Merge pull request #27 from evanstachowiak/master

Detect VPC id automatically.
telia-oss · Nov 3, 2019 · 68b15cf · 68b15cf
2 parents 28feb8f + 3cee467
commit 68b15cf
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/main.tf b/main.tf
@@ -42,7 +42,7 @@ data "aws_iam_policy_document" "placeholder" {
 resource "aws_security_group" "main" {
   name        = "${var.name_prefix}-sg"
   description = "Terraformed security group."
-  vpc_id      = var.vpc_id
+  vpc_id      = var.vpc_id != null ? var.vpc_id : data.aws_subnet.selected.vpc_id
 
   tags = merge(
     var.tags,

diff --git a/variables.tf b/variables.tf
@@ -1,3 +1,11 @@
+# ------------------------------------------------------------------------------
+# Data
+# ------------------------------------------------------------------------------
+
+data "aws_subnet" "selected" {
+  id = var.subnet_ids[0]
+}
+
 # ------------------------------------------------------------------------------
 # Variables
 # ------------------------------------------------------------------------------
@@ -9,6 +17,7 @@ variable "name_prefix" {
 variable "vpc_id" {
   description = "The VPC ID."
   type        = string
+  default     = null
 }
 
 variable "subnet_ids" {