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 NETFILE=/etc/sysconfig/network
  25 HOSTFILE=/etc/hosts
  26
  27 function setup6_network
  28 {
  29         [ "${IPV6}" != "yes" ] && return 0
  30
  31         if ! grep -q 'IPV6INIT="yes"' ${IFCFG}; then
  32                 put_param ${IFCFG} IPV6INIT yes
  33         fi
  34         if ! grep -q 'IPV6_NETWORKING=yes' ${NETFILE}; then
  35                 put_param ${NETFILE} IPV6_NETWORKING yes
  36                 put_param ${NETFILE} IPV6_GLOBALROUTEDEV ${VENET_DEV}
  37                 NETWORKRESTART=yes
  38         fi
  39 }
  40
  41 function get_aliases()
  42 {
  43         IFNUMLIST=
  44
  45         [ -f ${IFCFG} ] || return
  46         IFNUMLIST=`grep -e "^IPADDR" ${IFCFG} | sed 's/^IPADDR\(.*\)=.*/\1/'`
  47 }
  48
  49 function init_config()
  50 {
  51
  52         mkdir -p ${IFCFG_DIR}
  53         echo "DEVICE=venet0
  54 ONBOOT=yes
  55 BOOTPROTO=static
  56 BROADCAST=0.0.0.0
  57 NETMASK=255.255.255.255
  58 IPADDR=127.0.0.1" > ${IFCFG} ||
  59         error "Can't write to file ${IFCFG}" ${VZ_FS_NO_DISK_SPACE}
  60
  61         put_param $NETFILE NETWORKING yes
  62         put_param $NETFILE GATEWAY ${FAKEGATEWAY}
  63
  64         # setup ipv6
  65         setup6_network
  66
  67         # Set up /etc/hosts
  68         if [ ! -f ${HOSTFILE} ]; then
  69                 echo "127.0.0.1 localhost.localdomain localhost" > $HOSTFILE
  70         fi
  71
  72 }
  73
  74 function create_config()
  75 {
  76         local ip=$1
  77         local ifnum=$2
  78
  79 #LABEL_${ifnum}=${ifnum}" >> ${IFCFG} ||
  80         echo "IPADDR${ifnum}=${ip}" >> ${IFCFG} || error "Can't write to file ${IFCFG}" ${VZ_FS_NO_DISK_SPACE}
  81 }
  82
  83 function add_ip()
  84 {
  85         local ipm
  86         local ifnum=0
  87         local found
  88
  89         if [ "x${VE_STATE}" = "xstarting" ]; then
  90                 if [ -n "${IP_ADDR}" ]; then
  91                         init_config
  92                 elif grep -q "^IPADDR" ${IFCFG}; then
  93                         init_config
  94                 fi
  95         elif [ "x${IPDELALL}" = "xyes" ]; then
  96                 init_config
  97         elif [ ! -f "${IFCFG}" ]; then
  98                 init_config
  99         fi
 100
 101         get_aliases
 102         for ipm in ${IP_ADDR}; do
 103                 ip_conv $ipm
 104                 found=
 105                 if grep -q -w "${_IP}" ${IFCFG}; then
 106                         continue
 107                 fi
 108                 while test -z ${found}; do
 109                         let ifnum++
 110                         if ! echo "${IFNUMLIST}" | grep -w -q "${ifnum}"; then
 111                                 found=1
 112                         fi
 113                 done
 114                 if echo ${_IP} | grep -q ':' ; then
 115                         setup6_network
 116                 fi
 117                 create_config ${_IP} ${ifnum}
 118         done
 119         if [ "x${VE_STATE}" = "xrunning" ]; then
 120                 ifdown $VENET_DEV  >/dev/null 2>&1
 121                 ifup $VENET_DEV  >/dev/null 2>&1
 122         fi
 123 }
 124
 125 add_ip
 126
 127 exit 0
 128 # end of script