feat(compute): add terraform sample for min cpu platform and disks override functionality of instance flexibility policy on RMIG

Author: chayankumar999

compute/rmig_instance_flexibility_policy/min_cpu_platform_and_disk_override/main.tf

@@ -0,0 +1,103 @@
+/**
+ * Copyright 2026 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.
+ */
+
+# [START compute_rmig_min_cpu_platform_and_disk_override_parent_tag]
+terraform {
+  required_providers {
+    google = {
+        source  = "hashicorp/google-beta"
+        version = ">= 7.14.0"
+    }
+  }
+}
+
+resource "google_compute_instance_template" "default" {
+  name         = "example-template"
+  machine_type = "n2-standard-2"
+
+  disk {
+    auto_delete  = true
+    device_name  = "boot"
+    boot         = true
+    source_image = "projects/debian-cloud/global/images/family/debian-12"
+    disk_size_gb = 10
+    disk_type    = "pd-balanced"
+  }
+
+  network_interface {
+    network = "default"
+  }
+}
+
+# [START compute_rmig_min_cpu_platform_and_disk_override_tag]
+resource "google_compute_region_instance_group_manager" "default" {
+  provider           = google-beta
+  name               = "flex-igm"
+  base_instance_name = "flex-igm-instance"
+  region             = "us-central1"
+
+  target_size                      = 2
+  distribution_policy_target_shape = "ANY"
+
+  version {
+    instance_template = google_compute_instance_template.default.id
+  }
+
+  instance_flexibility_policy {
+    instance_selections {
+      name          = "first-preference"
+      rank          = 1
+      machine_types = ["n4-standard-4"]
+      disks {
+        auto_delete  = true
+        device_name  = "boot"
+        boot         = true
+        source_image = "projects/debian-cloud/global/images/family/debian-12"
+        disk_size_gb = 10
+        disk_type    = "hyperdisk-balanced"
+      }
+    }
+
+    instance_selections {
+      name             = "second-preference"
+      rank             = 2
+      machine_types    = ["n2-standard-4"]
+      min_cpu_platform = "Intel Ice Lake"
+      disks {
+        auto_delete  = true
+        device_name  = "boot"
+        boot         = true
+        source_image = "projects/debian-cloud/global/images/family/debian-12"
+        disk_size_gb = 10
+        disk_type    = "pd-ssd"
+      }
+    }
+  }
+
+  instance_lifecycle_policy {
+    force_update_on_repair = "YES"
+  }
+
+  update_policy {
+    instance_redistribution_type = "NONE"
+    type                         = "OPPORTUNISTIC"
+    minimal_action               = "REPLACE"
+    max_surge_fixed              = 0
+    max_unavailable_fixed        = 6
+  }
+}
+# [END compute_rmig_min_cpu_platform_and_disk_override_tag]
+# [END compute_rmig_min_cpu_platform_and_disk_override_parent_tag]