Factorize dynamic groups into a role

roles/dynamic_groups/tasks/main.yml

@@ -0,0 +1,19 @@
+---
+- name: Match needed groups by their old names or definition
+  vars:
+    group_mappings:
+      kube_control_plane:
+        - kube-master
+      kube_node:
+        - kube-node
+      calico_rr:
+        - calico-rr
+      no_floating:
+        - no-floating
+      k8s_cluster:
+        - kube_node
+        - kube_control_plane
+        - calico_rr
+  group_by:
+    key: "{{ (group_names | intersect(item.value) | length > 0) | ternary(item.key, '_all') }}"
+  loop: "{{ group_mappings | dict2items }}"