Manajemen Provider & Multi-Provider Setup

terraform {
  required_version = ">= 1.5.0"

  required_providers {
    # 1. Official Provider (Dikelola oleh HashiCorp/Vendor Resmi)
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.30.0"
    }

    # 2. Partner Provider (Contoh: Cloudflare)
    cloudflare = {
      source  = "cloudflare/cloudflare"
      version = "~> 4.20.0"
    }

    # 3. Community Provider (Contoh: Proxmox VE oleh Telmate)
    proxmox = {
      source  = "Telmate/proxmox"
      version = "2.9.14"
    }

    # 4. Docker Provider
    docker = {
      source  = "kreuzwerker/docker"
      version = "~> 3.0.2"
    }
  }
}

terraform init

provider "aws" {
  region     = "ap-southeast-1"
  # Praktik terbaik: kredensial dibaca otomatis dari ~/.aws/credentials atau env vars
  # (AWS_ACCESS_KEY_ID & AWS_SECRET_ACCESS_KEY)
}

provider "google" {
  project     = "my-gcp-project-id"
  region      = "asia-southeast2" # Jakarta
  credentials = file("gcp-service-account-key.json")
}

provider "cloudflare" {
  api_token = var.cloudflare_api_token
}

provider "proxmox" {
  pm_api_url          = "https://192.168.1.100:8006/api2/json"
  pm_api_token_id     = "terraform@pve!token-id"
  pm_api_token_secret = var.pve_token_secret
  pm_tls_insecure     = true
}

# Provider AWS Default (Singapura)
provider "aws" {
  region = "ap-southeast-1"
}

# Provider AWS Sekunder dengan Alias (US East / Virginia)
provider "aws" {
  alias  = "virginia"
  region = "us-east-1"
}

# 1. Resource dibuat di Singapura (menggunakan provider default)
resource "aws_vpc" "singapore_vpc" {
  cidr_block = "10.0.0.0/16"
  tags       = { Name = "Singapore-Primary-VPC" }
}

# 2. Resource dibuat di Virginia (secara eksplisit memanggil alias virginia)
resource "aws_vpc" "virginia_vpc" {
  provider   = aws.virginia
  cidr_block = "10.200.0.0/16"
  tags       = { Name = "Virginia-Disaster-Recovery-VPC" }
}