New example with all modules called

Author: siddharth-singh1

example/complete/main.tf

@@ -0,0 +1,115 @@
+################################################################################
+## defaults
+################################################################################
+terraform {
+  required_version = "~> 1.5"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+################################################################################
+## ecs cluster
+################################################################################
+
+module "ecs" {
+  source = "../modules/ecs"
+
+  create = true
+
+  ecs_cluster = {
+    name = "arc-ecs-module-poc"
+    configuration = {
+      execute_command_configuration = {
+        logging = "OVERRIDE"
+        log_configuration = {
+          log_group_name = "arc-poc-cluster-log-group"
+        }
+      }
+    }
+    create_cloudwatch_log_group = true
+    service_connect_defaults    = {}
+    settings                    = []
+  }
+
+  capacity_provider = {
+    autoscaling_capacity_providers = {}
+    default_capacity_provider_use_fargate = true
+    fargate_capacity_providers = {
+      fargate_cp = {
+        name = "FARGATE"
+        tags = {
+          Environment = "develop"
+        }
+      }
+    }
+  }
+  tags = {
+    Project     = "arc-poc-ecs"
+    Environment = "develop"
+  }
+}
+
+
+################################################################################
+##  ALB
+################################################################################
+
+module "alb" {
+  source = "../../modules/alb"
+
+  vpc_id = "vpc-12345"
+
+  alb = {
+    name     = "arc-poc-alb"
+    internal = false
+    port     = 80
+  }
+
+  alb_target_group = [{
+    name     = "arc-poc-alb-tg"
+    port     = 80
+    protocol = "HTTP"
+    vpc_id   = "vpc-12345"
+    health_check = {
+      enabled = true
+      path    = "/"
+    }
+  }]
+
+  listener_rules = []
+}
+
+
+################################################################################
+## health check service
+################################################################################
+
+module "health-check" {
+  source = "../../modules/health-check"
+
+  vpc_id      = "vpc-12345"
+  environment = "develop"
+
+  ecs = {
+    cluster_name         = module.ecs.ecs_cluster.name 
+    service_name         = "arc-ecs-module-service-poc"
+    repository_name      = "12345.dkr.ecr.us-east-1.amazonaws.com/arc/arc-poc-ecs"
+    enable_load_balancer = false
+  }
+
+  task = {
+    container_port = 8100
+  }
+
+  alb = {
+    name              = module.alb.name
+    listener_port     = 8100
+    security_group_id = ""
+  }
+  depends_on = [ module.alb ]
+}

example/health-check-service/.terraform.lock.hcl

@@ -0,0 +1,38 @@
+################################################################################
+## defaults
+################################################################################
+terraform {
+  required_version = "~> 1.5"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+module "health-check" {
+  source = "../../modules/health-check"
+
+  vpc_id      = "vpc-0e6c09980580ecbf6"
+  environment = "develop"
+  aws_region  = "us-east-1"
+
+  ecs = {
+    cluster_name         = "arc-ecs-module-poc"
+    service_name         = "arc-ecs-module-service-poc"
+    repository_name      = "884360309640.dkr.ecr.us-east-1.amazonaws.com/arc/arc-poc-ecs"
+    enable_load_balancer = false
+  }
+
+  task = {
+    container_port = 8100
+  }
+
+  alb = {
+    name              = "arc-poc-alb"
+    listener_port     = 8100
+    security_group_id = ""
+  }
+}

example/health-check-service/main.tf

@@ -1,3 +1,5 @@
+data "aws_region" "current" {}
+
 # Fetch all subnets in the VPC
 data "aws_subnets" "all" {
   filter {

modules/alb/data.tf

@@ -12,7 +12,7 @@ terraform {
   }
 }
 provider "aws" {
-  region = var.region
+  region = data.aws_region.current
 }
 
 ###################################################################

modules/alb/main.tf

@@ -21,7 +21,11 @@ output "alb_zone_id" {
   value       = aws_lb.this.alb_zone_id
 } */
 
-
+output "alb" {
+  value = {
+    name = aws_lb.this.name
+  }
+}
 
 # Use the filtered subnets
 output "public_subnets" {

modules/alb/outputs.tf

@@ -1,19 +1,9 @@
-variable "create_alb" {
-  type        = bool
-  default     = false
-  description = "A flag that decides whether to create alb"
-}
 
 variable "create_listener_rule" {
   type    = bool
   default = false
 }
 
-variable "region" {
-  type    = string
-  default = "us-east-1"
-}
-
 variable "vpc_id" {
   type        = string
   description = "VPC in which security group for ALB has to be created"

modules/alb/variables.tf

@@ -12,13 +12,30 @@ terraform {
   }
 }
 
+########################################################################
+# CloudWatch Log Group
+########################################################################
+resource "aws_cloudwatch_log_group" "this" {
+  count = var.ecs_cluster.create_cloudwatch_log_group ? 1 : 0
+
+  name = var.ecs_cluster.configuration.log_configuration.log_group_name != null ? var.ecs_cluster.configuration.log_configuration.log_group_name : "/aws/ecs/${var.ecs_cluster.name}"
+
+  retention_in_days = var.ecs_cluster.configuration.log_configuration.log_group_retention_in_days
+  kms_key_id        = var.ecs_cluster.configuration.log_configuration.log_group_kms_key_id
+
+  tags = merge(var.tags, var.ecs_cluster.configuration.log_configuration.log_group_tags)
+}
+
+
+########################################################################
+# ECS Cluster
+########################################################################
 resource "aws_ecs_cluster" "this" {
-  count = var.create ? 1 : 0
 
-  name = var.ecs_cluster.cluster_name
+  name = var.ecs_cluster.name
 
   dynamic "configuration" {
-    for_each = var.ecs_cluster.create_cloudwatch_log_group ? [var.ecs_cluster.cluster_configuration] : []
+    for_each = var.ecs_cluster.configuration != null ? { "default" = var.ecs_cluster.configuration } : {}
 
     content {
       dynamic "execute_command_configuration" {
@@ -29,7 +46,7 @@ resource "aws_ecs_cluster" "this" {
           logging    = length(execute_command_configuration.value.logging) > 0 ? execute_command_configuration.value.logging : "DEFAULT"
 
           dynamic "log_configuration" {
-            for_each = length(execute_command_configuration.value.log_configuration) > 0 ? [execute_command_configuration.value.log_configuration] : []
+            for_each = var.ecs_cluster.create_cloudwatch_log_group && length(execute_command_configuration.value.log_configuration) > 0 ? [execute_command_configuration.value.log_configuration] : []
 
             content {
               cloud_watch_encryption_enabled = log_configuration.value.cloud_watch_encryption_enabled
@@ -44,50 +61,34 @@ resource "aws_ecs_cluster" "this" {
     }
   }
 
-
   dynamic "service_connect_defaults" {
-    for_each = length(var.ecs_cluster.cluster_service_connect_defaults) > 0 ? [var.ecs_cluster.cluster.cluster_service_connect_defaults] : []
+    for_each = length(var.ecs_cluster.service_connect_defaults) > 0 ? [var.ecs_cluster.cluster.service_connect_defaults] : []
 
     content {
       namespace = service_connect_defaults.value.namespace
     }
   }
 
-
   dynamic "setting" {
-    for_each = flatten([var.ecs_cluster.cluster_settings])
+    for_each = flatten([var.ecs_cluster.settings])
 
     content {
       name  = setting.value.name
       value = setting.value.value
     }
   }
 
-  tags = var.tags
-}
-
-
-########################################################################
-# CloudWatch Log Group
-########################################################################
-resource "aws_cloudwatch_log_group" "this" {
-  count = var.create && var.ecs_cluster.create_cloudwatch_log_group ? 1 : 0
-
-  name = var.cloudwatch.log_group_name != null ? var.cloudwatch.log_group_name : "/aws/ecs/${var.ecs_cluster.cluster_name}"
+  tags = merge(var.tags, var.ecs_cluster.tags)
 
-  retention_in_days = var.cloudwatch.log_group_retention_in_days
-  kms_key_id        = var.cloudwatch.log_group_kms_key_id
-
-  tags = merge(var.tags, var.cloudwatch.log_group_tags)
+  depends_on = [ aws_cloudwatch_log_group.this ]
 }
 
-
 ################################################################################
 # ECS Capacity Provider - EC2
 ################################################################################
 
 resource "aws_ecs_capacity_provider" "this" {
-  for_each = var.create ? var.capacity_provider.autoscaling_capacity_providers : {}
+  for_each = var.capacity_provider.autoscaling_capacity_providers != null ? var.capacity_provider.autoscaling_capacity_providers : {}
 
   name = each.value.name != "" ? each.value.name : each.key
 
@@ -127,9 +128,9 @@ locals {
 }
 
 resource "aws_ecs_cluster_capacity_providers" "this" {
-  count = var.create && length(merge(var.capacity_provider.fargate_capacity_providers, var.capacity_provider.autoscaling_capacity_providers)) > 0 ? 1 : 0
+  count = length(merge(var.capacity_provider.fargate_capacity_providers, var.capacity_provider.autoscaling_capacity_providers)) > 0 ? 1 : 0
 
-  cluster_name = var.ecs_cluster.cluster_name
+  cluster_name = var.ecs_cluster.name
 
   capacity_providers = distinct(concat(
     [for k, v in var.capacity_provider.fargate_capacity_providers : try(v.name, k)],
@@ -142,10 +143,9 @@ resource "aws_ecs_cluster_capacity_providers" "this" {
 
     content {
       capacity_provider = strategy.value.name
-      base              = lookup(strategy.value, "base", null) # Adjusted lookup
+      base              = lookup(strategy.value, "base", null)
       weight            = lookup(strategy.value, "weight", null)
     }
   }
-
   depends_on = [aws_ecs_capacity_provider.this]
 }

modules/ecs-cluster/main.tf

@@ -1,7 +1,6 @@
-output "ecs_cluster_id" {
-  value = aws_ecs_cluster.this.id
-}
-
-output "ecs_cluster_name" {
-  value = aws_ecs_cluster.this.name
-}
+output "ecs_cluster" {
+  value = {
+    name = aws_ecs_cluster.this.name
+    id   = aws_ecs_cluster.this.id
+  }
+}