mirror of
https://github.com/ansible-collections/community.general.git
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114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
#
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# (c) 2017 Red Hat Inc.
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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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import json
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import re
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from xml.etree.ElementTree import fromstring
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from ansible import constants as C
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from ansible.module_utils._text import to_text
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from ansible.errors import AnsibleConnectionFailure, AnsibleError
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from ansible.plugins.netconf import NetconfBase
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from ansible.plugins.netconf import ensure_connected
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try:
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from ncclient import manager
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from ncclient.operations import RPCError
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from ncclient.transport.errors import SSHUnknownHostError
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from ncclient.xml_ import to_ele, to_xml, new_ele
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except ImportError:
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raise AnsibleError("ncclient is not installed")
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class Netconf(NetconfBase):
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def get_text(self, ele, tag):
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try:
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return to_text(ele.find(tag).text, errors='surrogate_then_replace').strip()
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except AttributeError:
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pass
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def get_device_info(self):
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device_info = {}
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device_info['network_os'] = 'junos'
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data = self.execute_rpc('get-software-information')
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reply = fromstring(data)
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sw_info = reply.find('.//software-information')
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device_info['network_os_version'] = self.get_text(sw_info, 'junos-version')
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device_info['network_os_hostname'] = self.get_text(sw_info, 'host-name')
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device_info['network_os_model'] = self.get_text(sw_info, 'product-model')
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return device_info
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@ensure_connected
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def execute_rpc(self, rpc):
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"""RPC to be execute on remote device
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:rpc: Name of rpc in string format"""
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name = new_ele(rpc)
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return self.m.rpc(name).data_xml
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@ensure_connected
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def load_configuration(self, *args, **kwargs):
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"""Loads given configuration on device
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:format: Format of configuration (xml, text, set)
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:action: Action to be performed (merge, replace, override, update)
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:target: is the name of the configuration datastore being edited
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:config: is the configuration in string format."""
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return self.m.load_configuration(*args, **kwargs).data_xml
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def get_capabilities(self):
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result = {}
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result['rpc'] = self.get_base_rpc() + ['commit', 'discard_changes', 'validate', 'lock', 'unlock', 'copy_copy']
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result['network_api'] = 'netconf'
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result['device_info'] = self.get_device_info()
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result['server_capabilities'] = [c for c in self.m.server_capabilities]
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result['client_capabilities'] = [c for c in self.m.client_capabilities]
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result['session_id'] = self.m.session_id
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return json.dumps(result)
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@staticmethod
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def guess_network_os(obj):
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try:
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m = manager.connect(
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host=obj._play_context.remote_addr,
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port=obj._play_context.port or 830,
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username=obj._play_context.remote_user,
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password=obj._play_context.password,
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key_filename=str(obj.key_filename),
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hostkey_verify=C.HOST_KEY_CHECKING,
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look_for_keys=C.PARAMIKO_LOOK_FOR_KEYS,
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allow_agent=obj.allow_agent,
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timeout=obj._play_context.timeout
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)
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except SSHUnknownHostError as exc:
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raise AnsibleConnectionFailure(str(exc))
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guessed_os = None
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for c in m.server_capabilities:
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if re.search('junos', c):
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guessed_os = 'junos'
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m.close_session()
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return guessed_os
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