lemmy_ynh/scripts/restore

#!/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
#=================================================

#REMOVEME? ynh_clean_setup () {
	true
}
# Exit if an error occurs during the execution of the script
#REMOVEME? ynh_abort_if_errors

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

#REMOVEME? app=$YNH_APP_INSTANCE_NAME

#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
#REMOVEME? db_name=$(ynh_app_setting_get --app=$app --key=db_name)
#REMOVEME? db_user=$db_name
#REMOVEME? db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
#REMOVEME? ynh_script_progression --message="Validating restoration parameters..." --weight=1

#REMOVEME? test ! -d $install_dir \
	|| ynh_die --message="There is already a directory: $install_dir "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RECREATE THE DEDICATED USER
#=================================================
#REMOVEME? ynh_script_progression --message="Recreating the dedicated system user..." --weight=1

# Create the dedicated user (if not existing)
#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1

ynh_restore_file --origin_path="$install_dir"

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:$app "$install_dir"

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring the data directory..." --weight=1

ynh_restore_file --origin_path="$data_dir" --not_mandatory

mkdir -p $data_dir

chmod 750 "$data_dir"
chmod -R o-rwx "$data_dir"
chown -R $app:$app "$data_dir"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Reinstalling dependencies..." --weight=1

# Define and install dependencies
#REMOVEME? ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
ynh_use_nodejs
ln -fs /usr/lib/x86_64-linux-musl/libc.so /lib/libc.musl-x86_64.so.1

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..." --weight=1

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
#REMOVEME? ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1

#REMOVEME? ynh_psql_test_if_first_run
#REMOVEME? ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_psql_execute_file_as_root --file="./db.sql" --database="$db_name"
ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pgcrypto;" --database="$db_name"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-ui.service"
systemctl enable $app-ui.service --quiet

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1

mkdir -p "/var/log/$app"
chmod 750 "/var/log/$app"
chmod -R o-rwx "/var/log/$app"
chown -R $app:$app "/var/log/$app"

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --log="/var/log/$app/$app.log"
yunohost service add $app-ui --log="/var/log/$app/$app-ui.log"

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

ynh_systemd_action --service_name=$app --action="start" --line_match="Starting http server at" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name=$app-ui --action="start" --line_match="http://0.0.0.0" --log_path="/var/log/$app/$app-ui.log"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app" --last