diff options
| -rwxr-xr-x | roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh | 15 |
1 files changed, 10 insertions, 5 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 ced0fa663..c3d5efb9e 100755 --- a/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh +++ b/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh @@ -36,6 +36,7 @@ if [[ $2 =~ ^(up|dhcp4-change)$ ]]; then UPSTREAM_DNS_TMP=`mktemp` UPSTREAM_DNS_TMP_SORTED=`mktemp` CURRENT_UPSTREAM_DNS_SORTED=`mktemp` + NEW_RESOLV_CONF=`mktemp` ###################################################################### # couldn't find an existing method to determine if the interface owns the @@ -85,13 +86,17 @@ EOF systemctl restart dnsmasq fi - 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 + # Only if dnsmasq is running properly make it our only nameserver + if `systemctl -q is-active dnsmasq.service`; then + sed -e '/^nameserver.*$/d' /etc/resolv.conf > ${NEW_RESOLV_CONF} + echo "nameserver "${def_route_ip}"" >> ${NEW_RESOLV_CONF} + if ! grep -q '99-origin-dns.sh' ${NEW_RESOLV_CONF}; then + echo "# nameserver updated by /etc/NetworkManager/dispatcher.d/99-origin-dns.sh" >> ${NEW_RESOLV_CONF} + fi + cp -Z ${NEW_RESOLV_CONF} /etc/resolv.conf fi fi # Clean up after yourself - rm -f $UPSTREAM_DNS_TMP $UPSTREAM_DNS_TMP_SORTED $CURRENT_UPSTREAM_DNS_SORTED + rm -f $UPSTREAM_DNS_TMP $UPSTREAM_DNS_TMP_SORTED $CURRENT_UPSTREAM_DNS_SORTED $NEW_RESOLV_CONF fi |