add server short name along with fqdn to the .pgpass auth file

Author: Anthony Caetano

templates/pgpass.j2

@@ -1,4 +1,6 @@
 {% for server in groups[repmgr_target_group] | sort %}
-{{ server }}:{{postgresql_port}}:{{repmgr_database}}:{{repmgr_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
-{{ server }}:{{postgresql_port}}:replication:{{repmgr_replication_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
+{{ server                                          }}:{{postgresql_port}}:{{repmgr_database}}:{{repmgr_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
+{{ server | regex_replace('^([^.]*)\.?.*$', '\\1') }}:{{postgresql_port}}:{{repmgr_database}}:{{repmgr_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
+{{ server                                          }}:{{postgresql_port}}:replication:{{repmgr_replication_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
+{{ server | regex_replace('^([^.]*)\.?.*$', '\\1') }}:{{postgresql_port}}:replication:{{repmgr_replication_user}}:{% for user in postgresql_users if user['name'] == repmgr_user %}{{user['pass']}}{% endfor %}
 {% endfor %}