scale

.gitignore

@@ -44,4 +44,6 @@ instance/
 __pycache__/
 
 inputs/
-outputs/
+outputs/
+
+services/

ecs.tf

@@ -6,17 +6,17 @@ resource "aws_ecs_task_definition" "spamoverflow" {
   family                   = "spamoverflow"
   network_mode             = "awsvpc"
   requires_compatibilities = ["FARGATE"]
-  cpu                      = 1024
-  memory                   = 2048
+  cpu                      = 4096
+  memory                   = 16384
   execution_role_arn       = data.aws_iam_role.lab.arn
   depends_on               = [docker_image.spamoverflow]
 
   container_definitions = <<DEFINITION
  [ 
    { 
     "image": "${docker_registry_image.spamoverflow.name}", 
-    "cpu": 1024, 
-    "memory": 2048, 
+    "cpu": 4096, 
+    "memory": 16384, 
     "name": "spamoverflow", 
     "networkMode": "awsvpc", 
     "portMappings": [ 
@@ -50,7 +50,7 @@ resource "aws_ecs_service" "spamoverflow" {
   name            = "spamoverflow"
   cluster         = aws_ecs_cluster.spamoverflow.id
   task_definition = aws_ecs_task_definition.spamoverflow.arn
-  desired_count   = 1
+  desired_count   = 2
   launch_type     = "FARGATE"
   depends_on      = [aws_ecs_task_definition.spamoverflow]
 
@@ -78,12 +78,12 @@ resource "aws_security_group" "spamoverflow" {
     cidr_blocks = ["0.0.0.0/0"]
   }
 
-  ingress {
-    from_port   = 22
-    to_port     = 22
-    protocol    = "tcp"
-    cidr_blocks = ["0.0.0.0/0"]
-  }
+  # ingress {
+  #   from_port   = 22
+  #   to_port     = 22
+  #   protocol    = "tcp"
+  #   cidr_blocks = ["0.0.0.0/0"]
+  # }
 
   egress {
     from_port   = 0
@@ -92,3 +92,29 @@ resource "aws_security_group" "spamoverflow" {
     cidr_blocks = ["0.0.0.0/0"]
   }
 }
+
+resource "aws_appautoscaling_target" "ecs_target" {
+  max_capacity       = 200
+  min_capacity       = 2
+  resource_id        = "service/${aws_ecs_cluster.spamoverflow.name}/${aws_ecs_service.spamoverflow.name}"
+  scalable_dimension = "ecs:service:DesiredCount"
+  service_namespace  = "ecs"
+
+  depends_on = [ aws_ecs_service.spamoverflow ]
+}
+
+resource "aws_appautoscaling_policy" "ecs_policy" {
+  name               = "cpu20"
+  policy_type        = "TargetTrackingScaling"
+  resource_id        = aws_appautoscaling_target.ecs_target.resource_id
+  scalable_dimension = aws_appautoscaling_target.ecs_target.scalable_dimension
+  service_namespace  = aws_appautoscaling_target.ecs_target.service_namespace
+
+  target_tracking_scaling_policy_configuration {
+    predefined_metric_specification {
+      predefined_metric_type = "ECSServiceAverageCPUUtilization"
+    }
+
+    target_value = 20
+  }
+}

k6.js

@@ -0,0 +1,30 @@
+import http from "k6/http";
+import { sleep, check } from "k6";
+
+export const options = {
+  stages: [
+    { target: 5000, duration: "1m" },
+    //    { target: 5000, duration: '10m' },
+  ],
+};
+
+export default function () {
+  const data = {
+    metadata: {
+      spamhammer: "1|14",
+    },
+    contents: {
+      subject: "Important information about your account.",
+      from: "[email protected]",
+      to: "[email protected]",
+      body: "Dear customer,\nWe have noticed some suspicious activity on your account. Please click [here](https://scam-check.uq.edu.au?userId=uqehugh3) to reset your password. and https://scam-check.uq.edu.au?userId=uqehugh3",
+    },
+  };
+  const res = http.post(
+    "http://spamoverflow-1430562822.us-east-1.elb.amazonaws.com:8080/api/v1/customers/111100005412/emails",
+    JSON.stringify(data),
+    { headers: { "Content-Type": "application/json" } }
+  );
+  check(res, { "status was 201": (r) => r.status == 201 });
+  sleep(1);
+}

local.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Change to the app folder.
-# cd app
+# cd services/endpoints
 
 # Buildkit to make sure we know what env
 export DOCKER_BUILDKIT=1

main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 4.0"
+      version = "~> 5.0"
     }
     docker = {
       source  = "kreuzwerker/docker"