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-rwxr-xr-xroles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh7
1 files changed, 5 insertions, 2 deletions
diff --git a/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh b/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh
index 51a43d113..5a187710b 100755
--- a/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh
+++ b/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh
@@ -47,11 +47,14 @@ EOF
# zero out our upstream servers list and feed it into dnsmasq
echo -n > /etc/dnsmasq.d/origin-upstream-dns.conf
for ns in ${IP4_NAMESERVERS}; do
- echo "server=${ns}" >> /etc/dnsmasq.d/origin-upstream-dns.conf
+ if [[ ! -z $ns ]]; then
+ echo "server=${ns}" >> /etc/dnsmasq.d/origin-upstream-dns.conf
+ fi
done
systemctl restart dnsmasq
- sed -i 's/^nameserver.*$/nameserver '"${def_route_ip}"'/g' /etc/resolv.conf
+ sed -i '0,/^nameserver/ s/^nameserver.*$/nameserver '"${def_route_ip}"'/g' /etc/resolv.conf
+
if ! grep -q '99-origin-dns.sh' /etc/resolv.conf; then
echo "# nameserver updated by /etc/NetworkManager/dispatcher.d/99-origin-dns.sh" >> /etc/resolv.conf
fi