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#!/bin/sh
#
# This script can be called from a cronjob to automatically drop/release
# all public ip addresses if CTDBD has crashed or stopped running.
#
[ -z "$CTDB_BASE" ] && {
CTDB_BASE=/etc/ctdb
}
[ -z "$CTDB_PUBLIC_ADDRESSES" ] && {
CTDB_PUBLIC_ADDRESSES=$CTDB_BASE/public_addresses
}
[ ! -f "$CTDB_PUBLIC_ADDRESSES" ] && {
echo "No public addresses file found. Cant cleanup."
exit 1
}
# if ctdb is running, just return
ctdb status 2>/dev/null && {
exit 0
}
(cat /etc/sysconfig/ctdb | egrep "^CTDB_NATGW_PUBLIC_IP" | sed -e "s/.*=//" -e "s/\/.*//";cat "$CTDB_PUBLIC_ADDRESSES" | cut -d/ -f1) | while read _IP; do
_IP_HELD=`/sbin/ip addr show | grep "inet $_IP/"`
[ -z "$_IP_HELD" ] || {
_IFACE=`echo $_IP_HELD | sed -e "s/.*\s//"`
_NM=`echo $_IP_HELD | sed -e "s/.*$_IP\///" -e "s/\s.*//"`
logger "Removing public address $_IP/$_NM from device $_IFACE"
/sbin/ip addr del $_IP/$_NM dev $_IFACE
}
done
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