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#!/bin/bash
#
# Do a system upgrade, from a version to the next.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
# Load
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load
# Command line arguments
BASENAME="`basename $0`"
# Available releases
#release="`facter lsbdistcodename`" # this doesn't work on squeeze
release="`facter | grep lsbdistcodename | sed -e 's/lsbdistcodename => //'`"
nextrelease="`hydra_next_debian_release $release`"
# Ensure puppet is stopped during the process
echo "Disabling puppet during the upgrade..."
service puppet stop
sed -i -e 's/START=yes/START=no/' /etc/default/puppet
# Configure apt for the next debian release
echo ""
echo "Updating apt configuration..."
sed -i -e "s/$release/$nextrelease/g" /etc/apt/sources.list
sed -i -e 's|^deb http://backports.debian.org/debian-backports|#deb http://backports.debian.org/debian-backports|' /etc/apt/sources.list
# These will be generated by puppet and can be safely removed
rm -f /etc/apt/sources.list.d/*
rm -f /etc/apt/preferences.d/*
rm -f /etc/apt/preferences
# Update package listing and download new packages
echo ""
echo "Updating package listing..."
apt-get update
echo ""
echo "Downloading packages..."
apt-get dist-upgrade -d
# Upgrade the system
echo ""
echo "Upgrading the system..."
apt-get dist-upgrade
# Enable puppet again
echo ""
echo "Starting puppet again..."
sed -i -e 's/START=no/START=yes/' /etc/default/puppet
service puppet start
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