replacement for events.tf variable placeholders, s3 bucket notifications, lambda.tf set up (function, zip, permissions), code bucket to store zipped lambdas

1 files changed, 74 insertions, 0 deletions

diff --git a/terraform/lambda.tf b/terraform/lambda.tf
new file mode 100644
index 0000000..09d6697
--- /dev/null
+++ b/terraform/lambda.tf
@@ -0,0 +1,74 @@
+### 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"
+}
+
+resource "aws_lambda_function" "extract_lambda" {
+    function_name = "${var.extract_lambda_name}"
+    s3_bucket = aws_s3_bucket.lambda_bucket.bucket
+    s3_key = "extract_lambda/extract_function.zip"
+    role = aws_iam_role.PLACEHOLDER_extract_lambda_role.arn # << lambda role placehodler
+    handler = "extract_lambda.lambda_handler" # << check that the function is called lambda handler
+    runtime = "python3.11"
+    environment {
+        variables = {
+            output = aws_s3_bucket.extract_bucket.bucket
+        }
+    }
+}
+
+resource "aws_lambda_permission" "allow_to_write_to_s3_extract_bucket" {
+  action = "lambda:InvokeFunction"
+  function_name = aws_lambda_function.extract_lambda.function_name
+  principal = "s3.amazonaws.com"
+  source_arn = aws_s3_bucket.extract_bucket.arn
+}
+
+
+### TRANSFORM LAMBDA SET UP
+data "archive_file" "transform_lambda_zip" {
+  type        = "zip"
+  source_file = "${path.module}/../src/transform_lambda.py"
+  output_path = "${path.module}/../transform_function.zip"
+}
+
+resource "aws_lambda_function" "transform_lambda" {
+    function_name = "${var.transform_lambda_name}"
+    s3_bucket = aws_s3_bucket.lambda_bucket.bucket
+    s3_key = "transform_lambda/transform_function.zip"
+    role = aws_iam_role.PLACEHOLDER_transform_lambda_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
+        }
+    }
+}
+
+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
+}
+
+
+### 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"
+}
+
+resource "aws_lambda_function" "load_lambda" {
+    function_name = "${var.load_lambda_name}"
+    s3_bucket = aws_s3_bucket.lambda_bucket.bucket
+    s3_key = "load_lambda/load_function.zip"
+    role = aws_iam_role.PLACEHOLDER_load_lambda_role.arn # << lambda role placehodler
+    handler = "load_lambda.lambda_handler" # << check that the function is called lambda handler
+    runtime = "python3.11"
+}
+