#
# (c) 2017 Red Hat Inc.
# (c) 2017 Kedar Kekan (kkekan@redhat.com)
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see .
#
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import json
import re
import sys
import collections
from io import BytesIO
from ansible.module_utils.six import StringIO
from ansible import constants as C
from ansible.module_utils.network.iosxr.iosxr import build_xml
from ansible.errors import AnsibleConnectionFailure, AnsibleError
from ansible.plugins.netconf import NetconfBase
from ansible.plugins.netconf import ensure_connected
try:
from ncclient import manager
from ncclient.operations import RPCError
from ncclient.transport.errors import SSHUnknownHostError
from ncclient.xml_ import to_ele, to_xml, new_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
try:
from lxml import etree
except ImportError:
raise AnsibleError("lxml is not installed")
def transform_reply():
reply = '''
'''
if sys.version < '3':
return reply
else:
return reply.encode('UTF-8')
# Note: Workaround for ncclient 0.5.3
def remove_namespaces(rpc_reply):
xslt = transform_reply()
parser = etree.XMLParser(remove_blank_text=True)
xslt_doc = etree.parse(BytesIO(xslt), parser)
transform = etree.XSLT(xslt_doc)
return etree.fromstring(str(transform(etree.parse(StringIO(str(rpc_reply))))))
class Netconf(NetconfBase):
@ensure_connected
def get_device_info(self):
device_info = {}
device_info['network_os'] = 'iosxr'
install_meta = collections.OrderedDict()
install_meta.update([
('boot-variables', {'xpath': 'install/boot-variables', 'tag': True}),
('boot-variable', {'xpath': 'install/boot-variables/boot-variable', 'tag': True, 'lead': True}),
('software', {'xpath': 'install/software', 'tag': True}),
('alias-devices', {'xpath': 'install/software/alias-devices', 'tag': True}),
('alias-device', {'xpath': 'install/software/alias-devices/alias-device', 'tag': True}),
('m:device-name', {'xpath': 'install/software/alias-devices/alias-device/device-name', 'value': 'disk0:'}),
])
install_filter = build_xml('install', install_meta, opcode='filter')
reply = self.get(install_filter)
ele_boot_variable = etree.fromstring(reply).find('.//boot-variable/boot-variable')
if ele_boot_variable is not None:
device_info['network_os_image'] = re.split('[:|,]', ele_boot_variable.text)[1]
ele_package_name = etree.fromstring(reply).find('.//package-name')
if ele_package_name is not None:
device_info['network_os_package'] = ele_package_name.text
device_info['network_os_version'] = re.split('-', ele_package_name.text)[-1]
hostname_filter = build_xml('host-names', opcode='filter')
reply = self.get(hostname_filter)
hostname_ele = etree.fromstring(reply).find('.//host-name')
device_info['network_os_hostname'] = hostname_ele.text if hostname_ele is not None else None
return device_info
def get_capabilities(self):
result = dict()
result['rpc'] = self.get_base_rpc() + ['commit', 'discard_changes', 'validate', 'lock', 'unlock', 'get-schema']
result['network_api'] = 'netconf'
result['device_info'] = self.get_device_info()
result['server_capabilities'] = [c for c in self.m.server_capabilities]
result['client_capabilities'] = [c for c in self.m.client_capabilities]
result['session_id'] = self.m.session_id
return json.dumps(result)
@staticmethod
def guess_network_os(obj):
try:
m = manager.connect(
host=obj._play_context.remote_addr,
port=obj._play_context.port or 830,
username=obj._play_context.remote_user,
password=obj._play_context.password,
key_filename=obj._play_context.private_key_file,
hostkey_verify=C.HOST_KEY_CHECKING,
look_for_keys=C.PARAMIKO_LOOK_FOR_KEYS,
allow_agent=obj._play_context.allow_agent,
timeout=obj._play_context.timeout
)
except SSHUnknownHostError as exc:
raise AnsibleConnectionFailure(str(exc))
guessed_os = None
for c in m.server_capabilities:
if re.search('IOS-XR', c):
guessed_os = 'iosxr'
break
m.close_session()
return guessed_os
# TODO: change .xml to .data_xml, when ncclient supports data_xml on all platforms
@ensure_connected
def get(self, *args, **kwargs):
try:
response = self.m.get(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_connected
def get_config(self, *args, **kwargs):
try:
response = self.m.get_config(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_connected
def edit_config(self, *args, **kwargs):
try:
response = self.m.edit_config(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_connected
def commit(self, *args, **kwargs):
try:
response = self.m.commit(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_connected
def validate(self, *args, **kwargs):
try:
response = self.m.validate(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_connected
def discard_changes(self, *args, **kwargs):
try:
response = self.m.discard_changes(*args, **kwargs)
return to_xml(remove_namespaces(response))
except RPCError as exc:
raise Exception(to_xml(exc.xml))