ipa[server,replica,client]: Do not enforce ansible_fqdn as hostname

The ansible_fqdn hostname has been enforced to be set and used in
ipaserver, ipareplica and also ipaclient role. This has been removed as
the hostname should only be set if specified explicitly with
ipa[server,replica,client]_hostname.

roles/ipaclient/tasks/install.yml

@@ -35,7 +35,7 @@
     domain: "{{ ipaserver_domain | default(ipaclient_domain) | default(omit) }}"
     servers: "{{ ipaclient_servers | default(omit) }}"
     realm: "{{ ipaserver_realm | default(ipaclient_realm) | default(omit) }}"
-    hostname: "{{ ipaclient_hostname | default(ansible_fqdn) }}"
+    hostname: "{{ ipaclient_hostname | default(omit) }}"
     ntp_servers: "{{ ipaclient_ntp_servers | default(omit) }}"
     ntp_pool: "{{ ipaclient_ntp_pool | default(omit) }}"
     no_ntp: "{{ ipaclient_no_ntp }}"
@@ -166,8 +166,8 @@
 
   - name: Install - Backup and set hostname
     ipaclient_set_hostname:
-      hostname: "{{ result_ipaclient_test.hostname }}"
-    when: not ipaclient_on_master | bool
+      hostname: "{{ ipaclient_hostname }}"
+    when: not ipaclient_on_master | bool and ipaclient_hostname is defined
 
   - name: Install - Join IPA
     ipaclient_join:

roles/ipareplica/tasks/install.yml

@@ -42,7 +42,7 @@
     domain: "{{ ipareplica_domain | default(ipaserver_domain) | default(omit) }}"
     servers: "{{ groups.ipaservers | default(groups.ipaserver) | default(omit) }}"
     realm: "{{ ipareplica_realm | default(omit) }}"
-    hostname: "{{ ipareplica_hostname | default(ansible_fqdn) }}"
+    hostname: "{{ ipareplica_hostname | default(omit) }}"
     ca_cert_files: "{{ ipareplica_ca_cert_files | default([]) }}"
     ### server ###
     setup_adtrust: "{{ ipareplica_setup_adtrust }}"

roles/ipaserver/tasks/install.yml

@@ -36,7 +36,7 @@
     ip_addresses: "{{ ipaserver_ip_addresses | default([]) }}"
     domain: "{{ ipaserver_domain | default(omit) }}"
     realm: "{{ ipaserver_realm | default(omit) }}"
-    hostname: "{{ ipaserver_hostname | default(ansible_fqdn) }}"
+    hostname: "{{ ipaserver_hostname | default(omit) }}"
     ca_cert_files: "{{ ipaserver_ca_cert_files | default(omit) }}"
     no_host_dns: "{{ ipaserver_no_host_dns }}"
     ### server ###