hands-on lab

Performing Rolling Upgrades of Marathon Applications in DC/OS

Beginner

50m

This lab is currently under maintenance and unavailable. We are actively working to resolve this issue and we apologize for any inconvenience.

DC/OS was declared end of life October 31, 2021 and the content is no longer maintained

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Lab description

Lab Overview

By performing rolling upgrades of Marathon applications in DC/OS, you avoid downtime and can trade off upgrade speed, resource overhead, and application capacity. This Lab will walk you through configuring an upgrade strategy, performing a rolling upgrade, and rolling back to an earlier version of an application definition.

Lab Objectives

Upon completion of this Lab you will be able to:

Include upgrade strategies in Marathon application definitions
Configure upgrade strategy properties to achieve different goals
Upgrade Marathon applications using the DC/OS GUI and CLI

Lab Prerequisites

You should be familiar with:

Basic DC/OS concepts including master nodes, agents, services, tasks, and Marathon
Working at the command-line in Linux
AWS services knowledge is useful in order to understand the architecture of the pre-created DC/OS cluster, but not required

Lab Environment

Before completing the Lab instructions, the environment will look as follows:

After completing the Lab instructions, the environment should look similar to:

Updates

August 1st, 2021 - Resolved an issue preventing the DC/OS cluster from provisioning

October 2nd, 2020 - Replaced CoreOS virtual machines (no longer available in AWS) with CentOS

January 10th, 2019 - Added a validation Lab Step to check the work you perform in the Lab

About the author

Logan Rakai, opens in a new tab

Lead Content Developer - Labs

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Learning paths

Logan has been involved in software development and research since 2007 and has been in the cloud since 2012. He is an AWS Certified DevOps Engineer - Professional, AWS Certified Solutions Architect - Professional, Microsoft Certified Azure Solutions Architect Expert, MCSE: Cloud Platform and Infrastructure, Google Cloud Certified Associate Cloud Engineer, Certified Kubernetes Security Specialist (CKS), Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), and Certified OpenStack Administrator (COA). He earned his Ph.D. studying design automation and enjoys all things tech.

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Covered topics

Lab steps

Logging In to the Amazon Web Services Console

Understanding the DC/OS Cluster Architecture

Connecting to the DC/OS Cluster NAT Instance using SSH

Installing the DC/OS CLI on Linux

Defining a Marathon Application with a Custom Upgrade Strategy