move freeipa_server validation so it runs

Author: sjpb

ansible/roles/freeipa/tasks/server.yml

@@ -1,5 +1,16 @@
 # Based on https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/installing_identity_management/preparing-the-system-for-ipa-server-installation_installing-identity-management#host-name-and-dns-requirements-for-ipa_preparing-the-system-for-ipa-server-installation
 
+- name: Get hostname as reported by command
+  command: hostname
+  register: _freeipa_validate_hostname
+  changed_when: false
+
+- name: Ensure hostname is fully-qualified
+  # see section 2.7 of redhat guide to installing identity management
+  assert:
+    that: _freeipa_validate_hostname.stdout | split('.') | length >= 3
+    fail_msg: "freeipa_server hostname '{{ _freeipa_validate_hostname.stdout }}' is not fully-qualified (a.b.c)"
+
 - name: Install freeipa server packages
   dnf:
     name: '@idm:DL1/dns'

ansible/roles/freeipa/tasks/validate.yml

@@ -1,16 +1,3 @@
-- name: Get hostname as reported by command
-  command: hostname
-  register: _freeipa_validate_hostname
-  changed_when: false
-  when: "'freeipa_server' in group_names"
-
-- name: Ensure hostname is fully-qualified
-  # see section 2.7 of redhat guide to installing identity management
-  assert:
-    that: _freeipa_validate_hostname.stdout | split('.') | length >= 3
-    fail_msg: "FreeIPA server hostname '{{ _freeipa_validate_hostname.stdout }}' is not fully-qualified (a.b.c)"
-  when: "'freeipa_server' in group_names"
-
 - name: Ensure control node has persistent storage defined
   assert:
     that: "{{ 'appliances_state_dir' in hostvars[groups['control'] | first ] }}"