vinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # defaults
   6 RAM=512
   7 DISK=20
   8 QEMU_URI=qemu:///system
   9 SUITE=wheezy
  10 CONSOLE='console=tty0 console=ttyS0,115200n8'
  11
  12 while [ -n "$1" ]; do
  13   case "$1" in
  14     (-n|--name)
  15       shift
  16       if [ -z "$1" ]; then
  17         echo >&2 'E: --name/-n needs hostname argument'
  18         exit 1
  19       fi
  20       HOSTNAME="$1"
  21       ;;
  22     (-i|--ipaddress)
  23       shift
  24       if [ -z "$1" ]; then
  25         echo >&2 'E: --ipaddress/-i needs IP address/netmask'
  26         exit 1
  27       fi
  28       case "$1" in
  29         (*/*) :;;
  30         (*)
  31           echo >&2 'E: missing netmask'
  32           exit 1
  33           ;;
  34       esac
  35       IPADDRESS="$1"
  36       ;;
  37     (-r|--ram)
  38       shift
  39       if [ -z "$1" ]; then
  40         echo >&2 'E: --ram/-r needs number (megabytes)'
  41         exit 1
  42       fi
  43       RAM="$1"
  44       ;;
  45     (-s|--size)
  46       shift
  47       if [ -z "$1" ]; then
  48         echo >&2 'E: --size/-s needs size argument'
  49         exit 1
  50       fi
  51       DISK="$1"
  52       ;;
  53   esac
  54   shift
  55 done
  56
  57 if [ -z "${HOSTNAME:-}" ]; then
  58   echo >&2 'E: hostname is required'
  59   exit 2
  60 fi
  61
  62 BASEDIR=$(cd ${0%/*}; pwd)
  63
  64 tmpdir=$(mktemp -d)
  65 tar -C $BASEDIR/preseed/$SUITE -cf $tmpdir/commands.tar commands
  66
  67 extra_args="auto $CONSOLE \
  68 hostname=${HOSTNAME%%.*} \
  69 domain=${HOSTNAME#*.}"
  70
  71 if [ -n "$IPADDRESS" ]; then
  72   if [ -z "$GATEWAY" ]; then
  73     # default to the first IP in the network
  74     GATEWAY=$(ipcalc $IPADDRESS | grep HostMin | awk '{print $2}')
  75   fi
  76   NETMASK="${IPADDRESS#*/}"
  77   IPADDRESS="${IPADDRESS%/*}"
  78   : ${NAMESERVER:=$GATEWAY}
  79
  80   extra_args="$extra_args netcfg/disable_dhcp=true \
  81   netcfg/get_ipaddress=$IPADDRESS \
  82   netcfg/get_netmask=$NETMASK \
  83   netcfg/get_gateway=$GATEWAY \
  84   netcfg/get_nameservers=$NAMESERVER"
  85
  86 else
  87   extra_args="$extra_args netcfg/disable_dhcp=false"
  88 fi
  89
  90 cat >&2 <<_eof
  91   hostname: $HOSTNAME
  92        ram: $RAM MiB
  93       disk: $DISK GiB
  94    console: $CONSOLE
  95 _eof
  96 if [ -n "$IPADDRESS" ]; then
  97   cat >&2 <<_eof
  98  ipaddress: $IPADDRESS
  99    netmask: $NETMASK
 100    gateway: $GATEWAY
 101 nameserver: $NAMESERVER
 102 _eof
 103 else
 104   cat >&2 <<_eof
 105       dhcp: true
 106 _eof
 107 fi
 108
 109 exit 0
 110
 111 exec virt-install --connect=$QEMU_URI \
 112   -n $HOSTNAME \
 113   -r $RAM \
 114   --disk pool=default,size=$SIZE \
 115   -w bridge=virt-br \
 116   --graphics=vnc \
 117   --serial=pty \
 118   --watchdog i6300esb,action=reset \
 119   --os-variant=debian$SUITE \
 120   -l $BASEDIR/installer-amd64 \
 121   --initrd-inject=$BASEDIR/preseed/$SUITE/preseed.cfg \
 122   --initrd-inject=$tmpdir/commands.tar \
 123   --extra-args="$extra_args" \
 124   --autostart \
 125   "$@"