docker-swarm-multicloud.pkr.hcl

variable "aws_access_key" {
  type        = string
  description = "AWS access key ID"
  sensitive   = true // Mark as sensitive for security
}

variable "aws_secret_key" {
  type        = string
  description = "AWS secret access key"
  sensitive   = true // Mark as sensitive for security
}

variable "aws_region" {
  type        = string
  description = "AWS region to build in"
  default     = env("AWS_DEFAULT_REGION") 
}

variable "gcloud_project_id" {
  type        = string
  description = "Google Cloud project ID"
  default     = env("TF_VAR_project_name") // Assuming Terraform integration
}

variable "gcloud_zone" {
  type        = string
  description = "Google Cloud zone"
  default     = "europe-west1-b"
}

# --- Sources ---

source "amazon-ebs" "ubuntu" {
  access_key = var.aws_access_key
  secret_key = var.aws_secret_key
  region     = var.aws_region

  source_ami_filter {
    filters = {
      "virtualization-type" = "hvm"
      "name"                = "*ubuntu-focal-20.04-amd64-server-*" 
      "root-device-type"    = "ebs"
    }
    owners      = ["099720109477"]
    most_recent = true
  }

  instance_type = "t2.micro"
  ssh_username  = "ubuntu"
  ami_name      = "docker-swarm-${timestamp()}" // Ensure unique name
}

source "googlecompute" "ubuntu" {
  project_id   = var.gcloud_project_id
  source_image = "ubuntu-2004-focal-v20230914" // Updated to a more recent image
  image_name   = "docker-swarm-${timestamp()}" // Ensure unique name
  ssh_username = "ubuntu"
  zone         = var.gcloud_zone
}

source "virtualbox-iso" "ubuntu" {
  guest_os_type       = "Ubuntu_64"
  vm_name             = "docker-swarm"
  iso_url             = "http://releases.ubuntu.com/20.04/ubuntu-20.04.6-desktop-amd64.iso" // Updated for the latest version of Ubuntu 20.04 LTS
  iso_checksum        = "99999999999999999999999999999999" // You will need to provide the correct sha256 checksum
  iso_checksum_type   = "sha256" // Updated to match the checksum type
  disk_size           = 10000
  ssh_username        = "vagrant"
  ssh_password        = "vagrant"
  ssh_wait_timeout    = "10000s"
  http_directory      = "packer"
  headless            = true
  boot_wait           = "5s"
  shutdown_command    = "echo 'vagrant' | sudo -S shutdown -P now"
  boot_command = [
    "<enter><wait><f6><esc><bs>...<bs>/install/vmlinuz<wait>",
    # ... (rest of the boot_command configuration)
  ]
}

# --- Build ---
build {
  sources = [
    "source.amazon-ebs.ubuntu",
    "source.googlecompute.ubuntu",
    "source.virtualbox-iso.ubuntu"
  ]

  provisioner "shell" {
    inline = [
      "sleep 30",
      "sudo apt-get update",                                              // Update package lists before installing
      "sudo curl -fsSL https://get.docker.com -o get-docker.sh",         // Use the official script
      "sudo sh get-docker.sh",                                            // Run the official script
      "sudo usermod -aG docker $(whoami)",
      "sudo curl -L \"https://github.com/docker/compose/releases/download/v2.18.1/docker-compose-$(uname -s)-$(uname -m)\" -o /usr/local/bin/docker-compose", // Update to the latest Docker Compose version
      "sudo chmod +x /usr/local/bin/docker-compose",
      "sudo curl -L git.io/weave -o /usr/local/bin/weave", 
      "sudo chmod +x /usr/local/bin/weave"
    ]
  }

  post-processor "vagrant" {
    only         = ["virtualbox-iso.ubuntu"] 
    include      = ["docker-compose.yml"]
    output       = "infra/local/docker-swarm.box"
  }

  post-processor "shell-local" {
    only    = ["virtualbox-iso.ubuntu"]
    inline = [
      "vagrant box add --force docker-swarm infra/local/docker-swarm.box"
    ]
  }
}