Enterprise databases are not allowed to update field configuration other than TTL.

[970uraj]

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Terraform Version & Provider Version(s)

Terraform v1.6.3
on

• provider registry.terraform.io/hashicorp/google v7.12.0
• provider registry.terraform.io/hashicorp/google-beta vX.X.X (not tested)

Affected Resource(s)

google_firestore_field

Terraform Configuration

resource "google_firestore_database" "database" {
  name             = var.db_name
  location_id      = var.db_location
  deletion_policy  = "ABANDON"
  database_edition = "ENTERPRISE"
  project          = var.project_id
  type             = "FIRESTORE_NATIVE"
}

resource "google_firestore_field" "ttl" {
  project    = var.project_id
  for_each   = { for cfg in var.ttl_config : "${cfg.collection}.${cfg.field}" => cfg }
  database   = var.db_name
  collection = each.value.collection
  field      = each.value.field

  ttl_config {
  }
  // Disable all single field indexes for the timestamp property.
  index_config {}
}

Debug Output

Error: Error creating Field: googleapi: Error 400: Enterprise databases are not allowed to update field configuration other than TTL.
with module.mongo-db.module.dev-shared-state-db[0].google_firestore_field.ttl["events.expiresAt"]
on ../../modules/lib-mongo-db/main.tf line 15, in resource "google_firestore_field" "ttl":
resource "google_firestore_field" "ttl" {

Expected Behavior

Create TTL policy based on the specified field. The error is unclear since i do only intend to set TTL

Actual Behavior

Fails to create the resource which should set the TTL policy

Steps to reproduce

1. terraform apply

Important Factoids

Reason for using enterprise mode is that only that has mongo compatibility which is a requirement.

References

No response

b/464537660

[ggtisc]

Confirmed issue with the following code:

resource "google_firestore_database" "firestore_db_25331" {
name = "firestore-db-25331"
location_id = "us-central1"
deletion_policy = "ABANDON"
database_edition = "ENTERPRISE"
project = "my-project"
type = "FIRESTORE_NATIVE"
}

resource "google_firestore_field" "firestore_field_25331" {
project = "my-project"
database = google_firestore_database.firestore_db_25331.name
collection = "chatrooms"
field = "timestamp"

ttl_config {}

index_config {}
}