Added backup and restore

README.md

@@ -11,12 +11,12 @@ integrated system to create personalised learning environments.
 Moodle is widely used around the world by universities, schools, companies and
 all manner of organisations and individuals.
 
-#Installation
+# Installation
 ** After the installation go to your domain https://domain.tld/moodle and create the admin account. **
 
 ## To-do
 - [X] Install script
 - [X] Remove script
 - [ ] Upgrade script
-- [ ] Backup and Restore scripts
+- [X] Backup and Restore scripts(need testing)
 - [ ] LDAP integration

scripts/_common.sh

@@ -33,7 +33,7 @@ ynh_remove_php7 () {
 }
 
 
-# Create a dedicated php-fpm config
+# Create a dedicated php-fpm config for php7.1
 #
 # usage: ynh_add_fpm_config
 ynh_add_php7.1-fpm_config () {
@@ -58,11 +58,8 @@ ynh_add_php7.1-fpm_config () {
 	sudo systemctl reload php7.1-fpm
 }
 
-<<<<<<< HEAD
+
 # Remove the dedicated php-fpm config for php7.1
-=======
-# Remove the dedicated php-fpm config
->>>>>>> 4d1446000580d39209c48e91f1e764e3bb677881
 #
 # usage: ynh_remove_fpm_config
 ynh_remove_php7.1-fpm_config () {
@@ -70,28 +67,3 @@ ynh_remove_php7.1-fpm_config () {
 	ynh_secure_remove "/etc/php/7.1/fpm/conf.d/20-$app.ini" 2>&1
 	sudo systemctl reload php7.1-fpm
 }
-<<<<<<< HEAD
-
-ynh_install_php7 () {
-
-  ynh_package_update
-  ynh_package_install apt-transport-https --no-install-recommends
-
-  wget -q -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
-  echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php7.list
-
-  ynh_package_update
-  ynh_install_app_dependencies php7.1 php7.1-zip php7.1-fpm php7.1-mysql php7.1-xml php7.1-intl php7.1-mbstring php7.1-gd php7.1-curl php7.1-soap php7.1-pgsql
-  sudo update-alternatives --install /usr/bin/php php /usr/bin/php5 70
-	sudo systemctl reload php7.1-fpm
-
-}
-
-ynh_remove_php7 () {
-  sudo rm -f /etc/apt/sources.list.d/php7.list
-  sudo apt-key del 4096R/89DF5277
-  sudo apt-key del 2048R/11A06851
-  ynh_remove_app_dependencies php7.1 php7.1-zip php7.1-fpm php7.1-mysql php7.1-xml php7.1-intl php7.1-mbstring php7.1-gd php7.1-curl php7.1-soap php7.1-pgsql
-}
-=======
->>>>>>> 4d1446000580d39209c48e91f1e764e3bb677881

scripts/backup

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+if [ ! -e _common.sh ]; then
+	# Get the _common.sh file if it's not in the current directory
+	cp ../settings/scripts/_common.sh ./_common.sh
+	chmod a+rx _common.sh
+fi
+source _common.sh
+source psql.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+app=$YNH_APP_INSTANCE_NAME
+
+final_path=$(ynh_app_setting_get $app final_path)
+domain=$(ynh_app_setting_get $app domain)
+db_name=$(ynh_app_setting_get $app psql_db)
+
+#=================================================
+# STANDARD BACKUP STEPS
+#=================================================
+# BACKUP THE APP MAIN DIR
+#=================================================
+
+ynh_backup "$final_path"
+# BACKUP APP home directory
+ynh_backup "/home/yunohost.app/$app"
+
+#=================================================
+# BACKUP THE NGINX CONFIGURATION
+#=================================================
+
+ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# BACKUP THE PHP-FPM CONFIGURATION
+#=================================================
+
+ynh_backup "/etc/php/7.1/fpm/pool.d/$app.conf"
+ynh_backup "/etc/php/7.1/fpm/conf.d/20-$app.ini"
+
+#=================================================
+# BACKUP THE PSQL DATABASE
+#=================================================
+
+ynh_psql_dump_db "$db_name" > db.sql
+ynh_backup "db.sql"
+
+
+#=================================================
+# SPECIFIC BACKUP
+#=================================================
+# BACKUP LOGROTATE
+#=================================================
+
+ynh_backup "/etc/logrotate.d/$app"
+
+#=================================================
+# BACKUP THE CRON FILE
+#=================================================
+
+ynh_backup "/etc/cron.d/$app"

scripts/psql.sh

@@ -33,7 +33,9 @@ ynh_psql_execute_as_root () {
 # | arg: file - the file containing SQL commands
 # | arg: db - the database to connect to
 ynh_psql_execute_file_as_root() {
-     ynh_die "ynh_psql_execute_file_as_root is not yet implemented"
+  file="$1"
+  	db="$2"
+  	su -c "psql $db" postgres < "$file"
 }
 
 # Create a database and grant optionnaly privilegies to a user
@@ -70,7 +72,8 @@ ynh_psql_drop_db() {
 # | arg: db - the database name to dump
 # | ret: the psqldump output
 ynh_psql_dump_db() {
-    ynh_die "ynh_psql_dump_db is not yet implemented"
+  db="$1"
+su --command="pg_dump \"${db}\"" postgres
 }
 
 
@@ -97,13 +100,25 @@ ynh_psql_test_if_first_run() {
 	then
 		echo "PostgreSQL is already installed, no need to create master password"
 	else
-		local pgsql=$(ynh_string_random)
+		pgsql=$(ynh_string_random)
+		pg_hba=""
 		echo "$pgsql" >> /etc/yunohost/psql
+
+		if [ -e /etc/postgresql/9.4/ ]
+		then
+			pg_hba=/etc/postgresql/9.4/main/pg_hba.conf
+		elif [ -e /etc/postgresql/9.6/ ]
+		then
+			pg_hba=/etc/postgresql/9.6/main/pg_hba.conf
+		else
+			ynh_die "postgresql shoud be 9.4 or 9.6"
+		fi
+
 		systemctl start postgresql
-		sudo -u postgres psql -c"ALTER user postgres WITH PASSWORD '${pgsql}'"
+                su --command="psql -c\"ALTER user postgres WITH PASSWORD '${pgsql}'\"" postgres
 		# we can't use peer since YunoHost create users with nologin
 		sed -i '/local\s*all\s*all\s*peer/i \
-			local all all password' /etc/postgresql/9.4/main/pg_hba.conf
+		local all all password' "$pg_hba"
 		systemctl enable postgresql
 		systemctl reload postgresql
 	fi

scripts/restore

@@ -0,0 +1,123 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+if [ ! -e _common.sh ]; then
+	# Get the _common.sh file if it's not in the current directory
+	cp ../settings/scripts/_common.sh ./_common.sh
+	chmod a+rx _common.sh
+fi
+source _common.sh
+source psql.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+app=$YNH_APP_INSTANCE_NAME
+
+domain=$(ynh_app_setting_get $app domain)
+path_url=$(ynh_app_setting_get $app path)
+final_path=$(ynh_app_setting_get $app final_path)
+db_name=$(ynh_app_setting_get $app psql_db)
+db_pwd=$(ynh_app_setting_get $app psqlpwd)
+
+#=================================================
+# CHECK IF THE APP CAN BE RESTORED
+#=================================================
+
+ynh_webpath_available $domain $path_url \
+	|| ynh_die "Path not available: ${domain}${path_url}"
+test ! -d $final_path \
+	|| ynh_die "There is already a directory: $final_path "
+
+#=================================================
+# STANDARD RESTORATION STEPS
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+
+ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+var_root=/home/yunohost.app/$app
+ynh_restore_file "$final_path"
+ynh_restore_file "$var_root"
+
+#=================================================
+# RESTORE THE psql DATABASE
+#=================================================
+ynh_psql_test_if_first_run
+ynh_psql_create_user $app $db_pwd
+ynh_psql_execute_as_root \
+"CREATE DATABASE $db_name ENCODING 'UTF8' LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER $app;"
+ynh_psql_execute_file_as_root ./db.sql "$db_name"
+
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create $app
+
+#=================================================
+# RESTORE USER RIGHTS
+#=================================================
+
+# Restore permissions on app files
+chown -R $app: $final_path
+chown -R root: $final_path/config.php
+mkdir -p $var_root
+chown -R $app:root $var_root
+chmod -R 700 $var_root
+
+#=================================================
+# RESTORE THE PHP-FPM CONFIGURATION
+#=================================================
+
+ynh_restore_file "/etc/php/7.1/pool.d/$app.conf"
+ynh_restore_file "/etc/php/7.1/conf.d/20-$app.ini"
+
+#=================================================
+# SPECIFIC RESTORATION
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
+
+# Define and install dependencies
+ynh_install_php7
+
+#=================================================
+# RESTORE THE CRON FILE
+#=================================================
+
+ynh_restore_file "/etc/cron.d/$app"
+
+#=================================================
+# RESTORE THE LOGROTATE CONFIGURATION
+#=================================================
+
+ynh_restore_file "/etc/logrotate.d/$app"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX AND PHP-FPM
+#=================================================
+
+systemctl reload php7.1-fpm
+systemctl reload nginx