Initial commit

Author: mewa

.gitignore

@@ -0,0 +1 @@
+*~

main.tf

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+resource "aws_api_gateway_method" "cors_method" {
+  rest_api_id   = "${var.api}"
+  resource_id   = "${var.resource}"
+  http_method   = "OPTIONS"
+  authorization = "NONE"
+}
+
+resource "aws_api_gateway_integration" "cors_integration" {
+  rest_api_id = "${var.api}"
+  resource_id = "${var.resource}"
+  http_method = "${aws_api_gateway_method.cors_method.http_method}"
+  type                    = "MOCK"
+  request_templates {
+"application/json" = <<EOF
+{ "statusCode": 200 }
+EOF
+  }
+}
+
+resource "aws_api_gateway_method_response" "cors_method_response" {
+  rest_api_id = "${var.api}"
+  resource_id = "${var.resource}"
+  http_method = "${aws_api_gateway_method.cors_method.http_method}"
+
+  status_code = "200"
+
+  response_models {
+    "application/json" = "Empty"
+  }
+
+  response_parameters {
+    "method.response.header.Access-Control-Allow-Headers" = true,
+    "method.response.header.Access-Control-Allow-Methods" = true,
+    "method.response.header.Access-Control-Allow-Origin" = true
+  }
+}
+
+resource "aws_api_gateway_integration_response" "cors_integration_response" {
+  rest_api_id = "${var.api}"
+  resource_id = "${aws_api_gateway_method.cors_method.resource_id}"
+  http_method = "${aws_api_gateway_method.cors_method.http_method}"
+
+  status_code = "${aws_api_gateway_method_response.cors_method_response.status_code}"
+
+  response_parameters = {
+    "method.response.header.Access-Control-Allow-Headers" = "'${local.headers}'",
+    "method.response.header.Access-Control-Allow-Methods" = "'${local.methods}'",
+    "method.response.header.Access-Control-Allow-Origin" = "'${local.origins}'"
+  }
+}

variables.tf

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+variable "api" {}
+
+variable "resource" {}
+
+variable "methods" {
+  default = []
+}
+
+variable "origins" {
+  default = ["*"]
+}
+
+variable "headers" {
+  default = ["Content-Type", "X-Amz-Date", "Authorization", "X-Api-Key", "X-Amz-Security-Token"]
+}
+
+locals {
+  methodOptions = "OPTIONS"
+  defaultHeaders = ["Content-Type", "X-Amz-Date", "Authorization", "X-Api-Key", "X-Amz-Security-Token"]
+
+  methods = "${join(",", distinct(concat(var.methods, list(local.methodOptions))))}"
+  origins = "${join(",", var.origins)}"
+  headers = "${join(",", distinct(concat(var.headers, local.defaultHeaders)))}"
+}