terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 4.16"
    }
  }

  required_version = ">= 1.2.0"
}

provider "aws" {
  region  = "us-west-2"
}

resource "aws_instance" "app_server" {
  ami           = var.ami_id
  instance_type = "t2.micro"
  key_name = var.ami_key_pair_name
  security_groups = ["${aws_security_group.ingress-all-test.id}"]

  # this is probably the only way to get the remote-execution (below) working. The elastic IP is not avaialable at this time
  associate_public_ip_address = true

  tags = {
    "Name" = var.ami_name
  }

  subnet_id = "${aws_subnet.subnet-uno.id}"

  connection {
    type="ssh"
    user="ubuntu"
    host = self.public_ip
    # we are assuming the ppk key is loaded into pageant...
    agent = true
  }

  # Upload the set up script
  provisioner "file" {
    source      = "setupAppServer.sh"
    destination = "/tmp/setupAppServer.sh"
  }

  # Uplaod docker image
  provisioner "file" {
    source      = "../docker/dumbserver.image.tar"
    destination = "/tmp/dumbserver.image.tar"
  }

  # Upload example data file
  provisioner "file" {
    source      = "../app/dataDir/data"
    destination = "/tmp/data"
  }

  provisioner "remote-exec" {
    inline = [
      "chmod +x /tmp/setupAppServer.sh",
      "sudo /tmp/setupAppServer.sh"
    ]
  }  

}