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The DevOps Toolkit: Working with Jenkins X

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Before Getting Started

About This Course

What is Jenkins X?

Installing Prerequisites

Installing Jenkins X CLI

To Create a Cluster or Not to Create a Cluster?

Create a Google Kubernetes Engine (GKE) cluster with jx

Create an Amazon Elastic Kubernetes Service (EKS) cluster with jx

Create an Azure Kubernetes Service (AKS) cluster with jx

Is Your Cluster Ready for Jenkins X?

Install Jenkins X in an Existing Kubernetes Cluster

What Did We Get?

Deleting GKE Cluster and Unused Resources

Deleting EKS Cluster and Related Resources

Deleting AKS Cluster and Related Resources

Uninstalling Jenkins X

Exploring Quickstart Projects

Getting Started with Quickstart Projects Creating a Kubernetes Cluster with Jenkins X Create a Quickstart Project Exploring Quickstart Project Files Retrieve Jenkins X Activities, Logs, Pipelines, and More What Now?Quiz

Importing Existing Projects Into Jenkins X

How to Go About Importing a Project in Jenkins X?Creating a Kubernetes Cluster with Jenkins X Importing a Project Fixing the Auto-Generated Helm Chart Why Did We Do All That?What Now?Quiz

Creating Custom Build Packs

Getting Started with Custom Build Packs Creating a Kubernetes Cluster with Jenkins X Choosing What to Include in a Build Pack Creating a Build Pack for Go Applications with MongoDB Datastore Testing the New Build Pack Giving Back to the Community What Now?Quiz

Applying GitOps Principles

Getting Started with GitOps Ten Commandments of GitOps Applied to Continuous Delivery Creating a Kubernetes Cluster with Jenkins X and Importing App Exploring Jenkins X Environments Types of Tests to Execute When Deploying to Staging Environment Exploring and Adapting the Staging Environment The Relation Between Application and Environment Pipelines Controlling the Environments Are we Already Following All the Commandments?What Now?Quiz

Improving And Simplifying Software Development

Efficient Software Development with Jenkins X Exploring the Requirements of Efficient Development Environment Creating a Kubernetes Cluster with Jenkins X And Importing App Creating a Remote Development Environment Working with the Code in the DevPod Using Browser-Based IDE Synchronizing Code from a Laptop into a DevPod Integrating IDEs with Jenkins X What Now?Quiz

Working With Pull Requests And Preview Environments

High-level Process Lifecycle and Role of Pull Requests Creating a Kubernetes Cluster with Jenkins X and Importing App Creating Pull Requests Intermezzo Merging a PR Exploring Jenkins X Garbage Collection What Now?Quiz

Promoting Releases To Production

What Goes into Promoting a Release to Production?Creating a Kubernetes Cluster with Jenkins X and Importing App Promoting a Release to the Production Environment What Now?Quiz

Versioning Releases

Getting Started with Versioning Semantic Versioning Explained Creating a Kubernetes Cluster with Jenkins X and Importing App Versioning Releases Through Tags Controlling Release Versioning from Jenkins X Pipelines Customizing Versioning Logic Versioning with Maven, NodeJS, and Other Build Tools What Now?Quiz

Implementing ChatOps

Getting Started with ChatOps Creating a Kubernetes Cluster with Jenkins X Exploring the Basic Pull Request Process Through ChatOps Exploring Additional Slash Commands How Do We Know Which Slash Commands Are Available?What Now?Quiz

Using The Pipeline Extension Model

Evolution of Jenkins Jobs and How We Got the YAML-Based Format Getting Rid of Repetition Creating a Kubernetes Cluster with Jenkins X Exploring Build Pack Pipelines Extending Build Pack Pipelines Extending Environment Pipelines What Now?Quiz

Upgrading Jenkins X Components

Getting Started with Jenkin X Upgrades Understanding Jenkins X Version Stream Creating a Kubernetes Cluster with Jenkins X and Importing App Validating Upgrades and Backing Up the Cluster Upgrading the Cluster and Local Binaries Upgrading Ingress Rules and Adding TLS Certificates Changing URL Patterns What Now?Quiz

Extending Jenkins X Pipelines

Getting Started with Advanced Pipelines What Are We Trying to Do?Creating a Kubernetes Cluster with Jenkins X and Importing App Naming Steps and Using Multi-Line Commands Working with Environment Variables and Agents Overriding Pipelines, Stages, and Steps and Implementing Loops Pipelines Without Buildpacks Exploring The Syntax Schema What Now?Quiz

Using Jenkins X To Define And Run Serverless Deployments

Serverless Computing Serverless Deployments in Kubernetes Which Types of Applications Should Run As Serverless?Why Do We Need Jenkins X to Be Serverless?What is Tekton and How Does it Fit Jenkins X?Creating a Kubernetes Cluster with Jenkins X and Importing App Installing Gloo and Knative Creating a New Serverless Application Project Using Serverless Deployments with Pull Requests Limiting Serverless Deployments to Pull Requests What Now?Quiz

Choosing The Right Deployment Strategy

Getting Started with Choosing the Right Deployment Strategy What Do We Expect from Deployments?Creating a Kubernetes Cluster with Jenkins X and Importing App Using Serverless Strategy with Gloo and Knative (GKE Only)Using Recreate Strategy with Standard Kubernetes Deployments Using RollingUpdate Strategy with Standard Kubernetes Deployments Evaluating Whether Blue-Green Deployments Are Useful About the World We Lived In A Short Introduction to Progressive Delivery A Quick Introduction to Istio, Prometheus, and Flagger Installing Istio, Prometheus, and Flagger Creating Canary Resources with Flagger Using Canary Strategy with Flager, Istio, and Prometheus Rolling Back Canary Deployments To Canary or Not to Canary?Which Deployment Strategy Should We Choose?What Now?Quiz

Applying GitOps Principles To Jenkins X

Getting Started with Applying GitOps Principles in Jenkins X Discussing the Cardinal Sin Creating a Kubernetes Cluster (Without Jenkins X)What is Jenkins X Boot?Installing Jenkins X Using GitOps Principles Exploring the Changes Done By the Boot Verifying Jenkins X Boot Installation What Now?Quiz

Conclusion

Now It's Your Turn Contributions

Deleting EKS Cluster and Related Resources

In this lesson, we will go over the method to delete an EKS cluster and free up unused resources.

When we created Cluster Autoscaler, we had to add a policy that will allow it to manipulate AWS Auto-Scaling Groups. Just as with the ELB, we need to delete that policy before we delete the EKS cluster. Otherwise, cluster removal would fail.

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