Building a network configuration

Even though there are a lot of resources on rendering and building network configurations, I was missing content that describes the pattern that I have been using for some time now. This post outlines the pattern I have been using and provides a toy example where that pattern is implemented.... [Read More]

Rust slice

data types

In Rust, the slice is a primitive type as well as a sequence type. I found slices very confusing at first. In the Rust book, slices are defined as ‘a dynamically-sized view into a contiguous sequence’. [Read More]

Rust tuple

data types

The Rust tuple is placed in several categories of types. For starters, the tuple is a primitive type. Among others, this means tuples have the Copy trait implemented, making them pass by value. [Read More]

Rust SSH

Learning Rust by building a CLI tool

Creating small CLI tools is a fun way to get more familiar with a programming language. If you are coming from an infrastructure background, a CLI tool that you can use to send commands to devices/servers might be considered a neat starting point getting into Rust. This is how I... [Read More]

Rust arrays

data types

In Rust, the array is the simplest of the sequence types (the others being slices and tuples). The array lives on the stack and has a fixed length. The length you declare an array with is part of it’s type and it is going to remain the same throughout the... [Read More]


GoSNMP is a very fun package to play with and learn about Go. It is easy to use and it can be made into doing something usefull quickly. The examples in the repo are clear and SNMP offers a fun way to play with channels and retrieving information from devices.... [Read More]
Tags: go automation

Working with JSON in Go

A little while ago, I decided to start learning Go. One of the things that I wanted to start out with was learning how to work with JSON. Coming from Python, the first thing I noticed was that working with JSON in Go is a bit more involved. [Read More]
Tags: go automation

Schedule the boring stuff with Python

The schedule module describes itself as ‘Python job scheduling for humans’. It is a nice package that I use for infrastructure related tasks and activities. The package (currently) prides itself for the following: A simple to use API for scheduling jobs. Very lightweight and no external dependencies. Excellent test coverage.... [Read More]


In the search for a framework that would allow me to plug my automations without too much fuss, I came across Nornir. I have been enjoying it so much that I decided to do write down an introduction for others. My hope is that this post will allow others to... [Read More]


Google TextFSM is a Python module that is written to make parsing text easier. It is a convenient way to turn CLI output into structured data. This blog covers a TextFSM example and shares the way in which I have been using TextFSM lately. [Read More]

Scrapli in SaltStack

Recently, I have been looking into a Python library called scrapli. You can use it for screen scraping and what led me to checking out this package is the fact that it is easy to tap into ssh2-python. This can offer quite some benefits in terms of speed and CPU... [Read More]

BFD protected LAG

A LAG combines multiple physical links between two adjacent nodes together to establish a single (virtual) link. This offers increased bandwidth, link efficiency and physical redundancy. [Read More]
Tags: juniper

SaltStack overview

Diving into SaltStack for the first time can be difficult and confusing. There is a lot of terminology involved that is going to be new. This makes it difficult to get a clear overview of how everything is working together and how the different parts might be useful to you.... [Read More]


Recently, I have been exploring NAPALM in relation to NX-OS. To connect to the device, I used the nxos driver which uses the NXAPI. This write-up contains some of the basic operations. I am using NAPALM version 2.5.0 and the NX-OS device is a Nexus7700 running 8.0(1). [Read More]