def __update_logback_loglevel()

in ccmlib/node.py [0:0]

• 27 lines of code
• 10 McCabe index (conditional complexity)

    def __update_logback_loglevel(self, conf_file):
        # Setting the right log level - 2.2.2 introduced new debug log
        if self.get_cassandra_version() >= '2.2.2' and self.__global_log_level:
            if self.__global_log_level in ['DEBUG', 'TRACE']:
                root_log_level = self.__global_log_level
                cassandra_log_level = self.__global_log_level
            elif self.__global_log_level == 'INFO':
                root_log_level = self.__global_log_level
                cassandra_log_level = 'DEBUG'
            elif self.__global_log_level in ['WARN', 'ERROR']:
                root_log_level = 'INFO'
                cassandra_log_level = 'DEBUG'
                system_log_filter_pattern = '<level>.*</level>'
                common.replace_in_file(conf_file, system_log_filter_pattern, '      <level>' + self.__global_log_level + '</level>')
            elif self.__global_log_level == 'OFF':
                root_log_level = self.__global_log_level
                cassandra_log_level = self.__global_log_level

            cassandra_append_pattern = '<logger name="org.apache.cassandra" level=".*"/>'
            common.replace_in_file(conf_file, cassandra_append_pattern, '  <logger name="org.apache.cassandra" level="' + cassandra_log_level + '"/>')
        else:
            root_log_level = self.__global_log_level

        # Replace the global log level and org.apache.cassandra log level
        if self.__global_log_level is not None:
            root_append_pattern = '<root level=".*">'
            common.replace_in_file(conf_file, root_append_pattern, '<root level="' + root_log_level + '">')

        # Class specific log levels
        for class_name in self.__classes_log_level:
            logger_pattern = '\t<logger name="'
            full_logger_pattern = logger_pattern + class_name + '" level=".*"/>'
            common.replace_or_add_into_file_tail(conf_file, full_logger_pattern, logger_pattern + class_name + '" level="' + self.__classes_log_level[class_name] + '"/>')