Terraform/OpenTofu

Terraform

Infrastructure automation to provision and manage resources in any cloud or data center.

Home: https://www.terraform.io/
Releases: https://github.com/hashicorp/terraform/releases
Final version with Mozilla Public License: 1.5.7
The newer versions are released under Business Source License.

OpenTofu

The open source infrastructure as code tool

Home: https://opentofu.org/
Releases: https://github.com/opentofu/opentofu/releases

Basic Terraform commands - Cheat sheet

Command	Description
`terraform init`	Initialize the Terraform directory and download the required provider plugins
`terraform fmt -recursive`	Ensure all Terraform code in the current directory and subdirectories is formatted properly
`terraform validate`	Validate the syntax of the Terraform configuration files and check for errors
`terraform plan`	Show the execution plan, the resources that will be created, updated, or destroyed
`terraform apply`	Apply the changes required to reach the desired state of the infrastructure
`terraform destroy`	Destroy the Terraform-managed infrastructure
`terraform show`	Display the current state of the Terraform-managed infrastructure
`terraform state list`	List all resources in the Terraform state
`terraform apply -replace "id"`	Force replacement of a resource

Azure VM module

The modules in the terraform/modules folder are implementing a Virtual Machine with the associated network setup and storage. This VM can be used to test/host the Docker services of this repo.

Usage:

Login to Azure account (without browser access on device): az login --use-device-code
See the file terraform/Makefile for available make commands for deploying/connection/deleting the VM.

Requirements

Name	Version
terraform	>= 1.5
azurerm	~> 4.0

Modules

Name	Source	Version
base	./modules/base	n/a
storage	./modules/storage	n/a
vm	./modules/vm	n/a

Inputs

Name	Description	Type	Default	Required
admin_source_address	Allow connections (SSH, …) only from this IP	`string`	n/a	yes
admin_user	Name of the administrative user on the VM	`string`	`"azureuser"`	no
git_credentials	Git credentials for accessing the infrastructure repository. Will be written to ~/.git-credentials	`string`	n/a	yes
location	Location of the resources	`string`	`"westeurope"`	no
repo_directory	Name of the infrastructure repository directory	`string`	`"infra"`	no
repo_url	URL of the infrastructure repository	`string`	n/a	yes
resourcegroup	Name of Resource Group	`string`	`"HomeInfra"`	no
storage_disk_size_gb	Size of the permanent disk in GB	`number`	`10`	no
subscription_id	Azure subscription ID (format: ‘00000000-xxxx-xxxx-xxxx-xxxxxxxxxxxx’)	`string`	n/a	yes
vm_domain_name_label	DNS name of the VM. The FQDN will be: <vm_domain_name_label>..cloudapp.azure.com	`string`	n/a	yes
vm_name	Name, hostname of the VM	`string`	n/a	yes
vm_size	Size of the VM	`string`	`"Standard_D2s_v5"`	no
vm_ubuntu_server_offer	Offer of the VM	`string`	`"0001-com-ubuntu-server-jammy"`	no
vm_ubuntu_server_sku	SKU of the VM	`string`	`"22_04-lts-gen2"`	no

Outputs

Name	Description
vm_fqdn	n/a
vm_id	n/a
vm_public_ip_address	n/a
vm_public_key_fingerprint_sha256	n/a
vm_tls_private_key	n/a