Posts Tagged kubernetes

Managing containers and Kubernetes clusters are consistently popular topic areas on the Pulumi blog and in our docs. Our customers regularly cite that Pulumi simplifies container management scenarios, making it the primary reason for choosing Pulumi to define, deploy and manage all of their cloud resources. This includes teams that are just starting their cloud journey and spinning up their first project, as well as teams that want to modernize their apps and services with cloud-native architectures or even scale from one to many clouds.

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Back in September 2021 we announced public preview for the Helm Release resource in Pulumi’s Kubernetes provider. Over the last few months, we have had a very encouraging uptake in usage and several meaningful discussions with users in the community that have helped shape improvements to this resource. Thanks to this collaboration, we are now pleased to announce that the Helm Release resource is now GA (generally available) starting in v3.15.0 of the Pulumi Kubernetes Provider and SDK in all Pulumi supported languages. We are excited to offer yet another tool to Pulumi users to effectively manage their Kubernetes footprint.

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We recently announced in our release blog (66) a new package: Command. In this article, I want to show you a practical application of this that will allow us to deploy k3s to a DigitalOcean droplet. We’ll then leverage the Command package to run a remote command to fetch the kubeconfig, generated on the VM, and pull it down to create a Kubernetes provider to deploy nginx. So, let’s get started by deploying our Digital Ocean droplet.

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Pulumi provides an amazingly rich interface for developers and operators to define their Kubernetes workloads, providing typed access to recourses from the Kubernetes API and allowing our IDEs to provide code completion and refactoring opportunities through the native language plugins. As great as that is, it’s always gotten a little cumbersome when it comes to Custom Resource Definitions (CRDs), as the first option is to leverage the CustomResource escape-hatch that allows you to define any Kubernetes object you wish; however this does mean we lose the rich interface we’ve become accustomed to.

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This time last year, I presented Applying the Law of Demeter to GitOps at GitOps Days 2020. The Law of Demeter is a design principle, proposed in 1988, which encourages loose coupling between systems. During this session, I wanted the audience to understand and be able to identify when their applications and continuous delivery pipelines have too much knowledge of the platform in which they’re going to run. As an industry, we’re seeing a great deal of momentum towards Platform Engineering and with this comes a Broca divide, a strict division of responsibilities: to build a platform and to consume a platform.

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KubeCon North America 2021 is over, but the recordings are now online! Every talk you wanted to attend and couldn’t is available on YouTube, so here’s some highlights—cloud native trends, updates from projects and SIGs, and a few of my favorite talks!

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Last year we released the Pulumi Kubernetes Operator, a new cloud-native way to manage and deploy cloud infrastructure using Pulumi from within your Kubernetes environment. Since then, we’ve worked with many Pulumi users who have adopted the Pulumi Kubernetes Operator at increasingly larger scales and for a wide variety of use cases. Today, we’re excited to make the 1.0 release of the Pulumi Kubernetes Operator available.

The Pulumi Kubernetes Operator defines a Kubernetes Custom Resource called pulumi.com/v1/Stack, which represents a Pulumi stack. The Pulumi stack can be authored in any supported Pulumi language (TypeScript, Python, Go, .NET) and can deploy and manage cloud infrastructure in any supported cloud (AWS, Azure, GCP, Kubernetes and 60+ additional cloud and SaaS providers). The Pulumi Kubernetes Operator triggers cloud deployments based on changes to the Stack Custom Resource or the resources it tracks.

As a result, the Pulumi Kubernetes Operator enables users to specify the desired state of their cloud infrastructure using resources managed directly in their Kubernetes cluster, which trigger creation, update and deletion of the detailed cloud infrastructure they need.

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Kubernetes has been a significant focus of Pulumi since its very beginnings. Pulumi added support for installing Helm charts way back in 2018 and it has seen significant adoption by users since. However, Pulumi’s current Chart integration lacks support for some increasingly common advanced features in Helm charts, e.g.:

1. Support for Helm lifecycle hooks
2. Handling sub-charts and dependencies

As Helm and its usage evolved over the years, Pulumi users using the Chart resource have often had to get very creative in order to get the desired functionality in their deployments.

Today we are excited to announce the public preview of a new Helm Release resource starting with v3.7.0 of the Pulumi Kubernetes Provider and SDK in all Pulumi supported languages. This new resource provides Pulumi users more options to choose the right tool for their use-case. The rest of this blog post will highlight how this resource differs from the existing Helm Chart component resource and describe how and when to use the new resource.

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Kubernetes is everywhere now, but it’s primarily been the domain of people working on the ops side of infrastructure. What about devs, though? You benefit from knowing what Kubernetes is and how to use it, too—otherwise, we’re still putting teams in silos. In this blog, we’re going to build off part one by learning about managed Kubernetes services: what they are, when they’re useful, and how you can try deploying to one yourself, starting with Google’s Kubernetes Engine (GKE).

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All modern software is cloud software, and it’s more than likely that it runs on Kubernetes. Developers are faced with the challenge of deploy applications composed of many microservices. And each microservice adds to the complexity of the deployment.

This article reviews the different methods for deploying applications on Azure Kubernetes Service (AKS).

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