[COMPLIANCE] Add Copyright and License Headers

elasticache.tf

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "aws_security_group" "default" {
   name_prefix = "${var.namespace}"
   vpc_id      = "${aws_vpc.default.id}"

network.tf

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 # Create a VPC to launch our instances into
 resource "aws_vpc" "default" {
   cidr_block           = "${var.vpc_cidr_block}"

output.tf

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "configuration_endpoint_address" {
   value = "${aws_elasticache_replication_group.default.configuration_endpoint_address}"
 }

ssh.tf

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 # Get the list of official Canonical Ubuntu 16.04 AMIs
 data "aws_ami" "ubuntu-1604" {
   most_recent = true

terraform.tfvars

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 namespace = "elasticache-tutorial"
 
 cluster_id = "redis-cluster"

variables.tf

@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "vpc_cidr_block" {
   description = "The top-level CIDR block for the VPC."
   default     = "10.1.0.0/16"