The Nornir Framework

Nornir (https://nornir.readthedocs.io/en/latest/) is a pure Python automation framework intended to be used directly from Python. We will start with installing nornir in our environment:

(venv)$ pip install nornir nornir_utils nornir_netmiko

Nornir expects us to define an inventory file, hosts.yaml, consisting of the device information in a YAML format. The information specified in this file is no different than what we have previously defined using the Python dictionary in the Netmiko example:

---
lax-edg-r1:
    hostname: '192.168.2.51'
    port: 22
    username: 'cisco'
    password: 'cisco'
    platform: 'cisco_ios'
lax-edg-r2:
    hostname: '192.168.2.52'
    port: 22
    username: 'cisco'
    password: 'cisco'
    platform: 'cisco_ios'

We can use the netmiko plugin from the nornir library to interact with our device, as illustrated in the chapter2_5.py file:

#!/usr/bin/env python...