mirror of https://github.com/ansible/ansible.git
Merge pull request #15992 from ogenstad/asa
Module util, template action and doc fragment for Cisco ASApull/16459/head
Peter Sprygada
8 years ago
committed by
GitHub
commit
d83962d3f5
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#
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# (c) 2016 Peter Sprygada, <psprygada@ansible.com>
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# (c) 2016 Patrick Ogenstad, <@ogenstad>
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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 re
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from ansible.module_utils.basic import AnsibleModule, env_fallback, get_exception
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from ansible.module_utils.shell import Shell, ShellError, Command, HAS_PARAMIKO
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from ansible.module_utils.netcfg import parse
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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(required=True),
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port=dict(default=22, type='int'),
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show_command=dict(default='show running-config', choices=['show running-config', 'more system:running-config']),
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username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])),
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password=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD'])),
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ssh_keyfile=dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'),
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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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context=dict(required=False),
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provider=dict(),
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timeout=dict(default=10, type='int')
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)
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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"is not valid", 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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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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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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key_filename = self.module.params['ssh_keyfile']
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timeout = self.module.params['timeout']
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try:
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self.shell = Shell(kickstart=False, prompts_re=CLI_PROMPTS_RE,
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errors_re=CLI_ERRORS_RE)
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self.shell.open(host, port=port, username=username, password=password, key_filename=key_filename, timeout=timeout)
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except ShellError:
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e = get_exception()
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msg = 'failed to connect to %s:%s - %s' % (host, port, str(e))
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self.module.fail_json(msg=msg)
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def change_context(self):
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context = self.module.params['command']
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if context == 'system':
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command = 'changeto system'
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else:
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command = 'changeto context %s' % context
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self.send(Command(command))
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def authorize(self):
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passwd = self.module.params['auth_pass']
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self.send(Command('enable', prompt=NET_PASSWD_RE, response=passwd))
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def send(self, commands):
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return self.shell.send(commands)
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class NetworkModule(AnsibleModule):
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def __init__(self, *args, **kwargs):
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super(NetworkModule, self).__init__(*args, **kwargs)
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self.connection = None
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self._config = None
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self._connected = False
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self.filter = None
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@property
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def connected(self):
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return self._connected
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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 _load_params(self):
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super(NetworkModule, self)._load_params()
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provider = self.params.get('provider') or dict()
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for key, value in provider.items():
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if key in NET_COMMON_ARGS.keys():
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if self.params.get(key) is None and value is not None:
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self.params[key] = value
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def connect(self):
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self.connection = Cli(self)
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self.connection.connect()
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if self.params['authorize']:
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self.connection.authorize()
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self.connection.send('no terminal pager')
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if self.params['context']:
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if self.params['context'] == 'system':
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self.connection.send('changeto system')
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else:
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self.connection.send('changeto context %s' % self.params['context'])
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self._connected = True
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def configure(self, commands):
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commands = to_list(commands)
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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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def execute(self, commands, **kwargs):
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if not self.connected:
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self.connect()
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return self.connection.send(commands, **kwargs)
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def disconnect(self):
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self.connection.close()
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self._connected = False
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def parse_config(self, cfg):
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return parse(cfg, indent=1)
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def get_config(self):
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if self.filter:
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cmd = 'show running-config %s ' % self.filter
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else:
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cmd = self.params['show_command']
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if self.params.get('include_defaults'):
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cmd += ' all'
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return self.execute(cmd)[0]
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def get_module(**kwargs):
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"""Return instance of NetworkModule
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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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module = NetworkModule(**kwargs)
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# HAS_PARAMIKO is set by module_utils/shell.py
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if 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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return module
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@ -0,0 +1,26 @@
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#
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# Copyright 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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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.plugins.action import ActionBase
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from ansible.plugins.action.net_template import ActionModule as NetActionModule
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class ActionModule(NetActionModule, ActionBase):
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pass
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@ -0,0 +1,113 @@
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#
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# (c) 2016, Peter Sprygada <psprygada@ansible.com>
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# (c) 2016, Patrick Ogenstad <@ogenstad>
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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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class ModuleDocFragment(object):
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# Standard files documentation fragment
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DOCUMENTATION = """
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options:
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host:
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description:
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- Specifies the DNS host name or address for connecting to the remote
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device over the specified transport. The value of host is used as
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the destination address for the transport.
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required: true
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port:
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description:
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- Specifies the port to use when buiding the connection to the remote
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device. The port value will default to the well known SSH port
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of 22
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required: false
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default: 22
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username:
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description:
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- Configures the usename to use to authenticate the connection to
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the remote device. The value of I(username) is used to authenticate
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the SSH session. If the value is not specified in the task, the
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value of environment variable ANSIBLE_NET_USERNAME will be used instead.
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required: false
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password:
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description:
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- Specifies the password to use to authenticate the connection to
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the remote device. The value of I(password) is used to authenticate
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the SSH session. If the value is not specified in the task, the
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value of environment variable ANSIBLE_NET_PASSWORD will be used instead.
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required: false
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default: null
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ssh_keyfile:
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description:
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- Specifies the SSH key to use to authenticate the connection to
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the remote device. The value of I(ssh_keyfile) is the path to the
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key used to authenticate the SSH session. If the value is not specified
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in the task, the value of environment variable ANSIBLE_NET_SSH_KEYFILE
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will be used instead.
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required: false
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authorize:
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description:
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- Instructs the module to enter priviledged mode on the remote device
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before sending any commands. If not specified, the device will
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attempt to excecute all commands in non-priviledged mode. If the value
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is not specified in the task, the value of environment variable
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ANSIBLE_NET_AUTHORIZE will be used instead.
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required: false
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default: no
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choices: ['yes', 'no']
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auth_pass:
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description:
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- Specifies the password to use if required to enter privileged mode
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on the remote device. If I(authorize) is false, then this argument
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does nothing. If the value is not specified in the task, the value of
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environment variable ANSIBLE_NET_AUTH_PASS will be used instead.
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required: false
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default: none
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timeout:
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description:
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- Specifies idle timeout for the connection. Useful if the console
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freezes before continuing. For example when saving configurations.
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required: false
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default: 10
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provider:
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description:
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- Convience method that allows all M(ios) arguments to be passed as
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a dict object. All constraints (required, choices, etc) must be
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met either by individual arguments or values in this dict.
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required: false
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default: null
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show_command:
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description:
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- Specifies which command will be used to get the current configuration.
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By default the 'show running-config' command will be used, this command
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masks some passwords. For example ike passwords for VPN. If you need to
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match against masked passwords use 'more system:running-config'.
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Note that the 'more system:running-config' only works in the system
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context if you are running the ASA in multiple context mode.
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before sending any commands. If not specified, the device will
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required: false
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default: show running-config
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choices: ['show running-config', 'more system:running-config']
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context:
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description:
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- Specifies which context to target if you are running in the ASA in
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multiple context mode. Defaults to the current context you login to.
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required: false
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default: null
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"""
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Reference in New Issue