mirror of
https://github.com/ansible-collections/community.general.git
synced 2025-04-26 12:21:26 -07:00
updates eos shared modules (#20738)
* eos module now uses network_cli connection plugin * adds unit tests for eos module * eapi support now provided by eapi module * updates doc fragment for eapi common properties
This commit is contained in:
Peter Sprygada
GitHub
parent
e8a00377ae
commit
ad83756b48
4 changed files with 559 additions and 283 deletions
259
lib/ansible/module_utils/eapi.py
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259
lib/ansible/module_utils/eapi.py
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@ -0,0 +1,259 @@
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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) 2017, Red Hat, Inc.
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#
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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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# * 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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# 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 time
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from ansible.module_utils.basic import env_fallback
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from ansible.module_utils.urls import fetch_url
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from ansible.module_utils.network_common import to_list
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_DEVICE_CONNECTION = None
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_DEVICE_CONFIGS = {}
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_SESSION_SUPPORT = None
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eapi_argument_spec = dict(
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host=dict(),
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port=dict(type='int'),
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url_username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME']), aliases=('username',)),
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url_password=dict(fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD']), aliases=('password',), no_log=True),
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authorize=dict(default=False, fallback=(env_fallback, ['ANSIBLE_NET_AUTHORIZE']), type='bool'),
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auth_pass=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_AUTH_PASS'])),
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provider=dict(type='dict'),
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# deprecated in Ansible 2.3
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transport=dict(),
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use_ssl=dict(type='bool', default=True),
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validate_certs=dict(type='bool', default=True),
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timeout=dict(default=10, type='int')
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)
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def check_args(module):
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for key in ('host', 'username', 'password'):
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if not module.params[key]:
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module.fail_json(msg='missing required argument %s' % key)
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if module.params['transport'] == 'cli':
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module.fail_json(msg='transport: cli is no longer supported, use '
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'connection=network_cli instead')
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class Eapi:
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def __init__(self, module):
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self._module = module
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self._enable = None
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host = module.params['host']
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port = module.params['port']
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if 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._url = '%s://%s:%s/command-api' % (proto, host, port)
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if module.params['auth_pass']:
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self._enable = {'cmd': 'enable', 'input': module.params['auth_pass']}
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else:
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self._enable = 'enable'
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def _request_builder(self, commands, output, reqid=None):
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params = dict(version=1, cmds=commands, format=output)
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return dict(jsonrpc='2.0', id=reqid, method='runCmds', params=params)
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def send_request(self, commands, output='text'):
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commands = to_list(commands)
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if self._enable:
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commands.insert(0, 'enable')
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body = self._request_builder(commands, output)
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data = self._module.jsonify(body)
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headers = {'Content-Type': 'application/json-rpc'}
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timeout = self._module.params['timeout']
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response, headers = fetch_url(
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self._module, self._url, data=data, headers=headers,
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method='POST', timeout=timeout
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)
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if headers['status'] != 200:
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module.fail_json(**headers)
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try:
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data = response.read()
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response = self._module.from_json(data)
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except ValueError:
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module.fail_json(msg='unable to load response from device', data=data)
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if self._enable and 'result' in response:
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response['result'].pop(0)
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return response
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def connection(module):
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global _DEVICE_CONNECTION
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if not _DEVICE_CONNECTION:
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_DEVICE_CONNECTION = Eapi(module)
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return _DEVICE_CONNECTION
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is_json = lambda x: str(x).endswith('| json')
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is_text = lambda x: not str(x).endswith('| json')
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def run_commands(module, commands):
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"""Runs list of commands on remote device and returns results
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"""
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output = None
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queue = list()
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responses = list()
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conn = connection(module)
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def _send(commands, output):
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response = conn.send_request(commands, output=output)
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if 'error' in response:
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err = response['error']
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module.fail_json(msg=err['message'], code=err['code'])
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return response['result']
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for item in to_list(commands):
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if all((output == 'json', is_text(item))) or all((output =='text', is_json(item))):
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responses.extend(_send(queue, output))
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queue = list()
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if is_json(item):
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output = 'json'
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else:
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output = 'text'
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queue.append(item)
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if queue:
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responses.extend(_send(queue, output))
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for index, item in enumerate(commands):
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if is_text(item):
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responses[index] = responses[index]['output'].strip()
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return responses
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def get_config(module, flags=[]):
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"""Retrieves the current config from the device or cache
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"""
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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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try:
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return _DEVICE_CONFIGS[cmd]
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except KeyError:
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conn = connection(module)
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out = conn.send_request(cmd)
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cfg = str(out['result'][0]['output']).strip()
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_DEVICE_CONFIGS[cmd] = cfg
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return cfg
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def supports_sessions(module):
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global _SESSION_SUPPORT
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if _SESSION_SUPPORT is not None:
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return _SESSION_SUPPORT
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conn = connection(module)
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response = conn.send_request(['show configuration sessions'])
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_SESSION_SUPPORT = 'error' not in response
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return _SESSION_SUPPORT
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def configure(module, commands):
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"""Sends the ordered set of commands to the device
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"""
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cmds = ['configure terminal']
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cmds.extend(commands)
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conn = connection(module)
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responses = conn.send_request(commands)
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if 'error' in response:
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err = response['error']
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module.fail_json(msg=err['message'], code=err['code'])
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return responses[1:]
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def load_config(module, config, commit=False, replace=False):
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"""Loads the configuration onto the remote devices
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If the device doesn't support configuration sessions, this will
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fallback to using configure() to load the commands. If that happens,
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there will be no returned diff or session values
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"""
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if not supports_sessions(module):
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return configure(module, commands)
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conn = connection(module)
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session = 'ansible_%s' % int(time.time())
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result = {'session': session}
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commands = ['configure session %s' % session]
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if replace:
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commands.append('rollback clean-config')
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commands.extend(config)
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response = conn.send_request(commands)
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if 'error' in response:
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commands = ['configure session %s' % session, 'abort']
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conn.send_request(commands)
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err = response['error']
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module.fail_json(msg=err['message'], code=err['code'])
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commands = ['configure session %s' % session, 'show session-config diffs']
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if commit:
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commands.append('commit')
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else:
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commands.append('abort')
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response = conn.send_request(commands, output='text')
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diff = response['result'][1]['output']
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if diff:
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result['diff'] = diff
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return result
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@ -4,7 +4,7 @@
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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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# Copyright (c) 2015 Peter Sprygada, <psprygada@ansible.com>
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# (c) 2016 Red Hat Inc.
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#
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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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@ -25,314 +25,114 @@
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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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import time
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from ansible.module_utils.basic import json, get_exception
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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.netcli import Command
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from ansible.module_utils.shell import CliBase
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from ansible.module_utils.urls import fetch_url, url_argument_spec
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from ansible.module_utils._text import to_native
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from ansible.module_utils.network_common import to_list
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EAPI_FORMATS = ['json', 'text']
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_DEVICE_CONFIGS = {}
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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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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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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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class EosConfigMixin(object):
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def check_authorization(module):
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for cmd in ['show clock', 'prompt()']:
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rc, out, err = module.exec_command(cmd)
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return out.endswith('#')
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### Config methods ###
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def supports_sessions(module):
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rc, out, err = module.exec_command('show configuration sessions')
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return rc == 0
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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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cmds.append('end')
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responses = self.execute(cmds)
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return responses[1:-1]
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def run_commands(module, commands):
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"""Run list of commands on remote device and return results
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"""
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responses = list()
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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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for cmd in to_list(commands):
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rc, out, err = module.exec_command(cmd)
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def load_config(self, config, commit=False, replace=False):
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if self.supports_sessions():
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return self.load_config_session(config, commit, replace)
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else:
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return self.configure(config)
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def load_config_session(self, config, commit=False, replace=False):
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""" Loads the configuration into the remote device
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"""
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session = 'ansible_%s' % int(time.time())
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commands = ['configure session %s' % session]
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if replace:
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commands.append('rollback clean-config')
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commands.extend(config)
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if commands[-1] != 'end':
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commands.append('end')
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if rc != 0:
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module.fail_json(msg=err)
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try:
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self.execute(commands)
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diff = self.diff_config(session)
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if commit:
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self.commit_config(session)
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else:
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self.execute(['no configure session %s' % session])
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except NetworkError:
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exc = get_exception()
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if 'timeout trying to send command' in to_native(exc):
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# try to get control back and get out of config mode
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if isinstance(self, Cli):
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self.execute(['\x03', 'end'])
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self.abort_config(session)
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diff = None
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raise
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return diff
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def save_config(self):
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self.execute(['copy running-config startup-config'])
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def diff_config(self, session):
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commands = ['configure session %s' % session,
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'show session-config diffs',
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'end']
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if isinstance(self, Eapi):
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response = self.execute(commands, output='text')
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response[-2] = response[-2].get('output').strip()
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else:
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response = self.execute(commands)
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return response[-2]
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def commit_config(self, session):
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commands = ['configure session %s' % session, 'commit']
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self.execute(commands)
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def abort_config(self, session):
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commands = ['configure session %s' % session, 'abort']
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self.execute(commands)
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def supports_sessions(self):
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try:
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if isinstance(self, Eapi):
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self.execute(['show configuration sessions'], output='text')
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else:
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self.execute('show configuration sessions')
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return True
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except NetworkError:
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return False
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class Eapi(EosConfigMixin):
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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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self.enable = None
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self.default_output = 'json'
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self._connected = False
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def _error(self, msg):
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raise NetworkError(msg, url=self.url)
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def _get_body(self, commands, output, reqid=None):
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"""Create a valid eAPI JSON-RPC request message
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"""
|
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if output not in EAPI_FORMATS:
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msg = 'invalid format, received %s, expected one of %s' % \
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(output, ', '.join(EAPI_FORMATS))
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self._error(msg=msg)
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|
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params = dict(version=1, cmds=commands, format=output)
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return dict(jsonrpc='2.0', id=reqid, method='runCmds', params=params)
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def connect(self, params, **kwargs):
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host = params['host']
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port = params['port']
|
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|
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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_args.params['timeout'] = params['timeout']
|
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|
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if 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.url = '%s://%s:%s/command-api' % (proto, host, port)
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self._connected = True
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def disconnect(self, **kwargs):
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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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if params.get('auth_pass'):
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passwd = params['auth_pass']
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self.enable = dict(cmd='enable', input=passwd)
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else:
|
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self.enable = 'enable'
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|
||||
### Command methods ###
|
||||
|
||||
def execute(self, commands, output='json', **kwargs):
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||||
"""Send commands to the device.
|
||||
"""
|
||||
if self.url is None:
|
||||
raise NetworkError('Not connected to endpoint.')
|
||||
|
||||
if self.enable is not None:
|
||||
commands.insert(0, self.enable)
|
||||
|
||||
body = self._get_body(commands, output)
|
||||
data = json.dumps(body)
|
||||
|
||||
headers = {'Content-Type': 'application/json-rpc'}
|
||||
timeout = self.url_args.params['timeout']
|
||||
|
||||
response, headers = fetch_url(
|
||||
self.url_args, self.url, data=data, headers=headers,
|
||||
method='POST', timeout=timeout
|
||||
)
|
||||
|
||||
if headers['status'] != 200:
|
||||
raise NetworkError(**headers)
|
||||
|
||||
try:
|
||||
response = json.loads(response.read())
|
||||
out = module.from_json(out)
|
||||
except ValueError:
|
||||
raise NetworkError('unable to load response from device')
|
||||
out = str(out).strip()
|
||||
|
||||
if 'error' in response:
|
||||
err = response['error']
|
||||
raise NetworkError(
|
||||
msg=err['message'], code=err['code'], data=err['data'],
|
||||
commands=commands
|
||||
)
|
||||
responses.append(out)
|
||||
return responses
|
||||
|
||||
if self.enable:
|
||||
response['result'].pop(0)
|
||||
def configure(module, commands):
|
||||
"""Sends configuration commands to the remote device
|
||||
"""
|
||||
if not check_authorization(module):
|
||||
module.fail_json(msg='configuration operations require privilege escalation')
|
||||
|
||||
return response['result']
|
||||
rc, out, err = module.exec_command('configure')
|
||||
if rc != 0:
|
||||
module.fail_json(msg='unable to enter configuration mode', output=err)
|
||||
|
||||
def run_commands(self, commands, **kwargs):
|
||||
output = None
|
||||
cmds = list()
|
||||
responses = list()
|
||||
for cmd in to_list(commands):
|
||||
if cmd == 'end':
|
||||
continue
|
||||
rc, out, err = module.exec_command(cmd)
|
||||
if rc != 0:
|
||||
module.fail_json(msg=err)
|
||||
|
||||
for cmd in commands:
|
||||
if output and output != cmd.output:
|
||||
responses.extend(self.execute(cmds, output=output))
|
||||
cmds = list()
|
||||
module.exec_command('end')
|
||||
|
||||
output = cmd.output
|
||||
cmds.append(str(cmd))
|
||||
def load_config(module, commands, commit=False, replace=False):
|
||||
"""Loads the config commands onto the remote device
|
||||
"""
|
||||
if not check_authorization(module):
|
||||
module.fail_json(msg='configuration operations require privilege escalation')
|
||||
|
||||
if cmds:
|
||||
responses.extend(self.execute(cmds, output=output))
|
||||
if not supports_sessions(module):
|
||||
return configure(commands)
|
||||
|
||||
for index, cmd in enumerate(commands):
|
||||
if cmd.output == 'text':
|
||||
responses[index] = responses[index].get('output')
|
||||
session = 'ansible_%s' % int(time.time())
|
||||
|
||||
return responses
|
||||
result = {'session': session}
|
||||
|
||||
### Config methods ###
|
||||
rc, out, err = module.exec_command('configure session %s' % session)
|
||||
if rc != 0:
|
||||
module.fail_json(msg='unable to enter configuration mode', output=err)
|
||||
|
||||
def get_config(self, include_defaults=False):
|
||||
cmd = 'show running-config'
|
||||
if include_defaults:
|
||||
cmd += ' all'
|
||||
return self.execute([cmd], output='text')[0]['output']
|
||||
if replace:
|
||||
module.exec_command('rollback clean-config', check_rc=True)
|
||||
|
||||
Eapi = register_transport('eapi')(Eapi)
|
||||
failed = False
|
||||
for command in to_list(commands):
|
||||
if command == 'end':
|
||||
pass
|
||||
|
||||
rc, out, err = module.exec_command(command)
|
||||
if rc != 0:
|
||||
failed = True
|
||||
break
|
||||
|
||||
class Cli(EosConfigMixin, CliBase):
|
||||
rc, out, err = module.exec_command('show session-config diffs')
|
||||
if rc == 0:
|
||||
result['diff'] = out
|
||||
|
||||
CLI_PROMPTS_RE = [
|
||||
re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
|
||||
re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
|
||||
]
|
||||
if failed:
|
||||
module.exec_command('abort')
|
||||
module.fail_json(msg=err, commands=commands)
|
||||
elif commit:
|
||||
module.exec_command('commit')
|
||||
else:
|
||||
module.exec_command('abort')
|
||||
|
||||
CLI_ERRORS_RE = [
|
||||
re.compile(r"% ?Error"),
|
||||
re.compile(r"^% \w+", re.M),
|
||||
re.compile(r"% ?Bad secret"),
|
||||
re.compile(r"invalid input", re.I),
|
||||
re.compile(r"(?:incomplete|ambiguous) command", re.I),
|
||||
re.compile(r"connection timed out", re.I),
|
||||
re.compile(r"[^\r\n]+ not found", re.I),
|
||||
re.compile(r"'[^']' +returned error code: ?\d+"),
|
||||
re.compile(r"[^\r\n]\/bin\/(?:ba)?sh")
|
||||
]
|
||||
|
||||
NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
|
||||
|
||||
def connect(self, params, **kwargs):
|
||||
super(Cli, self).connect(params, kickstart=False, **kwargs)
|
||||
self.shell.send('terminal length 0')
|
||||
|
||||
def authorize(self, params, **kwargs):
|
||||
passwd = params['auth_pass']
|
||||
if passwd:
|
||||
self.execute(Command('enable', prompt=self.NET_PASSWD_RE, response=passwd))
|
||||
else:
|
||||
self.execute('enable')
|
||||
|
||||
### Command methods ###
|
||||
|
||||
def run_commands(self, commands):
|
||||
cmds = list(prepare_commands(commands))
|
||||
responses = self.execute(cmds)
|
||||
for index, cmd in enumerate(commands):
|
||||
if cmd.output == 'json':
|
||||
try:
|
||||
responses[index] = json.loads(responses[index])
|
||||
except ValueError:
|
||||
raise NetworkError(
|
||||
msg='unable to load response from device',
|
||||
response=responses[index],
|
||||
responses=responses
|
||||
)
|
||||
return responses
|
||||
|
||||
Cli = register_transport('cli', default=True)(Cli)
|
||||
|
||||
|
||||
def prepare_config(commands):
|
||||
commands = to_list(commands)
|
||||
commands.insert(0, 'configure terminal')
|
||||
commands.append('end')
|
||||
return commands
|
||||
|
||||
|
||||
def prepare_commands(commands):
|
||||
jsonify = lambda x: '%s | json' % x
|
||||
for item in to_list(commands):
|
||||
if item.output == 'json':
|
||||
cmd = jsonify(item)
|
||||
elif item.command.endswith('| json'):
|
||||
item.output = 'json'
|
||||
cmd = str(item)
|
||||
else:
|
||||
cmd = str(item)
|
||||
yield cmd
|
||||
return result
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue