Published in Keycloak

·Pinned

Keycloak Essentials

Open Source Identity Solution for Applications, Services, and APIs In this post, we will see the core concept of Keycloak and application integration mechanisms. You can integrate frontend, mobile, monolithic application to microservice architecture. It gives the flexibility to export and import configuration easily and gives a single view to…

Authentication

3 min read

Jun 8

Error: error parsing template {{.data.”key-x”}}, template: output:1: bad character U+002D ‘-’

Error return by the Openshift cluster when using the oc tool to retrieve secrets with a key containing a dash(“-”) in it. Solution Let’s say the secret is defined in follow namespace & namespace: test name of the secret: `config-parameters` Secret kind: Secret apiVersion: v1 metadata: name: config-parameters namespace: test data: test-id…

Openshift

1 min read

Error: error parsing template {{.data.”key-x”}}, template: output:1: bad character U+002D ‘-’

Error return by the Openshift cluster when using the oc tool to retrieve secrets with a key containing a dash(“-”) in it.

Solution

Let’s say the secret is defined in follow namespace &

namespace: test
name of the secret: `config-parameters`

Secret

kind: Secret
apiVersion: v1
metadata:
  name: config-parameters
  namespace: test
data:
  test-id…

Apr 18

nodef found org.apache.kafka.common.serialization.stringserializer

Exception when you are trying to deploy a Kafka Producer/Consumer application as a jar. Problem I encountered this error while I was writing: Keycloak: Event Listener SPI & Publish to Kafka Example code Producer.java#L41 Here I defined the StringSerialized.class as a property for the Kafka Producer configuration. This application is deployed…

Java

1 min read

Published in Keycloak

·Mar 26

Secure JupyterLab using Keycloak

In this post, we will see how to secure JupyterLab & manage access for the JupyterLab notebook using Keycloak. I will be setting up the JupyterLab in the local system & require config changes for running it locally which will differ from the production setup. If you are not familiar…

Keycloak

3 min read

Published in Keycloak

·Mar 4

Secure a Svelte app & Golang service with Keycloak

In this post, we will learn about how to secure a Svelte fronted application & Golang service using Keycloak. If you are not familiar with the Keycloak basics, you can go through this post Essentials. Let’s get started. About the Application Created a simple svelte frontend application. Which has a click button on…

Keycloak

5 min read

Published in Keycloak

·Jun 7, 2021

Secure Kafka with Keycloak: SASL OAuth Bearer

This post will do a step-by-step configuration of the strimzi-operator (Apache Kafka) on Openshift. Expose an external listener as Openshift route over TLS and Securing the Kafka Cluster using Keycloak using SASL OAuth Bearer. If you don’t want to do a bunch of configurations. An easy option for you would…

Kafka

6 min read

Published in Keycloak

·May 28, 2021

Running Keycloak using PostgreSQL database

In this post, we will be going over how to configure the PostgreSQL database with Keycloak. Keycloak standard distribution comes with H2 embedded database. The process discussed in this post can be used for other supported databases like Mysql. Prerequisites Docker Keycloak (using version: 13.0.1) PostgreSQL JDBC 4.2 Driver, 42.2.20 git …

Keycloak

2 min read

Published in Keycloak

·Mar 5, 2021

Keycloak (as an Identity Provider) to secure Openshift

In this post, we will see using Keycloak as an Identity Provider for your Openshift cluster act as an Identity Broker. Visa versa can be possible. You can use Openshift as a provider for the Keycloak. We won’t be covering that scenario in this post. In simple terms, keycloak users…

3 min read

Using Keycloak(Identity Provider) to secure Openshift

Published in Operators

·Feb 28, 2021

ATO (2020) Tech Talk: Writing a Kubernetes/Openshift Operators Using Operator-SDK

https://2020.allthingsopen.org/speakers/abhishek-koserwal/ Workshop: How to design a Kubernetes/Openshift Operator In this post, we will see the process of designing an operator for your product with hands-on experience. This post is…akoserwal.medium.com

Operator Framework

1 min read

ATO (2020) Tech Talk: Writing a Kubernetes/Openshift Operators Using Operator-SDK

https://2020.allthingsopen.org/speakers/abhishek-koserwal/

Workshop: How to design a Kubernetes/Openshift Operator

In this post, we will see the process of designing an operator for your product with hands-on experience. This post is…

akoserwal.medium.com

Sep 26, 2020

Workshop: How to design a Kubernetes/Openshift Operator

In this post, we will see the process of designing an operator for your product with hands-on experience. This post is for people who are familiar with the operator pattern & may have tried operator-sdk/kubebuilder. If you aren’t please read my other post: Operator Pattern: Kubernetes/Openshift The main challenge for…

Operator Sdk

2 min read

Workshop: How to design a Kubernetes/Openshift Operator

Keycloak Essentials

Error: error parsing template {{.data.”key-x”}}, template: output:1: bad character U+002D ‘-’

Error: error parsing template {{.data.”key-x”}}, template: output:1: bad character U+002D ‘-’

Solution

Secret

nodef found org.apache.kafka.common.serialization.stringserializer

Secure JupyterLab using Keycloak

Secure a Svelte app & Golang service with Keycloak

Secure Kafka with Keycloak: SASL OAuth Bearer

Running Keycloak using PostgreSQL database

Keycloak (as an Identity Provider) to secure Openshift

ATO (2020) Tech Talk: Writing a Kubernetes/Openshift Operators Using Operator-SDK

ATO (2020) Tech Talk: Writing a Kubernetes/Openshift Operators Using Operator-SDK

Workshop: How to design a Kubernetes/Openshift Operator

In this post, we will see the process of designing an operator for your product with hands-on experience. This post is…

Workshop: How to design a Kubernetes/Openshift Operator

Abhishek koserwal