feat(compute): add terraform sample for cross-zone repair functionality of rmig

Author: chayankumar999

compute/rmig_cross_zone_repair/main.tf

@@ -0,0 +1,81 @@
+/**
+* Copyright 2024 Google LLC
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+* Made to resemble:
+* gcloud beta compute instance-groups managed create czr-rmig \
+* --region us-central1 \
+* --size 3 \
+* --template example-template \
+* --target-distribution-shape balanced \
+* --instance-redistribution-type none \
+* --default-action-on-vm-failure=repair \
+* --on-repair-allow-changing-zone=YES \
+* --force-update-on-repair
+*/
+
+terraform {
+ required_providers {
+ google = {
+ source = "hashicorp/google-beta"
+ version = ">= 7.8.0"
+ }
+ }
+}
+
+# [START compute_rmig_cross_zone_repair_parent_tag]
+resource "google_compute_instance_template" "default" {
+ name = "example-template"
+ machine_type = "n2-standard-2"
+ disk {
+ source_image = "debian-cloud/debian-12"
+ }
+ network_interface {
+ network = "default"
+ }
+}
+
+# [START compute_rmig_cross_zone_repair]
+resource "google_compute_region_instance_group_manager" "default" {
+ name = "czr-rmig"
+ base_instance_name = "tf-test-czr-rmig"
+ region = "us-central1"
+
+ target_size = 3
+ distribution_policy_target_shape = "BALANCED"
+
+ version {
+ instance_template = google_compute_instance_template.default.id
+ }
+
+ instance_lifecycle_policy {
+ default_action_on_failure = "REPAIR"
+ force_update_on_repair = "YES"
+ on_repair{
+ allow_changing_zone = "YES"
+ }
+ }
+
+ update_policy {
+ instance_redistribution_type = "NONE"
+ type = "OPPORTUNISTIC"
+ minimal_action = "REPLACE"
+ max_surge_fixed = 0
+ max_unavailable_fixed = 6
+ }
+}
+# [END compute_rmig_cross_zone_repair]
+# [END compute_rmig_cross_zone_repair_parent_tag]