dev["replication_port"])
and (override_devices is None or dev["device"] in override_devices)
)
]:
found_local = True
dev_path = join(self.devices_dir, local_dev["device"])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(policy))
if self.mount_check and not ismount(dev_path):
self._add_failure_stats(
[
(failure_dev["replication_ip"], failure_dev["device"])
for failure_dev in policy.object_ring.devs
if failure_dev
]
)
self.logger.warning(_("%s is not mounted"), local_dev["device"])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception("ERROR creating %s" % obj_path)
continue
for partition in os.listdir(obj_path):
if override_partitions is not None and partition not in override_partitions:
continue
part_nodes = None
try:
job_path = join(obj_path, partition)
part_nodes = policy.object_ring.get_part_nodes(int(partition))
nodes = [node for node in part_nodes if node["id"] != local_dev["id"]]
jobs.append(
dict(
path=job_path,
device=local_dev["device"],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy=policy,
partition=partition,
region=local_dev["region"],
)
)
except ValueError:
if part_nodes:
self._add_failure_stats(
[(failure_dev["replication_ip"], failure_dev["device"]) for failure_dev in nodes]
)
else:
self._add_failure_stats(
[
(failure_dev["replication_ip"], failure_dev["device"])
for failure_dev in policy.object_ring.devs
if failure_dev
]
)
continue
if not found_local:
self.logger.error(
"Can't find itself %s with port %s in ring " "file, not replicating", ", ".join(ips), self.port
)
return jobs
def process_repl(self, policy, ips, override_devices=None,
override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
obj_ring = self.get_object_ring(policy.idx)
data_dir = get_data_dir(policy.idx)
for local_dev in [dev for dev in obj_ring.devs
if (dev
and is_local_device(ips,
self.port,
dev['replication_ip'],
dev['replication_port'])
and (override_devices is None
or dev['device'] in override_devices))]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(int(policy)))
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
if (override_partitions is not None
and partition not in override_partitions):
continue
try:
job_path = join(obj_path, partition)
part_nodes = obj_ring.get_part_nodes(int(partition))
###################################### CHANGED_CODE ########################################################
f = open("/home/hduser/swift/swift/proxy/controllers/spindowndevices")
downlist = f.read().split("\n")
f.close()
nodes = [node for node in part_nodes
if node['id'] != local_dev['id'] and node['device'] not in downlist]
print("===Replication nodes===",nodes)
###################################### CHANGED_CODE ########################################################
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy_idx=policy.idx,
partition=partition,
object_ring=obj_ring,
region=local_dev['region']))
except ValueError:
continue
return jobs
def build_replication_jobs(self, policy, ips, override_devices=None,
override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
df_mgr = self._df_router[policy]
self.all_devs_info.update(
[(dev['replication_ip'], dev['device'])
for dev in policy.object_ring.devs if dev])
data_dir = get_data_dir(policy)
found_local = False
for local_dev in [dev for dev in policy.object_ring.devs
if (dev
and is_local_device(ips,
self.port,
dev['replication_ip'],
dev['replication_port'])
and (override_devices is None
or dev['device'] in override_devices))]:
found_local = True
dev_path = check_drive(self.devices_dir, local_dev['device'],
self.mount_check)
if not dev_path:
self._add_failure_stats(
[(failure_dev['replication_ip'],
failure_dev['device'])
for failure_dev in policy.object_ring.devs
if failure_dev])
self.logger.warning(
_('%s is not mounted'), local_dev['device'])
continue
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(policy))
unlink_older_than(tmp_path, time.time() -
df_mgr.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
if (override_partitions is not None
and partition not in override_partitions):
continue
if (partition.startswith('auditor_status_') and
partition.endswith('.json')):
# ignore auditor status files
continue
part_nodes = None
try:
job_path = join(obj_path, partition)
part_nodes = policy.object_ring.get_part_nodes(
int(partition))
nodes = [node for node in part_nodes
if node['id'] != local_dev['id']]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy=policy,
partition=partition,
region=local_dev['region']))
except ValueError:
if part_nodes:
self._add_failure_stats(
[(failure_dev['replication_ip'],
failure_dev['device'])
for failure_dev in nodes])
else:
self._add_failure_stats(
[(failure_dev['replication_ip'],
failure_dev['device'])
for failure_dev in policy.object_ring.devs
if failure_dev])
continue
if not found_local:
self.logger.error("Can't find itself in policy with index %d with"
" ips %s and with port %s in ring file, not"
" replicating",
int(policy), ", ".join(ips), self.port)
return jobs
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()
def build_replication_jobs(self,
policy,
ips,
override_devices=None,
override_partitions=None):
"""
Helper function for collect_jobs to build jobs for replication
using replication style storage policy
"""
jobs = []
self.all_devs_info.update([(dev['replication_ip'], dev['device'])
for dev in policy.object_ring.devs if dev])
data_dir = get_data_dir(policy)
found_local = False
for local_dev in [
dev for dev in policy.object_ring.devs if
(dev and is_local_device(ips, self.port, dev['replication_ip'],
dev['replication_port']) and
(override_devices is None or dev['device'] in override_devices))
]:
found_local = True
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, data_dir)
tmp_path = join(dev_path, get_tmp_dir(policy))
if self.mount_check and not ismount(dev_path):
self._add_failure_stats([
(failure_dev['replication_ip'], failure_dev['device'])
for failure_dev in policy.object_ring.devs if failure_dev
])
self.logger.warning(_('%s is not mounted'),
local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
if (override_partitions is not None
and partition not in override_partitions):
continue
if (partition.startswith('auditor_status_')
and partition.endswith('.json')):
# ignore auditor status files
continue
part_nodes = None
try:
job_path = join(obj_path, partition)
part_nodes = policy.object_ring.get_part_nodes(
int(partition))
nodes = [
node for node in part_nodes
if node['id'] != local_dev['id']
]
jobs.append(
dict(path=job_path,
device=local_dev['device'],
obj_path=obj_path,
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
policy=policy,
partition=partition,
region=local_dev['region']))
except ValueError:
if part_nodes:
self._add_failure_stats([
(failure_dev['replication_ip'],
failure_dev['device']) for failure_dev in nodes
])
else:
self._add_failure_stats([
(failure_dev['replication_ip'],
failure_dev['device'])
for failure_dev in policy.object_ring.devs
if failure_dev
])
continue
if not found_local:
self.logger.error(
"Can't find itself in policy with index %d with"
" ips %s and with port %s in ring file, not"
" replicating", int(policy), ", ".join(ips), self.port)
return jobs
def relink(conf, logger, device):
diskfile_router = diskfile.DiskFileRouter(conf, logger)
found_policy = False
relinked = errors = 0
error_counter = {}
for policy in POLICIES:
diskfile_mgr = diskfile_router[policy]
policy.object_ring = None # Ensure it will be reloaded
policy.load_ring(conf['swift_dir'])
part_power = policy.object_ring.part_power
next_part_power = policy.object_ring.next_part_power
if not next_part_power or next_part_power == part_power:
continue
logger.info('Relinking files for policy %s under %s', policy.name,
conf['devices'])
found_policy = True
datadir = diskfile.get_data_dir(policy)
locks = [None]
states = {
"part_power": part_power,
"next_part_power": next_part_power,
"state": {},
}
relink_devices_filter = partial(devices_filter, device)
relink_hook_pre_device = partial(hook_pre_device, locks, states,
datadir)
relink_hook_post_device = partial(hook_post_device, locks)
relink_partition_filter = partial(partitions_filter, states,
part_power, next_part_power)
relink_hook_post_partition = partial(hook_post_partition, states,
STEP_RELINK, policy, diskfile_mgr)
relink_hashes_filter = partial(hashes_filter, next_part_power)
locations = audit_location_generator(
conf['devices'],
datadir,
mount_check=conf['mount_check'],
devices_filter=relink_devices_filter,
hook_pre_device=relink_hook_pre_device,
hook_post_device=relink_hook_post_device,
partitions_filter=relink_partition_filter,
hook_post_partition=relink_hook_post_partition,
hashes_filter=relink_hashes_filter,
logger=logger,
error_counter=error_counter)
if conf['files_per_second'] > 0:
locations = RateLimitedIterator(locations,
conf['files_per_second'])
for fname, _, _ in locations:
newfname = replace_partition_in_path(fname, next_part_power)
try:
diskfile.relink_paths(fname, newfname, check_existing=True)
relinked += 1
suffix_dir = os.path.dirname(os.path.dirname(newfname))
diskfile.invalidate_hash(suffix_dir)
except OSError as exc:
errors += 1
logger.warning("Relinking %s to %s failed: %s", fname,
newfname, exc)
return determine_exit_code(
logger=logger,
found_policy=found_policy,
processed=relinked,
action='relinked',
action_errors=errors,
error_counter=error_counter,
)
def test_main(self):
# Create container
# Kill one container/obj primary server
# Delete the default data directory for objects on the primary server
# Create container/obj (goes to two primary servers and one handoff)
# Kill other two container/obj primary servers
# Indirectly through proxy assert we can get container/obj
# Restart those other two container/obj primary servers
# Directly to handoff server assert we can get container/obj
# Assert container listing (via proxy and directly) has container/obj
# Bring the first container/obj primary server back up
# Assert that it doesn't have container/obj yet
# Run object replication for first container/obj primary server
# Run object replication for handoff node
# Assert the first container/obj primary server now has container/obj
# Assert the handoff server no longer has container/obj
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container)
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes[0]
obj = 'object-%s' % uuid4()
opart, onodes = self.object_ring.get_nodes(self.account, container,
obj)
onode = onodes[0]
kill_server(onode['port'], self.port2server, self.pids)
obj_dir = '%s/%s' % (self._get_objects_dir(onode),
get_data_dir(self.policy.idx))
shutil.rmtree(obj_dir, True)
self.assertFalse(os.path.exists(obj_dir))
client.put_object(self.url, self.token, container, obj, 'VERIFY')
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
# Kill all primaries to ensure GET handoff works
for node in onodes[1:]:
kill_server(node['port'], self.port2server, self.pids)
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
for node in onodes[1:]:
start_server(node['port'], self.port2server, self.pids)
self.assertFalse(os.path.exists(obj_dir))
# We've indirectly verified the handoff node has the object, but
# let's directly verify it.
another_onode = self.object_ring.get_more_nodes(opart).next()
odata = direct_client.direct_get_object(
another_onode,
opart,
self.account,
container,
obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
if odata != 'VERIFY':
raise Exception('Direct object GET did not return VERIFY, instead '
'it returned: %s' % repr(odata))
objs = [
o['name']
for o in client.get_container(self.url, self.token, container)[1]
]
if obj not in objs:
raise Exception('Container listing did not know about object')
timeout = time.time() + 5
found_objs_on_cnode = []
while time.time() < timeout:
for cnode in [
c for c in cnodes if cnodes not in found_objs_on_cnode
]:
objs = [
o['name'] for o in direct_client.direct_get_container(
cnode, cpart, self.account, container)[1]
]
if obj in objs:
found_objs_on_cnode.append(cnode)
if len(found_objs_on_cnode) >= len(cnodes):
break
time.sleep(0.3)
if len(found_objs_on_cnode) < len(cnodes):
missing = [
'%s:%s' % (cnode['ip'], cnode['port']) for cnode in cnodes
if cnode not in found_objs_on_cnode
]
raise Exception('Container servers %r did not know about object' %
missing)
start_server(onode['port'], self.port2server, self.pids)
self.assertFalse(os.path.exists(obj_dir))
exc = None
try:
direct_client.direct_get_object(
onode,
opart,
self.account,
container,
obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
exc = err
self.assertEquals(exc.http_status, 404)
self.assertFalse(os.path.exists(obj_dir))
try:
port_num = onode['replication_port']
except KeyError:
port_num = onode['port']
try:
another_port_num = another_onode['replication_port']
except KeyError:
another_port_num = another_onode['port']
num = (port_num - 6000) / 10
Manager(['object-replicator']).once(number=num)
another_num = (another_port_num - 6000) / 10
Manager(['object-replicator']).once(number=another_num)
odata = direct_client.direct_get_object(
onode,
opart,
self.account,
container,
obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
if odata != 'VERIFY':
raise Exception('Direct object GET did not return VERIFY, instead '
'it returned: %s' % repr(odata))
exc = None
try:
direct_client.direct_get_object(
another_onode,
opart,
self.account,
container,
obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
exc = err
self.assertEquals(exc.http_status, 404)
def test_main(self):
# Create container
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container,
headers={'X-Storage-Policy':
self.policy.name})
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes[0]
obj = 'object-%s' % uuid4()
opart, onodes = self.object_ring.get_nodes(
self.account, container, obj)
onode = onodes[0]
# Kill one container/obj primary server
kill_server((onode['ip'], onode['port']), self.ipport2server)
# Delete the default data directory for objects on the primary server
obj_dir = '%s/%s' % (self._get_objects_dir(onode),
get_data_dir(self.policy))
shutil.rmtree(obj_dir, True)
self.assertFalse(os.path.exists(obj_dir))
# Create container/obj (goes to two primary servers and one handoff)
client.put_object(self.url, self.token, container, obj, 'VERIFY')
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
# Stash the on disk data from a primary for future comparison with the
# handoff - this may not equal 'VERIFY' if for example the proxy has
# crypto enabled
direct_get_data = direct_client.direct_get_object(
onodes[1], opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
# Kill other two container/obj primary servers
# to ensure GET handoff works
for node in onodes[1:]:
kill_server((node['ip'], node['port']), self.ipport2server)
# Indirectly through proxy assert we can get container/obj
odata = client.get_object(self.url, self.token, container, obj)[-1]
if odata != 'VERIFY':
raise Exception('Object GET did not return VERIFY, instead it '
'returned: %s' % repr(odata))
# Restart those other two container/obj primary servers
for node in onodes[1:]:
start_server((node['ip'], node['port']), self.ipport2server)
self.assertFalse(os.path.exists(obj_dir))
# We've indirectly verified the handoff node has the object, but
# let's directly verify it.
# Directly to handoff server assert we can get container/obj
another_onode = next(self.object_ring.get_more_nodes(opart))
odata = direct_client.direct_get_object(
another_onode, opart, self.account, container, obj,
headers={'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
self.assertEqual(direct_get_data, odata)
# Assert container listing (via proxy and directly) has container/obj
objs = [o['name'] for o in
client.get_container(self.url, self.token, container)[1]]
if obj not in objs:
raise Exception('Container listing did not know about object')
timeout = time.time() + 5
found_objs_on_cnode = []
while time.time() < timeout:
for cnode in [c for c in cnodes if cnodes not in
found_objs_on_cnode]:
objs = [o['name'] for o in
direct_client.direct_get_container(
cnode, cpart, self.account, container)[1]]
if obj in objs:
found_objs_on_cnode.append(cnode)
if len(found_objs_on_cnode) >= len(cnodes):
break
time.sleep(0.3)
if len(found_objs_on_cnode) < len(cnodes):
missing = ['%s:%s' % (cnode['ip'], cnode['port']) for cnode in
cnodes if cnode not in found_objs_on_cnode]
raise Exception('Container servers %r did not know about object' %
missing)
# Bring the first container/obj primary server back up
start_server((onode['ip'], onode['port']), self.ipport2server)
# Assert that it doesn't have container/obj yet
self.assertFalse(os.path.exists(obj_dir))
try:
direct_client.direct_get_object(
onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
self.assertEqual(err.http_status, 404)
self.assertFalse(os.path.exists(obj_dir))
else:
self.fail("Expected ClientException but didn't get it")
# Run object replication for first container/obj primary server
_, num = get_server_number(
(onode['ip'], onode.get('replication_port', onode['port'])),
self.ipport2server)
Manager(['object-replicator']).once(number=num)
# Run object replication for handoff node
_, another_num = get_server_number(
(another_onode['ip'],
another_onode.get('replication_port', another_onode['port'])),
self.ipport2server)
Manager(['object-replicator']).once(number=another_num)
# Assert the first container/obj primary server now has container/obj
odata = direct_client.direct_get_object(
onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
self.assertEqual(direct_get_data, odata)
# Assert the handoff server no longer has container/obj
try:
direct_client.direct_get_object(
another_onode, opart, self.account, container, obj, headers={
'X-Backend-Storage-Policy-Index': self.policy.idx})
except ClientException as err:
self.assertEqual(err.http_status, 404)
else:
self.fail("Expected ClientException but didn't get it")