def METHOD_NAME():
    ansible_module = AnsibleModule(
        argument_spec=dict(
            # server
            setup_kra=dict(required=True, type='bool'),
            # additional
            config_master_host_name=dict(required=True, type='str'),
            ccache=dict(required=True, type='str'),
            installer_ccache=dict(required=True, type='str'),
            _top_dir=dict(required=True, type='str'),
        ),
        supports_check_mode=False,
    )
    ansible_module._ansible_debug = True
    check_imports(ansible_module)
    setup_logging()
    ansible_log = AnsibleModuleLog(ansible_module)
    # get parameters #
    options = installer
    # server
    options.setup_kra = ansible_module.params.get('setup_kra')
    # additional
    config_master_host_name = ansible_module.params.get(
        'config_master_host_name')
    ccache = ansible_module.params.get('ccache')
    os.environ['KRB5CCNAME'] = ccache
    options._ccache = ansible_module.params.get('installer_ccache')
    # os.environ['KRB5CCNAME'] = ansible_module.params.get('installer_ccache')
    options._top_dir = ansible_module.params.get('_top_dir')
    # init #
    ansible_log.debug("== INSTALLER ==")
    options = installer
    env = gen_env_boostrap_finalize_core(paths.ETC_IPA,
                                         constants.DEFAULT_CONFIG)
    api_bootstrap_finalize(env)
    # config = gen_ReplicaConfig()
    remote_api = gen_remote_api(config_master_host_name, paths.ETC_IPA)
    # installer._remote_api = remote_api
    conn = remote_api.Backend.ldap2
    ccache = os.environ['KRB5CCNAME']
    ansible_log.debug("-- HOSTGROUP_ADD_MEMBER --")
    try:
        ansible_log.debug("-- CONNECT --")
        conn.connect(ccache=installer._ccache)
        remote_api.Command['hostgroup_add_member'](
            u'ipaservers',
            host=[unicode(api.env.host)],
        )
    finally:
        if conn.isconnected():
            ansible_log.debug("-- DISCONNECT --")
            conn.disconnect()
        os.environ['KRB5CCNAME'] = ccache
    # done #
    ansible_module.exit_json(changed=True)