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-rw-r--r--testcases/functest_utils.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/testcases/functest_utils.py b/testcases/functest_utils.py
index d9f43a79..e76ef991 100644
--- a/testcases/functest_utils.py
+++ b/testcases/functest_utils.py
@@ -19,6 +19,7 @@ import json
import shutil
import re
import yaml
+import socket
from git import Repo
@@ -694,8 +695,11 @@ def get_resolvconf_ns():
line = rconf.readline()
while line:
ip = re.search(r"\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b", line)
+ sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
if ip:
- nameservers.append(ip.group())
+ result = sock.connect_ex((ip.group(),53))
+ if result == 0:
+ nameservers.append(ip.group())
line = rconf.readline()
return nameservers