| #!/usr/bin/env bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| |
| usage() { |
| printf "Usage: %s: <path to new dnsmasq config file>\n" $(basename $0) >&2 |
| } |
| |
| set -x |
| #backup the old config file |
| cp /etc/dnsmasq.conf /etc/dnsmasq.conf.bak |
| |
| #apply the new confg |
| echo $1 |
| cp $1 /etc/dnsmasq.conf |
| |
| #restart the dnsmasq |
| service dnsmasq restart |
| result=$? |
| if [ "$result" -ne "0" ] |
| then |
| echo "could not configure dnsmasq" |
| echo "reverting to the old config" |
| cp /etc/dnsmasq.config.bak /etc/dnsmasq.conf |
| service dnsmasq restart |
| exit 2 |
| fi |
| rm $1 |
| echo "success" |