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Azure DevTest Labs offers complement to on-premises testing

Test environments in the data center can be restrictive and slow progress. Here's how to use Azure DevTest Labs to free up the development pipeline.

Azure DevTest Labs brings a consistent development and test environment to cost-conscious enterprises. The service...

also gives admins the chance to explore Azure's capabilities and determine other ways the cloud can assist the business.

A DevTest Lab in Azure puts a virtual machine in the cloud to verify developer code before it moves to the organization's test environment. This practice unveils initial bugs before operations starts an assessment. DevTest Labs gives organizations a way to investigate the Microsoft cloud platform and its compute services, without incurring a large monthly cost. Look at Azure DevTest Labs as a way to augment internal tests -- not replace them.

Part one of this two-part series explains Azure DevTest Labs and how to configure a VM for lab use. In part two, we examine the benefits of a testing cloud-based environment.

DevTest Labs offers a preliminary look at code behavior

After we create a lab with a server VM, connect to it using the same tools as you would in an on-premises environment -- Visual Studio or Remote Desktop for Windows VMs and Secure Socket Shell for Linux VMs. Development teams can push the code to an internal repository connected to the Azure environment and then deploy it to the DevTest Lab VM.

Use the DevTest Lab VM to check what happens to the code:

  • when no modifications have been made to infrastructure; and
  • if the application runs on different versions of an OS.

Windows Server VMs in Azure provide uniformity

An organization's test environment often has stipulations, such as a requirement to mirror the production Windows Servers through the last patch cycle, which can hinder the development process. Azure DevTest Labs uncovers how applications behave on the latest Windows Server version. This prepares IT for any issues before the internal testing environment moves to that server OS version. IT also can use DevTest Labs to check new features of an OS before they roll it out to production.

DevTest Labs assists admins who want to study for a certification and need a home lab environment to practice and study. But building a home lab is expensive when you consider costs for storage, server hardware and software. Virtualized labs with VMware Workstation or Client Hyper-V reduce this cost, but it's still expensive to buy a powerful laptop that can handle all the new technologies in a server OS.

Admins can stand up Windows Server 2016 in DevTest Labs to understand the capabilities of the OS and set up an automatic shutdown time. This gives employees access to capable systems for after-hours studying, and the business only pays for the time the lab runs.

Azure DevTest Labs doesn't replace on-premises testing

Many organizations have replica environments that mirror production sites, which ensures any fixes and changes will function properly when they go live. Azure DevTest Labs should not replace an on-premises test environment.


Steps to produce an Azure DevTest
Lab.

Implement DevTest Labs to prevent testing delays; start work in DevTest Labs, which refine the items needed from operations. And because Azure is built to scale, users can add resources with a few clicks. An on-premises environment does not have the same flexibility to grow on demand, which can slow the code development process.

Production apps don't have to stay in Azure

Azure DevTest Labs also checks applications or configurations, and then deploys them into the company's data center. When the test phase of development passes, shut down the DevTest Lab until it is needed again.

In addition, IT teams can turn to DevTest Labs to showcase how the business can use Azure cloud. If the company wants to work with a German organization, for example, it must contend with heavy regulations about how data is handled and who owns it. Rather than build a data center in Germany, which could be cost-prohibitive, move some apps into an Azure region that covers the European Union or Germany. This is much less expensive because the business only pays for what it uses.

Still, regulatory issues override all the good reasons to use Azure. If you're unsure of what regulatory items your organizations needs to know, use this link to get a list. You also can examine Microsoft's audit reports to perform a risk assessment and see if Azure meets your company's compliance needs.

Microsoft offers a 30-day free trial of DevTest Labs. It's a great resource for development and testing, and provides an inexpensive learning environment for administrators who want to explore current and upcoming technologies.

Next Steps

Don't let a test VM affect the production environment

Explore OpenStack's capabilities with a virtual home lab

Use a Hyper-V lab for certification studies

This was last published in August 2017

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