mirror of
https://github.com/apache/cloudstack.git
synced 2025-10-26 08:42:29 +01:00
64 lines
1.8 KiB
Bash
64 lines
1.8 KiB
Bash
#!/bin/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.
|
|
|
|
# used as a proxy to call script inside virtual router
|
|
|
|
#set -x
|
|
|
|
ip=$1
|
|
netmask=$2
|
|
mtu=$3
|
|
timeout=$4
|
|
|
|
i=0
|
|
|
|
get_interface() {
|
|
for i in `seq 1 $(($timeout))`
|
|
do
|
|
#inf=$(ip route list ${1}/${2} | awk '{print $3}')
|
|
inf=$(ip addr show|egrep '^ *inet'|grep ${1}/${2} |grep brd|awk -- '{ print $NF; }')
|
|
if [ ! -z $inf ]; then
|
|
echo $inf
|
|
break
|
|
fi
|
|
sleep 0.1
|
|
done
|
|
}
|
|
|
|
|
|
interfaceName=$(get_interface $ip $netmask)
|
|
echo $interfaceName
|
|
if [ ! -z $interfaceName ]; then
|
|
state=$(cat /sys/class/net/${interfaceName}/operstate)
|
|
if [[ "$state" == "up" ]]; then
|
|
ifconfig $interfaceName mtu $mtu up
|
|
else
|
|
ifconfig $interfaceName mtu $mtu
|
|
fi
|
|
if grep "dhcp-option=$interfaceName,26" /etc/dnsmasq.d/cloud.conf; then
|
|
sed -i "/dhcp-option=$interfaceName,26/c\dhcp-option=$interfaceName,26,$mtu" /etc/dnsmasq.d/cloud.conf
|
|
else
|
|
echo "dhcp-option=$interfaceName,26,$mtu" >> /etc/dnsmasq.d/cloud.conf
|
|
fi
|
|
systemctl restart dnsmasq
|
|
exit $?
|
|
fi
|
|
|
|
echo "Interface with IP ${ip} not found"
|
|
exit 1
|