variables.tf

variable "location" {
  description = "Location of Azure region in use"
  type        = string
}

variable "resource_group_name" {
  description = "Existing AKS resource group name"
  type        = string
}

variable "name" {
  description = "AKS cluster name"
  type        = string
}

variable "aks_admin_group_member_name" {
  description = "Existing AAD group name to add as a member to the <AKS_CLUSTER_NAME>-aks-administrators group"
  type        = string
}

# version used for both main AKS API service, and default node pool
# https://github.com/Azure/AKS/releases
# az aks get-versions --location uksouth --output table
variable "kubernetes_version" {
  description = "Version for both main AKS API service, and default node pool"
  type        = string
  default     = "1.21.9"
}

variable "sla_sku" {
  description = "Defines the SLA under which the managed master control plane of AKS is running"
  type        = string
  default     = "Free"
}

variable "load_balancer_sku" {
  description = "Specifies the SKU of the Load Balancer used for this Kubernetes Cluster"
  type        = string
  default     = "basic"
}

variable "tags" {
  description = "A map of the tags to use on the resources"
  type        = map(string)
  default = {
    Source = "terraform"
  }
}

variable "admin_username" {
  description = "The admin username of the node VMs that will be deployed"
  default     = "sysadmin"
}

# Use "cat ~/.ssh/id_rsa.pub"
variable "admin_ssh_public_key" {
  description = "Public key for SSH access to the node VMs"
  default     = ""
}

variable "default_node_pool" {
  description = <<EOD
Default node pool configuration. Overrides/merges with locals.default_agent_profile:
```
map(object({
  name                  = string
  count                 = number
  vm_size               = string
  os_type               = string
  enable_auto_scaling   = bool
  min_count             = number
  max_count             = number
  type                  = string
  node_taints           = list(string)
  vnet_subnet_id        = string
  max_pods              = number
  os_disk_size_gb       = number
  enable_node_public_ip = bool
}))
```
EOD

  type    = map(any)
  default = {}
}


# ADD-ONS
# https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/kubernetes_cluster#azure_active_directory
# https://docs.microsoft.com/en-us/azure/aks/azure-ad-rbac
variable "aad_auth_enabled" {
  description = "Should AAD authentication be enabled"
  type        = bool
  default     = true
}

# https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/kubernetes_cluster#azure_policy
# https://docs.microsoft.com/en-ie/azure/governance/policy/concepts/policy-for-kubernetes
variable "azure_policy_enabled" {
  description = "Should Azure Policy be enabled"
  type        = bool
  default     = true
}

variable "role_based_access_control_enabled" {
  description = "(Optional) - Whether Role Based Access Control for the Kubernetes Cluster should be enabled."
  type        = bool
  default     = true
}

variable "log_analytics_workspace_id" {
  description = "The ID of the Log Analytics Workspace which the OMS Agent should send data to"
  type        = string
  default     = ""
}