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Implement group membership in compute-vm module (#3816)

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* implement group membership in compute-vm module

* fix newline, update copyright
This commit is contained in:
Ludovico Magnocavallo
2026-03-27 08:56:07 +01:00
committed by GitHub
parent 2fe082f7d1
commit 44d00ed670
4 changed files with 66 additions and 1 deletions
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19
modules/compute-vm/README.md
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@@ -965,6 +965,25 @@ module "instance-group" {
# tftest inventory=group.yaml e2e
```
You can also use the `group` variable to add the instance to an existing unmanaged instance group by providing the group's self link or ID in the `membership` field.
```hcl
module "instance-group-membership" {
source = "./fabric/modules/compute-vm"
project_id = var.project_id
zone = "${var.region}-b"
name = "ilb-test-member"
network_interfaces = [{
network = var.vpc.self_link
subnetwork = var.subnet.self_link
}]
group = {
membership = "my-existing-group-id"
}
}
# tftest inventory=group-membership.yaml
```
### Instance Schedule and Resource Policies
One instance start and stop schedule can be defined via the `instance_schedule` variable. Note that this requires [additional permissions on Compute Engine Service Agent](https://cloud.google.com/compute/docs/instances/schedule-instance-start-stop#service_agent_required_roles). Already defined resource policies can be set via the `resource_policies` variable.

10
modules/compute-vm/main.tf
View File

@@ -98,7 +98,7 @@ resource "google_compute_instance_iam_binding" "default" {
}
resource "google_compute_instance_group" "unmanaged" {
count = var.group != null && !local.is_template ? 1 : 0
count = try(var.group.membership, null) == null && var.group != null && !local.is_template ? 1 : 0
project = local.project_id
network = (
length(var.network_interfaces) > 0
@@ -119,6 +119,14 @@ resource "google_compute_instance_group" "unmanaged" {
}
}
resource "google_compute_instance_group_membership" "unmanaged" {
count = try(var.group.membership, null) != null && !local.is_template ? 1 : 0
project = local.project_id
zone = local.zone
instance = google_compute_instance.default[0].self_link
instance_group = var.group.membership
}
resource "google_service_account" "service_account" {
count = try(var.service_account.auto_create, null) == true ? 1 : 0
project = local.project_id