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     (-d|--dns)
  39       shift
  40       if [ -z "$1" ]; then
  41         echo >&2 'E: --dns/-d needs IP address'
  42         exit 1
  43       fi
  44       NAMESERVER="$1"
  45       ;;
  46     (-g|--gateway)
  47       shift
  48       if [ -z "$1" ]; then
  49         echo >&2 'E: --gateway/-g needs IP address'
  50         exit 1
  51       fi
  52       GATEWAY="$1"
  53       ;;
  54     (-r|--ram)
  55       shift
  56       if [ -z "$1" ]; then
  57         echo >&2 'E: --ram/-r needs number (megabytes)'
  58         exit 1
  59       fi
  60       RAM="$1"
  61       ;;
  62     (-s|--size)
  63       shift
  64       if [ -z "$1" ]; then
  65         echo >&2 'E: --size/-s needs size argument'
  66         exit 1
  67       fi
  68       DISK="$1"
  69       ;;
  70   esac
  71   shift
  72 done
  73
  74 if [ -z "${HOSTNAME:-}" ]; then
  75   echo >&2 'E: hostname is required'
  76   exit 2
  77 fi
  78
  79 BASEDIR=$(cd ${0%/*}; pwd)
  80
  81 tmpdir=$(mktemp -d)
  82 tar -C $BASEDIR/preseed/$SUITE -cf $tmpdir/commands.tar commands
  83
  84 extra_args="auto $CONSOLE \
  85 hostname=${HOSTNAME%%.*} \
  86 domain=${HOSTNAME#*.}"
  87
  88 if [ -n "$IPADDRESS" ]; then
  89   if [ -z "$GATEWAY" ] && [ -x $(command -v ipcalc) ]; then
  90     # default to the first IP in the network
  91     GATEWAY=$(ipcalc $IPADDRESS | grep HostMin | awk '{print $2}')
  92   fi
  93   NETMASK="${IPADDRESS#*/}"
  94   IPADDRESS="${IPADDRESS%/*}"
  95   : ${NAMESERVER:=$GATEWAY}
  96
  97   extra_args="$extra_args netcfg/disable_dhcp=true \
  98   netcfg/get_ipaddress=$IPADDRESS \
  99   netcfg/get_netmask=$NETMASK \
 100   netcfg/get_gateway=$GATEWAY \
 101   netcfg/get_nameservers=$NAMESERVER"
 102
 103   BRIDGE=wan
 104
 105 else
 106   extra_args="$extra_args netcfg/disable_dhcp=false"
 107   BRIDGE=virt-br
 108 fi
 109
 110 cat >&2 <<_eof
 111   hostname: $HOSTNAME
 112        ram: $RAM MiB
 113       disk: $DISK GiB
 114    console: $CONSOLE
 115 net bridge: $BRIDGE
 116 _eof
 117 if [ -n "$IPADDRESS" ]; then
 118   cat >&2 <<_eof
 119  ipaddress: $IPADDRESS
 120    netmask: $NETMASK
 121    gateway: $GATEWAY
 122 nameserver: $NAMESERVER
 123 _eof
 124 else
 125   cat >&2 <<_eof
 126       dhcp: true
 127 _eof
 128 fi
 129
 130 exit 0
 131
 132 exec virt-install --connect=$QEMU_URI \
 133   -n $HOSTNAME \
 134   -r $RAM \
 135   --disk vol=$STORAGE_POOL/virt-$HOSTNAME \
 136   -w bridge=$BRIDGE \
 137   --graphics=vnc \
 138   --serial=pty \
 139   --watchdog i6300esb,action=reset \
 140   --os-variant=debian$SUITE \
 141   -l $BASEDIR/installer-amd64 \
 142   --initrd-inject=$BASEDIR/preseed/$SUITE/preseed.cfg \
 143   --initrd-inject=$tmpdir/commands.tar \
 144   --extra-args="$extra_args" \
 145   --autostart \
 146   "$@"