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Using Terraform to activate Tanzu Kubernetes Grid Service on VMware Cloud on AWS

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It has been awhile since I have played with Terraform and I was recently investigating on whether I could use Terraform to automate the activation of the Tanzu Kubernetes Grid (TKG) Service on a VMware Cloud on AWS SDDC, which is a part of VMware's new managed Kubernetes offering called VMware Cloud with Tanzu services. Although there is an existing VMware Cloud on AWS (VMC-A) Terraform provider, it currently does not support configuring or managing the TKG Service.

Today, customers can automate VMware Cloud with Tanzu services with a simple REST API and with that in mind, I was curious if calling into a REST API using Terraform was even a thing? While searching online, I not only came to find out that directly calling a REST API using Terraform was a thing but that there were actually a few Terraform providers that enabled this capability. The most popular being Mastercard's Restapi Terraform provider, which was also updated just a couple of weeks ago.

I ended up learning a ton more about Terraform through this exercise and the final solution has been contributed to Ryan Johnson's amazing VMware Terraform Examples repo. I also have to give a huge shoutout to Ryan, who I consider one of the experts in the community for all things VMware and Terraform! I was also able to bounce some ideas and also learn a few new tricks in one of our recent conversations. 

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PowerShell community module for Application Transformer for VMware Tanzu

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In the previous blog post, we explored the Application Transformer for VMware Tanzu REST API and how it can be used for automation and more advanced workflows. To simplify the consumption of the App Transformer REST API and how I started to explore and learn about the APIs, I created a PowerShell module for App Transformer that implements a number of the App Transformer REST API that can easily be consumed using the following functions:

  • Connect-AppTransformer
  • Get-AppTransformerApplication
  • Get-AppTransformerComponent
  • Get-AppTransformerComponentSignature
  • Get-AppTransformerCredential
  • Get-AppTransformerNetworkInsight
  • Get-AppTransformerVCenter
  • Get-AppTransformerVM
  • New-AppTransformerCredential
  • New-AppTransformerCredentialAssociation
  • New-AppTransformerNetworkInsightCloud
  • New-AppTransformerVCenter
  • Remove-AppTransformerCredential
  • Start-AppTransformerIntrospection


🥳 To help celebrate the official GA of Application Transformer for VMware Tanzu today, I have just published my PowerShell Community Module for App Transformer into the PowerShell Gallery!

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Getting Started with the Application Transformer for VMware Tanzu REST API

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An extremely powerful capability of Application Transformer for VMware Tanzu is not just getting application data and custom information into App Transformer, but that you can also easily extract that information and use that for a number of other scenarios including but not limited to internal true up of your deployed applications versus what is currently in your Change Management Database (CMDB), inventory analysis across your application vendor and/or versions for auditing, licensing and compliance to identifying vulnerable software versions. The use cases for App Transformer certainly span beyond just App Modernization and can truly be endless!


The App Transformer UI is just one way in which users can interact with the solution but for more advanced workflows or automation purposes, users can also leverage the App Transformer REST API. In this blog post, we take a look at how to get started with the App Transformer REST API.

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