Zookeeper Tools
Project description
zktools is a package of tools implementing higher level constructs using Apache Zookeeper.
It currently provides:
Configuration - Zookeeper Configuration Helpers to store and load configuration information stored in Zookeeper nodes.
Locks - A Zookeeper lock with support for non-blocking acquire, modeled on Python’s Lock objects that also includes a Revocable Shared Locks with Freaking Laser Beams described in the Zookeeper Recipe’s.
See the full docs for more information.
License
zktools is offered under the MPL license.
Changelog
0.2.1 (02/16/2012)
Fixed packaging bug.
0.2 (02/03/2012)
Changes
Added context manager return to lock to allow use of the ‘with’ statement.
Refactored to use zc.zk ZooKeeper library for higher level Zookeeper abstraction with automatic watch re-establishment.
Features
Node object to retrieve ZNode data from Zookeeper and keep it up to date.
Node objects can have data and children subscribers.
NodeDict object that maps a shallow tree (one level of children) into a dict-like object.
Backward Incompatibilities
SharedZkLock has been refactored into ZkWriteLock and ZkReadLock.
revoked is a property of Locks, not a method.
ZkConnection is gone, lock objects, ZkNode, and ZkNodeDict all expect zc.zk ZooKeeper instances.
0.1 (11/22/2011)
Features
Lock implementation, with revokable shared locks.
Zookeeper connection object with automatic reconnect.
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