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# Copyright 2022 Acme Gating, LLC
#
# Licensed 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.
# Dump the data in ZK to the local filesystem.
import argparse
import os
import zlib
import kazoo.client
def getTree(client, root, path, decompress=False):
try:
data, zstat = client.get(path)
except kazoo.exceptions.NoNodeError:
print(f"No node at {path}")
return
if decompress:
try:
data = zlib.decompress(data)
except Exception:
pass
os.makedirs(root + path)
with open(root + path + '/ZKDATA', 'wb') as f:
f.write(data)
for child in client.get_children(path):
getTree(client, root, path + '/' + child, decompress)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('host', help='ZK host string')
parser.add_argument('path', help='Filesystem output path for data dump')
parser.add_argument('--cert', help='Path to TLS certificate')
parser.add_argument('--key', help='Path to TLS key')
parser.add_argument('--ca', help='Path to TLS CA cert')
parser.add_argument('--decompress', action='store_true',
help='Decompress data')
args = parser.parse_args()
kwargs = {}
if args.cert:
kwargs['use_ssl'] = True
kwargs['keyfile'] = args.key
kwargs['certfile'] = args.cert
kwargs['ca'] = args.ca
client = kazoo.client.KazooClient(args.host, **kwargs)
client.start()
getTree(client, args.path, '/zuul', args.decompress)
if __name__ == '__main__':
main()
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