问例如，不正确的服务网络配置: xxxx:SERVICE_NETWORKING_NOT_ENABLED

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resource "google_sql_database_instance" "cloudsql-instance-qa" {
  depends_on       = [google_project_service.project_apis]
  database_version = "MYSQL_5_7"
  name             = "${var.env_shorthand}-${var.resource_name}"
  project          = var.project_id
  region           = var.region

  settings {
    activation_policy = "ALWAYS"
    availability_type = "ZONAL"

    backup_configuration {
      binary_log_enabled             = "true"
      enabled                        = "true"
      point_in_time_recovery_enabled = "false"
      start_time                     = "15:00"
    }

    crash_safe_replication = "false"
    disk_autoresize        = "true"
    disk_size              = "5003"
    disk_type              = "PD_SSD"

    ip_configuration {
      ipv4_enabled    = "true"
      private_network = "projects/gcp-backend/global/networks/default"
      require_ssl     = "false"
    }

    location_preference {
      zone = var.zone
    }

    maintenance_window {
      day  = "7"
      hour = "4"
    }

    pricing_plan     = "PER_USE"
    replication_type = "SYNCHRONOUS"
    tier             = "db-n1-standard-1"
  }
}