envs.py 文件源码

def update_hosts(self, hosts_info):  # pylint: disable=no-self-use
        """ Update hosts info """

        if not isinstance(hosts_info, dict):
            return api_utils.result_handler(
                status=1, data='Error, args should be a dict')

        for key, value in hosts_info.items():
            if key:
                try:
                    IPy.IP(value)
                except Exception:  # pylint: disable=broad-except
                    return api_utils.result_handler(
                        status=1, data='The IP %s is invalid' % value)
            else:
                return api_utils.result_handler(
                    status=1, data='Domain name is absent')

        try:
            functest_flag = "# SUT hosts info for Functest"
            hosts_list = ('\n{} {} {}'.format(ip, host_name, functest_flag)
                          for host_name, ip in hosts_info.items())

            with open("/etc/hosts", 'r') as file_hosts:
                origin_lines = [line for line in file_hosts
                                if functest_flag not in line]

            with open("/etc/hosts", 'w') as file_hosts:
                file_hosts.writelines(origin_lines)
                file_hosts.write(functest_flag)
                file_hosts.writelines(hosts_list)
        except Exception:  # pylint: disable=broad-except
            return api_utils.result_handler(
                status=1, data='Error when updating hosts info')
        else:
            return api_utils.result_handler(
                status=0, data='Update hosts info successfully')