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Backups/Miker/Cheat Sheets/Terraform.md

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+---
+tags:
+  - Cheetsheet
+---
+
+Format and Validate
+-------------------
+
+| Command | Description |
+| --- | --- |
+| `terraform fmt` | Reformat your configuration in the standard style |
+| `terraform validate` | Check whether the configuration is valid |
+
+Initialize Working Directory
+----------------------------
+
+| Command | Description |
+| --- | --- |
+| `terraform init` | Prepare your working directory for other commands |
+
+Plan, Deploy and Cleanup
+------------------------
+
+| Command | Description |
+| --- | --- |
+| `terraform apply --auto-approve` | Create or update infrastructure without confirmation prompt |
+| `terraform destroy --auto-approve` | Destroy previously-created infrastructure without confirmation prompt |
+| `terraform plan -out plan.out` | Output the deployment plan to plan.out |
+| `terraform apply plan.out` | Use the plan.out to deploy infrastructure |
+| `terraform plan -destroy` | Outputs a destroy plan |
+| `terraform apply -target=aws_instance.myinstance` | Only apply/deploy changes to targeted resource |
+| `terraform apply -var myregion=us-east-1` | Pass a variable via CLI while applying a configuration |
+| `terraform apply -lock=true` | Lock the state file so it can't be modified |
+| `terraform apply refresh=false` | Do not reconcile state file with real-world resources |
+| `terraform apply --parallelism=5` | Number of simultaneous resource operations |
+| `terraform refresh` | Reconcile the state in Terraform state file with real-world resources |
+| `terraform providers` | Get informatino about providers used in the current configuration |
+
+Workspaces
+----------
+
+| Command | Description |
+| --- | --- |
+| `terraform workspace new <workspace>` | Create a new workspace |
+| `terraform workspace select default` | Change to a workspace |
+| `terraform workspace list` | List all workspaces |
+
+State Manipulation
+------------------
+
+| Command | Description |
+| --- | --- |
+| `terraform state show aws_instance.myinstance` | Show details stored in the Terraform state file |
+| `terraform state pull > terraform.tfstate` | Output Terraform state to a file |
+| `terraform state mv aws_iam_role.my_ssm_role module.mymodule` | Move a resource tracked via state to different module |
+| `terraform state replace-provider hashicorp/aws registry.custom.com/aws` | Replace an existing provider with another |
+| `terraform state list` | List all resources tracked in the Terraform state file |
+| `terraform state rm aws_instance.myinstance` | Unmanage a resource, delete it from the Terraform state file |
+
+Import and Outputs
+------------------
+
+| Command | Description |
+| --- | --- |
+| `terraform import <resource_type>.<resource> <id>` | Import a Resource |
+| `terraform output` | List all outputs |
+| `terraform output <output>` | List a specific output |
+| `terraform output -json` | List all outputs in JSON format |
+
+Terraform Cloud
+---------------
+
+| Command | Description |
+| --- | --- |
+| `terraform login` | Login to Terraform Cloud with an API token |
+| `terraform logout` | Logout from Terraform Cloud |