[TEC-62] Create EC2 instance for GitLab provisioning

README.md

@@ -39,3 +39,5 @@ Show all outputs:
 
 
 
+
+

environments/dev/ec2/main.tf

@@ -0,0 +1,15 @@
+provider "aws" {
+  region = var.region
+}
+
+module "ec2" {
+  source             = "../../../modules/ec2"
+  region             = var.region 
+  instance_name      = var.instance_name
+  ami_id             = var.ami_id
+  instance_type      = var.instance_type
+  key_name           = var.key_name
+  instance_count     = var.instance_count
+  subnet_ids         = var.subnet_ids
+  security_group_ids = var.security_group_ids
+}

environments/dev/ec2/outputs.tf

@@ -0,0 +1,14 @@
+output "instance_state" {
+  description = "The state of the ec2 instance "
+  value       = module.ec2.instance_state
+}
+
+output "instance_public_dns" {
+  description = "The Public DNS address of the ec2 instance"
+  value       = module.ec2.instance_public_dns
+}
+
+output "instance_public_ip" {
+  description = "The Public Ip address of the ec2 instance"
+  value       = module.ec2.instance_public_ip
+}

environments/dev/ec2/variables.tf

@@ -0,0 +1,39 @@
+variable "region" {
+  type        = string
+  description = "Region of the ec2 instance"
+}
+
+variable "instance_name" {
+  type        = string
+  description = "Name of the ec2 instance"
+}
+
+variable "ami_id" {
+  type        = string
+  description = "AMI Id of the ec2 instance"
+}
+
+variable "instance_type" {
+  type        = string
+  description = "Instance type of the ec2 instance"
+}
+
+variable "key_name" {
+  type        = string
+  description = "Key name of the ec2 instance"
+}
+
+variable "security_group_ids" {
+  type        = list(string)
+  description = "Security group id of the ec2 instance"
+}
+
+variable "instance_count" {
+  type        = number
+  description = "Count of the ec2 instances"
+}
+
+variable "subnet_ids" {
+  type        = list(string)
+  description = "Subnet ids of the ec2 instance"
+}

modules/ec2/main.tf

@@ -0,0 +1,34 @@
+resource "aws_security_group" "instance-sg" {
+  name        = "instance-sg"
+  description = "Security Group for Instance"
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}
+
+
+resource "aws_instance" "gitlab_instance" {
+  count = var.instance_count
+
+  ami                    = var.ami_id
+  instance_type          = var.instance_type
+  key_name               = var.key_name
+  vpc_security_group_ids = [aws_security_group.instance-sg.id]
+
+  tags = {
+    Name = "${var.instance_name}-${count.index + 1}"
+  }
+
+  subnet_id = element(var.subnet_ids, count.index % length(var.subnet_ids))
+}

modules/ec2/outputs.tf

@@ -0,0 +1,14 @@
+output "instance_state" {
+  description = "The state of the ec2 instance "
+  value       = aws_instance.gitlab_instance.*.instance_state
+}
+
+output "instance_public_dns" {
+  description = "The Public DNS address of the ec2 instance"
+  value       = aws_instance.gitlab_instance.*.public_dns
+}
+
+output "instance_public_ip" {
+  description = "The Public Ip address of the ec2 instance"
+  value       = aws_instance.gitlab_instance.*.public_ip
+}

modules/ec2/variables.tf

@@ -0,0 +1,39 @@
+variable "region" {
+  type        = string
+  description = "Region of the ec2 instance"
+}
+
+variable "instance_name" {
+  type        = string
+  description = "Name of the ec2 instance"
+}
+
+variable "ami_id" {
+  type        = string
+  description = "AMI Id of the ec2 instance"
+}
+
+variable "instance_type" {
+  type        = string
+  description = "Instance type of the ec2 instance"
+}
+
+variable "key_name" {
+  type        = string
+  description = "Key name of the ec2 instance"
+}
+
+variable "security_group_ids" {
+  type        = list(string)
+  description = "Security group id of the ec2 instance"
+}
+
+variable "instance_count" {
+  type        = number
+  description = "Count of the ec2 instances"
+}
+
+variable "subnet_ids" {
+  type        = list(string)
+  description = "Subnet ids of the ec2 instance"
+}

vars/dev/ec2.tfvars

@@ -0,0 +1,9 @@
+# ec2 instance vars
+region             = "eu-north-1"
+instance_name      = "GitLab-CI"
+ami_id             = "ami-0989fb15ce71ba39e"
+instance_type      = "t3.micro"
+key_name           = "techiescamp"
+instance_count     = 1
+security_group_ids = ["sg-0aa656667277a3e65"]
+subnet_ids         = ["subnet-07fab58fa9620dfb9", "subnet-051fbcbaa925b8c44", "subnet-0c46e29a23c5ba3b8"]