本文整理汇总了Python中swift.common.db.ContainerBroker.set_x_container_sync_points方法的典型用法代码示例。如果您正苦于以下问题：Python ContainerBroker.set_x_container_sync_points方法的具体用法？Python ContainerBroker.set_x_container_sync_points怎么用？Python ContainerBroker.set_x_container_sync_points使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类swift.common.db.ContainerBroker的用法示例。
在下文中一共展示了ContainerBroker.set_x_container_sync_points方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: container_sync
# 需要导入模块: from swift.common.db import ContainerBroker [as 别名]
# 或者: from swift.common.db.ContainerBroker import set_x_container_sync_points [as 别名]
def container_sync(self, path):
"""
Checks the given path for a container database, determines if syncing
is turned on for that database and, if so, sends any updates to the
other container.
:param path: the path to a container db
"""
broker = None
try:
broker = ContainerBroker(path)
info = broker.get_info()
x, nodes = self.container_ring.get_nodes(info['account'],
info['container'])
for ordinal, node in enumerate(nodes):
if node['ip'] in self._myips and node['port'] == self._myport:
break
else:
return
if not broker.is_deleted():
sync_to = None
sync_key = None
sync_point1 = info['x_container_sync_point1']
sync_point2 = info['x_container_sync_point2']
for key, (value, timestamp) in broker.metadata.iteritems():
if key.lower() == 'x-container-sync-to':
sync_to = value
elif key.lower() == 'x-container-sync-key':
sync_key = value
if not sync_to or not sync_key:
self.container_skips += 1
self.logger.increment('skips')
return
sync_to = sync_to.rstrip('/')
err = validate_sync_to(sync_to, self.allowed_sync_hosts)
if err:
self.logger.info(
_('ERROR %(db_file)s: %(validate_sync_to_err)s'),
{'db_file': broker.db_file,
'validate_sync_to_err': err})
self.container_failures += 1
self.logger.increment('failures')
return
stop_at = time() + self.container_time
next_sync_point = None
while time() < stop_at and sync_point2 < sync_point1:
rows = broker.get_items_since(sync_point2, 1)
if not rows:
break
row = rows[0]
if row['ROWID'] > sync_point1:
break
key = hash_path(info['account'], info['container'],
row['name'], raw_digest=True)
# This node will only initially sync out one third of the
# objects (if 3 replicas, 1/4 if 4, etc.) and will skip
# problematic rows as needed in case of faults.
# This section will attempt to sync previously skipped
# rows in case the previous attempts by any of the nodes
# didn't succeed.
if not self.container_sync_row(row, sync_to, sync_key,
broker, info):
if not next_sync_point:
next_sync_point = sync_point2
sync_point2 = row['ROWID']
broker.set_x_container_sync_points(None, sync_point2)
if next_sync_point:
broker.set_x_container_sync_points(None, next_sync_point)
while time() < stop_at:
rows = broker.get_items_since(sync_point1, 1)
if not rows:
break
row = rows[0]
key = hash_path(info['account'], info['container'],
row['name'], raw_digest=True)
# This node will only initially sync out one third of the
# objects (if 3 replicas, 1/4 if 4, etc.). It'll come back
# around to the section above and attempt to sync
# previously skipped rows in case the other nodes didn't
# succeed or in case it failed to do so the first time.
if unpack_from('>I', key)[0] % \
len(nodes) == ordinal:
self.container_sync_row(row, sync_to, sync_key,
broker, info)
sync_point1 = row['ROWID']
broker.set_x_container_sync_points(sync_point1, None)
self.container_syncs += 1
self.logger.increment('syncs')
except (Exception, Timeout) as err:
self.container_failures += 1
self.logger.increment('failures')
self.logger.exception(_('ERROR Syncing %s'),
broker.db_file if broker else path)示例2: container_sync
# 需要导入模块: from swift.common.db import ContainerBroker [as 别名]
# 或者: from swift.common.db.ContainerBroker import set_x_container_sync_points [as 别名]
def container_sync(self, path):
"""
Checks the given path for a container database, determines if syncing
is turned on for that database and, if so, sends any updates to the
other container.
:param path: the path to a container db
"""
try:
if not path.endswith(".db"):
return
broker = ContainerBroker(path)
info = broker.get_info()
x, nodes = self.container_ring.get_nodes(info["account"], info["container"])
for ordinal, node in enumerate(nodes):
if node["ip"] in self._myips and node["port"] == self._myport:
break
else:
return
if not broker.is_deleted():
sync_to = None
sync_key = None
sync_point1 = info["x_container_sync_point1"]
sync_point2 = info["x_container_sync_point2"]
for key, (value, timestamp) in broker.metadata.iteritems():
if key.lower() == "x-container-sync-to":
sync_to = value
elif key.lower() == "x-container-sync-key":
sync_key = value
if not sync_to or not sync_key:
self.container_skips += 1
return
sync_to = sync_to.rstrip("/")
err = validate_sync_to(sync_to, self.allowed_sync_hosts)
if err:
self.logger.info(
_("ERROR %(db_file)s: %(validate_sync_to_err)s"),
{"db_file": broker.db_file, "validate_sync_to_err": err},
)
self.container_failures += 1
return
stop_at = time() + self.container_time
while time() < stop_at and sync_point2 < sync_point1:
rows = broker.get_items_since(sync_point2, 1)
if not rows:
break
row = rows[0]
if row["ROWID"] >= sync_point1:
break
key = hash_path(info["account"], info["container"], row["name"], raw_digest=True)
# This node will only intially sync out one third of the
# objects (if 3 replicas, 1/4 if 4, etc.). This section
# will attempt to sync previously skipped rows in case the
# other nodes didn't succeed.
if unpack_from(">I", key)[0] % len(nodes) != ordinal:
if not self.container_sync_row(row, sync_to, sync_key, broker, info):
return
sync_point2 = row["ROWID"]
broker.set_x_container_sync_points(None, sync_point2)
while time() < stop_at:
rows = broker.get_items_since(sync_point1, 1)
if not rows:
break
row = rows[0]
key = hash_path(info["account"], info["container"], row["name"], raw_digest=True)
# This node will only intially sync out one third of the
# objects (if 3 replicas, 1/4 if 4, etc.). It'll come back
# around to the section above and attempt to sync
# previously skipped rows in case the other nodes didn't
# succeed.
if unpack_from(">I", key)[0] % len(nodes) == ordinal:
if not self.container_sync_row(row, sync_to, sync_key, broker, info):
return
sync_point1 = row["ROWID"]
broker.set_x_container_sync_points(sync_point1, None)
self.container_syncs += 1
except (Exception, Timeout), err:
self.container_failures += 1
self.logger.exception(_("ERROR Syncing %s"), (broker.db_file))