From 911b2a4ba08e59f46a53b5252a044a5853796f78 Mon Sep 17 00:00:00 2001
From: Alex Schofield <git@ajschof.me>
Date: Wed, 14 Aug 2024 16:38:36 +0100
Subject: test(tf): attempt to solve ResourceConflictException

---
 terraform/lambda.tf | 109 +++++++++++++++++++++++++---------------------------
 1 file changed, 52 insertions(+), 57 deletions(-)

(limited to 'terraform/lambda.tf')

diff --git a/terraform/lambda.tf b/terraform/lambda.tf
index a5da972..fb0a666 100644
--- a/terraform/lambda.tf
+++ b/terraform/lambda.tf
@@ -1,73 +1,68 @@
-### EXTRACT LAMBDA SET UP
-data "archive_file" "extract_lambda_zip" {
-  type        = "zip"
-  source_file = "${path.module}/../src/extract_lambda.py"
-  output_path = "${path.module}/../extract_function.zip"
+# Extract Lambda Function
+resource "aws_s3_object" "extract_lambda_code" {
+  bucket = aws_s3_bucket.lambda_code_bucket.bucket
+  key    = "${var.extract_lambda_name}/extract_function.zip"
+  source = "${path.module}/../extract_function.zip"
+  etag   = filemd5("${path.module}/../extract_function.zip")
 }
 
 resource "aws_lambda_function" "extract_lambda" {
-    function_name = "${var.extract_lambda_name}"
-    s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
-    s3_key = "extract-lambda/extract_function.zip"
-    role = aws_iam_role.multi_service_role.arn #<< lambda role placehodler
-    handler = "extract_lambda.lambda_handler" # << check that the function is called lambda handler
-    runtime = "python3.11"
-    environment {
-        variables = {
-            output = aws_s3_bucket.extract_bucket.bucket
-        }
-    }
-}
+  function_name = var.extract_lambda_name
+  s3_bucket     = aws_s3_bucket.lambda_code_bucket.bucket
+  s3_key        = aws_s3_object.extract_lambda_code.key
+  role          = aws_iam_role.multi_service_role.arn
+  handler       = "extract_lambda.extract"
+  runtime       = "python3.11"
 
-resource "aws_lambda_permission" "allow_to_write_to_s3_extract_bucket" {
-  action = "lambda:InvokeFunction"
-  function_name = aws_lambda_function.extract_lambda.function_name
-  principal = "s3.amazonaws.com"
-  source_arn = aws_s3_bucket.extract_bucket.arn
-}
+  lifecycle {
+    create_before_destroy = true
+  }
 
+  depends_on = [aws_s3_object.extract_lambda_code]
+}
 
-### TRANSFORM LAMBDA SET UP
-data "archive_file" "transform_lambda_zip" {
-  type        = "zip"
-  source_file = "${path.module}/../src/transform_lambda.py"
-  output_path = "${path.module}/../transform_function.zip"
+# Transform Lambda Function
+resource "aws_s3_object" "transform_lambda_code" {
+  bucket = aws_s3_bucket.lambda_code_bucket.bucket
+  key    = "${var.transform_lambda_name}/transform_function.zip"
+  source = "${path.module}/../transform_function.zip"
+  etag   = filemd5("${path.module}/../transform_function.zip")
 }
 
 resource "aws_lambda_function" "transform_lambda" {
-    function_name = "${var.transform_lambda_name}"
-    s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
-    s3_key = "transform-lambda/transform_function.zip"
-    role = aws_iam_role.multi_service_role.arn # << lambda role placehodler
-    handler = "transform_lambda.lambda_handler" # << check that the function is called lambda handler
-    runtime = "python3.11"
-    environment {
-        variables = {
-            output = aws_s3_bucket.transform_bucket.bucket
-        }
-    }
-}
+  function_name = var.transform_lambda_name
+  s3_bucket     = aws_s3_bucket.lambda_code_bucket.bucket
+  s3_key        = aws_s3_object.transform_lambda_code.key
+  role          = aws_iam_role.multi_service_role.arn
+  handler       = "transform_lambda.transform"
+  runtime       = "python3.11"
 
-resource "aws_lambda_permission" "allow_to_write_to_s3_transform_bucket" {
-  action = "lambda:InvokeFunction"
-  function_name = aws_lambda_function.transform_lambda.function_name
-  principal = "s3.amazonaws.com"
-  source_arn = aws_s3_bucket.transform_bucket.arn
+  lifecycle {
+    create_before_destroy = true
+  }
+
+  depends_on = [aws_s3_object.transform_lambda_code]
 }
 
-### LOAD LAMBDA SET UP
-data "archive_file" "load_lambda_zip" {
-  type        = "zip"
-  source_file = "${path.module}/../src/load_lambda.py"
-  output_path = "${path.module}/../load_function.zip"
+# Load Lambda Function
+resource "aws_s3_object" "load_lambda_code" {
+  bucket = aws_s3_bucket.lambda_code_bucket.bucket
+  key    = "${var.load_lambda_name}/load_function.zip"
+  source = "${path.module}/../load_function.zip"
+  etag   = filemd5("${path.module}/../load_function.zip")
 }
 
 resource "aws_lambda_function" "load_lambda" {
-    function_name = "${var.load_lambda_name}"
-    s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
-    s3_key = "load-lambda/load_function.zip"
-    role = aws_iam_role.multi_service_role.arn # << lambda role placehodler
-    handler = "load_lambda.lambda_handler" # << check that the function is called lambda handler
-    runtime = "python3.11"
-}
+  function_name = var.load_lambda_name
+  s3_bucket     = aws_s3_bucket.lambda_code_bucket.bucket
+  s3_key        = aws_s3_object.load_lambda_code.key
+  role          = aws_iam_role.multi_service_role.arn
+  handler       = "load_lambda.load"
+  runtime       = "python3.11"
 
+  lifecycle {
+    create_before_destroy = true
+  }
+
+  depends_on = [aws_s3_object.load_lambda_code]
+}
-- 
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