mumble-web_ynh/scripts/upgrade

#!/bin/bash

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

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
port=$(ynh_app_setting_get --app=$app --key=port)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set "$app" final_path "$final_path"
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=5

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
 	ynh_restore_upgradebackup
}

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name="$app" --action="stop"

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1

# Create a dedicated user (if not existing)
ynh_system_user_create --username="$app" --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --time --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$final_path"
fi

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..."  --weight=5

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=1

# Install Mumble Debian package via apt
ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=2

# Create a dedicated systemd config
ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/$app.service"

ynh_add_systemd_config

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

# Add Mumble as a YunoHost service
yunohost service add $app --description="Mumble web interface" --log="/var/log/$app/$app.log"


#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=2

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND README TO ADMIN
#=================================================

# message="
# Mumble server was updated!

# Port                   : $port
# Password to join server: $server_password
# SuperUser Password     : $su_passwd
# Welcome text           : $welcometext
# Root channel (your mumble server name): $registername
# Final path (where to find your files) : $final_path
# Mumble configuration file             : $final_path/mumble-server.ini

# Note about config file: this package will regenerate the config file on upgrade.
# If you changed it manually and upgrade mumble, you'll find a backup in $final_path.

# Are you facing an issue, want to improve this app or say thank you?
# Please open a new issue in this project: https://github.com/YunoHost-Apps/mumbleserver_ynh
# "
# ynh_send_readme_to_admin "$message"

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

ynh_script_progression --message="Upgrade of $app completed" --last