Create sanitech_optimization.tf

func/sanitech_optimization.tf

@@ -0,0 +1,137 @@
+provider "aws" {
+  region = "us-east-1"
+}
+
+resource "aws_autoscaling_group" "sanitech_optimization" {
+  name                 = "sanitech-optimization"
+  launch_configuration = aws_launch_configuration.sanitech_optimization.name
+  min_size             = 1
+  max_size             = 10
+  desired_capacity     = 3
+  health_check_type    = "EC2"
+  health_check_grace_period = 300
+  force_delete        = true
+  vpc_zone_identifier  = aws_subnet.sanitech_private[*].id
+
+  tag {
+    key                 = "Name"
+    value               = "sanitech-optimization"
+    propagate_at_launch = true
+  }
+
+  tag {
+    key                 = "Environment"
+    value               = "production"
+    propagate_at_launch = true
+  }
+}
+
+resource "aws_launch_configuration" "sanitech_optimization" {
+  name_prefix          = "sanitech-optimization-"
+  image_id             = "ami-0c94855ba95c574c8"
+  instance_type        = "t3.micro"
+  key_name             = "sanitech-key"
+  security_groups      = [aws_security_group.sanitech_optimization.id]
+  user_data            = filebase64("user-data.sh")
+  iam_instance_profile = aws_iam_instance_profile.sanitech_optimization.name
+
+  lifecycle {
+    create_before_destroy = true
+  }
+}
+
+resource "aws_iam_instance_profile" "sanitech_optimization" {
+  name_prefix = "sanitech-optimization-"
+  role        = aws_iam_role.sanitech_optimization.name
+}
+
+resource "aws_iam_role" "sanitech_optimization" {
+  name_prefix = "sanitech-optimization-"
+
+  assume_role_policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        Action = "sts:AssumeRole"
+        Effect = "Allow"
+        Principal = {
+          Service = "ec2.amazonaws.com"
+        }
+      }
+    ]
+  })
+}
+
+resource "aws_iam_role_policy_attachment" "sanitech_optimization" {
+  policy_arn = "arn:aws:iam::aws:policy/service-associate-autoscaling"
+  role       = aws_iam_role.sanitech_optimization.name
+}
+
+resource "aws_security_group" "sanitech_optimization" {
+  name_prefix = "sanitech-optimization-"
+
+  vpc_id = aws_vpc.sanitech.id
+
+  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_cloudwatch_metric_alarm" "sanitech_optimization_cpu_utilization" {
+  alarm_name          = "sanitech-optimization-cpu-utilization"
+  comparison_operator = "GreaterThanOrEqualToThreshold"
+  evaluation_periods  = "1"
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/EC2"
+  period              = "60"
+  statistic           = "Average"
+  threshold           = "80"
+
+  alarm_description = "This metric monitors the CPU utilization of the SaniTech Optimization instances and sends an alert when the average CPUutilization is greater than or equal to 80% for 1 minute."
+
+  alarm_actions = [aws_autoscaling_policy.sanitech_optimization_scale_up.arn]
+}
+
+resource "aws_autoscaling_policy" "sanitech_optimization_scale_up" {
+  name                   = "sanitech-optimization-scale-up"
+  scaling_adjustment     = "1"
+  adjustment_type        = "ChangeInCapacity"
+  cooldown               = "300"
+  autoscaling_group_name = aws_autoscaling_group.sanitech_optimization.name
+}
+
+resource "aws_cloudwatch_metric_alarm" "sanitech_optimization_memory_utilization" {
+  alarm_name          = "sanitech-optimization-memory-utilization"
+  comparison_operator = "GreaterThanOrEqualToThreshold"
+  evaluation_periods  = "1"
+  metric_name         = "MemoryUtilization"
+  namespace           = "AWS/EC2"
+  period              = "60"
+  statistic           = "Average"
+  threshold           = "80"
+
+  alarm_description = "This metric monitors the memory utilization of the SaniTech Optimization instances and sends an alert when the average memory utilization is greater than or equal to 80% for 1 minute."
+
+  alarm_actions = [aws_autoscaling_policy.sanitech_optimization_scale_down.arn]
+}
+
+resource "aws_autoscaling_policy" "sanitech_optimization_scale_down" {
+  name                   = "sanitech-optimization-scale-down"
+  scaling_adjustment     = "-1"
+  adjustment_type        = "ChangeInCapacity"
+  cooldown               = "300"
+  autoscaling_group_name = aws_autoscaling_group.sanitech_optimization.name
+}