From 9f4f0542bfea629869d74bf6d42a7fa45e729389 Mon Sep 17 00:00:00 2001
From: Yohan Belval <yohan.belval@gsoft.com>
Date: Wed, 30 Oct 2019 14:12:52 -0400
Subject: [PATCH] added nb_instances to produce multiple names with index.

---
 main.tf      | 11 +++++++++++
 outputs.tf   |  7 ++++++-
 variables.tf |  4 ++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/main.tf b/main.tf
index 0f9fa75..55c8677 100644
--- a/main.tf
+++ b/main.tf
@@ -3,3 +3,14 @@ locals {
   suffix         = "${join(var.separator, var.suffixes)}"
   separated_name = "${var.separator}${var.name}${var.separator}"
 }
+
+data "null_data_source" "names" {
+  count = var.nb_instances
+  inputs = {
+    result = var.nb_instances > 1 ? substr("${local.prefix}${local.separated_name}${count.index}${var.separator}${local.suffix}", 0, var.max_length) : substr("${local.prefix}${var.separator}${var.name}${var.separator}${local.suffix}", 0, var.max_length)
+  }
+}
+
+locals {
+  results = data.null_data_source.names.*.outputs.result
+}
diff --git a/outputs.tf b/outputs.tf
index 6779956..f5b34f7 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -1,4 +1,9 @@
 output "result" {
   description = "The generated resource name."
-  value       = substr("${local.prefix}${local.separated_name}${local.suffix}", 0, var.max_length)
+  value = local.results[0]
+}
+
+output "results" {
+  description = "The generated resource names."
+  value = local.results
 }
diff --git a/variables.tf b/variables.tf
index 0cbb6d9..b69b742 100644
--- a/variables.tf
+++ b/variables.tf
@@ -3,6 +3,10 @@ variable "name" {
   type        = string
 }
 
+variable "nb_instances" {
+  default = 1
+}
+
 variable "prefixes" {
   description = "List of prefixes to append in front of the resource name."
   type        = list(string)