Abhimanyu-848468.tf.txt

Create a template for running a simple two-tier architecture on Amazon Web services. The premise is that you have stateless app servers running behind an ELB serving traffic.

#VARIABLE

variable "AWS_REGION" {
  default = "eu-east-1"
}

variable "PRIVATEKEY" {
  default = "pkey"
}

variable "PUBLICKEY" {
  default = "pkey.pub"
}

variable "AMIS" {
  type = "map"
  default = {
    us-west-2 = "ami-06b94666"
    eu-west-1 = "ami-844e0bf7"
    us-east-1 = "ami-13be557e"
  }
}

#PROVIDER
provider "aws" { 
    region = "${var.AWS_REGION}"
}

#RESOURCE
resource "aws_key_pair" "pkeypair" {
  key_name = "pkeypair"
  public_key = "${file("${var.PUBLICKEY}")}"
}


#AUTOSCALING
resource "aws_launch_configuration" "aws-config" {

  name          = "AWSconfig"
  image_id             = "${lookup(var.AMIS, var.AWS_REGION)}"
  instance_type        = "t2.micro"
  key_name             = "${aws_key_pair.pkeypair.key_name}"
}

resource "aws_autoscaling_group" "autoscaling" {

  name                 = "autoscaling"
  launch_configuration = "${aws_launch_configuration.aws-config.name}"
  min_size             = 2
  max_size             = 2
  health_check_grace_period = 300
  health_check_type = "ELB"
  load_balancers = ["${aws_elb.a-elb.name}"]
  force_delete = true
  tag {
      key = "Name"
      value = "ec2 instance"
      propagate_at_launch = true
  }
}

#ELB
resource "aws_elb" "a-elb" {
  name = "a-elb"
 
listener {
    instance_port = 8080	
    instance_protocol = "http"
    lb_port = 8080
    lb_protocol = "http"
  }

  health_check {
    healthy_threshold = 2
    unhealthy_threshold = 2
    timeout = 3
    target = "HTTP:8080/"
    interval = 30
  }

  cross_zone_load_balancing = true
  connection_draining = true
  connection_draining_timeout = 400
  tags {
    Name = "a-elb"
  }

}

#OUTPUT
output "ELB" {
	value = "${aws_elb.a-elb.dns_name}"

}


# Internet VPC
resource "aws_vpc" "main" {
    cidr_block = "10.0.0.0/16"
    instance_tenancy = "default"
    enable_dns_support = "true"
    enable_dns_hostnames = "true"
    enable_classiclink = "false"
    tags {
        Name = "main"
    }
}