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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import zookeeper, time, threading
f = open("out.log","w")
zookeeper.set_log_stream(f)
connected = False
conn_cv = threading.Condition( )
def my_connection_watcher(handle,type,state,path):
global connected, conn_cv
print("Connected, handle is ", handle)
conn_cv.acquire()
connected = True
conn_cv.notifyAll()
conn_cv.release()
conn_cv.acquire()
print("Connecting to localhost:2181 -- ")
handle = zookeeper.init("localhost:2181", my_connection_watcher, 10000, 0)
while not connected:
conn_cv.wait()
conn_cv.release()
def my_getc_watch( handle, type, state, path ):
print("Watch fired -- ")
print(type, state, path)
ZOO_OPEN_ACL_UNSAFE = {"perms":0x1f, "scheme":"world", "id" :"anyone"};
try:
zookeeper.create(handle, "/zk-python", "data", [ZOO_OPEN_ACL_UNSAFE], 0)
zookeeper.get_children(handle, "/zk-python", my_getc_watch)
for i in xrange(5):
print("Creating sequence node ", i, " ", zookeeper.create(handle, "/zk-python/sequencenode", "data", [ZOO_OPEN_ACL_UNSAFE], zookeeper.SEQUENCE ))
except:
pass
def pp_zk(handle,root, indent = 0):
"""Pretty print(a zookeeper tree, starting at root)"""
def make_path(child):
if root == "/":
return "/" + child
return root + "/" + child
children = zookeeper.get_children(handle, root, None)
out = ""
for i in xrange(indent):
out += "\t"
out += "|---"+root + " :: " + zookeeper.get(handle, root, None)[0]
print(out)
for child in children:
pp_zk(handle,make_path(child),indent+1)
print("ZNode tree -- ")
pp_zk(handle,"/")
print("Getting ACL / Stat for /zk-python --")
(stat, acl) = zookeeper.get_acl(handle, "/zk-python")
print("Stat:: ", stat)
print("Acl:: ", acl)
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