discourse_ynh/scripts/backup

#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

#Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
ynh_print_info --message="Managing script failure..."

ynh_clean_setup () {
	# Clean remainings not handled by remove script
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info --message="Loading installation settings..."

app=$YNH_APP_INSTANCE_NAME

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
domain=$(ynh_app_setting_get --app=$app --key=domain)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
unicorn_workers=$(ynh_app_setting_get --app=$app --key=unicorn_workers)

#=================================================
# STANDARD BACKUP STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_print_info --message="Stopping a systemd service..."

ynh_systemd_action --service_name=$app --action="stop" --log_path="$final_path/log/unicorn.stderr.log"

#=================================================
# BACKUP THE APP MAIN DIR
#=================================================
ynh_print_info --message="Backing up the main app directory..."

ynh_backup --src_path="$final_path"

#=================================================
# BACKUP THE NGINX CONFIGURATION
#=================================================
ynh_print_info --message="Backing up nginx web server configuration..."

ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# BACKUP THE POSTGRESQL DATABASE
#=================================================
ynh_print_info --message="Backing up the PostgreSQL database..."

ynh_psql_dump_db --database="$db_name" > db.sql

#=================================================
# SPECIFIC BACKUP
#=================================================
# BACKUP LOGROTATE
#=================================================
ynh_print_info --message="Backing up logrotate configuration..."

ynh_backup --src_path="/etc/logrotate.d/$app"

#=================================================
# BACKUP SYSTEMD
#=================================================
ynh_print_info --message="Backing up systemd configuration..."

ynh_backup --src_path="/etc/systemd/system/$app.service"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_print_info --message="Starting a systemd service..."

ynh_systemd_action --service_name=$app --action="start" --log_path="$final_path/log/unicorn.stderr.log" --line_match="INFO -- : worker=$((unicorn_workers-1)) ready"

#=================================================
# END OF SCRIPT
#=================================================

ynh_print_info --message="Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."