Add var to opt-out of rke2 service restarts

defaults/main.yml

@@ -291,3 +291,7 @@ rke2_debug: false
 
 # The value for the node-name configuration item
 rke2_node_name: "{{ inventory_hostname }}"
+
+# Allow the role to restart rke2 services as needed. Set to false if this will
+# be accomplished outside the role.
+rke2_restart_allowed: true

tasks/find_active_server.yml

@@ -2,6 +2,8 @@
 
 - name: Populate services facts
   ansible.builtin.service_facts:
+  # gathering service facts can be slow, only do so after install / upgrade
+  when: rke2_version != installed_version
 
 - name: Set the Active Server variable
   ansible.builtin.set_fact:

tasks/main.yml

@@ -65,26 +65,29 @@
     - active_server is defined
     - groups[rke2_cluster_group_name] | length | int >= 2
 
-- name: Rolling cordon and drain restart when version changes
-  ansible.builtin.include_tasks: rolling_restart.yml
-  with_items: "{{ groups[rke2_cluster_group_name] }}"
-  loop_control:
-    loop_var: _host_item
+- name: "{{ _loop_name }}"
+  ansible.builtin.include_tasks: rolling_loop.yml
+  vars:
+    _loop_name: Rolling cordon and drain restart when version changes
+    _loop_over_tasks: rolling_restart.yml
   when:
-    - hostvars[_host_item].inventory_hostname == inventory_hostname
+    - rke2_restart_allowed
+    - rke2_restart_needed
     - installed_version != "not installed"
     - rke2_version != running_version
 
 - name: Flush handlers
   ansible.builtin.meta: flush_handlers
 
-- name: Rolling restart when config files change
-  ansible.builtin.include_tasks: change_config.yml
-  with_items: "{{ groups[rke2_cluster_group_name] }}"
-  loop_control:
-    loop_var: _host_item
+- name: "{{ _loop_name }}"
+  ansible.builtin.include_tasks: rolling_loop.yml
+  vars:
+    _loop_name: Rolling restart when config files change
+    _loop_over_tasks: rolling_restart.yml
+    # drain not required for config change only
+    rke2_drain_node_during_upgrade: false
   when:
-    - hostvars[_host_item].inventory_hostname == inventory_hostname
+    - rke2_restart_allowed
     - rke2_restart_needed
 
 - name: Final steps

tasks/rolling_loop.yml

@@ -0,0 +1,8 @@
+# Isolating this loop to a file reduces log spam and resource utilization
+# when restarts are not required.
+- name: "{{ _loop_name }} {{ hostvars[_host_item].inventory_hostname }}"
+  ansible.builtin.include_tasks: "{{ _loop_over_tasks }}"
+  with_items: "{{ groups[rke2_cluster_group_name] }}"
+  loop_control:
+    loop_var: _host_item
+  when: hostvars[_host_item].inventory_hostname == inventory_hostname