Update main.yml with cilium values

defaults/main.yml

@@ -275,6 +275,23 @@ rke2_agents_group_name: workers
 #       use-forwarded-headers: "true"
 rke2_ingress_nginx_values: {}
 
+# (Optional) Configure cilium via HelmChartConfig: https://docs.rke2.io/networking/basic_network_options#install-a-cni-plugin
+# https://docs.cilium.io/en/stable/network/kubernetes/kubeproxy-free/
+#rke2_cilium_values:
+#    hubble:
+#      enabled: true 
+#      relay:
+#        enabled: true
+#      ui:
+#        enabled: true
+rke2_cilium_values: 
+    hubble:
+      enabled: true
+      relay:
+        enabled: true
+      ui:
+        enabled: true
+
 # Cordon, drain the node which is being upgraded. Uncordon the node once the RKE2 upgraded
 rke2_drain_node_during_upgrade: false