[enh] Add backup/restore scripts

scripts/backup

@@ -0,0 +1,24 @@
+#!/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 $app path)
+
+# Copy the app files
+final_path=/var/www/$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 "${backup_dir}/conf/nginx.conf"
+sudo cp -a /etc/cron.d/$app "${backup_dir}/conf/cron"
+
+# Backup db
+root_pwd=$(sudo cat /etc/yunohost/mysql)
+sudo su -c "mysqldump -u root -p$root_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)
+
+# 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
+
+# Restore sources & data
+final_path=/var/www/$app
+
+if [ -d $final_path ]; then
+    echo "There is already a directory: $final_path " | sudo tee /dev/stderr
+    exit 1
+fi
+sudo cp -a "${backup_dir}/var/www/$app" $final_path
+
+# Dependences
+sudo apt-get install php5-cli -y
+
+db_pwd=$(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" $final_path/config.php
+sudo sed -i -e "s/'DB_NAME', *\"[^\"]*\"/'DB_NAME', \"$app\"/g" $final_path/config.php
+
+# Set permissions
+sudo chown -R www-data:www-data $final_path
+for i in export images upload js
+do
+  sudo chmod -R 777 $final_path/cache/$i
+done
+
+for i in feed-icons lock
+do
+  sudo chmod -R 777 $final_path/$i
+done
+
+# Restore conf files
+conf=/etc/nginx/conf.d/$domain.d/$app.conf
+if [ -f $conf ]; then
+    echo "There is already a nginx conf file at this path: $conf " | sudo tee /dev/stderr
+    exit 1
+fi
+sudo cp -a "${backup_dir}/conf/nginx.conf" $conf
+sudo mv "${backup_dir}/conf/cron" /etc/cron.d/$app
+sudo chown root /etc/cron.d/$app
+
+# Reload Nginx
+sudo service nginx reload
+
+# Set ssowat config
+sudo yunohost app setting ttrss skipped_uris -v "/public.php,/api"
+sudo yunohost app ssowatconf