Posts Tagged terraform

We work with thousands of customers who prefer Pulumi due to our modern approach to infrastructure that delivers faster time to market with built-in security and compliance. Yet we know many organizations have years of investments into tools like Terraform. At the same time, HashiCorp customers are increasingly telling us about their frustrations post-IBM acquisition: rate increases, loss of open source heritage, overnight rug-pull of CDKTF, … and the hits just keep on coming. Today, we’re excited to announce three new ways Pulumi is enabling customers of HashiCorp, an IBM Company, who want a better, open source friendly, modern solution for their IaC to choose Pulumi. First, Pulumi Cloud will support Terraform and OpenTofu, so you can continue using any Terraform or Pulumi CLI and language with the complete Pulumi Cloud product, including our infrastructure engineering AI agent, Neo. Second, Pulumi’s own open source IaC tool will support HCL natively as one of its many languages, alongside the industry’s best languages including Python, TypeScript, Go, C#, Java, and YAML. Pulumi is multi-language at its core and many organizations are diverse and polyglot—these new capabilities truly make Pulumi the most universal IaC platform with the broadest support. Third, we’re offering flexible financing to make it easy to depart HashiCorp for Pulumi.

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In July, 2020, CDK for Terraform (CDKTF) was introduced, and last week, on December 10, it was officially deprecated. Support for CDKTF has stopped, the organization and repository have been archived, and HashiCorp/IBM will no longer be updating or maintaining it, leaving a lot of teams out there without a clear path forward.

For most teams, that means it’s time to start looking for a replacement.

It’s an unfortunate situation to suddenly find yourself in as a user of CDKTF, but you do have options, and Pulumi is one of them. In this post, we’ll help you understand what those options are, how Pulumi fits into them, and what it’d look like to migrate your CDKTF projects to Pulumi.

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Infrastructure as Code (IaC) has evolved beyond simple automation into a fundamental shift toward applying software engineering practices to infrastructure management. In 2025, leading organizations aren’t just provisioning infrastructure—they’re treating it as software, complete with testing, version control, code reviews, and continuous integration.

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Today, we’re excited to announce a major advancement in Pulumi’s mission to make modern infrastructure as code accessible to every developer: direct support for executing Terraform modules. This new capability addresses one of the most significant challenges our users face when migrating from Terraform to Pulumi—complex projects with extensive module dependencies.

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Big news for infrastructure teams looking to migrate – we’ve significantly improved Pulumi’s Terraform conversion capabilities, making modernization smoother and reducing the amount of manual work usually required.

Pulumi already lets you use any Terraform/OpenTofu provider in your existing projects, and now we’ve taken it to the next level. With Pulumi CLI version 3.153.0 and above, you can now automatically convert ANY Terraform project to Pulumi and import its resources - even if it uses providers that don’t have native Pulumi equivalents!

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YAML and Kubernetes go together like peanut butter and jelly. While Kubernetes objects can be defined in JSON, YAML has emerged as the de facto standard.

It’s often the first tool developers encounter when diving into Kubernetes, and for good reason - its human-readable format makes it the preferred choice in most tutorials, documentation, and even production deployments.

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One of our core goals at Pulumi is to provide access to manage any cloud infrastructure with a single unified programming model. Whether it’s multi-cloud (AWS+Azure+Kubernetes), hybrid cloud (GCP+VMWare+Cisco), or managed services (Databricks+GitHub+Cloudflare), Pulumi makes it easy to deploy and manage infrastructure across all of your cloud environments using any of the 150+ cloud providers in the Pulumi Registry.

We’re excited to take this even further by introducing support for using any Terraform or OpenTofu provider from within your Pulumi programs. If there is a long tail Cloud or SaaS platform that has a provider for those ecosystems, it now works with Pulumi as well. And if your organization has built your own custom Terraform or OpenTofu provider to support an internal cloud platform, you can use it from Pulumi as well, without having to publish it to any registry.

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The Java Language Architect at Oracle, Brian Goetz, author of Java Concurrency in Practice, has commented how declarative languages can be a double-edged sword:

HashiCorp’s infrastructure as code solution, Terraform, uses a domain-specific language (DSL) to declare cloud resources. Pulumi’s infrastructure as code solution, on the other hand, lets you choose from any number of modern languages – C#, Java, JavaScript, Go, Python, or TypeScript – or the industry-standard markup language YAML, to declare cloud resources. Although both Terraform and Pulumi are declarative infrastructure as code engines at their core, this fundamentally different approach to expression languages has significant consequences.

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When I am talking with community members, who are not using Pulumi yet, I often get asked what would be a good way to include their Infrastructure as Code (IaC) into existing software like a REST API. And my answer is always the same: Use our Pulumi Automation API.

With the Pulumi Automation API you can include Pulumi IaC into your existing software, and this for any of the Pulumi supported programming languages like TypeScript, Python, Go, or C#. This gives you a greater flexibility and control, which you will not have with other IaC tools like CloudFormation or Terraform.

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Every experienced tech professional I know has a programming language they love. But is it the syntax and symbols that make it so loveable? Not really. It’s the community and package ecosystem surrounding the language that makes a real impact on your heart… and on your productivity!

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