data.tf

locals {

  # Globals definition
  globals = {

    # Configuration for SSH connection parameters
    ssh_connection = {
      host     = var.SSH_HOST
      username = var.SSH_USERNAME

      password = var.SSH_PASSWORD
      key_path = var.SSH_KEY_PATH
      mode     = "password"
    }

    # Parameters related to those files used/thrown at some point on VM creation
    io_files = {

      # Path to the folder containing SSH keys authorized in all the VMs
      external_ssh_keys_path = "./files/input/external-ssh-keys"

      # Path to the folder where instances' autogenerated SSH keys will be stored
      instances_ssh_keys_path = "./files/output"
    }

    # Parameters related to the installable OS on VMs creation
    os = {

      # Distro version to use
      # ATM, only ubuntu is supported, so the version is something like: 23.04
      version = "23.04"
    }
  }

  # Networks definition
  # Possible types: nat, macvtap
  networks = {

    # Configuration for a macvtap
    external0 = {
      # Type of network
      # Possible values: nat, macvtap
      mode = "macvtap"

      # Host physical interface to attach
      # the autogenerated virtual interface
      interface = "eth0"

      # Assignable IP address blocks in CIDR notation
      # Example: [IPv4/CIDR] -> /28 prefix make assignable 16 IPs
      dhcp_address_blocks = ["192.168.2.40/28"]

      # Address to the gateway
      gateway_address = "192.168.2.1"
    }

    # Configuration for a NAT
    virnat0 = {
      # Type of network
      # Possible values: nat, macvtap
      mode = "nat"

      # Assignable IP address blocks in CIDR notation
      dhcp_address_blocks = ["10.10.10.0/24"]

      # Address to the gateway
      gateway_address = "10.10.10.1"
    }
  }

  # Instance basic definition.
  # WARNING: Choose IP a address inside the right subnet
  instances = {

    # Define the masters
    kube-master-0 = {
      # Using 'OrangePi 5' as hypervisor. This SBC is quite new, so there is no specific machine type for it
      # Use generic 'virt' to apply all needed patches for this kind of environments
      # Ref: https://www.qemu.org/docs/master/system/target-arm.html
      arch    = "aarch64"
      machine = "virt"

      vcpu   = 2
      memory = 6144
      disk   = 20000000000
      networks = [
        {
          name    = "external0"
          address = "192.168.2.41/24"
          mac     = "DA:C8:20:7A:37:BF"
          # If we have more than one network, ones must be marked as default
          default = true
        },
        {
          name    = "virnat0"
          address = "10.10.10.10/24"
          mac     = "F9:1C:A6:02:77:83"
        },
      ]
    }

    # Define the masters
    kube-worker-0 = {
      # Using 'OrangePi 5' as hypervisor. This SBC is quite new, so there is no specific machine type for it
      # Use generic 'virt' to apply all needed patches for this kind of environments
      # Ref: https://www.qemu.org/docs/master/system/target-arm.html
      arch    = "aarch64"
      machine = "virt"

      vcpu   = 2
      memory = 6144
      disk   = 20000000000
      networks = [
        {
          name    = "virnat0"
          address = "10.10.10.20/24"
          mac     = "BE:FE:37:D8:6B:AB"
        }
      ]
    }

  }
}