From b81c9270c376b6393759aa8c77ffd0bc3e5be32b Mon Sep 17 00:00:00 2001
From: thanhz <tri.lam21@outlook.com>
Date: Tue, 12 Sep 2023 15:38:01 +0100
Subject: [PATCH 1/2] create api gateway resource

---
 terraform/root_main.tf                        | 15 +++++
 .../api_gateway/reference_generator.json.tpl  | 56 +++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 terraform/templates/api_gateway/reference_generator.json.tpl

diff --git a/terraform/root_main.tf b/terraform/root_main.tf
index f902cf0..feea38a 100644
--- a/terraform/root_main.tf
+++ b/terraform/root_main.tf
@@ -48,4 +48,19 @@ module "reference_generator_lambda" {
   timeout_seconds = 60
   memory_size     = 1024
   tags            = local.hosting_common_tags
+  lambda_invoke_permissions = {
+    "apigateway.amazonaws.com" = "${module.reference_generator_api_gateway.api_execution_arn}/*/GET/counter"
+  }
+}
+
+module "reference_generator_api_gateway" {
+  source = "./da-terraform-modules/apigateway"
+  api_definition = templatefile("./templates/api_gateway/reference_generator.json.tpl", {
+    environment = local.hosting_environment
+    title       = "${upper(var.project)}ReferenceGenerator"
+    lambda_arn  = module.reference_generator_lambda.lambda_arn,
+  })
+  api_name    = "${upper(var.project)}ReferenceGenerator"
+  environment = local.hosting_environment
+  common_tags = local.hosting_common_tags
 }
diff --git a/terraform/templates/api_gateway/reference_generator.json.tpl b/terraform/templates/api_gateway/reference_generator.json.tpl
new file mode 100644
index 0000000..666c7d8
--- /dev/null
+++ b/terraform/templates/api_gateway/reference_generator.json.tpl
@@ -0,0 +1,56 @@
+{
+  "swagger" : "2.0",
+  "info" : {
+    "description" : "API Gateway for Reference Generator",
+    "version" : "2023-09-11T11:10:51Z",
+    "title" : "${title}"
+  },
+  "basePath" : "/${environment}",
+  "schemes" : [ "https" ],
+  "paths" : {
+    "/counter" : {
+      "get" : {
+        "produces" : [ "application/json" ],
+        "parameters" : [ {
+          "name" : "numberofrefs",
+          "in" : "query",
+          "required" : true,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "200 response",
+            "schema" : {
+              "$ref" : "#/definitions/Empty"
+            }
+          }
+        },
+        "x-amazon-apigateway-request-validator" : "Validate query string parameters and headers",
+        "x-amazon-apigateway-integration" : {
+          "type" : "aws_proxy",
+          "httpMethod" : "POST",
+          "uri" : "arn:aws:apigateway:eu-west-2:lambda:path/2015-03-31/functions/${lambda_arn}/invocations",
+          "responses" : {
+            "default" : {
+              "statusCode" : "200"
+            }
+          },
+          "passthroughBehavior" : "when_no_match",
+          "contentHandling" : "CONVERT_TO_TEXT"
+        }
+      }
+    }
+  },
+  "definitions" : {
+    "Empty" : {
+      "type" : "object",
+      "title" : "Empty Schema"
+    }
+  },
+  "x-amazon-apigateway-request-validators" : {
+    "Validate query string parameters and headers" : {
+      "validateRequestParameters" : true,
+      "validateRequestBody" : false
+    }
+  }
+}

From 977de8ed4a8c1b491154fdc40593735dd61af9f6 Mon Sep 17 00:00:00 2001
From: thanhz <tri.lam21@outlook.com>
Date: Wed, 13 Sep 2023 10:27:57 +0100
Subject: [PATCH 2/2] pr comments

---
 terraform/root_locals.tf | 7 ++++---
 terraform/root_main.tf   | 4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/terraform/root_locals.tf b/terraform/root_locals.tf
index de32d90..896f834 100644
--- a/terraform/root_locals.tf
+++ b/terraform/root_locals.tf
@@ -11,7 +11,8 @@ locals {
       "Role"            = "prvt"
     }
   )
-  dynamodb_hash_key                 = "v1"
-  reference_generator_function_name = "${var.project}-reference-generator-${local.hosting_environment}"
-  reference_counter_table_name      = "${var.project}-reference-counter"
+  dynamodb_hash_key                    = "v1"
+  reference_generator_function_name    = "${var.project}-reference-generator-${local.hosting_environment}"
+  reference_generator_api_gateway_name = "${upper(var.project)}ReferenceGenerator${local.hosting_environment}"
+  reference_counter_table_name         = "${var.project}-reference-counter"
 }
diff --git a/terraform/root_main.tf b/terraform/root_main.tf
index feea38a..41760c9 100644
--- a/terraform/root_main.tf
+++ b/terraform/root_main.tf
@@ -57,10 +57,10 @@ module "reference_generator_api_gateway" {
   source = "./da-terraform-modules/apigateway"
   api_definition = templatefile("./templates/api_gateway/reference_generator.json.tpl", {
     environment = local.hosting_environment
-    title       = "${upper(var.project)}ReferenceGenerator"
+    title       = local.reference_generator_api_gateway_name
     lambda_arn  = module.reference_generator_lambda.lambda_arn,
   })
-  api_name    = "${upper(var.project)}ReferenceGenerator"
+  api_name    = local.reference_generator_api_gateway_name
   environment = local.hosting_environment
   common_tags = local.hosting_common_tags
 }