#!/bin/sh

name="$1"
rel="${2:-xenial}"
fname="/etc/cloud/cloud.cfg.d/99-cloud-init-no-netconfig.cfg"
set -e

local_f=$(mktemp)
trap "rm -f $local_f $local_f.dist" EXIT

lxc init "$rel" "$name"
lxc file push - "$name/${fname%/}" <<EOF
#cloud-config
network: {config: disabled}
EOF

## 
if true; then
   f="/usr/lib/python3/dist-packages/cloudinit/stages.py"
   line="for loc, ncfg in (cmdline_cfg, dscfg, sys_cfg)"
   lxc file pull "$name/$f" "$local_f"
   sed -i.dist "/$line/s/dscfg, sys_cfg/sys_cfg, dscfg/" "$local_f" &&
   diff -u "$local_f.dist" "$local_f" && { echo "failed patch"; exit 1; }
   lxc file push "$local_f" "$name/$f"
   echo "fixed $f in $name"
else
   echo "not fixing"
fi

lxc start "$name"
echo "started $name"