main: exclude client nodes from facts gathering when delegate_facts_host

This commit excludes client nodes from facts gathering, they are not
needed and can speed up this task.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 865d2eac9b)

infrastructure-playbooks/rolling_update.yml

@@ -59,19 +59,20 @@
   gather_facts: False
   vars:
     delegate_facts_host: True
-  tasks:
+  roles:
+    - ceph-defaults
+  post_tasks:
     - debug: msg="gather facts on all Ceph hosts for following reference"
 
     - name: gather facts
       setup:
-      when:
-        - not delegate_facts_host | bool
+      when: not delegate_facts_host | bool or inventory_hostname in groups.get(client_group_name, [])
 
     - name: gather and delegate facts
       setup:
       delegate_to: "{{ item }}"
       delegate_facts: True
-      with_items: "{{ groups['all'] }}"
+      with_items: "{{ groups['all'] | difference(groups.get('clients', [])) }}"
       run_once: true
       when:
         - delegate_facts_host | bool

site-docker.yml.sample

@@ -24,14 +24,14 @@
   pre_tasks:
     - name: gather facts
       setup:
-      when: not delegate_facts_host | bool
+      when: not delegate_facts_host | bool or inventory_hostname in groups.get(client_group_name, [])
       tags: always
 
     - name: gather and delegate facts
       setup:
       delegate_to: "{{ item }}"
       delegate_facts: True
-      with_items: "{{ groups['all'] }}"
+      with_items: "{{ groups['all'] | difference(groups.get('clients', [])) }}"
       run_once: true
       when: delegate_facts_host | bool
       tags: always

site.yml.sample

@@ -54,13 +54,13 @@
     - name: gather facts
       setup:
       when:
-        - not delegate_facts_host | bool
+        - not delegate_facts_host | bool or inventory_hostname in groups.get(client_group_name, [])
 
     - name: gather and delegate facts
       setup:
       delegate_to: "{{ item }}"
       delegate_facts: True
-      with_items: "{{ groups['all'] }}"
+      with_items: "{{ groups['all'] | difference(groups.get('clients', [])) }}"
       run_once: true
       when:
         - delegate_facts_host | bool