update_factorio_servers.sh

#!/bin/bash
# Used to update Factorio servers located on INSTALL_PATH
# to latest version of servers.
# Your server installations needs to follow the headless architecture "INSTALL_PATH/$name/factorio/{bin,config,...}"
# To work correctly this script want to found a systemctl service attached to your install location
# to restart the server.
# WARNING: No backup is done during this update.

export INSTALL_PATH="/home/factorio"
export LATEST_URL="https://factorio.com/get-download/latest/headless/linux64"
export LOCAL_NAME="server-latest"
export LOCAL_TAR_GZ="$LOCAL_NAME.tar.gz"

echo "> Update Factorio server located on $INSTALL_PATH..."
export FIND_PATH="$INSTALL_PATH/*/factorio"
echo "> Look at $FIND_PATH"

echo "> Found $(find $INSTALL_PATH/* -type d -name "factorio" | wc -l) installation(s) on $INSTALL_PATH"

echo "\n> Downloading Factorio latest version"
wget -qO /tmp/$LOCAL_TAR_GZ $LATEST_URL

echo "> Untar the archive in /tmp/$LOCAL_NAME"
mkdir -p /tmp/$LOCAL_NAME
tar -xf /tmp/$LOCAL_TAR_GZ -C /tmp/$LOCAL_NAME

echo ""
for pth in $(find $INSTALL_PATH/* -type d -name "factorio"); do
  echo "> Update server at $pth"
  serviceName=$(ps -e -o pid,unit,cmd | grep $pth | awk '{print $2}' | grep -v "session" | head -n 1)
  if [ ! -z "$serviceName" ]; then
    echo "> Stop the service $serviceName..."
    systemctl stop $serviceName
  fi
  echo "> Update files..."
  cp -rf /tmp/$LOCAL_NAME/factorio/* $pth/
  if [ ! -z "$serviceName" ]; then
    echo "> Restart the service $serviceName..."
    systemctl restart $serviceName
  fi

  echo "> Update of $serviceName completed successfully !\n"
done