docker-tmserver/entrypoint-tmserver.sh

#!/bin/bash
#

set -e

if [[ -e /etc/tmserver/env ]]
then
	. /etc/tmserver/env
fi

# Evaluate all the available environment variables
if [[ -z "${SERVER_LOGIN}" ]]; then
	echo "Server account login is missing. Server cannot start."
	exit 9
fi
if [[ -z "${SERVER_LOGIN_PASSWORD}" ]]; then
	echo "Server account password is missing. Server cannot start."
	exit 9
fi
if [[ -z "${SERVER_PORT}" ]]; then
	echo "No server port was set. Defaulting to port 2350"
	SERVER_PORT="2350"
fi
if [[ -z "${SERVER_P2P_PORT}" ]]; then
	echo "No server peer2peer port was set. Defaulting to port 3450"
	SERVER_P2P_PORT="3450"
fi
if [[ -z "${SERVER_SA_PASSWORD}" ]]; then
	echo "No SuperAdmin password was set. Generating a random one. You can change it afterwards but it's also not that important"
	echo "Might aswell leave it as randomly generated"
	SERVER_SA_PASSWORD=$(pwgen -s 12)
	echo "SuperAdmin password: ${SERVER_SA_PASSWORD}"
fi
if [[ -z "${SERVER_ADM_PASSWORD}" ]]; then
	echo "No Admin password was set. Generating a random one. You can change it afterwards but it's also not that important"
	echo "Might aswell leave it as randomly generated"
	SERVER_ADM_PASSWORD=$(pwgen -s 12)
	echo "Admin password: ${SERVER_ADM_PASSWORD}"
fi
if [[ -z "${SERVER_NAME}" ]]; then
	echo "No server name was set. Defaulting to 'Trackmania Server'"
	SERVER_NAME="Trackmania Server"
fi
if [[ -z "${SERVER_COMMENT}" ]]; then
	echo "No server description was set. Defaulting to 'This is a Trackmania Server'"
	SERVER_COMMENT="This is a Trackmania Server"
fi

# Evaluation over
# Commencing substition in config files

#Trackmania Files

sed -i -e "s/--\$SERVER_SA_PASSWORD--/$SERVER_SA_PASSWORD/" \
	-e "s/--\$SERVER_ADM_PASSWORD--/$SERVER_ADM_PASSWORD/" \
	-e "s/--\$SERVER_LOGIN--/$SERVER_LOGIN/" \
	-e "s/--\$SERVER_LOGIN_PASSWORD--/$SERVER_LOGIN_PASSWORD/" \
	-e "s/--\$SERVER_NAME--/$SERVER_NAME/" \
	-e "s/--\$SERVER_COMMENT--/$SERVER_COMMENT/" \
	-e "s/--\$SERVER_PASSWORD--/$SERVER_PASSWORD/" \
	-e "s/--\$SERVER_PORT--/$SERVER_PORT/" \
	-e "s/--\$SERVER_P2P_PORT--/$SERVER_P2P_PORT/" \
	/opt/tmserver/GameData/Config/config.txt

exec "/opt/tmserver/TrackmaniaServer" "/nodaemon" "/internet" "/game_settings=MatchSettings/playlist.txt" "/dedicated_cfg=config.txt"