Switch from pam_mount to a multiuser cifs mount

roles/ad_joined/templates/sssd.conf

@@ -29,6 +29,11 @@ default_shell = /bin/bash
 ldap_id_mapping = True
 use_fully_qualified_names = True
 full_name_format = %1$s@%3$s
-fallback_homedir = /home/%u@%d
+# fallback_homedir = /home/%u@%d
+fallback_homedir = /cifs_home/%u.%F
+subdomain_homedir = /cifs_home/%u.%F
 access_provider = ad
 krb5_ccname_template = FILE:%d/krb5cc_%U
+krb5_lifetime           =  86400
+krb5_renewable_lifetime = 604800
+krb5_renew_interval     =   7200