init.sh

#!/bin/bash

set -e

CURRENTUID=$(id -u)
HOME="/home/steam"
MSGERROR="\033[0;31mERROR:\033[0m"
MSGWARNING="\033[0;33mWARNING:\033[0m"
NUMCHECK='^[0-9]+$'
RAMAVAILABLE=$(awk '/MemAvailable/ {printf( "%d\n", $2 / 1024000 )}' /proc/meminfo)
USER="steam"

if [[ "${DEBUG,,}" == "true" ]]; then
    printf "Debugging enabled (the container will exit after printing the debug info)\\n\\nPrinting environment variables:\\n"
    export

    echo "
System info:
OS:  $(uname -a)
CPU: $(lscpu | grep 'Model name:' | sed 's/Model name:[[:space:]]*//g')
RAM: $(awk '/MemAvailable/ {printf( "%d\n", $2 / 1024000 )}' /proc/meminfo)GB/$(awk '/MemTotal/ {printf( "%d\n", $2 / 1024000 )}' /proc/meminfo)GB
HDD: $(df -h | awk '$NF=="/"{printf "%dGB/%dGB (%s used)\n", $3,$2,$5}')"
    printf "\\nCurrent user:\\n%s" "$(id)"
    printf "\\nProposed user:\\nuid=%s(?) gid=%s(?) groups=%s(?)\\n" "$PUID" "$PGID" "$PGID"
    printf "\\nExiting...\\n"
    exit 1
fi

# check that the cpu isn't generic, as Satisfactory will crash
if [[ $(lscpu | grep 'Model name:' | sed 's/Model name:[[:space:]]*//g') = "Common KVM processor" ]]; then
    printf "${MSGERROR} Your CPU model is configured as \"Common KVM processor\", which will cause Satisfactory to crash.\\nIf you have control over your hypervisor (ESXi, Proxmox, etc.), you should be able to easily change this.\\nOtherwise contact your host/administrator for assistance.\\n"
    exit 1
fi

printf "Checking available memory...%sGB detected\\n" "$RAMAVAILABLE"
if [[ "$RAMAVAILABLE" -lt 12 ]]; then
    printf "${MSGWARNING} You have less than the required 12GB minmum (%sGB detected) of available RAM to run the game server.\\nIt is likely that the server will fail to load properly.\\n" "$RAMAVAILABLE"
fi

# check if the user and group IDs have been set
if [[ "$CURRENTUID" -ne "0" ]] && [[ "${ROOTLESS,,}" != "true" ]]; then
    printf "${MSGERROR} Current user (%s) is not root (0)\\nPass your user and group to the container using the PGID and PUID environment variables\\nDo not use the --user flag (or user: field in Docker Compose) without setting ROOTLESS=true\\n" "$CURRENTUID"
    exit 1
fi

if ! [[ "$PGID" =~ $NUMCHECK ]] ; then
    printf "${MSGWARNING} Invalid group id given: %s\\n" "$PGID"
    PGID="1000"
elif [[ "$PGID" -eq 0 ]]; then
    printf "${MSGERROR} PGID/group cannot be 0 (root)\\n"
    exit 1
fi

if ! [[ "$PUID" =~ $NUMCHECK ]] ; then
    printf "${MSGWARNING} Invalid user id given: %s\\n" "$PUID"
    PUID="1000"
elif [[ "$PUID" -eq 0 ]]; then
    printf "${MSGERROR} PUID/user cannot be 0 (root)\\n"
    exit 1
fi

if [[ "${ROOTLESS,,}" != "true" ]]; then
  if [[ $(getent group $PGID | cut -d: -f1) ]]; then
      usermod -a -G "$PGID" steam
  else
      groupmod -g "$PGID" steam
  fi

  if [[ $(getent passwd ${PUID} | cut -d: -f1) ]]; then
      USER=$(getent passwd $PUID | cut -d: -f1)
  else
      usermod -u "$PUID" steam
  fi
fi

if [[ ! -w "/config" ]]; then
    echo "The current user does not have write permissions for /config"
    exit 1
fi

mkdir -p \
    /config/backups \
    /config/gamefiles \
    /config/overrides \
    /config/saved/blueprints \
    /config/saved/server \
    "${GAMECONFIGDIR}/Config/LinuxServer" \
    "${GAMECONFIGDIR}/Logs" \
    "${GAMESAVESDIR}/server" \
    || exit 1

if [[ "${ROOTLESS,,}" != "true" ]]; then
  chown -R "$PUID":"$PGID" /config /home/steam /tmp/dumps
  exec gosu "$USER" "/home/steam/run.sh" "$@"
else
  exec "/home/steam/run.sh" "$@"
fi