feat(infra): update asg in api cluster

apps/infra/modules/codedang-infra/backend/admin-task-definition.tftpl

@@ -2,7 +2,7 @@
   {
     "name": "log_router",
     "image": "grafana/fluent-bit-plugin-loki:2.0.0-amd64",
-    "cpu": 0,
+    "cpu": 100,
     "memoryReservation": 50,
     "portMappings": [],
     "essential": true,
@@ -20,6 +20,8 @@
   {
     "name": "${task_name}",
     "image": "${ecr_uri}",
+    "cpu": 924,
+    "memoryReservation": 512,
     "essential": true,
     "portMappings": [
       {

apps/infra/modules/codedang-infra/backend/client-task-definition.tftpl

@@ -2,7 +2,7 @@
   {
     "name": "log_router",
     "image": "grafana/fluent-bit-plugin-loki:2.0.0-amd64",
-    "cpu": 0,
+    "cpu": 100,
     "memoryReservation": 50,
     "portMappings": [],
     "essential": true,
@@ -20,6 +20,8 @@
   {
     "name": "${task_name}",
     "image": "${ecr_uri}",
+    "cpu": 924,
+    "memoryReservation": 512,
     "essential": true,
     "portMappings": [
       {

apps/infra/modules/codedang-infra/ecs-api-admin-service-asg.tf

@@ -0,0 +1,83 @@
+###################### cloudwatch alert ######################
+resource "aws_cloudwatch_metric_alarm" "ecs_admin_api_scale_down" {
+  alarm_name          = "Codedang-Admin-Api-Service-Scale-Down-Alert"
+  comparison_operator = "LessThanThreshold"
+  datapoints_to_alarm = 10
+  evaluation_periods  = 10
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/ECS"
+  period              = 60
+  statistic           = "Average"
+  threshold           = 50
+  alarm_description   = "This metric monitors task cpu utilization and scale down ecs service"
+  alarm_actions       = [aws_appautoscaling_policy.service_asp_admin_api_scale_down.arn]
+
+  dimensions = {
+    ClusterName = aws_ecs_cluster.api.name
+    ServiceName = aws_ecs_service.admin_api.name
+  }
+}
+
+resource "aws_cloudwatch_metric_alarm" "ecs_admin_api_scale_up" {
+  alarm_name          = "Codedang-Admin-Api-Service-Scale-Up-Alert"
+  comparison_operator = "GreaterThanThreshold"
+  datapoints_to_alarm = 1
+  evaluation_periods  = 1
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/ECS"
+  period              = 60
+  statistic           = "Maximum"
+  threshold           = 120
+  alarm_description   = "This metric monitors task cpu utilization and scale up ecs service"
+  alarm_actions       = [aws_appautoscaling_policy.service_asp_admin_api_scale_up.arn]
+
+  dimensions = {
+    ClusterName = aws_ecs_cluster.api.name
+    ServiceName = aws_ecs_service.admin_api.name
+  }
+}
+
+###################### Service Auto Scaling #####################
+resource "aws_appautoscaling_target" "service_asg_admin_api" {
+  max_capacity       = 8
+  min_capacity       = 1
+  resource_id        = "service/${aws_ecs_cluster.api.name}/${aws_ecs_service.admin_api.name}"
+  scalable_dimension = "ecs:service:DesiredCount"
+  service_namespace  = "ecs"
+}
+
+resource "aws_appautoscaling_policy" "service_asp_admin_api_scale_up" {
+  name               = "scale-up"
+  policy_type        = "StepScaling"
+  resource_id        = aws_appautoscaling_target.service_asg_admin_api.resource_id
+  scalable_dimension = aws_appautoscaling_target.service_asg_admin_api.scalable_dimension
+  service_namespace  = aws_appautoscaling_target.service_asg_admin_api.service_namespace
+
+  step_scaling_policy_configuration {
+    adjustment_type = "ChangeInCapacity"
+    cooldown        = 60
+
+    step_adjustment {
+      metric_interval_lower_bound = 0
+      scaling_adjustment          = 1
+    }
+  }
+}
+
+resource "aws_appautoscaling_policy" "service_asp_admin_api_scale_down" {
+  name               = "scale-down"
+  policy_type        = "StepScaling"
+  resource_id        = aws_appautoscaling_target.service_asg_admin_api.resource_id
+  scalable_dimension = aws_appautoscaling_target.service_asg_admin_api.scalable_dimension
+  service_namespace  = aws_appautoscaling_target.service_asg_admin_api.service_namespace
+
+  step_scaling_policy_configuration {
+    adjustment_type = "ChangeInCapacity"
+    cooldown        = 30
+
+    step_adjustment {
+      metric_interval_upper_bound = -30
+      scaling_adjustment          = -1
+    }
+  }
+}

apps/infra/modules/codedang-infra/ecs-api-admin.tf

@@ -94,8 +94,7 @@ resource "aws_ecs_task_definition" "admin_api" {
   family                   = "Codedang-Admin-Api"
   requires_compatibilities = ["EC2"]
   network_mode             = "bridge"
-  cpu                      = 512
-  memory                   = 512
+  memory                   = 950
   container_definitions = templatefile("${path.module}/backend/admin-task-definition.tftpl", {
     task_name = "Codedang-Admin-Api",
     # aurora-posrgresql

apps/infra/modules/codedang-infra/ecs-api-asg.tf

@@ -51,7 +51,7 @@ resource "aws_autoscaling_policy" "asp_api" {
   estimated_instance_warmup = 300
 
   target_tracking_configuration {
-    target_value = 90
+    target_value = 70
     predefined_metric_specification {
       predefined_metric_type = "ASGAverageCPUUtilization"
     }

apps/infra/modules/codedang-infra/ecs-api-client-service-asg.tf

@@ -0,0 +1,83 @@
+###################### cloudwatch alert ######################
+resource "aws_cloudwatch_metric_alarm" "ecs_client_api_scale_down" {
+  alarm_name          = "Codedang-Client-Api-Service-Scale-Down-Alert"
+  comparison_operator = "LessThanThreshold"
+  datapoints_to_alarm = 10
+  evaluation_periods  = 10
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/ECS"
+  period              = 60
+  statistic           = "Average"
+  threshold           = 50
+  alarm_description   = "This metric monitors task cpu utilization and scale down ecs service"
+  alarm_actions       = [aws_appautoscaling_policy.service_asp_client_api_scale_down.arn]
+
+  dimensions = {
+    ClusterName = aws_ecs_cluster.api.name
+    ServiceName = aws_ecs_service.client_api.name
+  }
+}
+
+resource "aws_cloudwatch_metric_alarm" "ecs_client_api_scale_up" {
+  alarm_name          = "Codedang-Client-Api-Service-Scale-Up-Alert"
+  comparison_operator = "GreaterThanThreshold"
+  datapoints_to_alarm = 1
+  evaluation_periods  = 1
+  metric_name         = "CPUUtilization"
+  namespace           = "AWS/ECS"
+  period              = 60
+  statistic           = "Maximum"
+  threshold           = 120
+  alarm_description   = "This metric monitors task cpu utilization and scale up ecs service"
+  alarm_actions       = [aws_appautoscaling_policy.service_asp_client_api_scale_up.arn]
+
+  dimensions = {
+    ClusterName = aws_ecs_cluster.api.name
+    ServiceName = aws_ecs_service.client_api.name
+  }
+}
+
+###################### Service Auto Scaling #####################
+resource "aws_appautoscaling_target" "service_asg_client_api" {
+  max_capacity       = 8
+  min_capacity       = 1
+  resource_id        = "service/${aws_ecs_cluster.api.name}/${aws_ecs_service.client_api.name}"
+  scalable_dimension = "ecs:service:DesiredCount"
+  service_namespace  = "ecs"
+}
+
+resource "aws_appautoscaling_policy" "service_asp_client_api_scale_up" {
+  name               = "scale-up"
+  policy_type        = "StepScaling"
+  resource_id        = aws_appautoscaling_target.service_asg_client_api.resource_id
+  scalable_dimension = aws_appautoscaling_target.service_asg_client_api.scalable_dimension
+  service_namespace  = aws_appautoscaling_target.service_asg_client_api.service_namespace
+
+  step_scaling_policy_configuration {
+    adjustment_type = "ChangeInCapacity"
+    cooldown        = 60
+
+    step_adjustment {
+      metric_interval_lower_bound = 0
+      scaling_adjustment          = 1
+    }
+  }
+}
+
+resource "aws_appautoscaling_policy" "service_asp_client_api_scale_down" {
+  name               = "scale-down"
+  policy_type        = "StepScaling"
+  resource_id        = aws_appautoscaling_target.service_asg_client_api.resource_id
+  scalable_dimension = aws_appautoscaling_target.service_asg_client_api.scalable_dimension
+  service_namespace  = aws_appautoscaling_target.service_asg_client_api.service_namespace
+
+  step_scaling_policy_configuration {
+    adjustment_type = "ChangeInCapacity"
+    cooldown        = 30
+
+    step_adjustment {
+      metric_interval_upper_bound = -30
+      scaling_adjustment          = -1
+    }
+  }
+}

apps/infra/modules/codedang-infra/ecs-api-client.tf

@@ -94,8 +94,7 @@ resource "aws_ecs_task_definition" "client_api" {
   family                   = "Codedang-Client-Api"
   requires_compatibilities = ["EC2"]
   network_mode             = "bridge"
-  cpu                      = 512
-  memory                   = 512
+  memory                   = 950
   container_definitions = templatefile("${path.module}/backend/client-task-definition.tftpl", {
     task_name = "Codedang-Client-Api",
     # aurora-posrgresql

apps/infra/modules/codedang-infra/ecs-iris-service-asg.tf

@@ -1,5 +1,5 @@
 ###################### cloudwatch alert ######################
-resource "aws_cloudwatch_metric_alarm" "ecs_iris_scale-down" {
+resource "aws_cloudwatch_metric_alarm" "ecs_iris_scale_down" {
   alarm_name          = "Codedang-Iris-Service-Scale-Down-Alert"
   comparison_operator = "LessThanThreshold"
   datapoints_to_alarm = 15
@@ -18,7 +18,7 @@ resource "aws_cloudwatch_metric_alarm" "ecs_iris_scale-down" {
   }
 }
 
-resource "aws_cloudwatch_metric_alarm" "ecs_iris_scale-up" {
+resource "aws_cloudwatch_metric_alarm" "ecs_iris_scale_up" {
   alarm_name          = "Codedang-Iris-Service-Scale-Up-Alert"
   comparison_operator = "GreaterThanThreshold"
   datapoints_to_alarm = 1