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https://github.com/apache/cloudstack.git
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164 lines
3.4 KiB
Bash
Executable File
164 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2012 Citrix Systems, Inc. Licensed under the
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# Apache License, Version 2.0 (the "License"); you may not use this
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# file except in compliance with the License. Citrix Systems, Inc.
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# reserves all rights not expressly granted by the License.
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# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Automatically generated by addcopyright.py at 04/03/2012
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# ipassoc.sh -- associate/disassociate a public ip with an instance
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# @VERSION@
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source /root/func.sh
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lock="biglock"
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locked=$(getLockFile $lock)
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if [ "$locked" != "1" ]
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then
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exit 1
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fi
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usage() {
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printf "Usage:\n %s -A -l <public-ip-address> -c <dev> [-f] \n" $(basename $0) >&2
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printf " %s -D -l <public-ip-address> -c <dev> [-f] \n" $(basename $0) >&2
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}
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add_routing() {
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logger -t cloud "$(basename $0):Add routing $pubIp on interface $ethDev"
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local tableName="Table_$ethDev"
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sudo ip route add $subnet/$mask dev $ethDev table $tableName proto static
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sudo ip route add default via $defaultGwIP table $tableName proto static
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sudo ip route flush cache
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sudo ip route | grep default
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if [ $? -gt 0 ]
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then
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sudo ip route add default via $defaultGwIP
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fi
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return 0
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}
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remove_routing() {
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return 0
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}
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add_an_ip () {
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logger -t cloud "$(basename $0):Adding ip $pubIp on interface $ethDev"
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sudo ip link show $ethDev | grep "state DOWN" > /dev/null
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local old_state=$?
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sudo ip addr add dev $ethDev $pubIp/$mask brd +
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if [ $old_state -eq 0 ]
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then
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sudo ip link set $ethDev up
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sudo arping -c 3 -I $ethDev -A -U -s $pubIp $pubIp
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fi
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local tableNo=${ethDev:3}
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sudo iptables-save -t mangle | grep "PREROUTING -i $ethDev -m state --state NEW -j CONNMARK --set-xmark" 2>/dev/null
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if [ $? -gt 0 ]
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then
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sudo iptables -t mangle -A PREROUTING -i $ethDev -m state --state NEW -j CONNMARK --set-mark $tableNo 2>/dev/null
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fi
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add_routing
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return $?
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}
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remove_an_ip () {
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logger -t cloud "$(basename $0):Removing ip $pubIp on interface $ethDev"
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local existingIpMask=$(sudo ip addr show dev $ethDev | grep -v "inet6" | grep "inet " | awk '{print $2}')
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sudo ip addr del dev $ethDev $pubIp/$mask
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# reapply IPs in this interface
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for ipMask in $existingIpMask
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do
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if [ "$ipMask" == "$pubIp/$mask" ]
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then
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continue
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fi
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sudo ip addr add dev $ethDev $ipMask brd +
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done
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remove_routing
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return 0
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}
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#set -x
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lflag=0
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cflag=0
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gflag=0
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mflag=0
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nflag=0
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op=""
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while getopts 'ADl:c:g:m:n:' OPTION
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do
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case $OPTION in
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A) Aflag=1
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op="-A"
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;;
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D) Dflag=1
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op="-D"
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;;
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l) lflag=1
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pubIp="$OPTARG"
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;;
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c) cflag=1
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ethDev="$OPTARG"
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;;
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g) gflag=1
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defaultGwIP="$OPTARG"
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;;
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m) mflag=1
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mask="$OPTARG"
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;;
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n) nflag=1
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subnet="$OPTARG"
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;;
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?) usage
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unlock_exit 2 $lock $locked
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;;
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esac
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done
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if [ "$Aflag$Dflag" != "1" ]
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then
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usage
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unlock_exit 2 $lock $locked
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fi
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if [ "$lflag$cflag$gflag$mflag$nflag" != "11111" ]
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then
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usage
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unlock_exit 2 $lock $locked
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fi
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if [ "$Aflag" == "1" ]
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then
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add_an_ip
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unlock_exit $? $lock $locked
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fi
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if [ "$Dflag" == "1" ]
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then
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remove_an_ip
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unlock_exit $? $lock $locked
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fi
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unlock_exit 1 $lock $locked
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