17bf3db06a
Remove line containing comment - # vim: tabstop=4 shiftwidth=4 softtabstop=4 Change-Id: I7581cc88b8de433d5609ed06c6570b0b45c13573 Closes-Bug:#1229324
53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from kazoo import client
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import six
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def _parse_hosts(hosts):
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if isinstance(hosts, six.string_types):
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return hosts.strip()
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if isinstance(hosts, (dict)):
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host_ports = []
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for (k, v) in six.iteritems(hosts):
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host_ports.append("%s:%s" % (k, v))
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hosts = host_ports
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if isinstance(hosts, (list, set, tuple)):
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return ",".join([str(h) for h in hosts])
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return hosts
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def make_client(conf):
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"""Creates a kazoo client given a configuration dictionary."""
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client_kwargs = {
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'read_only': bool(conf.get('read_only')),
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'randomize_hosts': bool(conf.get('randomize_hosts')),
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}
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hosts = _parse_hosts(conf.get("hosts", "localhost:2181"))
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if not hosts or not isinstance(hosts, six.string_types):
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raise TypeError("Invalid hosts format, expected "
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"non-empty string/list, not %s" % type(hosts))
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client_kwargs['hosts'] = hosts
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if 'timeout' in conf:
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client_kwargs['timeout'] = float(conf['timeout'])
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# Kazoo supports various handlers, gevent, threading, eventlet...
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# allow the user of this client object to optionally specify one to be
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# used.
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if 'handler' in conf:
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client_kwargs['handler'] = conf['handler']
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return client.KazooClient(**client_kwargs)
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