From e7b16112d6f6070fdd8b596b98dc87b714b9a3d0 Mon Sep 17 00:00:00 2001
From: Nagarajan Govindarajan <nagagovindar@sph.com.sg>
Date: Tue, 23 Jan 2024 12:50:25 +0800
Subject: [PATCH 1/2] Dynamic ECS service capacity providers

---
 main.tf                      |  3 +++
 modules/service/main.tf      | 11 +++++++++++
 modules/service/variables.tf |  6 ++++++
 3 files changed, 20 insertions(+)

diff --git a/main.tf b/main.tf
index 16f2c2b..1201ce8 100644
--- a/main.tf
+++ b/main.tf
@@ -75,6 +75,9 @@ module "service" {
 
   enable_execute_command     = var.enable_execute_command
   task_placement_constraints = var.task_placement_constraints
+
+  capacity_provider_strategy = var.default_capacity_provider_strategy
+
 }
 
 module "service_cpu_autoscaling_policy" {
diff --git a/modules/service/main.tf b/modules/service/main.tf
index 4a2bb60..0e41010 100644
--- a/modules/service/main.tf
+++ b/modules/service/main.tf
@@ -159,6 +159,17 @@ resource "aws_ecs_service" "this" {
     }
   }
 
+  dynamic "capacity_provider_strategy" {
+    for_each = var.capacity_provider_strategy != null ? var.capacity_provider_strategy : []
+
+    iterator = strategy
+    content {
+      capacity_provider = strategy.value["capacity_provider"]
+      weight            = lookup(strategy.value, "weight", null)
+      base              = lookup(strategy.value, "base", null)
+    }
+  }
+
   tags = var.tags
 
 }
diff --git a/modules/service/variables.tf b/modules/service/variables.tf
index b4f05b8..88b38f6 100644
--- a/modules/service/variables.tf
+++ b/modules/service/variables.tf
@@ -131,6 +131,12 @@ variable "deployment_circuit_breaker" {
   default     = {}
 }
 
+variable "capacity_provider_strategy" {
+  description = "The capacity provider strategy to use by ecs service. Can be one or more."
+  type        = list(map(any))
+  default     = []
+}
+
 ################################################################################
 # ECS Task Definition
 ################################################################################

From dba6e05e63ef45efdbfd0c1eaed3ff110cfa7c7a Mon Sep 17 00:00:00 2001
From: Nagarajan Govindarajan <nagagovindar@sph.com.sg>
Date: Tue, 23 Jan 2024 13:08:54 +0800
Subject: [PATCH 2/2] Update README.md

Add new variables
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index dcc0a31..75efad8 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,8 @@ No resources.
 | <a name="input_service_target_cpu_value"></a> [service\_target\_cpu\_value](#input\_service\_target\_cpu\_value) | Autoscale when CPU Usage value over the specified value. Must be specified if `enable_cpu_based_autoscaling` is `true`. | `number` | `70` | no |
 | <a name="input_service_task_execution_role_arn"></a> [service\_task\_execution\_role\_arn](#input\_service\_task\_execution\_role\_arn) | Default IAM role for ECS execution | `string` | `""` | no |
 | <a name="input_service_task_role_arn"></a> [service\_task\_role\_arn](#input\_service\_task\_role\_arn) | Default IAM role for ECS task | `string` | `""` | no |
+| <a name="capacity_providers"></a> [capacity\_provider](#default\_capacity\_provider\_strategy) | Capacity providers for ECS Cluster | `list(string)` | `[]` | no |
+| <a name="default_capacity_provider_strategy"></a> [default\_capacity\_provider\_strategy](#default\_capacity\_provider\_strategy) | Default capacity provider strategy for ECS Cluster | `list(map(any))` | `[]` | no |
 | <a name="input_task_placement_constraints"></a> [task\_placement\_constraints](#input\_task\_placement\_constraints) | The rules that are taken into consideration during task placement. Maximum number of placement\_constraints is 10 | <pre>list(object({<br>    type       = string<br>    expression = string<br>  }))</pre> | `[]` | no |
 
 ## Outputs