First implementation of terraform setup

deploy/scripts/terraform/.terraform.lock.hcl

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+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version = "5.13.1"
+  hashes = [
+    "h1:T/p3Gp8uAvRk3BmBZI/B7JIUpxF+2DygvBsv2UvJK4w=",
+    "zh:0d107e410ecfbd5d2fb5ff9793f88e2ce03ae5b3bda4e3b772b5d146cdd859d8",
+    "zh:1080cf6a402939ec4ad393380f2ab2dfdc0e175903e08ed796aa22eb95868847",
+    "zh:300420d642c3ada48cfe633444eafa7bcd410cd6a8503de2384f14ac54dc3ce3",
+    "zh:4e0121014a8d6ef0b1ab4634877545737bb54e951340f1b67ffea8cd22b2d252",
+    "zh:59b401bbf95dc8c6bea58085ff286543380f176271251193eac09cb7fcf619b7",
+    "zh:5dfaf51e979131710ce8e1572e6012564e68c7c842e3d9caaaeb0fe6af15c351",
+    "zh:84bb75dafca056d7c3783be5185187fdd3294f902e9d72f7655f2efb5e066650",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:aa4e2b9f699d497041679bc05ca34ac21a5184298eb1813f35455b1883977910",
+    "zh:b51a4f08d84b071128df68a95cfa5114301a50bf8ab8e655dcf7e384e5bc6458",
+    "zh:bce284ac6ebb65053d9b703048e3157bf4175782ea9dbaec9f64dc2b6fcefb0c",
+    "zh:c748f78b79b354794098b06b18a02aefdb49be144dff8876c9204083980f7de0",
+    "zh:ee69d9aef5ca532392cdc26499096f3fa6e55f8622387f78194ebfaadb796aef",
+    "zh:ef561bee58e4976474bc056649095737fa3b2bcb74602032415d770bfc620c1f",
+    "zh:f696d8416c57c31f144d432779ba34764560a95937db3bb3dd2892a791a6d5a7",
+  ]
+}

deploy/scripts/terraform/main.tf

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+provider "aws" {
+  region = "us-east-1" # Choose the region as needed
+}
+
+module "docker-swarm" {
+  source          = "./modules/docker-swarm"
+  key_name        = aws_key_pair.swarm-key.key_name
+  vpc_id          = aws_vpc.swarm-vpc.id
+  subnet_id       = aws_subnet.swarm-subnet.id
+  security_group  = aws_security_group.swarm-sg.id
+  instance_type   = "t2.micro" # Choose the instance type as needed
+  manager_count   = 1
+  worker_count    = 10 # This is the number of services in the docker-compose.yml file
+}
+
+resource "aws_key_pair" "swarm-key" {
+  key_name   = "swarm-key"
+  public_key = file("~/.ssh/id_rsa.pub")
+}
+
+resource "aws_vpc" "swarm-vpc" {
+  cidr_block = "10.0.0.0/16"
+  enable_dns_support = true
+  enable_dns_hostnames = true
+}
+
+resource "aws_subnet" "swarm-subnet" {
+  vpc_id     = aws_vpc.swarm-vpc.id
+  cidr_block = "10.0.1.0/24"
+}
+
+resource "aws_security_group" "swarm-sg" {
+  vpc_id = aws_vpc.swarm-vpc.id
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 2376
+    to_port     = 2377
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 7946
+    to_port     = 7946
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 4789
+    to_port     = 4789
+    protocol    = "udp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}

deploy/scripts/terraform/modules/docker-swarm/main.tf

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+variable "key_name" {}
+variable "vpc_id" {}
+variable "subnet_id" {}
+variable "security_group" {}
+variable "instance_type" {}
+variable "manager_count" {}
+variable "worker_count" {}
+
+
+resource "aws_instance" "manager" {
+  count                  = var.manager_count
+  ami                    = "ami-08a52ddb321b32a8c" # Amazon Linux 2 LTS
+  instance_type          = var.instance_type
+  key_name               = var.key_name
+  vpc_security_group_ids = [var.security_group]
+  subnet_id              = var.subnet_id
+  associate_public_ip_address = true
+
+  user_data = <<-EOT
+                #!/bin/bash
+                sudo yum update -y
+                sudo yum install -y docker
+                sudo service docker start
+                sudo usermod -a -G docker ec2-user
+                sudo chkconfig docker on
+                docker swarm init --advertise-addr $(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
+                EOT
+
+  tags = {
+    Name = "manager-${count.index}"
+  }
+}
+
+resource "aws_instance" "worker" {
+  count                  = var.worker_count
+  ami                    = "ami-08a52ddb321b32a8c" # Amazon Linux 2 LTS
+  instance_type          = var.instance_type
+  key_name               = var.key_name
+  vpc_security_group_ids = [var.security_group]
+  subnet_id              = var.subnet_id
+  associate_public_ip_address = true
+
+  user_data = <<-EOT
+                #!/bin/bash
+                sudo yum update -y
+                sudo yum install -y docker
+                sudo service docker start
+                sudo usermod -a -G docker ec2-user
+                sudo chkconfig docker on
+                docker swarm join --token $(curl -s http://${aws_instance.manager.0.public_ip}:8080/token) ${aws_instance.manager.0.private_ip}:2377
+                EOT
+
+  tags = {
+    Name = "worker-${count.index}"
+  }
+}
+
+output "manager_public_ips" {
+  value = aws_instance.manager[*].public_ip
+}
+
+output "worker_public_ips" {
+  value = aws_instance.worker[*].public_ip
+}

deploy/scripts/terraform/outputs.tf

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+output "manager_public_ips" {
+  value = module.docker-swarm.manager_public_ips
+}
+
+output "worker_public_ips" {
+  value = module.docker-swarm.worker_public_ips
+}
+

deploy/scripts/terraform/variables.tf

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+variable "region" {
+  description = "The AWS region"
+  default     = "us-east-1"
+}
+
+variable "instance_type" {
+  description = "EC2 instance type"
+  default     = "t2.micro"
+}
+
+variable "manager_count" {
+  description = "Number of manager nodes"
+  default     = 1
+}
+
+variable "worker_count" {
+  description = "Number of worker nodes"
+  default     = 3
+}