feat: use new module to build python package archive

lambda-layers/README.md

@@ -1,42 +1,39 @@
 <!-- This readme file is generated with terraform-docs -->
-# Notice
-This layer is obsolete. A replacement will be pushed when ready.
+# lambda-layers
 
+Download python packages and create lambda layer
 
-## Prepare lambda-layer1 with the following command.
-The path is hard-required by AWS. See https://docs.aws.amazon.com/lambda/latest/dg/packaging-layers.html
-
-```bash
-pip install requests -t python/lib/python3.12/site-packages/
-```
+## Notes
+Packages need to be placed under a python/ subdirectory.
+See https://docs.aws.amazon.com/lambda/latest/dg/packaging-layers.html
 
 ## Requirements
 
 | Name | Version |
 |------|---------|
-| terraform | >= 1.3.0 |
-| aws | >= 4.40 |
+| terraform | >= 1.1.0 |
+| aws | >= 6.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| archive | 2.5.0 |
-| aws | 5.64.0 |
+| aws | 5.100.0 |
+| random | 3.8.1 |
 
 ## Modules
 
-No modules.
+| Name | Source | Version |
+|------|--------|---------|
+| lambda\_archive | ../modules/compute/LambdaZipBuilder | n/a |
+| s3 | ../modules/storage/s3_bucket_2023 | n/a |
 
 ## Resources
 
 | Name | Type |
 |------|------|
-| [aws_iam_role.lambda-role1](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource |
-| [aws_lambda_function.myFunction](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_function) | resource |
-| [aws_lambda_layer_version.libraries](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_layer_version) | resource |
-| [archive_file.function1](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |
-| [archive_file.layer1](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |
+| [aws_lambda_layer_version.pandas](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lambda_layer_version) | resource |
+| [random_uuid.this](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/uuid) | resource |
 
 ## Inputs
 

lambda-layers/function.py

@@ -1,10 +0,0 @@
-# reference: https://aws.amazon.com/premiumsupport/knowledge-center/start-stop-lambda-eventbridge/
-import requests
-
-def lambda_handler(event, context):
-    r = requests.get('https://ipinfo.io/')
-    return {
-        "HttpResponseCode": r.status_code
-    }
-
-

lambda-layers/main.tf

@@ -1,51 +1,42 @@
-resource "aws_lambda_layer_version" "libraries" {
-  description = "Python3 requests library"
-  depends_on  = [data.archive_file.layer1]
-  filename    = "lambda-layer1.zip"
-  layer_name  = "Python3RequestsLibrary"
+/**
+* # lambda-layers
+*
+* Download python packages and create lambda layer
+*
+* ## Notes
+* Packages need to be placed under a python/ subdirectory.
+* See https://docs.aws.amazon.com/lambda/latest/dg/packaging-layers.html
+ */
 
-  compatible_runtimes = ["python3.12"]
+# build python package zip file
+module "lambda_archive" {
+  source = "../modules/compute/LambdaZipBuilder"
+
+  pip_packages         = "pandas numpy pytz openpyxl"
+  upload_archive_to_s3 = true
+  s3_bucket_name       = module.s3.bucket_name
+  pip_path             = "/my/work/xpk-git/venv314/bin/pip3"
 }
 
-data "archive_file" "layer1" {
-  source_dir  = "lambda-layer1"
-  type        = "zip"
-  output_path = "lambda-layer1.zip"
+# create lambda layer
+resource "aws_lambda_layer_version" "pandas" {
+  description         = "Python packages pandas numpy pytz openpyxl"
+  s3_bucket           = module.s3.bucket_name
+  s3_key              = module.lambda_archive.s3_object_key
+  source_code_hash    = module.lambda_archive.s3_object_hash
+  layer_name          = "py_packages"
+  compatible_runtimes = ["python3.13"]
 }
 
-data "archive_file" "function1" {
-  source_file = "function.py"
-  type        = "zip"
-  output_path = "function1.zip"
+# s3 bucket required for uploading python package zip
+module "s3" {
+  source                  = "../modules/storage/s3_bucket_2023"
+  bucket_name             = "lab-lambdalayer-${random_uuid.this.result}"
+  bucket_force_destroy    = true
+  enable_bucket_logging   = false
+  enable_bucket_lifecycle = false
+  enable_versioning       = false
+  enable_encryption       = true
 }
 
-resource "aws_lambda_function" "myFunction" {
-  description      = "Lambda layer test"
-  filename         = data.archive_file.function1.output_path
-  source_code_hash = data.archive_file.function1.output_base64sha256
-  function_name    = "TestFunction"
-  role             = aws_iam_role.lambda-role1.arn
-  handler          = "function.lambda_handler"
-  runtime          = "python3.12"
-  architectures    = ["arm64"]
-  layers           = [aws_lambda_layer_version.libraries.arn]
-}
-
-resource "aws_iam_role" "lambda-role1" {
-  name = "TestFunctionRole"
-  assume_role_policy = jsonencode(
-    {
-      "Version" : "2012-10-17",
-      "Statement" : [
-        {
-          "Effect" : "Allow",
-          "Principal" : {
-            "Service" : "lambda.amazonaws.com"
-          },
-          "Action" : "sts:AssumeRole"
-        }
-      ]
-    }
-  )
-  managed_policy_arns = ["arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"]
-}
+resource "random_uuid" "this" {}

lambda-layers/provider.tf

@@ -2,18 +2,17 @@ provider "aws" {
   region = "ap-east-1"
   default_tags {
     tags = {
-      TerraformMode = "managed"
       TerraformDir = join("/", reverse(slice(reverse(split("/", path.cwd)), 0, 2)))
     }
   }
 }
 
 terraform {
-  required_version = ">= 1.3.0"
+  required_version = ">= 1.1.0"
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.40"
+      version = ">= 6.0"
     }
   }
 }