hands-on lab

Performing Rolling Upgrades of Marathon Applications in DC/OS

Difficulty: Beginner

Duration: Up to 50 minutes

Students: 51

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DC/OS was declared end of life October 31, 2021 and the content is no longer maintained

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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

Covered topics

Hands-on Lab UUID

Lab steps

0 of 8 steps completed.Use arrow keys to navigate between steps. Press Enter to go to a step if available.

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
Performing a Rolling Upgrade of a Marathon Application
Rolling back to an Earlier Version of a Marathon Application
Validate AWS Lab

Lab Rules

Lab rules apply