grafana_ynh/scripts/upgrade

#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

shopt -s extglob  # sets extended pattern matching options in the bash shell

app=$YNH_APP_INSTANCE_NAME

# Source local helpers
source ./_common.sh
SRCPATH=$(pwd)

# Source YunoHost helpers
source /usr/share/yunohost/helpers

# Retrieve app settings
domain=$(ynh_app_setting_get "$app" domain)
path=$(ynh_app_setting_get "$app" path)
is_public=$(ynh_app_setting_get "$app" is_public)
port=$(ynh_app_setting_get "$app" port)

# test port settings
if [[ -z "$port" ]]; then
    port=3000
    ynh_app_setting_set $app port $port
fi

# Fix path if needed
path=$(fix_path $path)

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Use prior backup and restore on error only if backup feature
# exists on installed instance
ynh_backup_before_upgrade # Backup the current version of the app
ynh_clean_setup () {
    ynh_restore_upgradebackup
}
ynh_abort_if_errors	# Stop script if an error is detected

# There's currently nothing else to upgrade than packaging files
# as InfluxDB/Grafana updates are managed through APT

# Restart service
sudo systemctl restart grafana-server

# Declare services for YunoHost monitoring
sudo yunohost service add influxdb
sudo yunohost service add grafana-server --log "/var/log/grafana/grafana.log"

# Upgrade dependencies if needed
install_dependencies

# Modify Nginx configuration file and copy it to Nginx conf directory
if [[ "$path" == "/" ]] ; then
  nginx_conf=$SRCPATH/../conf/nginx_root.conf
else
  nginx_conf=$SRCPATH/../conf/nginx_sub_dir.conf
fi

sed -i "s@YNH_WWW_PATH@${path}@g" $nginx_conf
sed -i "s@YNH_WWW_PORT@$port@g" $nginx_conf
sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf

# If app is public, add url to SSOWat conf as skipped_uris
if [[ $is_public -eq 1 ]]; then
  # See install script
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

# Reload nginx service
sudo systemctl reload nginx