[enh] Add backup/restore scripts

scripts/backup

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+#!/bin/bash
+
+# The parameter $1 is the backup directory location dedicated to the app
+backup_dir=$1
+
+# The parameter $2 is theid of the app instance
+app=$2
+
+domain=$(sudo yunohost app setting $app domain)
+path=$(sudo yunohost app setting $app path)
+admin=$(sudo yunohost app setting $app admin)
+language=$(sudo yunohost app setting $app language)
+public_site=$(sudo yunohost app setting $app public_site)
+
+# Copy the app files
+final_path=/var/www/$app
+sudo mkdir -p ${backup_dir}/var/www
+sudo cp -a $final_path "${backup_dir}/var/www/$app"
+
+# Copy the conf files
+sudo mkdir -p "${backup_dir}/conf"
+sudo cp -a /etc/nginx/conf.d/$domain.d/$app.conf "${backup_dir}/conf/nginx.conf"
+sudo cp -a /etc/php5/fpm/pool.d/$app.conf "${backup_dir}/conf/php-fpm.conf"
+sudo cp -a /etc/php5/fpm/conf.d/20-$app.ini "${backup_dir}/conf/php-fpm.ini"
+
+# Backup db
+db_pwd=$(sudo yunohost app setting $app mysqlpwd)
+sudo su -c "mysqldump -u $app -p"$db_pwd" --no-create-db $app > ${backup_dir}/db.sql"

scripts/restore

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+#!/bin/bash
+# This restore script is adapted to Yunohost >=2.4
+
+# The parameter $1 is the backup directory location dedicated to the app
+backup_dir=$1
+
+# The parameter $2 is the id of the app instance ex: ynhexample__2
+app=$2
+
+# Get old parameter of the app
+domain=$(sudo yunohost app setting $app domain)
+path=$(sudo yunohost app setting $app path)
+admin_wordpress=$(sudo yunohost app setting $app admin)
+language=$(sudo yunohost app setting $app language)
+public_site=$(sudo yunohost app setting $app public_site)
+
+# Check domain/path availability
+sudo yunohost app checkurl $domain$path -a $app
+if [[ ! $? -eq 0 ]]; then
+    echo "There is already an app on this URL : $domain$path" | sudo tee /dev/stderr
+    exit 1
+fi
+
+final_path=/var/www/$app
+if [ -d $final_path ]; then
+    echo "There is already a directory: $final_path " | sudo tee /dev/stderr
+    exit 1
+fi
+
+conf=/etc/nginx/conf.d/$domain.d/$app.conf
+if [ -f $conf ]; then
+    echo "There is already a nginx conf file at this path: $conf " | sudo tee /dev/stderr
+    exit 1
+fi
+
+phpconf=/etc/php5/fpm/pool.d/$app.conf
+if [ -f $phpconf ]; then
+    echo "There is already a php-fpm conf file at this path: $phpconf " | sudo tee /dev/stderr
+    exit 1
+fi
+
+phpini=/etc/php5/fpm/conf.d/20-$app.ini
+if [ -f $phpini ]; then
+    echo "There is already a php-fpm ini file at this path: $phpini " | sudo tee /dev/stderr
+    exit 1
+fi
+
+# Dependences
+sudo DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confold" -o Dpkg::Options::="--force-confdef" -y --force-yes -qq install php-fpdf
+
+# Restore sources & data
+sudo cp -a "${backup_dir}/var/www/$app" $final_path
+
+
+db_pwd=$(sudo yunohost app setting $app mysqlpwd)
+db_user=$app
+sudo yunohost app initdb $db_user -p $db_pwd
+sudo su -c "mysql -u $db_user -p$db_pwd $app < ${backup_dir}/db.sql"
+sudo rm -f "${backup_dir}/db.sql"
+sudo sed -i -e "s/'DB_USER', *'[^']*'/'DB_USER', '$app'/g" $final_path/wp-config.php
+sudo sed -i -e "s/'DB_NAME', *'[^']*'/'DB_NAME', '$app'/g" $final_path/wp-config.php
+
+# Set permissions
+sudo chmod 700 $final_path/admin/logs_studs.txt
+sudo chown -R www-data:www-data $final_path
+
+# Restore conf files
+sudo cp -a "${backup_dir}/conf/nginx.conf" $conf
+sudo cp -a "${backup_dir}/conf/php-fpm.conf" $phpconf
+sudo chown root: $phpconf
+sudo chmod 644 $phpconf
+sudo cp -a "${backup_dir}/conf/php-fpm.ini" $phpini
+sudo chown root: $phpini
+sudo chmod 644 $phpini
+
+# Set Administrator
+if sudo yunohost user info test > /dev/null; then
+    sudo yunohost app addaccess opensondage -u $admin
+fi
+
+# Reload Nginx
+sudo service php5-fpm restart
+sudo service nginx reload
+
+# Set ssowat config
+sudo yunohost app setting opensondage skipped_uris -v "/"
+if [ $public_site = "No" ];
+then
+	sudo yunohost app setting opensondage protected_uris -v "/admin,/index.php,/choix_date.php,/choix_autre.php,/infos_sondage.php,/scripts"
+else
+	sudo yunohost app setting opensondage protected_uris -v "/admin/index.php,/admin/logs_studs.txt,/scripts"
+fi
+sudo yunohost app ssowatconf