nxosncrpc's Introduction

Python - nxosNCRPC Library 0.1

Author:       David Gee, copyright (C) 2014, ipengineer.net
Date:         17th of November 2014
Version:      0.1
Site:         http://ipengineer.net
Notes:		  Absolutely no error handling exists. Wrap usage with try:/except: to catch problems!

This class generates Cisco Nexus hello, close and RPC NETCONF messages for wrapping CLI commands.

Use this code to test:

from nxosNCRPC install *

# Create a call1 object with message-id of '42'
call1 = nxosNCRPC("42")
call1.add_command("conf t")
call1.add_command("int eth2/1")
call1.add_command("shut")
# Some built in helper functions to provide the NETCONF hello, the actual RPC message and the NETCONF close messages
print call1.hello()
print call1.message()
print call1.close()

The output this code generates can be copy and pasted in to an SSH session to test. From the bash, to connect to a Cisco Nexus NETCONF subsystem try the below.

ssh [email protected] -s netconf

Once you're logged in, copy and paste output generated like below. Once you're happy the code is functioning, you can then use something like Paramiko to programmatically send/receive data to and from NETCONF server.

<?xml version="1.0" encoding="ISO-8859-1"?>
<hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <capabilities>
    <capability>urn:ietf:params:xml:ns:netconf:base:1.0</capability>
    <capability>urn:ietf:params:netconf:base:1.0</capability>
  </capabilities>
</hello>
]]>]]>

<?xml version='1.0' encoding='ISO-8859-1'?>
<nc:rpc xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nxos="http://www.cisco.com/nxos:1.0" message-id="42">
  <nxos:exec-command>
    <nxos:cmd>conf t</nxos:cmd>
    <nxos:cmd>int eth2/1</nxos:cmd>
    <nxos:cmd>shut</nxos:cmd>
  </nxos:exec-command>
</nc:rpc>
]]>]]>

<?xml version="1.0"?>
<nc:rpc message-id="101" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns="http://www.cisco.com/nxos:1.0">
  <nc:close-session/>
</nc:rpc>
]]>]]>

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