Install and manage terraform using tfenv
Some terraform projects need older terraform versions and would break if upgraded to newer versions. Tfenv helps manage multiple local terraform versions.
Uninstall terraform if already installed. It causes conflicts with tfenv.
brew uninstall terraform
Install tfenv
brew install tfenv
List available terraform versions.
tfenv list-remote
1.10.0-alpha20240730
1.10.0-alpha20240717
1.10.0-alpha20240619
1.10.0-alpha20240606
1.9.3
1.9.2
1.9.1
1.9.0
1.9.0-rc3
Install the latest available version.
tfenv install latest
Alternatively install a particular version
tfenv install 1.9.2
List the installed versions.
tfenv list
* 1.9.3 (set by /opt/homebrew/Cellar/tfenv/3.0.0/version)
1.9.2
Confirm terraform cmd works.
terraform -v
Terraform v1.9.3
Change the default terraform version.
tfenv use 1.9.2
Switching default version to v1.9.2
Default version (when not overridden by .terraform-version or TFENV_TERRAFORM_VERSION) is now: 1.9.2
terraform -v
Terraform v1.9.2
Switch to the latest available version.
tfenv use latest
terraform -v
Terraform v1.9.3
Install this vscode extension.
Open a terraform cloud account. Create a workspace with a VCS workflow.
Set up dynamic AWS credentials using OIDC.
Set up a simple script to launch an EC2 instance.
https://github.com/hashicorp/tfc-guide-example
Use this in the terraform block.
terraform {
backend "remote" {
hostname = "app.terraform.io"
organization = "org-name"
workspaces {
name = "workspace_name"
}
}
required_providers {
aws = {
source = "hashicorp/aws"
version = ">= 4.4.0"
}
}
}
Log in to terraform cloud terraform login
Run terraform init
Trigger an apply by running terraform apply.
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