Add AWS ASG module and update VPC subnets

aws/aws_asg/modules/ec2/ec2-east/ec2-east.tf

@@ -0,0 +1,88 @@
+provider "aws" {
+    region = "us-east-1"
+}
+
+# Create a security group for the EC2 instance
+resource "aws_security_group" "instance-east" {
+    name_prefix = "instance-east-"
+    vpc_id      = var.vpc_id_east_1
+    # HTTP access
+    ingress {
+        from_port   = 80
+        to_port     = 80
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+    # HTTPS access
+    ingress {
+        from_port   = 443
+        to_port     = 443
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+    # SSH access
+    ingress {
+        from_port   = 22
+        to_port     = 22
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    tags = {
+        Name = "instance-security-group-east"
+    }
+}
+
+# Define the Launch Template
+resource "aws_launch_template" "lt-east" {
+    name_prefix   = "lt-east-"
+    image_id = "ami-0237a465e7f465b10" 
+    instance_type = "t3.small"
+    user_data = base64encode(file("${path.module}/user-data.sh"))
+    block_device_mappings {
+        device_name = "/dev/xvda"
+        ebs {
+            volume_size = 300
+        }
+    }
+    network_interfaces {
+        associate_public_ip_address = true
+        security_groups = [aws_security_group.instance-east.id]
+    }
+}
+
+# Define the Auto Scaling Group
+resource "aws_autoscaling_group" "asg-east" {
+    name_prefix                 = "asg-east-"
+    launch_template {
+        id      = aws_launch_template.lt-east.id
+        version = "$Latest"
+    }
+    vpc_zone_identifier         = [
+        var.us_east_subnet_1_id,
+        var.us_east_subnet_2_id,
+        var.us_east_subnet_3_id
+    ]
+    min_size                    = var.min_size
+    max_size                    = var.max_size
+    desired_capacity            = var.min_size
+    health_check_grace_period   = 300
+    health_check_type           = "EC2"
+    termination_policies        = ["OldestInstance"]
+    tag {
+        key                 = "Name"
+        value               = "asg-instance-east"
+        propagate_at_launch = true
+    }
+
+    depends_on = [
+        aws_security_group.instance-east,
+        aws_launch_template.lt-east
+    ]
+}
+
+data "aws_instances" "asg_instances-east" {
+  instance_tags = {
+    "aws:autoscaling:groupName" = aws_autoscaling_group.asg-east.name
+  }
+}

aws/aws_asg/modules/ec2/ec2-east/terraform.tfvars

@@ -0,0 +1,2 @@
+min_size = "3"
+max_size = "10"

aws/aws_asg/modules/ec2/ec2-east/user-data.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Install necessary packages
+sudo apt-get update
+sudo apt-get install -y git amazon-efs-utils vim-nox neofetch htop tmux curl wget 
+
+# Create new user with sudo privileges
+sudo useradd -m -s /bin/bash greg
+sudo usermod -aG sudo greg
+
+# Add authorized keys for your public key
+sudo mkdir -p /home/greg/.ssh
+sudo touch /home/greg/.ssh/authorized_keys
+sudo chmod 700 /home/greg/.ssh
+sudo chmod 600 /home/greg/.ssh/authorized_keys
+sudo chown -R greg:greg /home/greg/.ssh
+
+# Add your public key to authorized_keys
+sudo echo "" >> /home/greg/.ssh/authorized_keys
+
+# Set hostname
+INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
+AVAILABILITY_ZONE=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)
+HOSTNAME="$INSTANCE_ID-$AVAILABILITY_ZONE"
+sudo hostnamectl set-hostname $HOSTNAME
+
+# Run cloud-init.sh script
+# sudo sh /path/to/cloud-init.sh

aws/aws_asg/modules/ec2/ec2-east/variables.tf

@@ -0,0 +1,35 @@
+
+# Define variables
+variable "min_size" {
+    type        = number
+    description = "Minimum number of instances in the Auto Scaling Group"
+}
+
+variable "max_size" {
+    type        = number
+    description = "Maximum number of instances in the Auto Scaling Group"
+}
+
+
+variable "us_east_subnet_1_id" {
+  description = "The ID of the first US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_2_id" {
+  description = "The ID of the second US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_3_id" {
+  description = "The ID of the third US East subnet"
+  type        = string
+}
+
+variable "vpc_id_east_1" {
+  description = "The ID of the VPC"
+  type        = string
+}
+
+
+

aws/aws_asg/modules/ec2/ec2-west/ec2-west..tf

@@ -0,0 +1,90 @@
+provider "aws" {
+    region = "us-west-2"
+}
+
+# Create a security group for the EC2 instance
+resource "aws_security_group" "instance-west" {
+    name_prefix = "instance-west-"
+    vpc_id      = var.vpc_id_west_2
+    # HTTP access
+    ingress {
+        from_port   = 80
+        to_port     = 80
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    # HTTPS access
+    ingress {
+        from_port   = 443
+        to_port     = 443
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    # SSH access
+    ingress {
+        from_port   = 22
+        to_port     = 22
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+
+    tags = {
+        Name = "instance-security-group-west"
+    }
+}
+
+# Define the Launch Template
+resource "aws_launch_template" "lt-west" {
+    name_prefix   = "lt-west"
+    image_id = "ami-03bf1eb153d14803f" 
+    instance_type = "t3.small"
+    user_data = base64encode(file("${path.module}/user-data.sh"))
+    block_device_mappings {
+        device_name = "/dev/xvda"
+        ebs {
+            volume_size = 300
+        }
+    }
+    network_interfaces {
+        associate_public_ip_address = true
+        security_groups = [aws_security_group.instance-west.id]
+
+    }
+}
+
+# Define the Auto Scaling Group
+resource "aws_autoscaling_group" "asg-west" {
+    name_prefix                 = "asg-west-"
+    launch_template {
+        id      = aws_launch_template.lt-west.id
+        version = "$Latest"
+    }    
+    vpc_zone_identifier         = [
+        var.us_west_subnet_1_id,
+        var.us_west_subnet_2_id,
+        var.us_west_subnet_3_id
+    ]
+    min_size                    = var.min_size
+    max_size                    = var.max_size
+    desired_capacity            = var.min_size
+    health_check_grace_period   = 300
+    health_check_type           = "EC2"
+    termination_policies        = ["OldestInstance"]
+    tag {
+        key                 = "Name"
+        value               = "asg-instance-west"
+        propagate_at_launch = true
+    }
+    depends_on = [
+        aws_security_group.instance-west,
+        aws_launch_template.lt-west
+    ]
+}
+
+data "aws_instances" "asg_instances-west" {
+  instance_tags = {
+    "aws:autoscaling:groupName" = aws_autoscaling_group.asg-west.name
+  }
+}

aws/aws_asg/modules/ec2/ec2-west/outputs.tf

@@ -0,0 +1,4 @@
+# output "public_ips" {
+#   description = "Public IP addresses of the instances in the Auto Scaling group"
+#   value       = [for i in data.aws_instances.asg_instances.ids : aws_instance[i].public_ip]
+# }

aws/aws_asg/modules/ec2/ec2-west/terraform.tfvars

@@ -0,0 +1,2 @@
+min_size = "3"
+max_size = "10"

aws/aws_asg/modules/ec2/ec2-west/user-data.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Install necessary packages
+sudo apt-get update
+sudo apt-get install -y git amazon-efs-utils vim-nox neofetch htop tmux curl wget 
+
+# Create new user with sudo privileges
+sudo useradd -m -s /bin/bash greg
+sudo usermod -aG sudo greg
+
+# Add authorized keys for your public key
+sudo mkdir -p /home/greg/.ssh
+sudo touch /home/greg/.ssh/authorized_keys
+sudo chmod 700 /home/greg/.ssh
+sudo chmod 600 /home/greg/.ssh/authorized_keys
+sudo chown -R greg:greg /home/greg/.ssh
+
+# Add your public key to authorized_keys
+sudo echo "
+ssh-rsa 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 greg@ligma" >> /home/greg/.ssh/authorized_keys
+
+# Set hostname
+INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
+AVAILABILITY_ZONE=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)
+HOSTNAME="$INSTANCE_ID-$AVAILABILITY_ZONE"
+sudo hostnamectl set-hostname $HOSTNAME
+
+# Run cloud-init.sh script
+# sudo sh /path/to/cloud-init.sh

aws/aws_asg/modules/ec2/ec2-west/variables.tf

@@ -0,0 +1,32 @@
+
+# Define variables
+variable "min_size" {
+    type        = number
+    description = "Minimum number of instances in the Auto Scaling Group"
+}
+
+variable "max_size" {
+    type        = number
+    description = "Maximum number of instances in the Auto Scaling Group"
+}
+
+variable "us_west_subnet_1_id" {
+  description = "The ID of the first US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_2_id" {
+  description = "The ID of the second US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_3_id" {
+  description = "The ID of the third US West subnet"
+  type        = string
+}
+
+variable "vpc_id_west_2" {
+  description = "The ID of the VPC"
+  type        = string
+}
+