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Merge pull request #13784 from privateip/shared_module_openswitch
initial add of openswitch shared module
This commit is contained in:
Peter Sprygada
246
lib/ansible/module_utils/openswitch.py
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246
lib/ansible/module_utils/openswitch.py
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#
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# (c) 2015 Peter Sprygada, <psprygada@ansible.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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import time
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import json
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try:
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from runconfig import runconfig
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from opsrest.settings import settings
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from opsrest.manager import OvsdbConnectionManager
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from opslib import restparser
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HAS_OPS = True
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except ImportError:
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HAS_OPS = False
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NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
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NET_COMMON_ARGS = dict(
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host=dict(),
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port=dict(type='int'),
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username=dict(),
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password=dict(no_log=True),
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transport=dict(default='ssh', choices=['ssh', 'cli', 'rest']),
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)
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def to_list(val):
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if isinstance(val, (list, tuple)):
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return list(val)
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elif val is not None:
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return [val]
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else:
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return list()
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def get_idl():
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manager = OvsdbConnectionManager(settings.get('ovs_remote'),
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settings.get('ovs_schema'))
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manager.start()
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idl = manager.idl
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init_seq_no = 0
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while (init_seq_no == idl.change_seqno):
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idl.run()
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time.sleep(1)
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return idl
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def get_schema():
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return restparser.parseSchema(settings.get('ext_schema'))
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def get_runconfig():
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idl = get_idl()
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schema = get_schema()
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return runconfig.RunConfigUtil(idl, schema)
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class Response(object):
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def __init__(self, resp, hdrs):
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self.body = resp.read()
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self.headers = hdrs
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@property
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def json(self):
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try:
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return json.loads(self.body)
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except ValueError:
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return None
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class Rest(object):
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def __init__(self, module):
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self.module = module
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self.baseurl = None
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def connect(self):
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host = self.module.params['host']
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port = self.module.params['port']
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if self.module.params['use_ssl']:
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proto = 'https'
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if not port:
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port = 443
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else:
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proto = 'http'
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if not port:
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port = 80
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self.baseurl = '%s://%s:%s/rest/v1' % (proto, host, port)
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def _url_builder(self, path):
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if path[0] == '/':
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path = path[1:]
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return '%s/%s' % (self.baseurl, path)
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def send(self, method, path, data=None, headers=None):
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url = self._url_builder(path)
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data = self.module.jsonify(data)
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if headers is None:
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headers = dict()
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headers.update({'Content-Type': 'application/json'})
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resp, hdrs = fetch_url(self.module, url, data=data, headers=headers,
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method=method)
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return Response(resp, hdrs)
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def get(self, path, data=None, headers=None):
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return self.send('GET', path, data, headers)
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def put(self, path, data=None, headers=None):
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return self.send('PUT', path, data, headers)
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def post(self, path, data=None, headers=None):
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return self.send('POST', path, data, headers)
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def delete(self, path, data=None, headers=None):
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return self.send('DELETE', path, data, headers)
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class Cli(object):
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def __init__(self, module):
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self.module = module
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self.shell = None
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def connect(self, **kwargs):
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host = self.module.params['host']
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port = self.module.params['port'] or 22
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username = self.module.params['username']
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password = self.module.params['password']
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self.shell = Shell()
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self.shell.open(host, port=port, username=username, password=password)
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def send(self, commands, encoding='text'):
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return self.shell.send(commands)
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class OpsModule(AnsibleModule):
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def __init__(self, *args, **kwargs):
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super(OpsModule, self).__init__(*args, **kwargs)
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self.connection = None
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self._config = None
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self._runconfig = None
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@property
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def config(self):
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if not self._config:
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self._config = self.get_config()
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return self._config
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def connect(self):
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if self.params['transport'] == 'rest':
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self.connection = Rest(self)
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elif self.params['transport'] == 'cli':
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self.connection = Cli(self)
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try:
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self.connection.connect()
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except Exception, exc:
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self.fail_json(msg=exc.message)
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def configure(self, config):
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if self.params['transport'] == 'cli':
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commands = to_list(config)
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commands.insert(0, 'configure terminal')
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responses = self.execute(commands)
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responses.pop(0)
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return responses
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elif self.params['transport'] == 'rest':
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path = '/system/full-configuration'
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return self.connection.put(path, data=config)
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else:
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if not self._runconfig:
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self._runconfig = get_runconfig()
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self._runconfig.write_config_to_db(config)
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def execute(self, commands, **kwargs):
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try:
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return self.connection.send(commands, **kwargs)
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except Exception, exc:
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self.fail_json(msg=exc.message, commands=commands)
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def disconnect(self):
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self.connection.close()
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def parse_config(self, cfg):
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return parse(cfg, indent=4)
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def get_config(self):
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if self.params['transport'] == 'cli':
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return self.execute('show running-config')[0]
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elif self.params['transport'] == 'rest':
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resp = self.connection.get('/system/full-configuration')
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return resp.json
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else:
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if not self._runconfig:
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self._runconfig = get_runconfig()
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return self._runconfig.get_running_config()
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def get_module(**kwargs):
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"""Return instance of OpsModule
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"""
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argument_spec = NET_COMMON_ARGS.copy()
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if kwargs.get('argument_spec'):
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argument_spec.update(kwargs['argument_spec'])
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kwargs['argument_spec'] = argument_spec
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kwargs['check_invalid_arguments'] = False
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module = OpsModule(**kwargs)
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if not HAS_OPS and module.params['transport'] == 'ssh':
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module.fail_json(msg='could not import ops library')
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# HAS_PARAMIKO is set by module_utils/shell.py
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if module.params['transport'] == 'cli' and not HAS_PARAMIKO:
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module.fail_json(msg='paramiko is required but does not appear to be installed')
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# copy in values from local action.
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params = json_dict_unicode_to_bytes(json.loads(MODULE_COMPLEX_ARGS))
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for key, value in params.iteritems():
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module.params[key] = value
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if module.params['transport'] in ['cli', 'rest']:
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module.connect()
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return module
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