[enh] Add backup/restore script.

scripts/backup

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# causes the shell to exit if any subcommand or pipeline returns a non-zero status
+set -e
+
+# Source YNH helpers
+. /usr/share/yunohost/helpers
+
+# This is a multi-instance app, meaning it can be installed several times independently
+# The id of the app as stated in the manifest is available as $YNH_APP_ID
+# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
+# The app instance name is available as $YNH_APP_INSTANCE_NAME
+#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
+#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
+#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
+# The app instance name is probably what you are interested the most, since this is
+# guaranteed to be unique. This is a good unique identifier to define installation path,
+# db names, ...
+app=$YNH_APP_INSTANCE_NAME
+
+# Retrieve arguments
+domain=$(sudo yunohost app setting $app domain)
+
+# Backup directory location for the app from where the script is executed and 
+# which will be compressed afterward
+backup_dir=$YNH_APP_BACKUP_DIR
+
+# Backup sources & data
+ynh_backup "/home/yunohost.app/$app" "data"
+ynh_backup "/var/www/$app" "sources"
+
+# Copy configuration files
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf" "conf/nginx.conf"
+ynh_backup "/etc/php5/fpm/pool.d/$app.conf" "conf/php-fpm.conf"

scripts/restore

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# causes the shell to exit if any subcommand or pipeline returns a non-zero status
+set -e
+
+# Source YNH helpers
+. /usr/share/yunohost/helpers
+
+# This is a multi-instance app, meaning it can be installed several times independently
+# The id of the app as stated in the manifest is available as $YNH_APP_ID
+# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
+# The app instance name is available as $YNH_APP_INSTANCE_NAME
+#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
+#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
+#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
+# The app instance name is probably what you are interested the most, since this is
+# guaranteed to be unique. This is a good unique identifier to define installation path,
+# db names, ...
+app=$YNH_APP_INSTANCE_NAME
+
+# Retrieve arguments
+domain=$(sudo yunohost app setting $app domain)
+
+# Get old parameter of the app
+domain=$(sudo yunohost app setting $app domain)
+path=$(sudo yunohost app setting $app path)
+admin_user=$(sudo yunohost app setting $app admin_user)
+upload_password=$(sudo yunohost app setting $app upload_password)
+is_public=$(sudo yunohost app setting $app is_public)
+
+# 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
+
+# Check that admin user is an existing account
+sudo yunohost user list --json | grep -q "\"username\": \"$admin_user\""
+if [[ ! $? -eq 0 ]]; then
+    echo "Error : the chosen admin user does not exist"
+    exit 1
+fi
+
+sources_path=/var/www/$app
+if [ -d $sources_path ]; then
+    echo "There is already a directory: $sources_path " | sudo tee /dev/stderr
+    exit 1
+fi
+
+data_path=/home/yunohost.app/$app
+if [ -d $data_path ]; then
+    echo "There is already a directory: $data_path " | sudo tee /dev/stderr
+    exit 1
+fi
+
+nginx_conf=/etc/nginx/conf.d/$domain.d/$app.conf
+if [ -f $nginx_conf ]; then
+    echo "There is already a nginx conf file at this path: $nginx_conf " | sudo tee /dev/stderr
+    exit 1
+fi
+
+phpfpm_conf=/etc/php5/fpm/pool.d/$app.conf
+if [ -f $phpfpm_conf ]; then
+    echo "There is already a PHP-FPM conf file at this path: $phpfpm_conf " | sudo tee /dev/stderr
+    exit 1
+fi
+
+# Restore sources & data
+sudo cp -a "./sources" $sources_path
+sudo cp -a "./data" $data_path
+
+# Restore conf files
+sudo cp -a "./conf/nginx.conf" $nginx_conf
+sudo cp -a "./conf/php-fpm.conf" $phpfpm_conf
+
+# Reload PHP & Nginx
+sudo service php5-fpm restart
+sudo service nginx reload
+
+# Set ssowat config
+if [ "$is_public" = "Yes" ];
+then
+  sudo yunohost app setting $app unprotected_uris -v "/"
+fi