plc.d/network

   1 #!/bin/bash
   2 #
   3 # priority: 100
   4 #
   5 # Manage network related configuration files
   6 #
   7 # Mark Huang <mlhuang@cs.princeton.edu>
   8 # Copyright (C) 2006 The Trustees of Princeton University
   9 #
  10 # $Id: network,v 1.4 2006/05/23 18:10:08 mlhuang Exp $
  11 #
  12
  13 # Source function library and configuration
  14 . /etc/plc.d/functions
  15 . /etc/planetlab/plc_config
  16
  17 # Be verbose
  18 set -x
  19
  20 case "$1" in
  21     start)
  22         MESSAGE=$"Generating network files"
  23         dialog "$MESSAGE"
  24
  25         # Minimal /etc/hosts
  26         echo "127.0.0.1 localhost.localdomain localhost" >/etc/hosts
  27         (
  28             for server in API BOOT WWW ; do
  29                 hostname=PLC_${server}_HOST
  30                 ip=PLC_${server}_IP
  31                 if [ -n "${!ip}" ] ; then
  32                     echo "${!ip}        ${!hostname}"
  33                 else
  34                     ip=$(gethostbyname ${!hostname})
  35                     if [ -n "$ip" ] ; then
  36                         echo "$ip       ${!hostname}"
  37                     fi
  38                 fi
  39             done
  40         ) >>/etc/hosts
  41
  42         # Set up nameservers
  43         (
  44             [ -n "$PLC_NET_DNS1" ] && echo "nameserver $PLC_NET_DNS1"
  45             [ -n "$PLC_NET_DNS2" ] && echo "nameserver $PLC_NET_DNS2"
  46         ) >/etc/resolv.conf
  47
  48         result "$MESSAGE"
  49         ;;
  50 esac
  51
  52 exit $ERRORS