sed -i "s/dns_list:.*/dns_list: 8.8.8.8/" onap_openstack.env
sed -i "s/external_dns:.*/external_dns: 8.8.8.8/" onap_openstack.env
sed -i "s/dns_list:.*/dns_list: 8.8.8.8/" onap_openstack.env
sed -i "s/external_dns:.*/external_dns: 8.8.8.8/" onap_openstack.env