From f44ec39992cd794deed624c48b1f5dc22ac91213 Mon Sep 17 00:00:00 2001 From: Cédric Ollivier Date: Tue, 22 Aug 2017 15:01:10 +0200 Subject: Use dnsmasq to cache DNS queries MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It's mandatory for clearwater_ims as musl's resolver queries nameservers all in parallel and accepts whichever response arrives first [1]. [1] http://wiki.musl-libc.org/wiki/Functional_differences_from_glibc#Name_Resolver_.2F_DNS Change-Id: I01a17436279a0be2fac1b27b73052edc594c33e0 Signed-off-by: Cédric Ollivier --- functest/opnfv_tests/vnf/ims/clearwater_ims_base.py | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'functest') diff --git a/functest/opnfv_tests/vnf/ims/clearwater_ims_base.py b/functest/opnfv_tests/vnf/ims/clearwater_ims_base.py index 1c3f69c6..8851f7a4 100644 --- a/functest/opnfv_tests/vnf/ims/clearwater_ims_base.py +++ b/functest/opnfv_tests/vnf/ims/clearwater_ims_base.py @@ -10,7 +10,9 @@ import json import logging import os import pkg_resources +import shlex import shutil +import subprocess import time import requests @@ -109,18 +111,17 @@ class ClearwaterOnBoardingBase(vnf.VnfOnBoarding): bono_ip=None, ellis_ip=None, signup_code='secret'): self.logger.info('Run Clearwater live test') - nameservers = ft_utils.get_resolvconf_ns() - resolvconf = ['{0}{1}{2}'.format(os.linesep, 'nameserver ', ns) - for ns in nameservers] - self.logger.debug('resolvconf: %s', resolvconf) dns_file = '/etc/resolv.conf' dns_file_bak = '/etc/resolv.conf.bak' + self.logger.debug('Backup %s -> %s', dns_file, dns_file_bak) shutil.copy(dns_file, dns_file_bak) - script = ('echo -e "nameserver {0}{1}" > {2};' - 'cd {3};' - 'rake test[{4}] SIGNUP_CODE={5}' - .format(dns_ip, - ''.join(resolvconf), + cmd = ("dnsmasq -d -u root --server=/clearwater.opnfv/{0} " + "-r /etc/resolv.conf.bak".format(dns_ip)) + dnsmasq_process = subprocess.Popen(shlex.split(cmd)) + script = ('echo -e "nameserver {0}" > {1};' + 'cd {2};' + 'rake test[{3}] SIGNUP_CODE={4}' + .format('127.0.0.1', dns_file, self.test_dir, public_domain, @@ -135,7 +136,7 @@ class ClearwaterOnBoardingBase(vnf.VnfOnBoarding): ft_utils.execute_command(cmd, error_msg='Clearwater live test failed', output_file=output_file) - + dnsmasq_process.kill() with open(dns_file_bak, 'r') as bak_file: result = bak_file.read() with open(dns_file, 'w') as f: -- cgit 1.2.3-korg