invirt-admin

   1 #!/bin/bash
   2
   3 set -e
   4
   5 usage () {
   6     echo "usage:"
   7     echo "invirt-admin create-sysvm {options}"
   8     echo "  required options: --name, --fs-size, --swap-size, --memory,"
   9     echo "    --hostname, --ip, --mac, --arch, --dist, --mirror"
  10     echo
  11     echo "  fs-size, swap-size, memory in MiB"
  12     echo "  fs-size + swap-size will be total disk-image size"
  13     exit 2
  14 }
  15
  16 if [ create-sysvm != "$1" ]; then
  17     usage
  18 fi
  19 shift
  20
  21 vg=xenvg
  22 while [ $# -gt 0 ]; do
  23     case "$1" in
  24         --vg)        vg=$2;        shift 2;;
  25         --name)      name=$2;      shift 2;;
  26         --fs-size)   fs_size=$2;   shift 2;;
  27         --swap-size) swap_size=$2; shift 2;;
  28         --memory)    memory=$2;    shift 2;;
  29         --hostname)  hostname=$2;  shift 2;;
  30         --ip)        ip=$2;        shift 2;;
  31         --mac)       mac=$2;       shift 2;;
  32         --arch)      arch=$2;      shift 2;;
  33         --dist)      dist=$2;      shift 2;;
  34         --mirror)    mirror=$2;    shift 2;;
  35     esac
  36 done
  37 if [ -z "$name" ]; then
  38     usage
  39 fi
  40 disk_size=$(( $fs_size + $swap_size ))
  41
  42
  43 lvcreate "$vg" --name "s_${name}_hda" --size "$disk_size"m
  44
  45 # XXX breaks if $name has dashes
  46 TARGET=/dev/mapper/$vg-s_${name}_hda FSSIZE=$fs_size \
  47 ARCH=$arch DIST=$dist MIRROR=$mirror \
  48 HOSTNAME=$hostname IP=$ip \
  49  invirt-create-image
  50
  51 cat >/etc/xen/sysvms/s_$name <<EOF
  52 import os
  53
  54 release     = os.uname()[2]
  55 kernel      = '/boot/vmlinuz-%s' % release
  56 ramdisk     = '/boot/initrd.img-%s' % release
  57 memory      = '$memory'
  58
  59 disk        = ['phy:$vg/s_${name}_hda,hda,w']
  60
  61 name        = 's_$name'
  62
  63 vif         = [ 'ip=$ip,mac=$mac' ]
  64
  65 on_poweroff = 'destroy'
  66 on_reboot   = 'restart'
  67 on_crash    = 'restart'
  68
  69 root = "/dev/hda1 ro"
  70 extra = '2 console=xvc0'
  71 EOF
  72
  73 echo
  74 echo "Configuration written to /etc/xen/sysvms/s_$name."
  75 echo "To boot:"
  76 echo "  xm create sysvms/s_$name"