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Docker Orchestration

You're reading from   Docker Orchestration A concise, fast-paced guide to orchestrating and deploying scalable services with Docker

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781787122123
Length 284 pages
Edition 1st Edition
Languages
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Authors (2):
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Randall Smith Randall Smith
Author Profile Icon Randall Smith
Randall Smith
Gianluca Arbezzano Gianluca Arbezzano
Author Profile Icon Gianluca Arbezzano
Gianluca Arbezzano
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Table of Contents (11) Chapters Close

Preface 1. Getting Started with Docker Orchestration FREE CHAPTER 2. Building Multi-Container Applications with Docker Compose 3. Cluster Building Blocks – Registry, Overlay Networks, and Shared Storage 4. Orchestration with Docker Swarm 5. Deploying and Managing Services with Kubernetes 6. Working with Mesosphere 7. Using Simpler Orchestration Tools – Fleet and Cattle 8. Monitoring Your Cluster 9. Using Continuous Integration to Build, Test, and Deploy Containers 10. Why Stop at Containers? Automating Your Infrastructure

Getting to know Kubernetes


Kubernetes is a complicated piece of software. As such, there are a number of components that an administrator needs to be aware of. Some will be used everyday while others will work quietly in the background to keep everything running.

Command-line tools

Following are the command-line tools:

  • kubeadm: This tool was added in Kubernetes 1.4, as of this writing, still considered an alpha tool. It is the new installer for Kubernetes on Linux hosts.

  • kubectl: This is the main tool used to interact with a running cluster. It is used to add pods and services, perform rolling updates, and much more. Nearly everyone who interacts with Kubernetes will use kubectl.

Master components

These components run on the master node. They are responsible for all of the high level controls of the cluster. Following are the master components:

  • etcd: This is where Kubernetes keeps its cluster configuration. Make sure this is backed up or you will be unable to recover your cluster in the event...

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