refactors ios shared module (#19850)
This allows the ios_* modules to take advantage of the new network_cli connection plugin by refactoring the ios shared module. Individual modules need to be udpated as well
This commit is contained in:
Peter Sprygada
GitHub
parent
630d10a27a
commit
d424a0468a
1 changed files with 57 additions and 195 deletions
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@ -1,209 +1,71 @@
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# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# (c) 2015 Peter Sprygada, <psprygada@ansible.com>
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# (c) 2016 Red Hat Inc.
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#
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# This file is part of Ansible
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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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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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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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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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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import re
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_DEVICE_CONFIGS = {}
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from ansible.module_utils.basic import json
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from ansible.module_utils.netcli import Command
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from ansible.module_utils.network import ModuleStub, NetworkError, NetworkModule
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from ansible.module_utils.network import add_argument, register_transport, to_list
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from ansible.module_utils.shell import CliBase
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from ansible.module_utils.six.moves.urllib.parse import urlparse
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from ansible.module_utils.urls import fetch_url, url_argument_spec
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def get_config(module, flags=[]):
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cmd = 'show running-config '
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cmd += ' '.join(flags)
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cmd = cmd.strip()
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add_argument('use_ssl', dict(default=True, type='bool'))
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add_argument('validate_certs', dict(default=True, type='bool'))
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try:
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return _DEVICE_CONFIGS[cmd]
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except KeyError:
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rc, out, err = module.exec_command(cmd)
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if rc != 0:
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module.fail_json(msg='unable to retrieve current config', stderr=err)
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cfg = str(out).strip()
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_DEVICE_CONFIGS[cmd] = cfg
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return cfg
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def run_commands(module, commands, check_rc=True):
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assert isinstance(commands, list), 'commands must be a list'
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responses = list()
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class Restconf(object):
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for cmd in commands:
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rc, out, err = module.exec_command(cmd)
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if check_rc and rc != 0:
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module.fail_json(msg=err, rc=rc)
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responses.append(out)
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return responses
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DEFAULT_HEADERS = {
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'Content-Type': 'application/json',
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'Accept': 'application/json'
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}
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def load_config(module, commands):
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assert isinstance(commands, list), 'commands must be a list'
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def __init__(self):
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self.url = None
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self.url_args = ModuleStub(url_argument_spec(), self._error)
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rc, out, err = module.exec_command('configure terminal')
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if rc != 0:
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module.fail_json(msg='unable to enter configuration mode', err=err)
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self.token = None
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self.link = None
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for command in commands:
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if command == 'end':
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continue
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rc, out, err = module.exec_command(command)
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if rc != 0:
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module.fail_json(msg=err, command=command, rc=rc)
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self._connected = False
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self.default_output = 'text'
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def _error(self, msg):
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raise NetworkError(msg, url=self.url)
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def connect(self, params, **kwargs):
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host = params['host']
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port = params['port'] or 55443
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# sets the module_utils/urls.py req parameters
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self.url_args.params['url_username'] = params['username']
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self.url_args.params['url_password'] = params['password']
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self.url_args.params['validate_certs'] = params['validate_certs']
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self.url = 'https://%s:%s/api/v1/' % (host, port)
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response = self.post('auth/token-services')
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self.token = response['token-id']
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self.link = response['link']
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self._connected = True
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def disconnect(self, **kwargs):
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self.delete(self.link)
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self.url = None
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self._connected = False
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def authorize(self, params, **kwargs):
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raise NotImplementedError
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### REST methods ###
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def request(self, method, path, data=None, headers=None):
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headers = headers or self.DEFAULT_HEADERS
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if self.token:
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headers['X-Auth-Token'] = self.token
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if path.startswith('/'):
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path = path[1:]
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url = urlparse.urljoin(self.url, path)
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if data:
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data = json.dumps(data)
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response, headers = fetch_url(self.url_args, url, data=data,
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headers=headers, method=method)
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if not 200 <= headers['status'] <= 299:
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raise NetworkError(response=response, **headers)
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if int(headers['content-length']) > 0:
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if headers['content-type'].startswith('application/json'):
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response = json.load(response)
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elif headers['content-type'].startswith('text/plain'):
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response = str(response.read())
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return response
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def get(self, path, data=None, headers=None):
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return self.request('GET', path, data, headers)
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def put(self, path, data=None, headers=None):
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return self.request('PUT', path, data, headers)
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def post(self, path, data=None, headers=None):
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return self.request('POST', path, data, headers)
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def delete(self, path, data=None, headers=None):
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return self.request('DELETE', path, data, headers)
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### Command methods ###
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def run_commands(self, commands, **kwargs):
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responses = list()
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commands = [str(c) for c in commands]
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for cmd in commands:
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if str(cmd).startswith('show '):
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cmd = str(cmd)[4:]
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responses.append(self.execute(str(cmd)))
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return responses
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def execute(self, command, **kwargs):
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data = dict(show=command)
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response = self.put('global/cli', data=data)
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return response['results']
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### Config methods ###
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def configure(self, commands):
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config = list()
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for c in commands:
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config.append(str(c))
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data = dict(config='\n'.join(config))
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self.put('global/cli', data=data)
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def load_config(self, commands, **kwargs):
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return self.configure(commands)
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def get_config(self, **kwargs):
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hdrs = {'Content-type': 'text/plain', 'Accept': 'text/plain'}
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return self.get('global/running-config', headers=hdrs)
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def save_config(self):
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self.put('/api/v1/global/save-config')
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Restconf = register_transport('restconf')(Restconf)
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class Cli(CliBase):
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CLI_PROMPTS_RE = [
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re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
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re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
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]
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CLI_ERRORS_RE = [
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re.compile(r"% ?Error"),
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re.compile(r"% ?Bad secret"),
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re.compile(r"invalid input", re.I),
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re.compile(r"(?:incomplete|ambiguous) command", re.I),
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re.compile(r"connection timed out", re.I),
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re.compile(r"[^\r\n]+ not found", re.I),
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re.compile(r"'[^']' +returned error code: ?\d+"),
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]
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NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
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def connect(self, params, **kwargs):
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super(Cli, self).connect(params, kickstart=False, **kwargs)
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self.shell.send('terminal length 0')
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def authorize(self, params, **kwargs):
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passwd = params['auth_pass']
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self.execute(Command('enable', prompt=self.NET_PASSWD_RE, response=passwd))
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### Config methods ###
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def configure(self, commands, **kwargs):
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cmds = ['configure terminal']
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cmds.extend(to_list(commands))
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if cmds[-1] != 'end':
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cmds.append('end')
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responses = self.execute(cmds)
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return responses[1:]
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def get_config(self, include_defaults=False, **kwargs):
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cmd = 'show running-config'
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if include_defaults:
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cmd += ' all'
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return self.execute([cmd])[0]
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def load_config(self, commands, **kwargs):
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return self.configure(commands)
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def save_config(self):
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self.execute(['copy running-config startup-config'])
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Cli = register_transport('cli', default=True)(Cli)
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module.exec_command('end')
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