Add autoscaling support for Dataproc Metastore

[brandon-m-hansen]

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Description

Add autoscaling support for Dataproc Metastore (see https://cloud.google.com/dataproc-metastore/docs/scaling-factors)

New or Affected Resource(s)

• google_dataproc_metastore_service

Potential Terraform Configuration

resource "google_dataproc_metastore_service" "default" {
  provider   = google-beta
  project    = "my-project"
  service_id = "my-service-id"
  location   = "us-east4"

  # DPMS 2 requires SPANNER database type.
  database_type = "SPANNER"

  hive_metastore_config {
    version           = "3.1.2"
    endpoint_protocol = "GRPC"
    config_overrides = {
      endpoint_protocol              = "GRPC"
      "hive.metastore.warehouse.dir" = var.hive_warehouse_dir
    }
  }
  
  scaling_config {
    autoscaling_config {
      autoscaling_enabled = true
      limit_config {
        min_scaling_factor = 0.1
        max_scaling_factor = 1.0
      }
    }
  }
}

References

No response

b/337873491