The Cloudflare Terraform Provider is an official plugin for Terraform that allows users to manage Cloudflare resources using infrastructure-as-code principles. It provides a way to automate the creation, modification, and deletion of Cloudflare services and configurations through Terraform.

Pros

• Enables version-controlled, reproducible infrastructure management for Cloudflare resources
• Supports a wide range of Cloudflare products and features
• Regularly updated to include new Cloudflare capabilities
• Well-documented with extensive examples and community support

Cons

• Learning curve for users new to Terraform or infrastructure-as-code concepts
• Some advanced Cloudflare features may not be fully supported or require workarounds
• Potential for rate limiting when managing large numbers of resources
• Occasional breaking changes in major version updates

Code Examples

1. Creating a DNS record:

resource "cloudflare_record" "example" {
  zone_id = var.cloudflare_zone_id
  name    = "example.com"
  value   = "203.0.113.10"
  type    = "A"
  proxied = true
}

2. Configuring a Page Rule:

resource "cloudflare_page_rule" "example" {
  zone_id = var.cloudflare_zone_id
  target  = "example.com/api/*"
  actions {
    ssl = "strict"
    cache_level = "aggressive"
  }
}

3. Setting up a Worker route:

resource "cloudflare_worker_route" "example" {
  zone_id     = var.cloudflare_zone_id
  pattern     = "example.com/api/*"
  script_name = cloudflare_worker_script.example.name
}

resource "cloudflare_worker_script" "example" {
  name    = "api-worker"
  content = file("${path.module}/worker.js")
}

Getting Started

1. Install Terraform and set up your Cloudflare API credentials.
2. Create a new Terraform configuration file (e.g., main.tf) and add the Cloudflare provider:

terraform {
  required_providers {
    cloudflare = {
      source  = "cloudflare/cloudflare"
      version = "~> 3.0"
    }
  }
}

provider "cloudflare" {
  api_token = var.cloudflare_api_token
}

3. Define your Cloudflare resources using the provider's resource types.
4. Run terraform init to initialize the working directory and download the provider.
5. Use terraform plan to preview changes and terraform apply to apply them to your Cloudflare account.