Speed up the some facts settings by running them once

Signed-off-by: Teoman ONAY <tonay@ibm.com>

roles/ceph-dashboard/tasks/configure_dashboard.yml

@@ -34,6 +34,7 @@
     name: ceph-facts
     tasks_from: set_radosgw_address.yml
   loop: "{{ groups.get(rgw_group_name, []) }}"
+  run_once: true
   loop_control:
     loop_var: ceph_dashboard_call_item
   when: inventory_hostname in groups.get(rgw_group_name, [])

roles/ceph-facts/tasks/set_radosgw_address.yml

@@ -51,6 +51,7 @@
       loop: "{{ groups.get(rgw_group_name, []) }}"
       delegate_to: "{{ item }}"
       delegate_facts: true
+      run_once: true
       when: ip_version == 'ipv4'
 
     - name: set_fact _radosgw_address to radosgw_interface - ipv6
@@ -59,6 +60,7 @@
       loop: "{{ groups.get(rgw_group_name, []) }}"
       delegate_to: "{{ item }}"
       delegate_facts: true
+      run_once: true
       when: ip_version == 'ipv6'
 
 - name: set_fact rgw_instances without rgw multisite