Add contrib/terraform/opennebula: provision Kubespray VMs on OpenNebula (#13390)

contrib/terraform/opennebula/variables.tf

@@ -0,0 +1,187 @@
+## OpenNebula connection. Leave empty to use the OPENNEBULA_ENDPOINT,
+## OPENNEBULA_USERNAME, OPENNEBULA_PASSWORD and OPENNEBULA_INSECURE
+## environment variables.
+
+variable "one_endpoint" {
+  description = "OpenNebula XML-RPC API endpoint, e.g. https://one.example.com:2634/RPC2"
+  default     = ""
+}
+
+variable "one_username" {
+  default = ""
+}
+
+variable "one_password" {
+  default   = ""
+  sensitive = true
+}
+
+variable "one_insecure" {
+  description = "Skip TLS certificate verification of the OpenNebula endpoint (null = use OPENNEBULA_INSECURE if set)"
+  type        = bool
+  default     = null
+}
+
+## Cluster
+
+variable "prefix" {
+  default = "k8s"
+}
+
+variable "inventory_file" {
+  default = "inventory.ini"
+}
+
+variable "template_name" {
+  description = "Name of the existing contextualized OpenNebula VM template"
+}
+
+variable "network_name" {
+  description = "Name of the existing OpenNebula Virtual Network the nodes attach to"
+}
+
+variable "master_count" {
+  description = "Number of control-plane nodes to create (named master-0..N-1); ignored when machines is set"
+  type        = number
+  default     = 0
+
+  validation {
+    condition     = var.master_count >= 0
+    error_message = "master_count must be >= 0."
+  }
+}
+
+variable "worker_count" {
+  description = "Number of worker nodes to create (named worker-0..N-1); ignored when machines is set"
+  type        = number
+  default     = 0
+
+  validation {
+    condition     = var.worker_count >= 0
+    error_message = "worker_count must be >= 0."
+  }
+}
+
+variable "machines" {
+  description = "Advanced node definition (named nodes, optional static IPs); takes precedence over master_count/worker_count when non-empty"
+  type = map(object({
+    node_type = string
+    ip        = optional(string, "")
+  }))
+  default = {}
+
+  validation {
+    condition = alltrue([
+      for machine in var.machines : contains(["master", "worker"], machine.node_type)
+    ])
+    error_message = "machines[*].node_type must be \"master\" or \"worker\"."
+  }
+}
+
+variable "ssh_public_keys" {
+  description = "List of public SSH keys which are injected into the VMs."
+  type        = list(string)
+}
+
+variable "ansible_user" {
+  description = "SSH user written into the generated inventory (the user one-context injects keys for; root on standard OpenNebula images)"
+  default     = "root"
+}
+
+## Master
+
+variable "master_cpu" {
+  default = 1
+}
+
+variable "master_vcpu" {
+  default = 2
+}
+
+variable "master_memory" {
+  description = "Memory in MB"
+  default     = 4096
+}
+
+variable "master_disk_size" {
+  description = "OS disk size in MB; 0 keeps the template's disk unchanged"
+  default     = 0
+
+  validation {
+    condition     = var.master_disk_size >= 0
+    error_message = "master_disk_size must be >= 0 (MB)."
+  }
+}
+
+## Worker
+
+variable "worker_cpu" {
+  default = 1
+}
+
+variable "worker_vcpu" {
+  default = 4
+}
+
+variable "worker_memory" {
+  description = "Memory in MB"
+  default     = 8192
+}
+
+variable "worker_disk_size" {
+  description = "OS disk size in MB; 0 keeps the template's disk unchanged"
+  default     = 0
+
+  validation {
+    condition     = var.worker_disk_size >= 0
+    error_message = "worker_disk_size must be >= 0 (MB)."
+  }
+}
+
+variable "vm_create_timeout" {
+  default = "20m"
+}
+
+## OpenNebula extras
+
+variable "additional_disk_size" {
+  description = "Size (MB) of an extra DATABLOCK disk attached to every node; 0 disables it"
+  default     = 0
+
+  validation {
+    condition     = var.additional_disk_size >= 0
+    error_message = "additional_disk_size must be >= 0 (MB)."
+  }
+}
+
+variable "image_datastore_name" {
+  description = "IMAGE datastore for the additional DATABLOCK disk (required when additional_disk_size > 0)"
+  default     = ""
+}
+
+variable "masters_anti_affinity" {
+  description = "Spread master VMs across hosts using an ANTI_AFFINED VM group"
+  type        = bool
+  default     = false
+}
+
+variable "network_reservation_size" {
+  description = "If > 0, create a reservation of this many addresses from network_name and attach the nodes to it"
+  default     = 0
+
+  validation {
+    condition     = var.network_reservation_size >= 0
+    error_message = "network_reservation_size must be >= 0."
+  }
+}
+
+variable "network_reservation_first_ip" {
+  description = "First IP of the reservation carved from the parent network (empty = let OpenNebula choose)"
+  default     = ""
+}
+
+variable "network_reservation_ar_id" {
+  description = "Address-range ID of the parent network to reserve from (null = provider default)"
+  type        = number
+  default     = null
+}