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####################
# Common Variables #
####################
locals {
layer_dir = "../"
layer_zip = "layer.zip"
layer_name = "lambda_layer"
script_dir = "../scripts"
layer_zip_path = "${local.layer_dir}/${local.layer_zip}"
}
######################
# Lambda Layer Setup #
######################
resource "null_resource" "prepare_layer" {
# New change: only run the script if the layer zip does not exist
triggers = {
layer_zip_exists = fileexists(local.layer_zip_path) ? "exists" : "not_exists"
}
provisioner "local-exec" {
command = "if [ ! -f ${local.layer_zip_path} ]; then bash ${local.script_dir}/make_layer_zip.sh; fi"
}
}
resource "aws_s3_object" "lambda_layer_zip" {
bucket = aws_s3_bucket.lambda_code_bucket.id #bucket instead of id
key = "${local.layer_name}/${local.layer_zip}"
source = "${local.layer_dir}/${local.layer_zip}"
depends_on = [null_resource.prepare_layer]
etag = fileexists(local.layer_zip_path) ? filemd5(local.layer_zip_path) : null
}
resource "aws_lambda_layer_version" "lambda_layer" {
layer_name = local.layer_name
compatible_runtimes = ["python3.11"]
s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
s3_key = aws_s3_object.lambda_layer_zip.key
source_code_hash = fileexists(local.layer_zip_path) ? filebase64sha256(local.layer_zip_path) : null
skip_destroy = true
depends_on = [aws_s3_object.lambda_layer_zip]
}
###########################
# Extract Lambda Function #
###########################
data "archive_file" "extract_lambda_zip" {
type = "zip"
source_file = "${path.module}/../src/extract_lambda.py"
output_path = "${path.module}/../extract_function.zip"
}
resource "aws_s3_object" "extract_lambda_code" {
bucket = aws_s3_bucket.lambda_code_bucket.bucket
key = "${var.extract_lambda_name}/extract_function.zip"
source = data.archive_file.extract_lambda_zip.output_path
etag = filemd5(data.archive_file.extract_lambda_zip.output_path)
}
resource "aws_lambda_function" "extract_lambda" {
function_name = var.extract_lambda_name
s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
s3_key = aws_s3_object.extract_lambda_code.key
layers = [aws_lambda_layer_version.lambda_layer.arn]
role = aws_iam_role.multi_service_role.arn
handler = "extract_lambda.lambda_handler"
runtime = "python3.11"
source_code_hash = data.archive_file.extract_lambda_zip.output_base64sha256
timeout = 180
lifecycle {
create_before_destroy = true
}
depends_on = [aws_s3_object.extract_lambda_code]
}
#############################
# Transform Lambda Function #
#############################
data "archive_file" "transform_lambda_zip" {
type = "zip"
source_file = "${path.module}/../src/transform_lambda.py"
output_path = "${path.module}/../transform_function.zip"
data "archive_file" "transform_lambda_zip" {
type = "zip"
source_dir = "../src/transform_lambda"
output_path = "../transform_lambda.zip"
}
}
resource "aws_s3_object" "transform_lambda_code" {
bucket = aws_s3_bucket.lambda_code_bucket.bucket
key = "${var.transform_lambda_name}/transform_function.zip"
source = data.archive_file.transform_lambda_zip.output_path
etag = filemd5(data.archive_file.transform_lambda_zip.output_path)
}
resource "aws_lambda_function" "transform_lambda" {
function_name = var.transform_lambda_name
s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
s3_key = aws_s3_object.transform_lambda_code.key
layers = [aws_lambda_layer_version.lambda_layer.arn]
role = aws_iam_role.multi_service_role.arn
handler = "transform_lambda.lambda_handler"
runtime = "python3.11"
source_code_hash = data.archive_file.transform_lambda_zip.output_base64sha256
timeout = 180
lifecycle {
create_before_destroy = true
}
depends_on = [aws_s3_object.transform_lambda_code]
}
########################
# Load Lambda Function #
########################
data "archive_file" "load_lambda_zip" {
type = "zip"
source_file = "${path.module}/../src/load_lambda.py"
output_path = "${path.module}/../load_function.zip"
}
resource "aws_s3_object" "load_lambda_code" {
bucket = aws_s3_bucket.lambda_code_bucket.bucket
key = "${var.load_lambda_name}/load_function.zip"
source = data.archive_file.load_lambda_zip.output_path
etag = filemd5(data.archive_file.load_lambda_zip.output_path)
}
resource "aws_lambda_function" "load_lambda" {
function_name = var.load_lambda_name
s3_bucket = aws_s3_bucket.lambda_code_bucket.bucket
s3_key = aws_s3_object.load_lambda_code.key
layers = [aws_lambda_layer_version.lambda_layer.arn]
role = aws_iam_role.multi_service_role.arn
handler = "load_lambda.lambda_handler"
runtime = "python3.11"
source_code_hash = data.archive_file.load_lambda_zip.output_base64sha256
timeout = 180
lifecycle {
create_before_destroy = true
}
depends_on = [aws_s3_object.load_lambda_code]
}
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