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wireguard_ynh/scripts/upgrade
2021-01-08 19:06:50 +01:00

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7.2 KiB
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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --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=$app --key=port)
port_wg=$(ynh_app_setting_get --app=$app --key=port_wg)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
#=================================================
# CHECK VERSION
#=================================================
### This helper will compare the version of the currently installed app and the version of the upstream package.
### $upgrade_type can have 2 different values
### - UPGRADE_APP if the upstream app version has changed
### - UPGRADE_PACKAGE if only the YunoHost package has changed
### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
upgrade_type=$(ynh_check_app_version_changed)
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1
# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
final_path=/opt/yunohost/$app
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi
# Change port for WireGuard UI because 8095 is default port for WireGuard VPN
if [ $port -eq 8095 ]
then
ynh_app_setting_delete --app=$app --key=port
port=$(ynh_find_port --port=8096)
ynh_app_setting_set --app=$app --key=port --value=$port
ynh_app_setting_set --app=$app --key=is_public --value=0
fi
#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --time --weight=1
# 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..." --time --weight=1
ynh_systemd_action --service_name=wireguard_ui --action="stop" --log_path="/var/log/$app/ui.log"
systemctl disable --now --quiet wireguard.path
ynh_systemd_action --service_name=wireguard --action="stop"
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
if [ "$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="$final_path" --source_id="$(ynh_detect_arch)"
fi
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading nginx web server configuration..." --time --weight=1
# Create a dedicated nginx config
ynh_add_nginx_config
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
ynh_install_extra_app_dependencies --repo="http://deb.debian.org/debian buster-backports main" --package="$pkg_dependencies"
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1
# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1
# Create a dedicated systemd config for the web UI
ynh_add_systemd_config --service=wireguard_ui --template=wireguard_ui.service --others_var="port"
# Create a dedicated systemd config for monitoring WireGuard's configuration
cp ../conf/wireguard.path /etc/systemd/system/wireguard.path
systemctl enable --quiet wireguard.path
# Create a dedicated systemd config for restarting WireGuard
ynh_add_systemd_config --service=wireguard --template=wireguard.service --others_var="port_wg"
#=================================================
# CONFIGURING WIREGUARD
#=================================================
# Create db directory for securing it later
mkdir -p $final_path/db/server
# Add interface configuration file
cp ../conf/interfaces.json $final_path/db/server/interfaces.json
ynh_replace_string --match_string="__PORT_WG__" --replace_string="$port_wg" --target_file="$final_path/db/server/interfaces.json"
#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
# Set permissions on app files
chown -R root: $final_path
chown -R $app: $final_path/db
chmod -R 750 $final_path/db
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --time --weight=1
# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1
yunohost service add wireguard --description "WireGuard" --needs_exposed_ports "$port_wg"
yunohost service add wireguard_ui --description "WireGuard UI" --log "/var/log/$app/ui.log"
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1
# Start a systemd service
ynh_systemd_action --service_name=wireguard_ui --action="start" --log_path="/var/log/$app/ui.log"
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --time --weight=1
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of $app completed" --time --last