O’Reilly Live Online Training
17 Feb, 2021
Out of the box, Kubernetes is a strong platform for running and coordinating large collections of services, containers, and applications. Even with all of the standard Kubernetes resources, it can’t do everything. Fortunately, Kubernetes is highly configurable and extensible. As a software developer, once you understand how something works the next thing you naturally ask is how to extend it to meet your needs. Kubernetes opens its architecture that you can extend to meet your needs.
We’ll first look at the Kubernetes control plan and explore the points where Kubernetes can be extended. You’ll explore some kubectl plugins that extend the utilities of the command-line tool.
Kubernetes is declarative by its nature which allows you to configure the state of a cluster to meet your needs. However, with all of the Kubernetes resources, it can’t do everything. Fortunately, Kubernetes has a built-in architectural feature of extensibility. The Operator pattern has emerged from this extensibility goal. Increasingly, solutions on Kubernetes follow the Operator pattern. You’ll explore some common open-source solutions, and few frameworks commonly used to create your Operators.
This course is part of the larger 3 part series with a total of 9 weeks of Kubernetes topics. These online trainings get you started then productive with the best de facto operating system for distributed cloud computing.
Distributed application architectures are hard. The complexity in building containers and designing microservices to work together across a network can be overwhelming. To successfully manage limitations on resources, failing networks, defective software, and fluctuating traffic, you need an orchestrator.
Kubernetes is designed to handle these complexities, so you don’t have to. Essentially a distributed operating system for your data center, you give Kubernetes containers, and it makes sure that they remain available and responsive. As such, Kubernetes is quickly becoming the preferred way to serve distributed, scalable, and resilient applications.
Jonathan Johnson walks you through Kubernetes building blocks to demonstrate how the tool actually works. You may already understand containers—the tricky part is getting a whole set of containers and services to consistently work together and run reliably. In this three-part series, you’ll get comfortable designing, deploying, managing, and updating a coordinated set of applications running on Kubernetes.