gistfile1.py

    def _write_mycnf(self, admin_password, config_location, config_contents):
        """
        Install the set of mysql my.cnf templates.
        Update the os_admin user and password to the my.cnf 
        file for direct login from localhost
        """
        LOG.info(_("Writing my.cnf templates."))
        if admin_password is None:
            admin_password = get_auth_password()

        tempfile = tempfile.NamedTemporaryFile()
        with tempfile as t:
            t.write(config_contents)
        self._write_temp_mycnf_with_admin_account(config_location,
                                                  tempfile.name,
                                                  admin_password)
        utils.execute_with_timeout("sudo", "mv", tempfile.name,
                                   config_location)