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lemmy_ynh/scripts/restore
2022-09-24 18:22:25 +02:00

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#!/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_clean_setup () {
true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# 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=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=1
test ! -d $final_path \
|| ynh_die --message="There is already a directory: $final_path "
#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"
#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1
ynh_restore_file --origin_path="$final_path"
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:$app "$final_path"
#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring the data directory..." --weight=1
ynh_restore_file --origin_path="$datadir" --not_mandatory
mkdir -p $datadir
chmod 750 "$datadir"
chmod -R o-rwx "$datadir"
chown -R $app:$app "$datadir"
#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=1
# Define and install dependencies
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
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1
ynh_psql_test_if_first_run
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