login vsi company logo login vsi company logo 250x40

 

Get the best possible VDI performance, density and availability with Login VSI
Our Solutions

  • Home
  • Blog
  • Customizing Workloads: Extending the Login VSI and Login PI scripting language

Customizing Workloads: Extending the Login VSI and Login PI scripting language

Customizing Workloads: Extending the Login VSI and Login PI scripting language

When you want to customize workloads, the workload scripting language for Login VSI and Login PI already contain a lot of common pre-defined variables to help you to do so (a full list of variables can be found in our documentation). But if a situation requires functionality that isn’t available in the existing scripting language, then the workload scripting language can be easily extended with additional functionality. In this blog post I will explain how to do this.

To extend the functionality of the scripting language the following is needed:

  • An external script or program that can perform the actions required. In this example I am using an external program that sends text from a specific column in a CSV file to the application that is currently active. Scripts can also be used.
  • A basic understanding of scripting and/or the workload scripting language used by Login VSI and Login PI (though this blog focuses on Login VSI).

The magic

The way to extend the scripting language is by using VSI_ShellExecuteWait(). ShellExecuteWait simply executes an external file or program and waits until the program (associated with the file) exits.

Placing the files

To make the script or program that is executed by ShellExecuteWait easily accessible, place it in the VSIshare under _VSI_Binaries > Target. This folder will be copied to the temp directory when the Login VSI user logs on. By placing the file in the target folder there is no contention for access to the program (or script) during the test.

customizing workloads extending the login vsi and login pi scripting language target folder

Making workload changes

In the workload add VS_ShellExecuteWait("logname","path to external program or script", "command line parameters").

In my example that is:

VSI_ShellExecuteWait("ExtendExample", "%temp%\vsi\runtime\typefromcsv.exe","1 \\win-32tlo3go24m\VSIShare4\users.csv Username 1")

customizing workloads extending the login vsi and login pi scripting language workload example

The test it looks like this when running. I have enabled debugging so that the workload line currently being executed is visible. Do you want to debug Login PI workloads? This blog explains how to enable debugging for Login PI.

customizing workloads extending the login vsi and login pi scripting language workload running

The CSV file looks like this:

customizing workloads extending the login vsi and login pi scripting language csv

Conclusion

This example is a fairly simple program that reads from a CSV file and sends those keystrokes to the currently active application. I have also used the same technique to, for example, find images on the screen, automate Google Chrome and complete conditional tasks. As you can see, it’s pretty straightforward to extend the Login VSI and Login PI scripting language using external scripts or programs. This allows the scripting language to handle any task.

 


 

Start using Login VSI today

Our industry-standard software is built to help you avoid problems, lower costs and improve performance. Request a Quote or get your free Trial below, and benefit from our award-winning services.

Free Price Request  Your Free Trial

 


About the company Login VSI

The company Login VSI provides end-user performance insights for virtualized desktop and server-based computing environments. Enterprise IT departments use flagship product Login VSI (for load testing) and Login PI (for continuity testing) in all phases of their virtual desktop deployment—from planning to deployment to change management—to build and safeguard a good performance, a high availability, and (as a result) a good and consistent end-user experience. For more information about Login VSI or for a free test license contact us.

Tags: How-to, Login VSI, Login PI, Workloads, Best Practices, Support

Popular Blogs

Login VSI Blog - Ongoing Effects CPU Flaws

The Ongoing Effects of Intel CPU Flaws

The Ongoing Effects of Intel CPU Flaws Over the last year, we’ve seen many Intel CPU hardware flaws come to light and when news first broke about Meltdown & Spectre there was a lot of panic: "should we patch?", "What’s the performance impact?", "Can we still rely on this hardware?" Continue Reading
Login VSI Blog - How-To Update, Protect Against RIDL, Fallout MDS Vulnerability

How-To: Update, Protect Against RIDL, Fallout MDS Vulnerability

RIDL & Fallout MDS vulnerabilities, impact on VDI performance & actions to take. FAQs we’re receiving & updates on performance tests executed to patch flaws Intel calls “Microarchitectural Data Sampling (M.D.S.)” aka: Rogue In-Flight Data Load (RIDL), Fallout, ZombieLoad & Store-to-Leak Forwarding. Continue Reading
Login VSI Blog - Teaser Image - A Practical Guide to VDI Change Management - Part 1

A Practical Guide to VDI Change Management

Part 1: IT Change Management in general The first in an 8-part series, this practical guide to VDI Change Management will guide you through the transformation of the IT department from a back-end function into a core competency for every modern organization. Continue Reading
Login VSI - Blog - Login PI Blog Teaser Image - Windows Virtual Desktop: How To Monitor User Experience With Login PI

Windows Virtual Desktop – How to Monitor User Experience?

Microsoft has just announced the public preview of their new Windows Virtual Desktop (WVD) offering at Microsoft Ignite on Tour in Amsterdam today. For those of you who’ve not followed the rumors or the private beta, here’s the outline... Continue Reading
A Practical Guide To VDI Change Management, Part 3

A Practical Guide to VDI Change Management

Part 3: Change Accelerates with Windows 10 The third in an 8-part series, this practical guide to VDI Change Management gives you the low-down on the what, why and how of Windows 10 updates and changes Continue Reading
Login VSI Blog - Teaser Image - A Practical Guide to VDI Change Management - Part 2

A Practical Guide to VDI Change Management

Part 2: Why VDI is very sensitive to change The second in an 8-part series, this practical guide to VDI Change Management highlights the importance of effective Change Management. With all the complexities of VDI environments, any failure can severely impact your business. Continue Reading
Cookie Settings