vinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # defaults
   6 RAM=512
   7 DISK=20
   8 STORAGE_POOL=default
   9 QEMU_URI=qemu:///system
  10 SUITE=wheezy
  11 CONSOLE='console=tty0 console=ttyS0,115200n8'
  12
  13 while [ -n "$1" ]; do
  14   case "$1" in
  15     (-n|--name)
  16       shift
  17       if [ -z "$1" ]; then
  18         echo >&2 'E: --name/-n needs hostname argument'
  19         exit 1
  20       fi
  21       HOSTNAME="$1"
  22       ;;
  23     (-i|--ipaddress)
  24       shift
  25       if [ -z "$1" ]; then
  26         echo >&2 'E: --ipaddress/-i needs IP address/netmask'
  27         exit 1
  28       fi
  29       case "$1" in
  30         (*/*) :;;
  31         (*)
  32           echo >&2 'E: missing netmask'
  33           exit 1
  34           ;;
  35       esac
  36       IPADDRESS="$1"
  37       ;;
  38     (-r|--ram)
  39       shift
  40       if [ -z "$1" ]; then
  41         echo >&2 'E: --ram/-r needs number (megabytes)'
  42         exit 1
  43       fi
  44       RAM="$1"
  45       ;;
  46     (-s|--size)
  47       shift
  48       if [ -z "$1" ]; then
  49         echo >&2 'E: --size/-s needs size argument'
  50         exit 1
  51       fi
  52       DISK="$1"
  53       ;;
  54   esac
  55   shift
  56 done
  57
  58 if [ -z "${HOSTNAME:-}" ]; then
  59   echo >&2 'E: hostname is required'
  60   exit 2
  61 fi
  62
  63 BASEDIR=$(cd ${0%/*}; pwd)
  64
  65 tmpdir=$(mktemp -d)
  66 tar -C $BASEDIR/preseed/$SUITE -cf $tmpdir/commands.tar commands
  67
  68 extra_args="auto $CONSOLE \
  69 hostname=${HOSTNAME%%.*} \
  70 domain=${HOSTNAME#*.}"
  71
  72 if [ -n "$IPADDRESS" ]; then
  73   if [ -z "$GATEWAY" ]; then
  74     # default to the first IP in the network
  75     GATEWAY=$(ipcalc $IPADDRESS | grep HostMin | awk '{print $2}')
  76   fi
  77   NETMASK="${IPADDRESS#*/}"
  78   IPADDRESS="${IPADDRESS%/*}"
  79   : ${NAMESERVER:=$GATEWAY}
  80
  81   extra_args="$extra_args netcfg/disable_dhcp=true \
  82   netcfg/get_ipaddress=$IPADDRESS \
  83   netcfg/get_netmask=$NETMASK \
  84   netcfg/get_gateway=$GATEWAY \
  85   netcfg/get_nameservers=$NAMESERVER"
  86
  87 else
  88   extra_args="$extra_args netcfg/disable_dhcp=false"
  89 fi
  90
  91 cat >&2 <<_eof
  92   hostname: $HOSTNAME
  93        ram: $RAM MiB
  94       disk: $DISK GiB
  95    console: $CONSOLE
  96 _eof
  97 if [ -n "$IPADDRESS" ]; then
  98   cat >&2 <<_eof
  99  ipaddress: $IPADDRESS
 100    netmask: $NETMASK
 101    gateway: $GATEWAY
 102 nameserver: $NAMESERVER
 103 _eof
 104 else
 105   cat >&2 <<_eof
 106       dhcp: true
 107 _eof
 108 fi
 109
 110 exit 0
 111
 112 exec virt-install --connect=$QEMU_URI \
 113   -n $HOSTNAME \
 114   -r $RAM \
 115   --disk pool=default,size=$SIZE \
 116   -w bridge=virt-br \
 117   --graphics=vnc \
 118   --serial=pty \
 119   --watchdog i6300esb,action=reset \
 120   --os-variant=debian$SUITE \
 121   -l $BASEDIR/installer-amd64 \
 122   --initrd-inject=$BASEDIR/preseed/$SUITE/preseed.cfg \
 123   --initrd-inject=$tmpdir/commands.tar \
 124   --extra-args="$extra_args" \
 125   --autostart \
 126   "$@"