feat: add option to apply custom node labels

defaults/main.yml

@@ -51,3 +51,5 @@ k3s_server_admission_configuration:
 
 k3s_server_resource_creations: []
 k3s_server_resource_patches: []
+
+k3s_node_labels: {}

molecule/rocky9/converge.yml

@@ -28,6 +28,8 @@
     #       type: Opaque
     #       data:
     #         token: "{{ hcloud_token | b64encode }}"
+    k3s_node_labels:
+      node.kubernetes.io/exclude-from-external-load-balancers: "true"
   pre_tasks:
     - name: Override host variables
       ansible.builtin.set_fact:

molecule/rocky9/tests/test_default.py

@@ -21,6 +21,13 @@ def test_k3s_node_ready(host):
     assert "rocky9-k3s:Ready=True;" in nodes
 
 
+def test_k3s_node_labels(host):
+    jsonpth = '{.items[0].metadata.labels}'  # noqa
+    nodes = host.run(f"k3s kubectl get nodes -o jsonpath='{jsonpth}'").stdout
+
+    assert '"node.kubernetes.io/exclude-from-external-load-balancers":"true"' in nodes
+
+
 def test_k3s_cluster_ready(host):
     cluster = host.run("k3s kubectl get --raw='/readyz'").stdout
 

tasks/setup.yml

@@ -68,7 +68,7 @@
         state: patched
         definition:
           metadata:
-            labels: "{{ (__k3s_node_lables['control'] if k3s_server | bool else __k3s_node_lables['worker']) | combine(__k3s_node_lables['general']) }}"
+            labels: "{{ (__k3s_node_lables['control'] if k3s_server | bool else __k3s_node_lables['worker']) | combine(__k3s_node_lables['general'], k3s_node_labels) }}"
       delegate_to: "{{ hostvars[k3s_server_nodes[0]]['inventory_hostname'] }}"
 
     - name: Patch existing resources