fix: set optional max_instances to default null

Author: apeabody

examples/automatic-labelling-folder/main.tf

@@ -50,6 +50,7 @@ module "localhost_function" {
   region           = var.region
   source_directory = "${path.module}/function_source"
   runtime          = "nodejs10"
+  max_instances    = 3000
 }
 
 resource "null_resource" "wait_for_function" {

examples/automatic-labelling-from-localhost/main.tf

@@ -42,6 +42,7 @@ module "localhost_function" {
   region           = var.region
   source_directory = "${path.module}/function_source"
   runtime          = "nodejs10"
+  max_instances    = 3000
 }
 
 resource "null_resource" "wait_for_function" {

examples/delete-vms-without-cmek/main.tf

@@ -52,4 +52,5 @@ module "localhost_function" {
   project_id       = var.project_id
   region           = var.region
   source_directory = "${path.module}/function_source"
+  max_instances    = 3000
 }

examples/dynamic-files/main.tf

@@ -97,6 +97,7 @@ module "localhost_function" {
   region           = var.region
   source_directory = "${path.module}/function_source"
   runtime          = "nodejs10"
+  max_instances    = 3000
 
   source_dependent_files = [local_file.file]
   depends_on             = [google_secret_manager_secret_version.secret_key_version]

modules/repository-function/README.md

@@ -26,6 +26,7 @@ is a tested reference of how to use this submodule with the
 | 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. Allowed values are ALLOW\_ALL, ALLOW\_INTERNAL\_AND\_GCLB and ALLOW\_INTERNAL\_ONLY. Changes to this field will recreate the cloud function. | `string` | `"ALLOW_ALL"` | no |
 | labels | A set of key/value label pairs to assign to any lableable resources. | `map(string)` | `{}` | no |
+| max\_instances | The maximum number of parallel executions of the function. | `number` | `3000` | 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 |

modules/repository-function/main.tf

@@ -18,6 +18,7 @@ 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

modules/repository-function/variables.tf

@@ -127,3 +127,8 @@ variable "timeouts" {
   }
 }
 
+variable "max_instances" {
+  type        = number
+  default     = 3000
+  description = "The maximum number of parallel executions of the function."
+}

test/setup/versions.tf

@@ -15,13 +15,16 @@
  */
 
 terraform {
-  required_version = ">= 0.12"
-}
-
-provider "google" {
-  version = ">= 3.53.0, < 5.0"
-}
+  required_version = ">= 0.13"
+  required_providers {
 
-provider "google-beta" {
-  version = ">= 3.53.0, < 5.0"
+    google = {
+      source  = "hashicorp/google"
+      version = ">= 3.53.0, < 5.0"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = ">= 3.53.0, < 5.0"
+    }
+  }
 }