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     (-g|--gateway)
  39       shift
  40       if [ -z "$1" ]; then
  41         echo >&2 'E: --gateway/-g needs IP address'
  42         exit 1
  43       fi
  44       GATEWAY="$1"
  45       ;;
  46     (-r|--ram)
  47       shift
  48       if [ -z "$1" ]; then
  49         echo >&2 'E: --ram/-r needs number (megabytes)'
  50         exit 1
  51       fi
  52       RAM="$1"
  53       ;;
  54     (-s|--size)
  55       shift
  56       if [ -z "$1" ]; then
  57         echo >&2 'E: --size/-s needs size argument'
  58         exit 1
  59       fi
  60       DISK="$1"
  61       ;;
  62   esac
  63   shift
  64 done
  65
  66 if [ -z "${HOSTNAME:-}" ]; then
  67   echo >&2 'E: hostname is required'
  68   exit 2
  69 fi
  70
  71 BASEDIR=$(cd ${0%/*}; pwd)
  72
  73 tmpdir=$(mktemp -d)
  74 tar -C $BASEDIR/preseed/$SUITE -cf $tmpdir/commands.tar commands
  75
  76 extra_args="auto $CONSOLE \
  77 hostname=${HOSTNAME%%.*} \
  78 domain=${HOSTNAME#*.}"
  79
  80 if [ -n "$IPADDRESS" ]; then
  81   if [ -z "$GATEWAY" ] && [ -x $(command -v ipcalc) ]; then
  82     # default to the first IP in the network
  83     GATEWAY=$(ipcalc $IPADDRESS | grep HostMin | awk '{print $2}')
  84   fi
  85   NETMASK="${IPADDRESS#*/}"
  86   IPADDRESS="${IPADDRESS%/*}"
  87   : ${NAMESERVER:=$GATEWAY}
  88
  89   extra_args="$extra_args netcfg/disable_dhcp=true \
  90   netcfg/get_ipaddress=$IPADDRESS \
  91   netcfg/get_netmask=$NETMASK \
  92   netcfg/get_gateway=$GATEWAY \
  93   netcfg/get_nameservers=$NAMESERVER"
  94
  95 else
  96   extra_args="$extra_args netcfg/disable_dhcp=false"
  97 fi
  98
  99 cat >&2 <<_eof
 100   hostname: $HOSTNAME
 101        ram: $RAM MiB
 102       disk: $DISK GiB
 103    console: $CONSOLE
 104 _eof
 105 if [ -n "$IPADDRESS" ]; then
 106   cat >&2 <<_eof
 107  ipaddress: $IPADDRESS
 108    netmask: $NETMASK
 109    gateway: $GATEWAY
 110 nameserver: $NAMESERVER
 111 _eof
 112 else
 113   cat >&2 <<_eof
 114       dhcp: true
 115 _eof
 116 fi
 117
 118 exit 0
 119
 120 exec virt-install --connect=$QEMU_URI \
 121   -n $HOSTNAME \
 122   -r $RAM \
 123   --disk pool=default,size=$SIZE \
 124   -w bridge=virt-br \
 125   --graphics=vnc \
 126   --serial=pty \
 127   --watchdog i6300esb,action=reset \
 128   --os-variant=debian$SUITE \
 129   -l $BASEDIR/installer-amd64 \
 130   --initrd-inject=$BASEDIR/preseed/$SUITE/preseed.cfg \
 131   --initrd-inject=$tmpdir/commands.tar \
 132   --extra-args="$extra_args" \
 133   --autostart \
 134   "$@"