feat: added notification_config block to beta submodules (#752)

* feat: added notification_config block

* fix: terraform fmt

* fix: required_providers set to 3.42.0

* fix: google-beta only

* fix: removed `enable_notification_config`

* fix: terraform fmt

Author: odise

autogen/main/cluster.tf.tmpl

@@ -306,6 +306,13 @@ resource "google_container_cluster" "primary" {
       security_group = authenticator_groups_config.value.security_group
     }
   }
+
+  notification_config {
+    pubsub {
+      enabled = var.notification_config_topic != "" ? true : false
+      topic = var.notification_config_topic
+    }
+  }
 {% endif %}
 }
 

autogen/main/variables.tf.tmpl

@@ -574,3 +574,11 @@ variable "impersonate_service_account" {
   description = "An optional service account to impersonate for gcloud commands. If this service account is not specified, the module will use Application Default Credentials."
   default     = ""
 }
+
+{% if beta_cluster %}
+variable "notification_config_topic" {
+  type = string
+  description = "The desired Pub/Sub topic to which notifications will be sent by GKE. Format is projects/{project}/topics/{topic}."
+  default = ""
+}
+{% endif %}

autogen/main/versions.tf.tmpl

@@ -19,7 +19,7 @@ terraform {
 
   required_providers {
 {% if beta_cluster %}
-    google-beta = ">= 3.32.0, <4.0.0"
+    google-beta = ">= 3.42.0, <4.0.0"
 {% else %}
     google = ">= 3.39.0, <4.0.0"
 {% endif %}

autogen/safer-cluster/main.tf.tmpl

@@ -166,4 +166,6 @@ module "gke" {
   skip_provisioners = var.skip_provisioners
 
   gce_pd_csi_driver = var.gce_pd_csi_driver
+
+  notification_config_topic = var.notification_config_topic
 }

autogen/safer-cluster/variables.tf.tmpl

@@ -369,3 +369,9 @@ variable "disable_default_snat" {
   description = "Whether to disable the default SNAT to support the private use of public IP addresses"
   default     = false
 }
+
+variable "notification_config_topic" {
+  type        = string
+  description = "The desired Pub/Sub topic to which notifications will be sent by GKE. Format is projects/{project}/topics/{topic}."
+  default     = ""
+}

examples/safer_cluster/main.tf

@@ -61,8 +61,14 @@ module "gke" {
 
   istio    = true
   cloudrun = true
+
+  notification_config_topic = google_pubsub_topic.updates.id
 }
 
 data "google_client_config" "default" {
 }
 
+resource "google_pubsub_topic" "updates" {
+  name    = "cluster-updates-${random_string.suffix.result}"
+  project = var.project_id
+}

modules/beta-private-cluster-update-variant/README.md

@@ -214,6 +214,7 @@ Then perform the following commands on the root folder:
 | node\_pools\_tags | Map of lists containing node network tags by node-pool name | `map(list(string))` | <pre>{<br>  "all": [],<br>  "default-node-pool": []<br>}</pre> | no |
 | node\_pools\_taints | Map of lists containing node taints by node-pool name | `map(list(object({ key = string, value = string, effect = string })))` | <pre>{<br>  "all": [],<br>  "default-node-pool": []<br>}</pre> | no |
 | non\_masquerade\_cidrs | List of strings in CIDR notation that specify the IP address ranges that do not use IP masquerading. | `list(string)` | <pre>[<br>  "10.0.0.0/8",<br>  "172.16.0.0/12",<br>  "192.168.0.0/16"<br>]</pre> | no |
+| notification\_config\_topic | The desired Pub/Sub topic to which notifications will be sent by GKE. Format is projects/{project}/topics/{topic}. | `string` | `""` | no |
 | project\_id | The project ID to host the cluster in (required) | `string` | n/a | yes |
 | region | The region to host the cluster in (optional if zonal cluster / required if regional) | `string` | `null` | no |
 | regional | Whether is a regional cluster (zonal cluster if set false. WARNING: changing this after cluster creation is destructive!) | `bool` | `true` | no |

modules/beta-private-cluster-update-variant/cluster.tf

@@ -276,6 +276,13 @@ resource "google_container_cluster" "primary" {
       security_group = authenticator_groups_config.value.security_group
     }
   }
+
+  notification_config {
+    pubsub {
+      enabled = var.notification_config_topic != "" ? true : false
+      topic   = var.notification_config_topic
+    }
+  }
 }
 
 /******************************************

modules/beta-private-cluster-update-variant/variables.tf

@@ -556,3 +556,9 @@ variable "impersonate_service_account" {
   description = "An optional service account to impersonate for gcloud commands. If this service account is not specified, the module will use Application Default Credentials."
   default     = ""
 }
+
+variable "notification_config_topic" {
+  type        = string
+  description = "The desired Pub/Sub topic to which notifications will be sent by GKE. Format is projects/{project}/topics/{topic}."
+  default     = ""
+}

modules/beta-private-cluster-update-variant/versions.tf

@@ -18,6 +18,6 @@ terraform {
   required_version = ">=0.12.6, <0.14"
 
   required_providers {
-    google-beta = ">= 3.32.0, <4.0.0"
+    google-beta = ">= 3.42.0, <4.0.0"
   }
 }