edit-config-permit-netconf.py

#!/usr/bin/env python
#
# Copyright (c) 2017  Krishna Kotha <krkotha@cisco.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# This script retrieves entire configuration from a network element via NETCONF 
# prints it out in a "pretty" XML tree.)
#
#   Installing python dependencies:
#    > pip install lxml ncclient
#
#    Running script: (save as example.py)
#    > python example.py --host 172.26.198.63 -u cisco -p cisco 

import sys
from argparse import ArgumentParser
from ncclient import manager
import xml.dom.minidom
 
data = '''
  <config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <nacm xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-acm">
    <rule-list>
      <name>priv04-group</name>
      <group>PRIV04</group>
      <rule>
        <name>permit-netconf-rpc</name>
        <module-name>ietf-netconf</module-name>
        <access-operations>exec</access-operations>
        <action>permit</action>
      </rule>
    </rule-list>
  </nacm>
  </config>
'''

if __name__ == '__main__':
    parser = ArgumentParser(description='Select options.')
    # Input parameters
    parser.add_argument('--host', type=str, required=True,
                        help="The device IP or DN")
    parser.add_argument('-u', '--username', type=str, default='cisco',
                        help="Go on, guess!")
    parser.add_argument('-p', '--password', type=str, default='cisco',
                        help="Yep, this one too! ;-)")
    parser.add_argument('--port', type=int, default=830,
                        help="Specify this if you want a non-default port")
    args = parser.parse_args()
    m =  manager.connect(host=args.host,
                         port=args.port,
                         username=args.username,
                         password=args.password,
                         device_params={'name':"csr"})
    # Pretty print the XML reply
    xmlDom = xml.dom.minidom.parseString( str( m.edit_config(data, target='running') ) )
    print xmlDom.toprettyxml( indent = "  " )