CCM-8574: rework layer build

Author: harrim91

infrastructure/terraform/components/app/pre.sh

@@ -4,4 +4,4 @@ npm ci
 
 npm run generate-dependencies --workspaces --if-present
 
-$root_dir/lambdas/layers/pdfjs/package.sh
+$root_dir/lambdas/layers/pdfjs/build.sh

infrastructure/terraform/components/sandbox/pre.sh

@@ -4,4 +4,4 @@ if [ -z "$SKIP_SANDBOX_INSTALL" ]; then npm ci; fi
 
 npm run generate-dependencies --workspaces --if-present
 
-$root_dir/lambdas/layers/pdfjs/package.sh
+$root_dir/lambdas/layers/pdfjs/build.sh

infrastructure/terraform/modules/backend-api/README.md

@@ -37,6 +37,7 @@ No requirements.
 | <a name="module_get_template_lambda"></a> [get\_template\_lambda](#module\_get\_template\_lambda) | ../lambda-function | n/a |
 | <a name="module_lambda_copy_scanned_object_to_internal"></a> [lambda\_copy\_scanned\_object\_to\_internal](#module\_lambda\_copy\_scanned\_object\_to\_internal) | ../lambda-function | n/a |
 | <a name="module_lambda_delete_failed_scanned_object"></a> [lambda\_delete\_failed\_scanned\_object](#module\_lambda\_delete\_failed\_scanned\_object) | ../lambda-function | n/a |
+| <a name="module_lambda_layer_pdfjs"></a> [lambda\_layer\_pdfjs](#module\_lambda\_layer\_pdfjs) | ../lambda_layer | n/a |
 | <a name="module_lambda_set_file_virus_scan_status"></a> [lambda\_set\_file\_virus\_scan\_status](#module\_lambda\_set\_file\_virus\_scan\_status) | ../lambda-function | n/a |
 | <a name="module_lambda_validate_letter_template_files"></a> [lambda\_validate\_letter\_template\_files](#module\_lambda\_validate\_letter\_template\_files) | ../lambda-function | n/a |
 | <a name="module_list_template_lambda"></a> [list\_template\_lambda](#module\_list\_template\_lambda) | ../lambda-function | n/a |

infrastructure/terraform/modules/backend-api/lambda_layer_version_pdfjs.tf

@@ -3,7 +3,7 @@ locals {
 
   monorepo_root           = abspath("${path.module}/../../../..")
   lambdas_source_code_dir = abspath("${local.monorepo_root}/lambdas")
-  pdfjs_layer_filepath    = abspath("${local.lambdas_source_code_dir}/layers/pdfjs/dist/layer.zip")
+  pdfjs_layer_dir         = abspath("${local.lambdas_source_code_dir}/layers/pdfjs")
 
   openapi_spec = templatefile("${path.module}/spec.tmpl.json", {
     AWS_REGION               = var.region

infrastructure/terraform/modules/backend-api/locals.tf

@@ -0,0 +1,8 @@
+module "lambda_layer_pdfjs" {
+  source                 = "../lambda_layer"
+  name                   = "${local.csi}-nodejs20-pdfjs-dist"
+  description            = "pdfjs-dist dependencies for nodejs20.x"
+  layer_dir              = local.pdfjs_layer_dir
+  source_dir             = "dist/layer"
+  nodejs_runtime_version = "20"
+}

infrastructure/terraform/modules/backend-api/module_lambda_layer_pdfjs.tf

@@ -7,7 +7,7 @@ module "lambda_validate_letter_template_files" {
   filename                       = module.build_template_lambda.zips[local.backend_lambda_entrypoints.validate_letter_template_files].path
   function_name                  = "${local.csi}-validate-letter-template-files"
   handler                        = "validate-letter-template-files.handler"
-  layer_arns                     = [aws_lambda_layer_version.pdfjs.arn]
+  layer_arns                     = [module.lambda_layer_pdfjs.layer_arn]
   log_retention_in_days          = var.log_retention_in_days
   memory_size                    = 1024
   source_code_hash               = module.build_template_lambda.zips[local.backend_lambda_entrypoints.validate_letter_template_files].base64sha256

infrastructure/terraform/modules/backend-api/module_lambda_validate_letter_template_files.tf

@@ -0,0 +1,28 @@
+<!-- BEGIN_TF_DOCS -->
+<!-- markdownlint-disable -->
+<!-- vale off -->
+
+## Requirements
+
+No requirements.
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_description"></a> [description](#input\_description) | Description of what your Lambda Layer does | `string` | n/a | yes |
+| <a name="input_layer_dir"></a> [layer\_dir](#input\_layer\_dir) | Path to the root directory of the layer code | `string` | n/a | yes |
+| <a name="input_name"></a> [name](#input\_name) | Unique name for your Lambda Layer | `string` | n/a | yes |
+| <a name="input_nodejs_runtime_version"></a> [nodejs\_runtime\_version](#input\_nodejs\_runtime\_version) | Node.js runtime version | `string` | `"20"` | no |
+| <a name="input_output_dir"></a> [output\_dir](#input\_output\_dir) | Name of the output directory (relative to layer\_dir) | `string` | `"dist"` | no |
+| <a name="input_source_dir"></a> [source\_dir](#input\_source\_dir) | Name of the source code directory (relative to layer\_dir) | `string` | n/a | yes |
+## Modules
+
+No modules.
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_layer_arn"></a> [layer\_arn](#output\_layer\_arn) | n/a |
+<!-- vale on -->
+<!-- markdownlint-enable -->
+<!-- END_TF_DOCS -->

infrastructure/terraform/modules/lambda_layer/README.md

@@ -0,0 +1,5 @@
+data "archive_file" "zip" {
+  type        = "zip"
+  output_path = "${var.layer_dir}/${var.output_dir}/layer.zip"
+  source_dir  = "${var.layer_dir}/${var.source_dir}"
+}

infrastructure/terraform/modules/lambda_layer/data_archive_file_zip.tf

@@ -0,0 +1,7 @@
+resource "aws_lambda_layer_version" "lambda_layer" {
+  layer_name          = var.name
+  description         = var.description
+  filename            = data.archive_file.zip.output_path
+  source_code_hash    = data.archive_file.zip.output_base64sha256
+  compatible_runtimes = ["nodejs${var.nodejs_runtime_version}.x"]
+}