From 34a5c09965e3358b4d290fb4a1e6e5150f6ff642 Mon Sep 17 00:00:00 2001
From: Carlos Vega Meyer <carlosvega09@gmail.com>
Date: Mon, 2 Jul 2018 16:12:49 -0300
Subject: [PATCH] Adds default_security_groups boolean variable

---
 main.tf      | 2 +-
 variables.tf | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/main.tf b/main.tf
index c94f227..ff9245e 100644
--- a/main.tf
+++ b/main.tf
@@ -13,7 +13,7 @@ resource "aws_instance" "data_node" {
     key_name                    = "${var.key_name}"
     user_data                   = "${var.user_data == "" ? file("${path.module}/files/init.sh") : var.user_data }"
     ebs_optimized               = true
-    vpc_security_group_ids      = ["${concat(list(aws_security_group.influx_cluster.id, aws_security_group.data_node.id), var.security_groups)}"]
+    vpc_security_group_ids      = ["${var.default_security_groups == true ? concat(list(aws_security_group.influx_cluster.id, aws_security_group.data_node.id), var.security_groups) : var.security_groups}"]
     count                       = "${var.data_instances}"
 }
 
diff --git a/variables.tf b/variables.tf
index be3fa89..82a0759 100644
--- a/variables.tf
+++ b/variables.tf
@@ -56,6 +56,11 @@ variable "security_groups" {
     default     = []
 }
 
+variable "default_security_groups" {
+    description = "Whether default security groups should be applied"
+    default     = true
+}
+
 variable "user_data" {
     description = "User data script for all instances"
     default     = ""