pld-add_ip.sh

   1 #!/bin/bash
   2 #  Copyright (C) 2000-2008, Parallels, Inc. All rights reserved.
   3 #
   4 #  This program is free software; you can redistribute it and/or modify
   5 #  it under the terms of the GNU General Public License as published by
   6 #  the Free Software Foundation; either version 2 of the License, or
   7 #  (at your option) any later version.
   8 #
   9 #  This program is distributed in the hope that it will be useful,
  10 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #  GNU General Public License for more details.
  13 #
  14 #  You should have received a copy of the GNU General Public License
  15 #  along with this program; if not, write to the Free Software
  16 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17 #
  18 #
  19 # Adds IP address(es) in a container running SuSE.
  20
  21 VENET_DEV=venet0
  22 IFCFG_DIR=/etc/sysconfig/interfaces/
  23 IFCFG=${IFCFG_DIR}/ifcfg-${VENET_DEV}
  24 #ROUTES=${IFCFG_DIR}/ifroute-${VENET_DEV}
  25 HOSTFILE=/etc/hosts
  26
  27 function get_aliases()
  28 {
  29         IFNUMLIST=
  30
  31         [ -f ${IFCFG} ] || return
  32         IFNUMLIST=`grep -e "^IPADDR" ${IFCFG} | sed 's/^IPADDR\(.*\)=.*/\1/'`
  33 }
  34
  35 function init_config()
  36 {
  37
  38         mkdir -p ${IFCFG_DIR}
  39         echo "DEVICE=venet0
  40 ONBOOT=yes
  41 BOOTPROTO=static
  42 BROADCAST=0.0.0.0
  43 NETMASK=255.255.255.255
  44 IPADDR=127.0.0.1" > ${IFCFG} ||
  45         error "Can't write to file ${IFCFG}" ${VZ_FS_NO_DISK_SPACE}
  46
  47         # Set up /etc/hosts
  48         if [ ! -f ${HOSTFILE} ]; then
  49                 echo "127.0.0.1 localhost.localdomain localhost" > $HOSTFILE
  50         fi
  51 }
  52
  53 function create_config()
  54 {
  55         local ip=$1
  56         local ifnum=$2
  57
  58 #LABEL_${ifnum}=${ifnum}" >> ${IFCFG} ||
  59         echo "IPADDR${ifnum}=${ip}" >> ${IFCFG} || error "Can't write to file ${IFCFG}" ${VZ_FS_NO_DISK_SPACE}
  60 }
  61
  62 function add_ip()
  63 {
  64         local ipm
  65         local ifnum=0
  66         local found
  67
  68         if [ "x${VE_STATE}" = "xstarting" ]; then
  69                 if [ -n "${IP_ADDR}" ]; then
  70                         init_config
  71                 elif grep -q "^IPADDR" ${IFCFG}; then
  72                         init_config
  73                 fi
  74         elif [ "x${IPDELALL}" = "xyes" ]; then
  75                 init_config
  76         elif [ ! -f "${IFCFG}" ]; then
  77                 init_config
  78         fi
  79
  80         get_aliases
  81         for ipm in ${IP_ADDR}; do
  82                 ip_conv $ipm
  83                 found=
  84                 if grep -q -w "${_IP}" ${IFCFG}; then
  85                         continue
  86                 fi
  87                 while test -z ${found}; do
  88                         let ifnum++
  89                         if ! echo "${IFNUMLIST}" | grep -w -q "${ifnum}"; then
  90                                 found=1
  91                         fi
  92                 done
  93                 create_config ${_IP} ${ifnum}
  94         done
  95         if [ "x${VE_STATE}" = "xrunning" ]; then
  96                 ifdown $VENET_DEV  >/dev/null 2>&1
  97                 ifup $VENET_DEV  >/dev/null 2>&1
  98         fi
  99 }
 100
 101 add_ip
 102
 103 exit 0
 104 # end of script