gitian-builder/bin/make-base-vm

#!/bin/sh
set -e

SUITE=lucid
ARCH=amd64
MIRROR=http://${MIRROR_HOST:-`hostname`}:3142/archive.ubuntu.com/ubuntu

usage() {
  echo "Usage: ${0##*/} [OPTION]... <command>"
  echo "Make a base client."
  echo
  cat << EOF
  --help     display this help and exit
  --suite=U  build suite U instead of lucid
  --arch=A   build architecture A (e.g. i386) instead of amd64

  The MIRROR_HOST environment variable can be used to change the
  apt-cacher host.  It should be something that the target VM can
  resolve (not localhost).
EOF
}

if [ $# != 0 ] ; then
  while true ; do
    case "$1" in
      --help|-h)
        usage
        exit 0
        ;;
      --suite|-s)
        SUITE="$2"
        shift 2
        ;;
      --arch|-a)
        ARCH="$2"
        shift 2
        ;;
      --*)
        echo "unrecognized option $1"
        exit 1
        ;;
      *)
        break
        ;;
    esac
  done
fi

mkdir -p var

if [ ! -e var/id_dsa ]; then
  ssh-keygen -t dsa -f var/id_dsa -N ""
fi

OUT=base-$SUITE-$ARCH
if [ -e $OUT.qcow2 ]; then
  echo $OUT.qcow2 already exists, please remove it first
  exit 1
fi

rm -rf $OUT

sudo vmbuilder kvm ubuntu --arch=$ARCH --suite=$SUITE --addpkg=openssh-server,pciutils,build-essential,git-core,subversion --ssh-key=var/id_dsa.pub --ssh-user-key=var/id_dsa.pub --mirror=$MIRROR --dest=$OUT --flavour=virtual --overwrite

mv $OUT/*.qcow2 $OUT.qcow2

rm -rf $OUT