15 Useful Ansible Modules for Terraform Automation
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In the realm of infrastructure as code (IaC), the marriage of Ansible and Terraform has proven to be a powerful alliance for automating and managing infrastructure. Ansible, with its agentless architecture, seamlessly integrates with Terraform to provide a robust automation solution. In this article, we'll explore 15 indispensable Ansible modules that enhance the Terraform automation experience, making your infrastructure management more efficient and scalable.
1. Installing Ansible and Terraform
Before diving into the Ansible modules, ensure you have both Ansible and Terraform installed. Use the following commands to install them:
# Install Ansible
sudo apt-get update
sudo apt-get install ansible
# Install Terraform
sudo apt-get install unzip
wget https://releases.hashicorp.com/terraform/0.14.11/terraform_0.14.11_linux_amd64.zip
unzip terraform_0.14.11_linux_amd64.zip
sudo mv terraform /usr/local/bin/
2. Ansible Modules for Terraform Initialization
a. terraform_init
The terraform_init
module allows you to initialize a Terraform configuration:
- name: Initialize Terraform
hosts: localhost
tasks:
- name: Initialize Terraform
community.general.terraform_init:
backend_config:
storage_account_name: ""
container_name: ""
3. Managing Terraform Workspaces
a. terraform_workspace
Create and select Terraform workspaces effortlessly with the terraform_workspace
module:
- name: Manage Terraform Workspaces
hosts: localhost
tasks:
- name: Create Terraform Workspace
community.general.terraform_workspace:
name: dev
- name: Select Terraform Workspace
community.general.terraform_workspace:
name: prod
state: present
4. Ansible Modules for Terraform Configuration Deployment
a. terraform_apply
Deploy your Terraform configuration using the terraform_apply
module:
- name: Deploy Terraform Configuration
hosts: localhost
tasks:
- name: Apply Terraform Configuration
community.general.terraform_apply:
directory: /path/to/terraform/config
5. Automating Terraform Destroy
a. terraform_destroy
Automate the destruction of Terraform resources with the terraform_destroy
module:
- name: Destroy Terraform Resources
hosts: localhost
tasks:
- name: Destroy Terraform Resources
community.general.terraform_destroy:
directory: /path/to/terraform/config
6. Ansible Modules for Terraform State Management
a. terraform_remote_data
Manage Terraform remote data with the terraform_remote_data
module:
- name: Manage Terraform State Data
hosts: localhost
tasks:
- name: Get Terraform Remote State
community.general.terraform_remote_data:
backend_type: azurerm
config: /path/to/backend/config.tf
7. Automating Terraform Plan
a. terraform_plan
Automate the generation of Terraform plans with the terraform_plan
module:
- name: Generate Terraform Plan
hosts: localhost
tasks:
- name: Create Terraform Plan
community.general.terraform_plan:
directory: /path/to/terraform/config
8. Managing Terraform Variables
a. terraform_variable
Efficiently manage Terraform variables with the terraform_variable
module:
- name: Manage Terraform Variables
hosts: localhost
tasks:
- name: Set Terraform Variable
community.general.terraform_variable:
key: instance_type
value: t2.micro
9. Ansible Modules for Terraform Provider Installation
a. terraform_providers
Install Terraform providers seamlessly with the terraform_providers
module:
- name: Install Terraform Providers
hosts: localhost
tasks:
- name: Install AWS Terraform Provider
community.general.terraform_providers:
providers:
- name: aws
version: "~> 3.0"
10. Terraform Backend Configuration
a. terraform_backend_config
Configure your Terraform backend with the terraform_backend_config
module:
- name: Configure Terraform Backend
hosts: localhost
tasks:
- name: Set Azure Storage Backend Configuration
community.general.terraform_backend_config:
backend_type: azurerm
config: /path/to/backend/config.tf
11. Ansible Modules for Terraform Output Retrieval
a. terraform_output
Retrieve Terraform output values effortlessly with the terraform_output
module:
- name: Retrieve Terraform Output
hosts: localhost
tasks:
- name: Get Terraform Output
community.general.terraform_output:
module_path: /path/to/terraform/config
output_name: instance_ip
12. Dynamic Inventory with Terraform
a. terraform_inventory
Generate dynamic inventories using Terraform with the terraform_inventory
module:
- name: Generate Dynamic Inventory
hosts: localhost
tasks:
- name: Create Terraform Dynamic Inventory
community.general.terraform_inventory:
executable: /path/to/terraform/inventory/script
13. Ansible Modules for Terraform Locking
a. terraform_lock
Implement Terraform state locking with the terraform_lock
module:
- name: Implement Terraform Locking
hosts: localhost
tasks:
- name: Lock Terraform State
community.general.terraform_lock:
lock: true
lock_id: my-lock
14. Terraform Import Automation
a. terraform_import
Automate the import of existing resources into Terraform with the terraform_import
module:
- name: Import Existing Resources
hosts: localhost
tasks:
- name: Import EC2 Instance into Terraform
community.general.terraform_import:
addr: aws_instance.my_instance
id: i-0123456789abcdef0
15. Ansible Modules for Terraform Environment Variables
a. terraform_env_var
Manage Terraform environment variables with the terraform_env_var
module:
- name: Manage Terraform Environment Variables
hosts: localhost
tasks:
- name: Set AWS_ACCESS_KEY_ID
community.general.terraform_env_var:
key: AWS_ACCESS_KEY_ID
value: my_access_key
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