Stories Tag: operators

Kubernetes operator best practices: Implementing observedGeneration | by Alena Varkockova | Feb, 2021 | Medium

admin 4 weeks ago in

There’s a lot of hidden knowledge in core controllers and api conventions doc that is not followed by many controllers in the wild. One of these patterns is observedGeneration. Let’s take a closer look at what problems it can help solve. Kubernetes resources typically enforce spec and status separation. That means that the desired state (‘spec’ part of the object) and status (‘status’ part of…

How to deploy Splunk in an OpenShift environment | by Eduardo Patrocinio | IBM Garage | Dec, 2020 | Medium

admin 2 months ago in

The introduction of Operators made it very simple to install complicated things in OpenShift (and any Kubernetes environment). Take, for example, Splunk Enterprise. It used to take a long sequence of commands to install all the Kubernetes artifacts. Now, with the Splunk Operator (https://splunk.github.io/splunk-operator/), it’s straightforward to install it in an OpenShift environment. In this article, I will show how to deploy Splunk Enterprise using…

Build your Microservices the Easy Way with OperatorHub | by masamh | Dec, 2020 | Medium

admin 3 months ago in

On the 19th of December, Lungelo Sikobi and I delivered a workshop on OperatorHub on Red Hat OpenShift as part of the IBM Developer Series.In the workshop, we gave an overview of Operators and OperatorHub then we moved on to the code lab where we demonstrated the OpenShift Serverless Operator. In this blog, I’m sharing an overview of the workshop which you can also watch…

Introducing ds-operator, the ForgeRock Directory Services Operator for Kubernetes | by Warren Strange | Dec, 2020 | Medium

admin 3 months ago in

Originally published at https://warrenstrange.blogspot.com on December 16, 2020. ForgeRock Directory Services 7.0 was a big achievement for the Grenoble Directory team. It is the only “Kubernetes native” directory where you can add a new replica using kubectl: kubectl scale sts/ds-idrepo — replicas=3 The 7.0 deployment is assembled using standard Kubernetes primitives such as StatefulSets, Persistent Volume Claims, and Services. This is all built and orchestrated…

Build Your Kubernetes Operator with the Right Tool | by Rafał Leszko | Nov, 2020 | Medium

admin 3 months ago in

You want to build a Kubernetes Operator for your software. Which tool to choose from? Operator SDK with Helm, Ansible, or Go? Or maybe start from scratch with Python, Java, or any other programming language? In this blog post, I discuss different approaches to writing Kubernetes Operators and list each solution’s pros and cons. All that to help you decide which tool is the right…

Kubernetes Secret and Configmap sync | by Kaan Karakaya | Oct, 2020 | Medium

admin 4 months ago in

Hi, Today I want to talk about why I wrote k8s secret sync operator and how did I Code it. Sometimes we want to use secrets in different namespaces, unfortunately, we can’t do without any helper operators or manual copying because in kubernetes secrets and configmaps are namespace. We can copy secrets and configmaps when we have a couple of namespaces and secrets. But when…

Kubernetes’de Secret ve ConfigMap Senkronizasyon’u – Devops Türkiye☁️ 🐧 🐳 ☸️ – Medium

admin 5 months ago in

Selamlar, Bu gün k8s için neden secretler’i senkronize eden bir operator yazdığımı, nasıl yazdığımı anlatmaya çalışacağım. Kubernetes’de bazı durumlarda secretleri veya ConfigMap’leri başka namespace’lerde de kullanmak isteyebiliyoruz. Kubernetes’de secretler ve ConfigMap’ler namespace bazlı olduğu için farklı bir namespace’den kullanamıyoruz. Kullanmak icin ise secreti veya configmap’i kullanacağımız namespace e kopyalamamız lazım. Birden fazla namespace veya secret olduğunda bu iş baya bir zor olabiliyor. Bende bunun için…

Kubernetes’de Secret ve ConfigMap Senkronizasyon’u – Kaan Karakaya – Medium

admin 5 months ago in

Selamlar, Bu gün k8s için neden secretler’i senkronize eden bir operator yazdığımı, nasıl yazdığımı anlatmaya çalışacağım. Kubernetes’de bazı durumlarda secretleri veya ConfigMap’leri başka namespace’lerde de kullanmak isteyebiliyoruz. Kubernetes’de secretler ve ConfigMap’ler namespace bazlı olduğu için farklı bir namespace’den kullanamıyoruz. Kullanmak icin ise secreti veya configmap’i kullanacağımız namespace e kopyalamamız lazım. Birden fazla namespace veya secret olduğunda bu iş baya bir zor olabiliyor. Bende bunun için…

ARCUS Operator on Kubernetes. What is an Operator? | by JaM2in | Oct, 2020 | Medium

admin 5 months ago in

Over the last few years, many companies have abandoned traditional Monolith architecture and have adopted Microservice architecture and by that naturally changing the way the software operates. As container technologies are becoming more popular, Kubernetes — a representative orchestration tool that naturally helps automate distributed container environments is increasingly being used. The benefits of the container orchestration technology such as Kubernetes’ scheduling, scaling, self-healing, resource…

ARCUS Operator on Kubernetes. Operator는 무엇인가요? | by JaM2in | Oct, 2020 | Medium

admin 5 months ago in

최근 많은 기업들이 어플리케이션 아키텍처로서, 기존 모노리스 아키텍처 방식을 버리고 마이크로 서비스 아키텍처를 도입하면서 자연스럽게 소프트웨어의 운영 방식에도 많은 변화가 일어났습니다. 수많은 서비스들을 빠른 시간내에 배포하는 작업이 빈번히 요구되는 운영 환경 조건들을 충족해줄 수 있는 컨테이너 기술들이 인기가 많아짐에 따라 자연스레 분산 컨테이너 환경을 자동화할 수 있도록 돕는 대표적 오케스트레이션 툴인 Kubernetes를 점차 활용하고 있는 추세입니다. Kubernetes의 스케줄링, 스케일링, 자가 회복, 리소스 관리 등 어플리케이션…