lib/ifup-bond

   1 #!/bin/sh
   2 #
   3 #    ifup-bond - bonding configuration script
   4 #    Copyright (C) 2014 Marcin Krol <hawk@tld-linux.org>
   5 #
   6 #    This program is free software; you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation; either version 2 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    This program is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with this program; if not, write to the Free Software
  18 #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 #
  20 #
  21 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  22
  23 . /etc/sysconfig/network
  24 . /etc/rc.d/init.d/functions
  25 . /lib/rc-scripts/functions.network
  26
  27 CONFIG=$1
  28 source_config
  29
  30 if [ "x${2}" = "xboot" ] && is_no "${ONBOOT}"; then
  31         exit
  32 fi
  33
  34 # check for bonding support
  35 if [ ! -f /sys/class/net/bonding_masters ]; then
  36         modprobe -s bonding || exit 1
  37         # delete default bond0
  38         echo "-bond0" > /sys/class/net/bonding_masters
  39 fi
  40
  41 # set all major variables
  42 setup_ip_param
  43
  44 # create bonding master
  45 if ! grep -wq "${DEVICE}" /sys/class/net/bonding_masters; then
  46         echo "+${DEVICE}" > /sys/class/net/bonding_masters
  47         if [ $? -eq 0 ]; then
  48                 ip link set dev ${DEVICE} multicast ${MULTICAST} ${ARP}
  49         else
  50                 exit 1
  51         fi
  52 fi
  53
  54 # add the bits to setup driver parameters here
  55 # taken from Fedora initscripts
  56 for arg in ${BONDING_OPTS} ; do
  57         key=${arg%%=*};
  58         value=${arg##*=};
  59         if [ "${key}" = "arp_ip_target" -a "${value:0:1}" != "+" ]; then
  60                 OLDIFS=$IFS;
  61                 IFS=',';
  62                 for arp_ip in $value; do
  63                         if ! grep -q $arp_ip /sys/class/net/${DEVICE}/bonding/$key; then
  64                                 echo +$arp_ip > /sys/class/net/${DEVICE}/bonding/$key
  65                         fi
  66                 done
  67                 IFS=$OLDIFS;
  68         elif [ "${key}" = "arp_ip_target" ]; then
  69                 if ! grep -q ${value#+} /sys/class/net/${DEVICE}/bonding/$key; then
  70                         echo "$value" > /sys/class/net/${DEVICE}/bonding/$key
  71                 fi
  72         elif [ "${key}" != "primary" ]; then
  73                 echo $value > /sys/class/net/${DEVICE}/bonding/$key
  74         fi
  75 done