variables.tf

# google
variable "org_id" {
  type        = string
  description = "The organization ID to create projects in."
}

variable "project_id" {
  type        = string
  description = "The project ID to host the cluster in."
}

variable "project_services" {
  type        = set(string)
  description = "The project ID to host the cluster in."
  default     = [
    "container.googleapis.com",
    "redis.googleapis.com",
  ]
}

variable "billing_account" {
  type        = string
  description = "The project ID to host the cluster in."
}

variable "region" {
  type        = string
  description = "The region to host the cluster in."
}

variable "cluster_name" {
  type        = string
  description = "The name of the cluster to create."
}

variable database_instance_name {
  type        = string
  default     = "master-instance"
  description = "The name of the database instance."
}

variable database_instance_version {
  type        = string
  default     = "MYSQL_8_0"
  description = "The version of the database instance."
}

variable database_instance_tier {
  type        = string
  default     = "db-f1-micro"
  description = "The tier of the database instance."
}

variable database_instance_allowed_network {
  type        = string
  default     = "standard"
  description = "A CIDR notation IPv4 or IPv6 address that is allowed to access the database instance."
}

variable database_name {
  type        = string
  default     = "database"
  description = "The name of the database."
}

variable database_collation {
  type        = string
  default     = "utf8_unicode_ci"
  description = "The collation of the database."
}

variable database_seed_file {
  type        = string
  default     = "schema.sql"
  description = "The name of the file to seed the database."
}

variable database_credentials {
  type        = object({
    user      = string
    password  = string
  })
  description = "The name of the file to seed the database."
}

variable redis_instance_name {
  type        = string
  default     = "memory-cache"
  description = "The name of the redis instance."
}

variable redis_instance_tier {
  type        = string
  default     = "STANDARD_HA"  # Possible values are `BASIC` and `STANDARD_HA`
  description = "The tier of the redis instance."
}

variable redis_instance_size {
  type        = number
  default     = 1
  description = "The size of the redis instance."
}

# kubernetes
variable "deployment_name" {
  type        = string
  default     = "nginx"
  description = "Name of the kubernetes deployment."
}

variable deployment_replicas {
  type        = number
  default     = 2
  description = "The number of replicas for the deployment."
}

variable deployment_image {
  type        = string
  default     = "nginx:1.20.2"
  description = "The image for the main container of the deployment."
}

variable deployment_port {
  type        = string  # use string instead of number since we won't be doing math on it.
  default     = "80"
  description = "The port to expose on the main container of the deployment."
}

# Depending on the use case, these 4 variables for the container request quotas
# could make more sense as an object/map variable.
variable deployment_cpu_limit {
  type        = string
  default     = "500m"
  description = "The CPU limit on the main container of the deployment."
}

variable deployment_mem_limit {
  type        = string
  default     = "512Mi"
  description = "The memory limit on the main container of the deployment."
}

variable deployment_cpu_requests {
  type        = string
  default     = "250m"
  description = "The CPU requests on the main container of the deployment."
}

variable deployment_mem_requests {
  type        = string
  default     = "50Mi"
  description = "The memory requets on the main container of the deployment."
}

variable deployment_hpa_max_replicas {
  type        = number
  default     = 8
  description = "The max replicas for the deployment HPA."
}

variable deployment_hpa_min_replicas {
  type        = number
  default     = null
  description = "The max replicas for the deployment HPA. If not set, defaults to deploy replicas."
}

variable deployment_hpa_target_cpu_percent {
  type        = number
  default     = 50
  description = "The target average CPU utilization for the deployment HPA."
}