/*
Copyright 2020 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

variable "project_name" {
  description = "The name of the project in which to provision the node_pool"
  type        = string
}

variable "cluster_name" {
  description = "The name of the cluster to attach this node_pool to"
  type        = string
}

variable "location" {
  description = "The GCP location (region or zone) where the node_pool should be located"
  type        = string
}

variable "node_locations" {
  description = "The GCP locations (regions or zones) where the node_pool should be located"
  type        = list(any)
  default     = []
}

variable "name" {
  description = "The name to use for this node_pool"
  type        = string
}

variable "initial_count" {
  description = "The initial_node_count of this node_pool"
  type        = string
}

variable "min_count" {
  description = "The min_node_count of this node_pool"
  type        = string
}

variable "max_count" {
  description = "The max_node_count of this node_pool"
  type        = string
}

variable "machine_type" {
  description = "The machine_type of this node_pool"
  type        = string
}

variable "image_type" {
  description = "The image_type of this node_pool"
  type        = string
  default     = "COS_CONTAINERD"
}

variable "disk_size_gb" {
  description = "The disk_size_gb of this node_pool"
  type        = string
}

variable "disk_type" {
  description = "The disk_type of this node_pool"
  type        = string
}

variable "ephemeral_local_ssd_count" {
  description = "Number of local SSDs to provision for ephemeral storage. If 0, ephemeral storage is backed by boot disk"
  type        = string
  default     = 0
}

variable "labels" {
  description = "The labels to apply to this node_pool"
  type        = map(string)
  default     = {}
}

# Terraform docs suggest not using terraform to manage taints, because GKE is going
# to auto-apply taints if certain features are enabled, and terraform doesn't do well
# when something else is managing the same thing it's managing.
#
# So this is mostly here to describe intent. It will assign taints at creation time,
# but cannot be used to ensure the taints remain applied throughout the node pool's
# lifecycle
#
# ref: https://www.terraform.io/docs/providers/google/r/container_cluster.html#taint
variable "taints" {
  description = "The taints to apply to this node_pool upon creation (NOTE: changes will be ignored throughout lifecycle)"
  type        = list(object({ key = string, value = string, effect = string }))
  default     = []
}

variable "service_account" {
  description = "The email address of the GCP Service Account to be associated with nodes in this node_pool"
  type        = string
}