OpenShift Archives - Red Hat Developer

Introduction to the Red Hat OpenShift deployment extension for Microsoft Azure DevOps

By Luca Stocchi December 5, 2019December 4, 2019

We are extremely pleased to present the new version of the Red Hat OpenShift deployment extension (OpenShift VSTS) 1.4.0 for Microsoft Azure DevOps. This extension enables users to deploy their applications to any OpenShift cluster directly from their Microsoft Azure DevOps account. In this article, we will look at how to install and use this extension as part of a YAML-defined pipeline with both Microsoft-hosted and self-hosted agents.

Note: The OpenShift VSTS extension can be downloaded directly from the marketplace at this link.

This article offers a demonstration where we explain how easy it is to set up everything and start working with the extension. Look at the README file for further installation and usage information.

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Handling Angular environments in continuous delivery with Red Hat OpenShift

By Mikel Sanchez November 27, 2019November 25, 2019

In this article, I will cover how we can deploy the same Angular application image but use a different configuration for each environment. Before we start, however, let’s review what we mean when we talk about “continuous delivery.”

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Red Hat simplifies transition to open source Kafka with new service registry and HTTP bridge

By Hugo Guerrero November 26, 2019November 25, 2019

Red Hat continues to increase the features available for users looking to implement a 100% open source, event-driven architecture (EDA) through running Apache Kafka on Red Hat OpenShift and Red Hat Enterprise Linux. The Red Hat Integration Q4 release provides new features and capabilities, including ones aimed at simplifying usage and deployment of the AMQ streams distribution of Apache Kafka.

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Cloud-native integration with Kubernetes and Camel K

By Editorial Team and Kamesh Sampath November 22, 2019November 21, 2019

Our first DevNation Live regional event was held in Bengaluru, India in July. This free technology event focused on open source innovations, with sessions presented by elite Red Hat technologists.

In this session, Kamesh Sampath shows how to apply common Enterprise Integration Patterns (EIP) with Apache Camel, Kubernetes, and Red Hat OpenShift. You will see how the new Camel K framework helps in deploying Camel DSL code as “integrations” in Kubernetes/OpenShift.

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Event-based microservices with Red Hat AMQ Streams

By Cheng Kuan Gan November 21, 2019November 20, 2019

As part of Red Hat’s AMQ offerings, Red Hat offers a Kafka-based event streaming solution both for traditional deployment and microservices-based deployment branded as Red Hat AMQ Streams. The Red Hat OpenShift AMQ Streams deployment option is based on Strimzi, an open source tool that makes Kafka deployment as a container on a Kubernetes platform easy because most of the deployment prerequisites are automated with the OpenShift Operator Framework.

In this article, we look at how to deploy Apache Kafka on Red Hat OpenShift 4, using reasonable sample microservice applications to showcase the endless possibility of innovation brought by OpenShift and Kafka.

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Fixing the oc and Red Hat OpenShift install “not downloaded” error on macOS

By Don Schenck November 20, 2019November 19, 2019

I recently decided to use my macOS machine to create a Red Hat OpenShift cluster. After downloading the openshift-install command-line tool and running it, however, I received the following error:

(Yes, I know the above error is related to the oc command, but it also threw the error and, after I fixed the openshift-install command, I was unable to “unfix” it.)

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Red Hat Software Collections 3.4 and Red Hat Developer Toolset 9 Beta now available

By Brian Gollaher November 19, 2019November 18, 2019

The latest versions of Red Hat Software Collections and Red Hat Developer Toolset are available now in beta. Red Hat Software Collections 3.4 delivers the latest stable versions of many popular open source runtime languages and databases natively to the world’s leading enterprise Linux platform. These components are supported for up to five years, helping to enable a more consistent, efficient, and reliable developer experience.

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Open Liberty Java runtime now available to Red Hat Runtimes subscribers

By Laura Cowen November 14, 2019November 13, 2019

Open Liberty is a lightweight, production-ready Java runtime for containerizing and deploying microservices to the cloud, and is now available as part of a Red Hat Runtimes subscription. If you are a Red Hat Runtimes subscriber, you can write your Eclipse MicroProfile and Jakarta EE apps on Open Liberty and then run them in containers on Red Hat OpenShift, with commercial support from Red Hat and IBM.

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Pod Lifecycle Event Generator: Understanding the “PLEG is not healthy” issue in Kubernetes

By Daein Park November 13, 2019November 12, 2019

In this article, I’ll explore the “PLEG is not healthy” issue in Kubernetes, which sometimes leads to a “NodeNotReady” status. When understanding how the Pod Lifecycle Event Generator (PLEG) works, it is helpful to also understand troubleshooting around this issue.

What is PLEG?

The PLEG module in kubelet (Kubernetes) adjusts the container runtime state with each matched pod-level event and keeps the pod cache up to date by applying changes.

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Plumbing Kubernetes CI/CD with Tekton

By Editorial Team and Kamesh Sampath November 12, 2019November 11, 2019

Our first DevNation Live regional event was held in Bengaluru, India in July. This free technology event focused on open source innovations, with sessions presented by elite Red Hat technologists.

In this session, Kamesh Sampath introduces Tekton, which is the Kubernetes-native way of defining and running CI/CD. Sampath explores the characteristics of Tekton—cloud-native, decoupled, and declarative—and shows how to combine various building blocks of Tekton to build and deploy a cloud-native application.

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What is PLEG?