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1provider "aws" {
2  access_key = "${var.access_key}"
3  secret_key = "${var.secret_key}"
4  region     = "${var.region}"
5}
6
7resource "aws_instance" "example" {
8  ami           = "${lookup(var.amis, var.region)}"
9  instance_type = "t2.micro"
10
11  provisioner "local-exec" {
12    command = "echo ${aws_instance.example.public_ip} > ip_address.txt"
13  }
14}
15
16resource "aws_eip" "ip" {
17    instance = "${aws_instance.example.id}"
18    depends_on = ["aws_instance.example"]
19}
20
21output "ip" {
22    value = "${aws_eip.ip.public_ip}"
23}