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ARM-Challenge-10.md

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Challenge 10 - Configure VM Scale Set to run a Web Server

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Introduction

The goals of this challenge include understanding:

  • How extensions are configured in a VMSS
  • How the custom script extension works in the context of a VMSS
  • Custom script extension does not lock deployment order
  • Staging artifacts in a location accessible to the Azure Resource Manager

Description

We have provided a script (install_apache_vmss.sh) that configures web servers in a VMSS. When run on an individual VM instance, the script deploys a static web page that should be available at: http://<PublicIPofTheLoadBalancer>/wth.html

This script is similar to the one used earlier in Challenge 6. However, it has some differences that take into account how the script will be executed on a VM that is part of scale set.

You can find the script in the Resources folder for ARM-Challenge-10.

Your challenge is to:

  • Extend the ARM Template to configure a webserver on the VM instances of the VM Scale Set you deployed earlier
    • Host the script file in a secure artifact (staging) location that is only accessible to the Azure Resource Manager.
    • Pull the website configuration script from the artifact location.

Success Criteria

  1. Verify you can view the web page configured by the script

Tips

  • Use an Azure Blob Storage account as the artifact location
  • Secure access to the artifact location with a SAS token
  • Pass these values to the ARM Template as parameters