juju-clean

#!/bin/bash
#
# Copyright 2014 Marco Ceppi <marco@ceppi.net>
#
# juju-clean is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# juju-clean is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# For a full copy of the GNU General Public License, see
# <http://www.gnu.org/licenses/>.

set -e

JUJU_ENV=$1
JUJU_HOME=${JUJU_HOME:-~/.juju}

if [ ! "$JUJU_ENV" ]; then
  echo "Please run juju clean <environment>"
  exit 1
fi

if [ "$JUJU_ENV" == "--description" ]; then
  echo "Destroy environment and clean any remaining files"
  exit 0
fi

if [ "$JUJU_ENV" == "--help" ]; then
  echo "juju clean [JUJU_ENV]"
  echo ""
  echo "Destroy the [JUJU_ENV] and remove any .jenv or local directories associated with the environment"
  exit 0
fi

echo "Destroying '$JUJU_ENV' environment" >&2
juju destroy-environment -y $JUJU_ENV >/dev/null 2>&1 || true
juju destroy-environment --force -y $JUJU_ENV >/dev/null 2>&1 || true

echo "Removing any extra environment files in '${JUJU_HOME}'" >&2
rm -f ~/${JUJU_HOME}/environments/$JUJU_ENV.jenv
rm -rf ~/${JUJU_HOME}/$JUJU_ENV || true

echo "Checking for errors with local provider" >&2

echo "Stopping juju daemons" >&2
for jujudaemon in $(sudo initctl list | grep juju | cut -d ' ' -f 1)
do
    sudo stop ${jujudaemon} || true
done
echo "Destroying juju template containers" >&2
for container in $(sudo lxc-ls | grep -e "^juju.*template$" )
do
  sudo lxc-stop --name ${container} && sudo lxc-destroy --name ${container} || true
done

echo "Cleaning local providor files" >&2
sudo rm /etc/init/juju-* || true
sudo rm /etc/rsyslog.d/25-juju* || true
sudo rm -rf /var/lib/juju/containers/${USER}-* || true
sudo rm -rf /var/lib/juju/locks/* || true
echo "Cleaning lxc files" >&2
sudo rm -rf /var/cache/lxc/cloud-* || true
sudo rm /var/lib/lxc/juju-* || true
sudo rm /etc/lxc/auto/${USER}-* || true

echo "Clean and ready for bootstrap"