From 32d4f792c8b24abe02119261e756a615722711b7 Mon Sep 17 00:00:00 2001
From: kpedersen <kpedersen@pythian.com>
Date: Wed, 25 Nov 2020 14:56:59 -0500
Subject: [PATCH] adds optional max_instances input

---
 README.md    | 1 +
 main.tf      | 3 ++-
 variables.tf | 6 ++++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1381a23..78079cd 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ module "localhost_function" {
 | event\_trigger\_failure\_policy\_retry | A toggle to determine if the function should be retried on failure. | bool | `"false"` | no |
 | ingress\_settings | The ingress settings for the function | string | `"ALLOW_ALL"` | no |
 | labels | A set of key/value label pairs to assign to the Cloud Function. | map(string) | `<map>` | no |
+| max\_instances | The maximum number of parallel executions of the function. | number | `"0"` | no |
 | name | The name to apply to any nameable resources. | string | n/a | yes |
 | project\_id | The ID of the project to which resources will be applied. | string | n/a | yes |
 | region | The region in which resources will be applied. | string | n/a | yes |
diff --git a/main.tf b/main.tf
index b4c226e..9dfbf6b 100644
--- a/main.tf
+++ b/main.tf
@@ -44,7 +44,7 @@ data "null_data_source" "wait_for_files" {
 data "archive_file" "main" {
   type        = "zip"
   output_path = pathexpand("${var.source_directory}.zip")
-  source_dir  = "${data.null_data_source.wait_for_files.outputs["source_dir"]}"
+  source_dir  = data.null_data_source.wait_for_files.outputs["source_dir"]
 }
 
 resource "google_storage_bucket" "main" {
@@ -71,6 +71,7 @@ resource "google_cloudfunctions_function" "main" {
   name                = var.name
   description         = var.description
   available_memory_mb = var.available_memory_mb
+  max_instances       = var.max_instances
   timeout             = var.timeout_s
   entry_point         = var.entry_point
   ingress_settings    = var.ingress_settings
diff --git a/variables.tf b/variables.tf
index 86333d4..118b39d 100644
--- a/variables.tf
+++ b/variables.tf
@@ -88,6 +88,12 @@ variable "timeout_s" {
   description = "The amount of time in seconds allotted for the execution of the function."
 }
 
+variable "max_instances" {
+  type        = number
+  default     = 0
+  description = "The maximum number of parallel executions of the function."
+}
+
 variable "bucket_labels" {
   type        = map(string)
   default     = {}