fail if fqdn deployment attempted

fqdn configuration possibility caused a lot of trouble, it's adding a
lot of complexity because of multiple cases and the relation between
ceph-ansible and ceph-container. Moreover, there is no benefit for such
a feature.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1613155
Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

group_vars/all.yml.sample

@@ -616,3 +616,9 @@ dummy:
 #  - { name: client.gnocchi, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_gnocchi_pool.name }}"}, mode: "0600", }
 #  - { name: client.openstack, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_glance_pool.name }}, profile rbd pool={{ openstack_nova_pool.name }}, profile rbd pool={{ openstack_cinder_pool.name }}, profile rbd pool={{ openstack_cinder_backup_pool.name }}"}, mode: "0600" }
 
+
+###############
+# DEPRECATION #
+###############
+
+#use_fqdn_yes_i_am_sure: false

group_vars/rhcs.yml.sample

@@ -616,3 +616,9 @@ ceph_rhcs_version: 3
 #  - { name: client.gnocchi, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_gnocchi_pool.name }}"}, mode: "0600", }
 #  - { name: client.openstack, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_glance_pool.name }}, profile rbd pool={{ openstack_nova_pool.name }}, profile rbd pool={{ openstack_cinder_pool.name }}, profile rbd pool={{ openstack_cinder_backup_pool.name }}"}, mode: "0600" }
 
+
+###############
+# DEPRECATION #
+###############
+
+#use_fqdn_yes_i_am_sure: false

roles/ceph-common/tasks/checks/check_mandatory_vars.yml

@@ -82,3 +82,10 @@
     - radosgw_interface == 'interface'
     - radosgw_address == 'address'
     - radosgw_address_block == 'subnet'
+
+- name: warning deprecation for fqdn configuration
+  fail:
+    msg: "fqdn configuration is not supported anymore. Use 'use_fqdn_yes_i_am_sure: true' if you really want to use it. See release notes for more details"
+  when:
+    - mon_use_fqdn or mds_use_fqdn
+    - not use_fqdn_yes_i_am_sure

roles/ceph-defaults/defaults/main.yml

@@ -608,3 +608,10 @@ openstack_keys:
   - { name: client.cinder-backup, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_cinder_backup_pool.name }}"}, mode: "0600" }
   - { name: client.gnocchi, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_gnocchi_pool.name }}"}, mode: "0600", }
   - { name: client.openstack, caps: { mon: "profile rbd", osd: "profile rbd pool={{ openstack_glance_pool.name }}, profile rbd pool={{ openstack_nova_pool.name }}, profile rbd pool={{ openstack_cinder_pool.name }}, profile rbd pool={{ openstack_cinder_backup_pool.name }}"}, mode: "0600" }
+
+
+###############
+# DEPRECATION #
+###############
+
+use_fqdn_yes_i_am_sure: false

roles/ceph-docker-common/tasks/check_mandatory_vars.yml

@@ -16,3 +16,10 @@
     - radosgw_interface == 'interface'
     - radosgw_address == 'address'
     - radosgw_address_block == 'subnet'
+
+- name: warning deprecation for fqdn configuration
+  fail:
+    msg: "fqdn configuration is not supported anymore. Use 'use_fqdn_yes_i_am_sure: true' if you really want to use it. See release notes for more details"
+  when:
+    - mon_use_fqdn or mds_use_fqdn
+    - not use_fqdn_yes_i_am_sure