feat: Add maintenance exclusions support (terraform-google-modules#781)

* Add support to maintenance exclusions * Bump google-beta required_providers to 3.49.0

Author: msgongora

README.md

@@ -156,6 +156,7 @@ Then perform the following commands on the root folder:
 | issue\_client\_certificate | Issues a client certificate to authenticate to the cluster endpoint. To maximize the security of your cluster, leave this option disabled. Client certificates don't automatically rotate and aren't easily revocable. WARNING: changing this after cluster creation is destructive! | `bool` | `false` | no |
 | kubernetes\_version | The Kubernetes version of the masters. If set to 'latest' it will pull latest available version in the selected region. | `string` | `"latest"` | no |
 | logging\_service | The logging service that the cluster should write logs to. Available options include logging.googleapis.com, logging.googleapis.com/kubernetes (beta), and none | `string` | `"logging.googleapis.com/kubernetes"` | no |
+| maintenance\_exclusions | List of maintenance exclusions. A cluster can have up to three | `list(object({ name = string, start_time = string, end_time = string }))` | `[]` | no |
 | maintenance\_start\_time | Time window specified for daily or recurring maintenance operations in RFC3339 format | `string` | `"05:00"` | no |
 | master\_authorized\_networks | List of master authorized networks. If none are provided, disallow external access (except the cluster node IPs, which GKE automatically whitelists). | `list(object({ cidr_block = string, display_name = string }))` | `[]` | no |
 | monitoring\_service | The monitoring service that the cluster should write metrics to. Automatically send metrics from pods in the cluster to the Google Cloud Monitoring API. VM metrics will be collected by Google Compute Engine regardless of this setting Available options include monitoring.googleapis.com, monitoring.googleapis.com/kubernetes (beta) and none | `string` | `"monitoring.googleapis.com/kubernetes"` | no |

autogen/main/cluster.tf.tmpl

@@ -214,6 +214,16 @@ resource "google_container_cluster" "primary" {
  start_time = var.maintenance_start_time
  }
  }
+
+ dynamic "maintenance_exclusion" {
+ for_each = var.maintenance_exclusions
+ content {
+ exclusion_name = maintenance_exclusion.value.name
+ start_time = maintenance_exclusion.value.start_time
+ end_time = maintenance_exclusion.value.end_time
+ }
+ }
+
  {% else %}
  daily_maintenance_window {
  start_time = var.maintenance_start_time

autogen/main/variables.tf.tmpl

@@ -114,6 +114,12 @@ variable "maintenance_start_time" {
  default = "05:00"
 }
 
+variable "maintenance_exclusions" {
+ type = list(object({ name = string, start_time = string, end_time = string }))
+ description = "List of maintenance exclusions. A cluster can have up to three"
+ default = []
+}
+
 {% if beta_cluster %}
 variable "maintenance_end_time" {
  type = string

autogen/main/versions.tf.tmpl

@@ -19,7 +19,7 @@ terraform {
 
  required_providers {
 {% if beta_cluster %}
- google-beta = ">= 3.42.0, <4.0.0"
+ google-beta = ">= 3.49.0, <4.0.0"
  kubernetes = "~> 1.10, != 1.11.0"
 {% else %}
  google = ">= 3.39.0, <4.0.0"

examples/node_pool/main.tf

@@ -19,7 +19,7 @@ locals {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
  region = var.region
 }
 

examples/node_pool_update_variant_beta/main.tf

@@ -19,7 +19,7 @@ locals {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
  credentials = file(var.credentials_path)
  region = var.region
 }

examples/node_pool_update_variant_public_beta/main.tf

@@ -19,7 +19,7 @@ locals {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
  credentials = file(var.credentials_path)
  region = var.region
 }

examples/regional_private_node_pool_oauth_scopes/provider.tf

@@ -19,7 +19,7 @@ provider "google" {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
 }
 
 data "google_client_config" "default" {}

examples/safer_cluster/main.tf

@@ -34,7 +34,7 @@ provider "google" {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
 }
 
 data "google_client_config" "default" {}

examples/safer_cluster_iap_bastion/provider.tf

@@ -19,7 +19,7 @@ provider "google" {
 }
 
 provider "google-beta" {
- version = "~> 3.42.0"
+ version = "~> 3.49.0"
 }
 
 data "google_client_config" "default" {}