variable "project" {
  description = "Project ID."
  type        = string
}

variable "region" {
  description = "Region."
  type        = string
}

variable "private_network_id" {
  description = "Private network id."
  type        = string
}

output "redis_host" {
  description = "Hostname/IP Address for redis database."
  value       = google_redis_instance.cache.host
}

output "redis_port" {
  description = "Port for redis database."
  value       = google_redis_instance.cache.port
}

resource "google_project_service" "redis" {
  project                    = var.project
  service                    = "redis.googleapis.com"
  disable_dependent_services = true
}

resource "google_redis_instance" "cache" {
  project            = var.project
  region             = var.region
  name               = "private-cache"
  display_name       = "Private redis cache database."
  tier               = "STANDARD_HA"
  memory_size_gb     = 1
  authorized_network = var.private_network_id
  connect_mode       = "PRIVATE_SERVICE_ACCESS"
  redis_version      = "REDIS_5_0"

  depends_on = [
    google_project_service.redis
  ]
}