how to properly run Drift Detection using OpenTofu

[themaroqa]

I have built a Drift Detection using the following documentation for Terraform: https://docs.terrakube.io/user-guide/drift-detection

Now we want to test the adoption of OpenTofu across our workspaces.
I find issues when the Drift Detection runs. I tried to fix the extension simply changing the
terraform show -json terraformLibrary.tfPlan > tfplan.json; command to tofu show -json terraformLibrary.tfPlan > tfplan.json;
but the executor gives me the following error:
/home/cnb/.terraform-spring-boot/executor/9d1b58f5-3f38-42e1-90c3-d0139134832a/9b245933-fff6-4425-b639-90e6d982a482/userScript.sh: line 3: tofu: command not found

I erroneously thought that tofu was installed in the PATH since terraform is (the terraform show command works). I am pretty sure I am missing something but I cannot figure out what.

Steps to reproduce:

• create a workspace using Terraform
• run a Drift Detection using the example flow (works)
• change the workspace to use OpenTofu
• change the Drift Detection template to run tofu
• run a Drift Detection using the new flow (doesn't work --> tofu: command not found)

[alfespa17]

You need to create the workspace selecting tofu instead of terraform

[themaroqa]

If so, do you think this is a bug and we should be able to simply run tofu show in a BASH script like we are able to do with terraform?

[alfespa17]

I am not really sure why you have to do it like that, in theory tofu is added to the process PATH in this part of the code

terrakube/executor/src/main/java/io/terrakube/executor/service/scripts/bash/BashEngine.java

Line 134 in f2fb698

FileUtils.getUserDirectoryPath() + TOFU_DIRECTORY + terraformJob.getTerraformVersion()

I will have to do some testing just to validate it is working correctly

[alfespa17]

You are correct I think I was able to replicate the issue

[alfespa17]

I found the issue.

the path is wrong it is missing the "v", it is related to this change that I did a few weeks ago in the terraform/tofu library terrakube-io/terraform-spring-boot#80 that terrakube is using internally

I will have to create a new pull request to fix it and add the letter "v" to the path

[alfespa17]

Fixed in this PR #2854