spi | The Blog Pros

April 22, 2022

Publish Keycloak Events to Kafka With a Custom SPI

In this post, you will build a custom extension known as Service Provider Interfaces (SPI) for Keycloak. The purpose of this SPI is to listen to the Keycloak events and publish these events to an Apache Kafka cluster as a topic per event type. These events will be consumed by a Quarkus consumer client application which will store and expose the API end-points that can be used for analysis like login counts when client x was created etc. For the demo, I am limiting the event types to only two events: Client and Client login. but all event types can be analyzed.

Event types:

March 4, 2019

Contributing an IoT LoRaWAN Raspberry Pi RAK831 Gateway to the Things Network

LoRa and LoRaWAN are getting the de-facto wireless IoT network in my area. It's no surprise that traditional telecom providers like Swisscom try to monetize the IoT sector. Luckily, there is an open and free alternative: https://www.thethingsnetwork.org/. Volunteers, enthusiasts, and members in the different TTN communities build gateways and offer free LoRaWAN network access. I wanted to contribute to that grassroots movement with building my gateway, providing LoRaWAN access to my neighborhood.

LoRaWAN TheThingsNetwork Gateway

Build an Advanced RAG App: Query Rewriting
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In the last article, I established the basic architecture for a basic RAG app. In case you missed that, I recommend that you first read that article. That will set the base from which we can improve our RAG system. Also in that last article, I listed s... […]
Contexts in Go: A Comprehensive Guide
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Contexts in Go provide a standard way to pass metadata and control signals between goroutines. They are mainly used to manage task execution time, data passing, and operation cancellation. This article covers different types of contexts in Go and examp... […]
Next-Gen Lie Detector: Stack Selection
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The first lie detector which relied on eye movement appeared in 2014. The Converus team together with Dr. John C. Kircher, Dr. David C. Raskin, and Dr. Anne Cook launched EyeDetect — a brand-new solution to detect deception quickly and accurately. This... […]
Applying the Pareto Principle To Learn a New Programming Language
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In this article, I will discuss how you can apply the Pareto principle to quickly learn a new programming language and start solving real-world problems while you develop a deeper understanding of the programming language. What Is the Pareto Principle?... […]
Enhance IaC Security With Mend Scans
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Whether on the cloud or setting up your AIOps pipeline, automation has simplified the setup, configuration, and installation of your deployment. Infrastructure as Code(IaC) especially plays an important role in setting up the infrastructure. With IaC t... […]