feat: add node_labels to master and worker nodes (#62)

Author: mikeruu

iac/provider/kubespray/hosts.tpl

@@ -27,10 +27,12 @@ all:
             oc_worker_nodes: null
 
 oc_controlplane_nodes:
-%{ if network_plugin == "kube-ovn" ~}
+%{ if length(controlplane_node_labels) > 0 ~}
   vars:
     node_labels:
-      "kube-ovn/role": "master"
+%{ for key, value in controlplane_node_labels ~}
+      "${key}": "${value}"
+%{ endfor ~}
 %{ endif ~}
   hosts:
 %{ for master in master_nodes ~}
@@ -39,6 +41,13 @@ oc_controlplane_nodes:
 %{endfor ~}
 
 oc_worker_nodes:
+%{ if length(worker_node_labels) > 0 ~}
+  vars:
+    node_labels:
+%{ for key, value in worker_node_labels ~}
+      "${key}": "${value}"
+%{ endfor ~}
+%{ endif ~}
   hosts:
 %{ for worker in worker_nodes ~}
     ${worker.name}:

iac/provider/kubespray/main.tf

@@ -20,6 +20,9 @@ resource "local_file" "ansible_inventory" {
       ssh_user           = var.ssh_user
       worker_nodes       = var.worker_nodes
       windows_nodes      = var.windows_nodes
+      controlplane_node_labels = var.controlplane_node_labels
+      worker_node_labels       = var.worker_node_labels
+
   })
 
   filename        = "./inventory/inventory.yaml"

iac/provider/kubespray/variables.tf

@@ -244,4 +244,16 @@ variable "windows_nodes" {
 variable "use_octavia" {
   type    = bool
   default = true
-}
+}
+
+variable "controlplane_node_labels" {
+  type        = map(string)
+  default     = {}
+  description = "Map of Kubernetes labels to apply to control plane nodes. Keys and values are strings."
+}
+
+variable "worker_node_labels" {
+  type        = map(string)
+  default     = {}
+  description = "Map of Kubernetes labels to apply to worker nodes. Keys and values are strings."
+}