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 1.3 2006/05/16 17:09:34 mlhuang Exp $
  11 #
  12
  13 # Source function library and configuration
  14 . /etc/plc.d/functions
  15 . /etc/planetlab/plc_config
  16
  17 case "$1" in
  18     start)
  19         MESSAGE=$"Generating network files"
  20         dialog "$MESSAGE"
  21
  22         # Minimal /etc/hosts
  23         echo "127.0.0.1 localhost.localdomain localhost" >/etc/hosts
  24         (
  25             for server in API BOOT WWW ; do
  26                 hostname=PLC_${server}_HOST
  27                 ip=PLC_${server}_IP
  28                 if [ -n "${!ip}" ] ; then
  29                     echo "${!ip}        ${!hostname}"
  30                 else
  31                     ip=$(gethostbyname ${!hostname})
  32                     if [ -n "$ip" ] ; then
  33                         echo "$ip       ${!hostname}"
  34                     fi
  35                 fi
  36             done
  37         ) >>/etc/hosts
  38
  39         # Set up nameservers
  40         (
  41             [ -n "$PLC_NET_DNS1" ] && echo "nameserver $PLC_NET_DNS1"
  42             [ -n "$PLC_NET_DNS2" ] && echo "nameserver $PLC_NET_DNS2"
  43         ) >/etc/resolv.conf
  44
  45         result "$MESSAGE"
  46         ;;
  47 esac
  48
  49 exit $ERRORS