-awk '
-($1=="lease" && $3=="{"){ lease=$2; active="no"; found="no" }
-($1=="binding" && $2=="state" && $3=="active;"){ active="yes" }
-($1=="hardware" && $2=="ethernet" && $3==tolower("'$1';")){ found="yes" }
-($1=="client-hostname"){ name=$2 }
-($1=="}"){ if (active=="yes" && found=="yes"){ target_lease=lease; target_name=name}}
-END{printf("%s", target_lease)} #print target_name
-' /var/lib/dhcp/dhcpd.leases
+##
+# Copyright 2016 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openvim
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##