def __init__(self, path, zk_hosts, waiting_in_secs=5, sc=dummy_statsd,
file_path=None):
"""Constructor for the data watcher.
Args:
path: the path to the znode to watch the data change on.
zk_hosts: the zookeeper endpoint list.
the list should have the following format:
['observerzookeeper010:2181',
'observerzookeeper011:2181',
'observerzookeeper012:2181',
'observerzookeeper013:2181',
'observerzookeeper014:2181',
'observerzookeeper015:2181']
waiting_in_secs: the waiting time in seconds,
when the operations on zookeeper fail; by default, 5 second.
sc: the statsd client
file_path: the local file to watch. When it is set, the data
watcher does not talk to zk for monitoring data changes.
"""
self._path = path
self._path_stats_name = _escape_path_for_stats_name(path)
self._waiting_in_secs = waiting_in_secs
self.zk_hosts = zk_hosts
self._sc = sc
self._file_path = file_path
self._file_path_stats_name = _escape_path_for_stats_name(file_path)
# Stat is for allowing to return the stat of data with attribute
# 'version'
self.Stat = namedtuple('Stat', ['version'])
def __init__(self, path, zk_hosts, waiting_in_secs=5, sc=dummy_statsd,
file_path=None):
"""Constructor for the server set.
Args:
zk_hosts: the zk hosts list.
path: the root path of the server set.
waiting_in_secs: the waiting time in seconds,
when the operations on zookeeper fail; by default, 5 second.
sc: the statsd client
file_path: the local file to watch. When it is set, the server
set does not talk to zk for monitoring data changes.
"""
self._path = path
self._path_stats_name = _escape_path_for_stats_name(path)
self._waiting_in_secs = waiting_in_secs
self._is_destroyed = False
self.zk_hosts = zk_hosts
self._sc = sc
self._file_path = file_path
self._file_path_stats_name = _escape_path_for_stats_name(file_path)
