From 479b1568c19a3c5c1fb0cf489905327c501e5270 Mon Sep 17 00:00:00 2001
From: luujaiyn <luujaiyn@gmail.com>
Date: Thu, 22 May 2025 14:00:19 +0900
Subject: [PATCH 1/2] Create main.tf

---
 monitor/main.tf | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 monitor/main.tf

diff --git a/monitor/main.tf b/monitor/main.tf
new file mode 100644
index 0000000..7ddb750
--- /dev/null
+++ b/monitor/main.tf
@@ -0,0 +1,87 @@
+provider "aws" {
+  region = "ap-northeast-2"
+  access_key = "접근 키"
+  secret_key = "비밀 키" 
+}
+
+# 현재 AWS 계정 ID
+data "aws_caller_identity" "current" {}
+
+# CloudWatch 로그 그룹
+resource "aws_cloudwatch_log_group" "cloudtrail_logs" {
+  name = "cloudtrail-log-group"
+}
+
+# IAM Role for CloudTrail → CloudWatch
+
+resource "aws_iam_role" "cloudtrail_role" {
+  name = "cloudtrail-to-cloudwatch-role"
+
+  assume_role_policy = jsonencode({
+    Version = "2012-10-17",
+    Statement = [
+      {
+        Effect = "Allow",
+        Principal = {
+          Service = "cloudtrail.amazonaws.com"
+        },
+        Action = "sts:AssumeRole"
+      }
+    ]
+  })
+
+  inline_policy {
+    name = "cloudwatch-logs-permission"
+
+    policy = jsonencode({
+      Version = "2012-10-17",
+      Statement = [
+        {
+          Effect = "Allow",
+          Action = [
+            "logs:CreateLogStream",
+            "logs:PutLogEvents"
+          ],
+          Resource = "${aws_cloudwatch_log_group.cloudtrail_logs.arn}:*"
+        }
+      ]
+    })
+  }
+}
+
+# IAM Policy attach
+resource "aws_iam_role_policy_attachment" "cloudtrail_logs" {
+  role       = aws_iam_role.cloudtrail_role.name
+  policy_arn = "arn:aws:iam::aws:policy/AWSCloudTrail_FullAccess"
+}
+
+# CloudTrail 로그 저장용 S3 버킷
+resource "aws_s3_bucket" "trail_bucket" {
+  bucket         = "my-cloudtrail-logs-thswn-unique-2025"  # 고유하게 유지
+  force_destroy  = true
+}
+
+# 로컬 변수: 외부 JSON 템플릿을 동적으로 읽기
+locals {
+  bucket_policy = templatefile("${path.module}/bucket-policy.json.tpl", {
+    bucket_name = aws_s3_bucket.trail_bucket.bucket
+    account_id  = data.aws_caller_identity.current.account_id
+  })
+}
+
+# S3 Bucket Policy 적용
+resource "aws_s3_bucket_policy" "trail_policy" {
+  bucket = aws_s3_bucket.trail_bucket.id
+  policy = local.bucket_policy
+}
+
+# CloudTrail 생성
+resource "aws_cloudtrail" "my_trail" {
+  name                          = "my-cloudtrail"
+  s3_bucket_name                = aws_s3_bucket.trail_bucket.id
+  include_global_service_events = true
+  is_multi_region_trail         = true
+  enable_log_file_validation    = true
+  cloud_watch_logs_role_arn     = aws_iam_role.cloudtrail_role.arn
+  cloud_watch_logs_group_arn    = "${aws_cloudwatch_log_group.cloudtrail_logs.arn}:*"
+}

From 73cd4bf3c5a033e9b109db4a06b74cd56f3a60b3 Mon Sep 17 00:00:00 2001
From: maybSubin <129381949+maybSubin@users.noreply.github.com>
Date: Tue, 27 May 2025 22:26:26 +0900
Subject: [PATCH 2/2] Create infracost_test.tf

---
 infracost_test.tf | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 infracost_test.tf

diff --git a/infracost_test.tf b/infracost_test.tf
new file mode 100644
index 0000000..4a757b3
--- /dev/null
+++ b/infracost_test.tf
@@ -0,0 +1,35 @@
+provider "aws" {
+  region = "us-east-1"
+  skip_credentials_validation = true
+  skip_requesting_account_id = true
+  access_key = "mock_access_key"
+  secret_key = "mock_secret_key"
+}
+
+resource "aws_instance" "my_web_app" {
+  ami = "ami-005e54dee72cc1d00"
+
+  instance_type = "m3.xlarge" # <<<<<<<<<< Try changing this to m5.xlarge to compare the costs
+
+  tags = {
+    Environment = "production"
+    Service = "web-app"
+  }
+
+  root_block_device {
+    volume_size = 1000 # <<<<<<<<<< Try adding volume_type="gp3" to compare costs
+  }
+}
+
+resource "aws_lambda_function" "my_hello_world" {
+  runtime = "nodejs12.x"
+  handler = "exports.test"
+  image_uri = "test"
+  function_name = "test"
+  role = "arn:aws:ec2:us-east-1:123123123123:instance/i-1231231231"
+
+  memory_size = 512
+  tags = {
+    Environment = "Prod"
+  }
+}