convert some missed `ansible_*`` calls to `ansible_facts['*']`

This converts some missed calls to `ansible_*` that were missed in
initial PR #6312

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 0163ecc924)

group_vars/nfss.yml.sample

@@ -29,7 +29,7 @@ dummy:
 # ideal when ceph-nfs is managed by pacemaker across multiple hosts - in
 # such case it's better to have constant instance id instead which
 # can be set by 'ceph_nfs_service_suffix'
-# ceph_nfs_service_suffix: ansible_hostname
+# ceph_nfs_service_suffix: "{{ ansible_facts['hostname'] }}"
 
 #######################
 # Access type options #

group_vars/osds.yml.sample

@@ -58,7 +58,7 @@ dummy:
 #bluestore_wal_devices: []
 
 #'osd_auto_discovery'  mode prevents you from filling out the 'devices' variable above.
-# Device discovery is based on the Ansible fact 'ansible_devices'
+# Device discovery is based on the Ansible fact 'ansible_facts["devices"]'
 # which reports all the devices on a system. If chosen, all the disks
 # found will be passed to ceph-volume lvm batch. You should not be worried on using
 # this option since ceph-volume has a built-in check which looks for empty devices.

roles/ceph-nfs/defaults/main.yml

@@ -21,7 +21,7 @@ ceph_nfs_enable_service: true
 # ideal when ceph-nfs is managed by pacemaker across multiple hosts - in
 # such case it's better to have constant instance id instead which
 # can be set by 'ceph_nfs_service_suffix'
-# ceph_nfs_service_suffix: ansible_hostname
+# ceph_nfs_service_suffix: "{{ ansible_facts['hostname'] }}"
 
 #######################
 # Access type options #

roles/ceph-osd/defaults/main.yml

@@ -50,7 +50,7 @@ dedicated_devices: []
 bluestore_wal_devices: []
 
 #'osd_auto_discovery'  mode prevents you from filling out the 'devices' variable above.
-# Device discovery is based on the Ansible fact 'ansible_devices'
+# Device discovery is based on the Ansible fact 'ansible_facts["devices"]'
 # which reports all the devices on a system. If chosen, all the disks
 # found will be passed to ceph-volume lvm batch. You should not be worried on using
 # this option since ceph-volume has a built-in check which looks for empty devices.