Build a Kubernetes Minecraft server with Ansible's Helm modules

One of the best outcomes of Ansible’s move towards content collections is it spreads the thousands of modules in Ansible’s “core” repository into many more independent repositories. This means movement on issues and modules that had long been delayed (often due to the sheer volume of issues and pull requests in the repo) can progress more rapidly.

Obviously, not all modules will get the same love and appreciation as others—that’s the way open source works: more popular things flourish, as others may languish a bit—but one bright example of the positive impact has been the Kubernetes collection’s ability to incorporate some long-awaited Helm modules.

Thanks especially to the work of LucasBoisserie, three new Helm modules were merged into the Kubernetes collection:

  • helm
  • helm_info
  • helm_repository

Ansible has long had a helm module, but it was fairly broken for a long time, only worked with older versions of Helm, and was slated for deprecation in Ansible 2.14. That version of the module will still work the same in the regular community distribution of Ansible, as it’s now been moved to the community.general collection.

But if you want to use these new modules to automate your Helm deployments using the Kubernetes container orchestration system, you can do it with the community.kubernetes collection.

What is Helm?

Helm says it is “the best way to find, share, and use software built for Kubernetes.”

There are currently dozens of ways to deploy software into Kubernetes and OpenShift clusters (you can even do it using Ansible natively with the k8s module), but Helm is often the easiest onramp to Kubernetes deployments, especially when you’re starting out on your Kubernetes journey.

The way Helm works is that people maintain “charts,” which are templates describing “how to deploy application XYZ” into Kubernetes. Charts can have “values” that override the default settings for a deployment’s chart.

There are thousands of charts on Helm Hub you can use to install popular software. If your software is not included, you can build and host your own Helm chart repositories.

#kubernetes

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Build a Kubernetes Minecraft server with Ansible's Helm modules
Christa  Stehr

Christa Stehr

1602964260

50+ Useful Kubernetes Tools for 2020 - Part 2

Introduction

Last year, we provided a list of Kubernetes tools that proved so popular we have decided to curate another list of some useful additions for working with the platform—among which are many tools that we personally use here at Caylent. Check out the original tools list here in case you missed it.

According to a recent survey done by Stackrox, the dominance Kubernetes enjoys in the market continues to be reinforced, with 86% of respondents using it for container orchestration.

(State of Kubernetes and Container Security, 2020)

And as you can see below, more and more companies are jumping into containerization for their apps. If you’re among them, here are some tools to aid you going forward as Kubernetes continues its rapid growth.

(State of Kubernetes and Container Security, 2020)

#blog #tools #amazon elastic kubernetes service #application security #aws kms #botkube #caylent #cli #container monitoring #container orchestration tools #container security #containers #continuous delivery #continuous deployment #continuous integration #contour #developers #development #developments #draft #eksctl #firewall #gcp #github #harbor #helm #helm charts #helm-2to3 #helm-aws-secret-plugin #helm-docs #helm-operator-get-started #helm-secrets #iam #json #k-rail #k3s #k3sup #k8s #keel.sh #keycloak #kiali #kiam #klum #knative #krew #ksniff #kube #kube-prod-runtime #kube-ps1 #kube-scan #kube-state-metrics #kube2iam #kubeapps #kubebuilder #kubeconfig #kubectl #kubectl-aws-secrets #kubefwd #kubernetes #kubernetes command line tool #kubernetes configuration #kubernetes deployment #kubernetes in development #kubernetes in production #kubernetes ingress #kubernetes interfaces #kubernetes monitoring #kubernetes networking #kubernetes observability #kubernetes plugins #kubernetes secrets #kubernetes security #kubernetes security best practices #kubernetes security vendors #kubernetes service discovery #kubernetic #kubesec #kubeterminal #kubeval #kudo #kuma #microsoft azure key vault #mozilla sops #octant #octarine #open source #palo alto kubernetes security #permission-manager #pgp #rafay #rakess #rancher #rook #secrets operations #serverless function #service mesh #shell-operator #snyk #snyk container #sonobuoy #strongdm #tcpdump #tenkai #testing #tigera #tilt #vert.x #wireshark #yaml

Introduction to Helm - Package Manager for Kubernetes

**Introduction to Kubernetes and Helm **

Kubernetes is one of the best platforms to deploy and manage containerized applications. But deploying such containerized applications to Kubernetes can be challenging. You have to write a detailed YAML file to deploy resources like pods, deployments, and services on Kubernetes that’s where Helm comes into the play. Helm is a package manager for Kubernetes; it’s the yum and apt of Kubernetes. It allows us to deploy resources to Kubernetes quickly. It deploys charts which are the packages of application. Helm is also an official Kubernetes project in the Cloud Native Computing Foundation (CNCF) under the category of incubating projects.

Why we need Helm?

Helm makes deployments so easy in Kubernetes, all you need to add helm charts on your Kubernetes cluster. All the Helm charts are stored in Helm repository; you can search the required application chart on Helm registry and add them to your Kubernetes cluster with ease. For example, if you want to deploy a WordPress app on your Kubernetes, you have to create Yaml manifest files for deployment and service for both app and database, which can be quite complicated. Still, by using Helm you can deploy WordPress in a few minutes on your Kube cluster. Also if you want to deploy 50 microservices on Kubernetes using manifest files it consumes a whole lot of time and also there is an exorbitant probability of errors. Still, in case of Helm, you have to remember the name of required charts, and you can deploy these as quick as Flash.

How to install Helm?

The process of installing Helm is effortless, you can install it using the binaries, or you can use package managers.

From homebrew on macOS:

brew install Helm

From Chocolatey on windows:

choco install Kubernetes-helm

From installer script:

Helm now comes with an installer script, you can fetch this script to your system, and it automatically installs the latest version of Helm in your system.

$ curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3

$ chmod 700 get_helm.sh

$ ./get_helm.sh

#kubernetes #helm #helm charts #helm installation #helm overview #helm repository

Nels  Franecki

Nels Franecki

1620170460

How to migrate helm v2 to helm v3

This article will guide you about how to migrate helm v2 to helm v3 along with currently running resources in the environment.


In my previous article we have seen how to install helm version 2. Now in this article we are going to migrate currently running helm v2 configuration and its running resources to helm v3. To perform migration of helm v2 to helm v3 we are going to install plugin called 2to3 in the helm3.

#devops #helm #kubernetes #how to migrate helm v2 to helm v3 #migration helm v2 to helm v3

Maud  Rosenbaum

Maud Rosenbaum

1601051854

Kubernetes in the Cloud: Strategies for Effective Multi Cloud Implementations

Kubernetes is a highly popular container orchestration platform. Multi cloud is a strategy that leverages cloud resources from multiple vendors. Multi cloud strategies have become popular because they help prevent vendor lock-in and enable you to leverage a wide variety of cloud resources. However, multi cloud ecosystems are notoriously difficult to configure and maintain.

This article explains how you can leverage Kubernetes to reduce multi cloud complexities and improve stability, scalability, and velocity.

Kubernetes: Your Multi Cloud Strategy

Maintaining standardized application deployments becomes more challenging as your number of applications and the technologies they are based on increase. As environments, operating systems, and dependencies differ, management and operations require more effort and extensive documentation.

In the past, teams tried to get around these difficulties by creating isolated projects in the data center. Each project, including its configurations and requirements were managed independently. This required accurately predicting performance and the number of users before deployment and taking down applications to update operating systems or applications. There were many chances for error.

Kubernetes can provide an alternative to the old method, enabling teams to deploy applications independent of the environment in containers. This eliminates the need to create resource partitions and enables teams to operate infrastructure as a unified whole.

In particular, Kubernetes makes it easier to deploy a multi cloud strategy since it enables you to abstract away service differences. With Kubernetes deployments you can work from a consistent platform and optimize services and applications according to your business needs.

The Compelling Attributes of Multi Cloud Kubernetes

Multi cloud Kubernetes can provide multiple benefits beyond a single cloud deployment. Below are some of the most notable advantages.

Stability

In addition to the built-in scalability, fault tolerance, and auto-healing features of Kubernetes, multi cloud deployments can provide service redundancy. For example, you can mirror applications or split microservices across vendors. This reduces the risk of a vendor-related outage and enables you to create failovers.

#kubernetes #multicloud-strategy #kubernetes-cluster #kubernetes-top-story #kubernetes-cluster-install #kubernetes-explained #kubernetes-infrastructure #cloud

Build a Kubernetes Minecraft server with Ansible's Helm modules

One of the best outcomes of Ansible’s move towards content collections is it spreads the thousands of modules in Ansible’s “core” repository into many more independent repositories. This means movement on issues and modules that had long been delayed (often due to the sheer volume of issues and pull requests in the repo) can progress more rapidly.

Obviously, not all modules will get the same love and appreciation as others—that’s the way open source works: more popular things flourish, as others may languish a bit—but one bright example of the positive impact has been the Kubernetes collection’s ability to incorporate some long-awaited Helm modules.

Thanks especially to the work of LucasBoisserie, three new Helm modules were merged into the Kubernetes collection:

  • helm
  • helm_info
  • helm_repository

Ansible has long had a helm module, but it was fairly broken for a long time, only worked with older versions of Helm, and was slated for deprecation in Ansible 2.14. That version of the module will still work the same in the regular community distribution of Ansible, as it’s now been moved to the community.general collection.

But if you want to use these new modules to automate your Helm deployments using the Kubernetes container orchestration system, you can do it with the community.kubernetes collection.

What is Helm?

Helm says it is “the best way to find, share, and use software built for Kubernetes.”

There are currently dozens of ways to deploy software into Kubernetes and OpenShift clusters (you can even do it using Ansible natively with the k8s module), but Helm is often the easiest onramp to Kubernetes deployments, especially when you’re starting out on your Kubernetes journey.

The way Helm works is that people maintain “charts,” which are templates describing “how to deploy application XYZ” into Kubernetes. Charts can have “values” that override the default settings for a deployment’s chart.

There are thousands of charts on Helm Hub you can use to install popular software. If your software is not included, you can build and host your own Helm chart repositories.

#kubernetes