example.tf

#provider "vultr" {
#  api_key = "TODO_SET_TO_YOUR_API_KEY__OR__THE_VULTR_API_KEY_ENV_VARIABLE"
#}

output "ipv4_address" {
  value = "${vultr_server.example.ipv4_address}"
}

output "default_password" {
  sensitive = true
  value = "${vultr_server.example.default_password}"
}

resource "vultr_ssh_key" "example" {
  name = "example created from terraform"

  # get the public key from a local file.
  #
  # create the example_rsa.pub file with:
  #
  #	ssh-keygen -t rsa -b 4096 -C 'terraform example' -f example_rsa -N ''
  public_key = "${file("example_rsa.pub")}"
}

resource "vultr_dns_domain" "example" {
  # NB vultr does not allow sub-domains (e.g. vultr.example.com).
  name = "vultr-example.com"
  ipv4_address = "${vultr_server.example.ipv4_address}"
}

resource "vultr_dns_record" "test" {
  domain = "${vultr_dns_domain.example.name}"
  type = "A"
  name = "test"
  data = "${vultr_server.example.ipv4_address}"
}

resource "vultr_server" "example" {
  name = "example created from terraform"

  tag = "example tag"

  hostname = "test.vultr-example.com"

  # set the region. 1 is New Jersey.
  # get the list of regions with the command: vultr regions
  region_id = 1

  # set the plan. 200 is 512 MB RAM,20 GB SSD,0.50 TB BW.
  # get the list of plans with the command: vultr plans --region 1
  plan_id = 200

  # set the OS image. 244 is Debian 9 x64 (stretch).
  # get the list of OSs with the command: vultr os
  os_id = 244

  # enable IPv6.
  ipv6 = true

  # enable private networking.
  private_networking = true

  # enable one or more ssh keys on the root account.
  ssh_key_ids = ["${vultr_ssh_key.example.id}"]

  # execute a command on the local machine.
  provisioner "local-exec" {
    command = "echo local-exec ${vultr_server.example.ipv4_address}"
  }
}