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#!/bin/bash
#
# Restore a website from backup.
#
# 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
# Basic parameters.
SITE="$2"
SITES="/var/sites"
FOLDER="$SITES/$SITE"
WWW="/var/www/data"
# Syntax check.
if [ -z "$SITE" ]; then
hydra_action_usage
exit 1
fi
# Check restore strategy.
if [ "$1" == "backups" ]; then
SITE="$3"
if [ -z "$SITE" ]; then
hydra_action_usage
exit 1
fi
hydra_backup_environment_local_website $2 $SITE
elif [ "$1" == "localhost" ] || [ "$1" == "`facter hostname`" ]; then
hydra_backup_environment_local
else
hydra_backup_environment_remote $1 restore
fi
# Set site user.
if hydra_check_user $SITE; then
SITE_USER="$SITE"
TRAC_USER="$SITE"
else
SITE_USER="root"
TRAC_USER="www-data"
fi
# Set site group.
if hydra_check_group $SITE; then
SITE_GROUP="$SITE"
TRAC_GROUP="$SITE"
else
SITE_GROUP="root"
TRAC_GROUP="www-data"
fi
# Local backups are stored compressed
if [ "$1" == "localhost" ] || [ "$1" == "backups" ]; then
if [ -e "$RESTOREDIR/$SITE.tar.bz2" ]; then
( cd $RESTOREDIR && tar xvf $SITE.tar.bz2 )
fi
fi
# Check if folder exist on the backup.
if [ ! -d "$RESTOREDIR/$FOLDER" ]; then
echo "Folder $FOLDER does not exist at restored backup $RESTOREDIR"
exit 1
fi
# Check if there's already a site folder and backup it.
if [ -e "$FOLDER" ]; then
echo "Folder $FOLDER already exists, backing it up first..."
hydractl backup-site $SITE
if [ "$?" != "0" ]; then
echo "Error backing up $FOLDER"
exit 1
else
echo "Erasing old site folder"
rm -rf $FOLDER
fi
fi
# Copy site folder from backup
if [ -d "$RESTOREDIR/$FOLDER" ]; then
echo "Copying site $SITE from backup $RESTOREDIR..."
cp -a $RESTOREDIR/$FOLDER $FOLDER
fi
# Delete uncompressed local backup
if [ "$1" == "localhost" ] || [ "$1" == "backups" ]; then
rm -rf $RESTOREDIR/$FOLDER
fi
# Fix permissions
chown -R root:root $FOLDER
# Trac
if [ -e "$FOLDER/trac" ]; then
# Optionally also: gvcache/ log/
( cd $FOLDER/trac && chown -R $TRAC_USER:$TRAC_GROUP attachments conf db auth plugins .egg-cache )
fi
# PmWiki
if [ -e "$FOLDER/wiki" ]; then
( cd $FOLDER/wiki && chown -R $SITE_USER:$SITE_GROUP wiki.d uploads )
chown $SITE:root $FOLDER/wiki/local/config.php
chmod 660 $FOLDER/wiki/local/config.php
fi
# Site
if [ -e "$FOLDER/site" ]; then
chown -R $SITE_USER:$SITE_GROUP $FOLDER/site
fi
# Drupal
if [ -e "$FOLDER/drupal" ]; then
SERIES="$4"
chown -R $SITE_USER:$SITE_GROUP $FOLDER/drupal/files
chown root:$SITE_GROUP $FOLDER/drupal/settings.php
chmod 640 $FOLDER/drupal/settings.php
if [ -e "/etc/apache2/sites-available/$SITE" ]; then
SERVER_ALIAS="`grep ServerAlias /etc/apache2/sites-available/$SITE | sed -e 's/ServerAlias//'`"
fi
if [ ! -z "$SERIES" ]; then
if [ -e "$WWW/drupal-$SERIES/sites" ]; then
echo "Creating basic drupal symlinks..."
(
cd $WWW/drupal-$SERIES/sites
ln -sf $FOLDER/drupal $SITE
ln -sf $FOLDER/drupal $SITE.`facter domain`
for server_alias in $SERVER_ALIAS; do
if [ ! -e "$server_alias" ]; then
ln -sf $FOLDER/drupal $server_alias
fi
done
)
else
echo "No drupal $SERIES found in the system, so no symlink handling"
fi
else
echo "No drupal series argument provided, so no symlink handling"
fi
fi
# Restore database
hydractl backup-restore-database $*
# Ikiwiki
if [ -e "$FOLDER/ikiwiki" ]; then
echo "Restoring ikiwiki for $SITE..."
file="/etc/ikiwiki/$SITE.setup"
if [ -e "$file" ] && [ -e "/var/git/repositories/$SITE.git" ]; then
site="`basename $file .setup`"
git clone file:///var/git/repositories/$SITE /var/sites/$SITE/ikiwiki_src
ikiwiki --setup $file --rebuild
chown -R $SITE_USER:$SITE_GROUP /var/sites/$SITE/ikiwiki*
else
echo "Either $file or git repository not found for $SITE ikiwiki instance"
fi
fi
# Moin
if [ -e "$FOLDER/moin" ]; then
echo "Restoring moin for $SITE..."
chown -R root:root $FOLDER/moin/
chown -R $SITE_USER:$SITE_GROUP $FOLDER/moin/{cgi-bin,data,underlay}
fi
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