cloud-init daily ubuntu image boot

launch-kvm.sh

#!/bin/bash -ux
#
# image.img.dist - converted to qcow2
# image.img.orig - downloaded version
# image.img - final disk image

RELEASE="xenial"
IMG_URL="http://cloud-images.ubuntu.com/daily/server/$RELEASE/current"
SEED_FILE="seed.img"
USER_DATA="user-data.yaml"

###########################################################
## Is the image available locally? If not, download it
# TODO put date on daily images
if [ ! -e "images/$RELEASE.img.orig" ]; then

  if [ -e "images/$RELEASE.img.dist" ]; then
    rm images/$RELEASE.img.dist
  fi

  if [ "$RELEASE" == "xenial" ] || [ "$RELEASE" == "trusty" ]; then
    url="$IMG_URL/$RELEASE-server-cloudimg-amd64-disk1.img"
  else
    url="$IMG_URL/$RELEASE-server-cloudimg-amd64.img"
  fi

  wget -O images/$RELEASE.img.dist $url
  qemu-img convert -O qcow2 images/$RELEASE.img.dist images/$RELEASE.img.orig

fi

## Make a fresh copy of the image
if [ -e "images/$RELEASE.img" ]; then
  rm images/$RELEASE.img
fi
qemu-img create -f qcow2 -b $RELEASE.img.orig images/$RELEASE.img

###########################################################
## Make seed file with user data
if [ -e $SEED_FILE ]; then
  rm $SEED_FILE
fi

cloud-localds $SEED_FILE $USER_DATA

###########################################################
## Boot QEMU image
# Remove existing host key
ssh-keygen -f "/home/$USER/.ssh/known_hosts" -R [localhost]:2222

qemu-system-x86_64 -enable-kvm \
   -drive file=images/$RELEASE.img,format=qcow2,if=virtio \
   -drive file=$SEED_FILE,format=raw,if=virtio \
   -device virtio-net-pci,netdev=net00 \
   -netdev type=user,id=net00,hostfwd=tcp::2222-:22 \
   -m 1024

#TODO check that cloud-init is done and print out result

###########################################################
# #TODO print out ssh info
# ssh -p 2222 ubuntu@localhost

exit 0