user/velocity: new aport
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5 changed files with 615 additions and 0 deletions
51
user/velocity/APKBUILD
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51
user/velocity/APKBUILD
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# Maintainer: Antoine Martin (ayakael) <dev@ayakael.net>
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# Contributor: Antoine Martin (ayakael) <dev@ayakael.net>
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pkgname=velocity
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pkgver=3.4.0_pre459
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_gittag=00b68859fffa31bc5bd66338e339131ddbb50ff5
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pkgrel=0
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pkgdesc="The modern, next-generation Minecraft server proxy."
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arch='noarch'
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url="https://papermc.io/software/velocity"
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license='GPL-3.0-only'
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depends='openjdk21-jdk screen sudo bash gawk sed netcat-openbsd'
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makedepends="gradle"
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options="!check"
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subpackages="$pkgname-openrc"
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builddir="$srcdir"/Velocity-$_gittag
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source="
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$pkgname-$_gittag.tar.gz::https://github.com/PaperMC/Velocity/archive/$_gittag.tar.gz
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velocity.initd
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velocity.conf
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velocity.sh
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"
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build() {
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./gradlew --parallel build
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}
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check() {
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./gradlew --parallel check
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}
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package() {
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install -Dm644 "$srcdir"/$pkgname.conf "$pkgdir"/etc/conf.d/$pkgname
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install -Dm755 "$srcdir"/$pkgname.sh "$pkgdir"/usr/bin/$pkgname
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install -Dm755 "$srcdir"/$pkgname.initd "$pkgdir"/etc/init.d/$pkgname
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install -Dm644 "$builddir"/build/libs/velocity*.jar "$pkgdir"/var/lib/$pkgname/$pkgver.jar
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ln -s $pkgver.jar "$pkgdir"/var/lib/$pkgname/server.jar
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# Link the log files
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mkdir -p "$pkgdir"/var/log/
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install -dm2755 "$pkgdir"/var/lib/$pkgname/logs
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ln -s "/var/lib/$pkgname"/logs "$pkgdir"/var/log/$pkgname
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# Give the group write permissions and set user or group ID on execution
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chmod g+ws "$pkgdir"/var/lib/$pkgname
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}
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sha512sums="
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856d3b0efdc7199b922aae07cf33259af74823dd95fce8deb0fd54db0d416b935330487568989ec576616fac562c3e9bb8626c79c84ce2e4060225c50ec161ae velocity-00b68859fffa31bc5bd66338e339131ddbb50ff5.tar.gz
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c5d1bf85ceb74162aaaf2bcd2d06dc2e3dd2e37c39f0cee2be7c8dbff9970a6aff1e48a43e6d1e83e6a0ac610bd89f62b1279bf27b64afa88d9831a36aebbd3e velocity.initd
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9b8e267428731ee9255f82a93f1e8674d7e917a0f154bd395cd2280a49aa248a4b8427520b08dbb4b3a74a5471dac0e439eedc8ab94bf2e53bb8d411d2d8a789 velocity.conf
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943ba0d4c10173246bdc6497dcedd54da0788f966841c8d3381398711d79f8d5eb07a24ce28f519b6f24f59d99fa9e74bc6bb882059f343df4eeda5de3660ac7 velocity.sh
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"
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28
user/velocity/velocity.conf
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28
user/velocity/velocity.conf
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# THIS IS THE CONFIGURATION FILE FOR THE MANAGING SCRIPT NOT FOR THE ACTUAL SERVER
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# Variables are interpreted in bash. Simply using bash-syntax is sufficient.
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# General parameters
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SERVER_ROOT="/var/lib/papermc"
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BACKUP_DEST="/var/lib/papermc/backup"
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BACKUP_PATHS="world" # World paths separated by spaces relative to SERVER_ROOT
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KEEP_BACKUPS="10"
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GAME_USER="craftbukkit"
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MAIN_EXECUTABLE="papermc_server.jar"
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SESSION_NAME="papermc"
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# System parameters for java
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# -Xms sets the intial heap size (must be a multiple of 1024 and greater than 2MB, no spaces!)
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# -Xmx sets the maximum heap size (must be a multiple of 1024 and greater than 2MB, no spaces!)
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# -XX:ParallelGCThreads defines the number of threads the server may use
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SERVER_START_CMD="java -Xms512M -Xmx1024M -XX:ParallelGCThreads=1 -jar './${MAIN_EXECUTABLE}' nogui"
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# System parameters for the actual game server
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# Describes whether a daemon process which stops the server if it is not used by a player
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# within IDLE_IF_TIME seconds should be started. The GAME_PORT is not inhereted to the server!
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IDLE_SERVER=false # true or false
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# Ensure that if SESSION_NAME is passed through the command line and therefore set to read only by the script,
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# IDLE_SESSION_NAME gets altered according to the command line and not the configurtion file, hence invoke the variable
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IDLE_SESSION_NAME="idle_server_${SESSION_NAME}"
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GAME_PORT="25565" # used to listen for incoming connections when the server is down
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CHECK_PLAYER_TIME="30" # in seconds
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IDLE_IF_TIME="1200" # in seconds
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32
user/velocity/velocity.initd
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32
user/velocity/velocity.initd
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#!/sbin/openrc-run
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# Distributed under the terms of the GNU General Public License, v2 or later
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PAPERMC_HOME=${PAPERMC_HOME:-/var/lib/${SVCNAME}}
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PAPERMC_USER=${PAPERMC_USER:-${SVCNAME}}
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PIDFILE=/run/papermc/papermc.pid
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depend() {
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after net
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}
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start() {
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checkpath -dq -o papermc:papermc -m 755 /run/papermc/
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ebegin "Starting ${SVCNAME}"
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start-stop-daemon \
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--start --user "${PAPERMC_USER}" --name papermc \
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--env HOME="${PAPERMC_HOME}" --exec /usr/bin/papermc \
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--pidfile="${PIDFILE}" \
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-- \
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start
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eend $?
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}
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stop() {
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ebegin "Stopping ${SVCNAME}"
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start-stop-daemon --stop --user "${PAPERMC_USER}" \
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--pidfile "${PIDFILE}" \
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--wait 15000 \
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--progress
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eend $?
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}
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9
user/velocity/velocity.post-install
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9
user/velocity/velocity.post-install
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_game="papermc"
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_user="craftbukkit"
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_server_root="/var/lib/papermc"
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echo "The world data is stored under ${_server_root} and the server runs as ${_user} user to increase security."
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echo "Use the ${_game} script under /usr/bin/${_game} to start, stop or backup the server."
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echo "Adjust the configuration file under /etc/conf.d/${_game} to your liking."
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echo "For the server to start you have to accept the EULA in ${_server_root}/eula.txt !"
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echo "The EULA file is generated after the first server start."
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495
user/velocity/velocity.sh
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495
user/velocity/velocity.sh
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#!/bin/bash
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# The actual program name
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declare -r myname="papermc"
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declare -r game="papermc"
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# General rule for the variable-naming-schema:
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# Variables in capital letters may be passed through the command line others not.
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# Avoid altering any of those later in the code since they may be readonly (IDLE_SERVER is an exception!)
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# You may use this script for any game server of your choice, just alter the config file
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[[ -n "${SERVER_ROOT}" ]] && declare -r SERVER_ROOT=${SERVER_ROOT} || SERVER_ROOT="/srv/${game}"
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[[ -n "${BACKUP_DEST}" ]] && declare -r BACKUP_DEST=${BACKUP_DEST} || BACKUP_DEST="/srv/${game}/backup"
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[[ -n "${BACKUP_PATHS}" ]] && declare -r BACKUP_PATHS=${BACKUP_PATHS} || BACKUP_PATHS="world"
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[[ -n "${BACKUP_FLAGS}" ]] && declare -r BACKUP_FLAGS=${BACKUP_FLAGS} || BACKUP_FLAGS="-z"
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[[ -n "${KEEP_BACKUPS}" ]] && declare -r KEEP_BACKUPS=${KEEP_BACKUPS} || KEEP_BACKUPS="10"
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[[ -n "${GAME_USER}" ]] && declare -r GAME_USER=${GAME_USER} || GAME_USER="papermc"
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[[ -n "${MAIN_EXECUTABLE}" ]] && declare -r MAIN_EXECUTABLE=${MAIN_EXECUTABLE} || MAIN_EXECUTABLE="papermc_server.jar"
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[[ -n "${SESSION_NAME}" ]] && declare -r SESSION_NAME=${SESSION_NAME} || SESSION_NAME="${game}"
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# Command and parameter declaration with which to start the server
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[[ -n "${SERVER_START_CMD}" ]] && declare -r SERVER_START_CMD=${SERVER_START_CMD} || SERVER_START_CMD="java -Xms512M -Xmx1024M -XX:ParallelGCThreads=1 -jar './${MAIN_EXECUTABLE}' nogui"
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# System parameters for the control script
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[[ -n "${IDLE_SERVER}" ]] && tmp_IDLE_SERVER=${IDLE_SERVER} || IDLE_SERVER="false"
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[[ -n "${IDLE_SESSION_NAME}" ]] && declare -r IDLE_SESSION_NAME=${IDLE_SESSION_NAME} || IDLE_SESSION_NAME="idle_server_${SESSION_NAME}"
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[[ -n "${GAME_PORT}" ]] && declare -r GAME_PORT=${GAME_PORT} || GAME_PORT="25565"
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[[ -n "${CHECK_PLAYER_TIME}" ]] && declare -r CHECK_PLAYER_TIME=${CHECK_PLAYER_TIME} || CHECK_PLAYER_TIME="30"
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[[ -n "${IDLE_IF_TIME}" ]] && declare -r IDLE_IF_TIME=${IDLE_IF_TIME} || IDLE_IF_TIME="1200"
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# Additional configuration options which only few may need to alter
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[[ -n "${GAME_COMMAND_DUMP}" ]] && declare -r GAME_COMMAND_DUMP=${GAME_COMMAND_DUMP} || GAME_COMMAND_DUMP="/tmp/${myname}_${SESSION_NAME}_command_dump.txt"
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# Variables passed over the command line will always override the one from a config file
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source /etc/conf.d/"${game}" 2>/dev/null || >&2 echo "Could not source /etc/conf.d/${game}"
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# Preserve the content of IDLE_SERVER without making it readonly
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[[ -n ${tmp_IDLE_SERVER} ]] && IDLE_SERVER=${tmp_IDLE_SERVER}
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# Strictly disallow uninitialized Variables
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set -u
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# Exit if a single command breaks and its failure is not handled accordingly
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set -e
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# Check whether sudo is needed at all
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if [[ "$(whoami)" == "${GAME_USER}" ]]; then
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SUDO_CMD=""
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else
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SUDO_CMD="sudo -u ${GAME_USER}"
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fi
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# Choose which flavor of netcat is to be used
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if command -v netcat &> /dev/null; then
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NETCAT_CMD="netcat"
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elif command -v ncat &> /dev/null; then
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NETCAT_CMD="ncat"
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else
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NETCAT_CMD=""
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fi
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# Check for sudo rigths
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if [[ "$(${SUDO_CMD} whoami)" != "${GAME_USER}" ]]; then
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>&2 echo -e "You have \e[39;1mno permission\e[0m to run commands as $GAME_USER user."
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exit 21
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fi
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# Pipe any given argument to the game server console,
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# sleep for $sleep_time and return its output if $return_stdout is set
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game_command() {
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if [[ -z "${return_stdout:-}" ]]; then
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${SUDO_CMD} screen -S "${SESSION_NAME}" -X stuff "$(printf "%s\r" "$*")"
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else
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${SUDO_CMD} screen -S "${SESSION_NAME}" -X log on
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${SUDO_CMD} screen -S "${SESSION_NAME}" -X stuff "$(printf "%s\r" "$*")"
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sleep "${sleep_time:-0.3}"
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${SUDO_CMD} screen -S "${SESSION_NAME}" -X log off
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${SUDO_CMD} cat "${GAME_COMMAND_DUMP}"
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${SUDO_CMD} rm "${GAME_COMMAND_DUMP}"
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fi
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}
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# Check whether there are player on the server through list
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is_player_online() {
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response="$(sleep_time=0.6 return_stdout=true game_command list)"
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# Delete leading line and free response string from fancy characters
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response="$(echo "${response}" | sed -r -e 's/\x1B\[([0-9]{1,2}(;[0-9]{1,2})*)?[JKmsuG]//g')"
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# The list command prints a line containing the usernames after the last occurrence of ": "
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# and since playernames may not contain this string the clean player-list can easily be retrieved.
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# Otherwise check the first digit after the last occurrence of "There are". If it is 0 then there
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# are no players on the server. Should this test fail as well. Assume that a player is online.
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if [[ $(echo "${response}" | grep ":" | sed -e 's/.*\: //' | tr -d '\n' | wc -c) -le 1 ]]; then
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# No player is online
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return 0
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elif [[ "x$(echo "${response}" | grep "There are" | sed -r -e 's/.*\: //' -e 's/^([^.]+).*$/\1/; s/^[^0-9]*([0-9]+).*$/\1/' | tr -d '\n')" == "x0" ]]; then
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# No player is online
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return 0
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else
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# A player is online (or it could not be determined)
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return 1
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fi
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}
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# Check whether the server is visited by a player otherwise shut it down
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idle_server_daemon() {
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# This function is run within a screen session of the GAME_USER therefore SUDO_CMD can be omitted
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if [[ "$(whoami)" != "${GAME_USER}" ]]; then
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>&2 echo "Somehow this hidden function was not executed by the ${GAME_USER} user."
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>&2 echo "This should not have happend. Are you messing around with this script? :P"
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exit 22
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fi
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# Time in seconds for which no player was on the server
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no_player=0
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while true; do
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echo -e "no_player: ${no_player}s\tcheck_player_time: ${CHECK_PLAYER_TIME}s\tidle_if_time: ${IDLE_IF_TIME}s"
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# Retry in ${CHECK_PLAYER_TIME} seconds
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sleep ${CHECK_PLAYER_TIME}
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if screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
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# Game server is up and running
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if [[ "$(screen -S "${SESSION_NAME}" -ls | sed -n "s/.*${SESSION_NAME}\s\+//gp")" == "(Attached)" ]]; then
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# An administrator is connected to the console, pause player checking
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echo "An admin is connected to the console. Pause player checking."
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# Check for active player
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elif SUDO_CMD="" is_player_online; then
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# No player was seen on the server through list
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no_player=$(( no_player + CHECK_PLAYER_TIME ))
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# Stop the game server if no player was active for at least ${IDLE_IF_TIME}
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if [[ "${no_player}" -ge "${IDLE_IF_TIME}" ]]; then
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IDLE_SERVER="false" ${myname} stop
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# Wait for game server to go down
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for i in {1..100}; do
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screen -S "${SESSION_NAME}" -Q select . > /dev/null || break
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[[ $i -eq 100 ]] && echo -e "An \e[39;1merror\e[0m occurred while trying to reset the idle_server!"
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sleep 0.1
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done
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# Reset timer and give the player 300 seconds to connect after pinging
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no_player=$(( IDLE_IF_TIME - 300 ))
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# Game server is down, listen on port ${GAME_PORT} for incoming connections
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echo -n "Netcat: "
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${NETCAT_CMD} -v -l -p ${GAME_PORT} && echo "Netcat caught an connection. The server is coming up again..."
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IDLE_SERVER="false" ${myname} start
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fi
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else
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# Reset timer since there is an active player on the server
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no_player=0
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fi
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else
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# Reset timer and give the player 300 seconds to connect after pinging
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no_player=$(( IDLE_IF_TIME - 300 ))
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# Game server is down, listen on port ${GAME_PORT} for incoming connections
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echo -n "Netcat: "
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${NETCAT_CMD} -v -l -p ${GAME_PORT} && echo "Netcat caught an connection. The server is coming up again..."
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IDLE_SERVER="false" ${myname} start
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fi
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done
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}
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# Start the server if it is not already running
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server_start() {
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# Start the game server
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if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
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echo "A screen ${SESSION_NAME} session is already running. Please close it first."
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else
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echo -en "Starting server..."
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${SUDO_CMD} screen -dmS "${SESSION_NAME}" /bin/bash -c "cd '${SERVER_ROOT}'; ${SERVER_START_CMD}"
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local PID=$(${SUDO_CMD} screen -list | grep "\.papermc" | cut -f1 -d'.' | sed 's/\W//g')
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echo -en " on process ${PID}..."
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echo ${PID} > /run/papermc/papermc.pid
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${SUDO_CMD} screen -S "${SESSION_NAME}" -X logfile "${GAME_COMMAND_DUMP}"
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echo -e "\e[39;1m done\e[0m"
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fi
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if [[ "${IDLE_SERVER,,}" == "true" ]]; then
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# Check for the availability of the netcat (nc) binaries
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if [[ -z "${NETCAT_CMD}" ]]; then
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>&2 echo "The netcat binaries are needed for suspending an idle server."
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exit 12
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fi
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# Start the idle server daemon
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if ${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -Q select . > /dev/null; then
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${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -X quit
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# Restart as soon as the idle_server_daemon has shut down completely
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for i in {1..100}; do
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if ! ${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -Q select . > /dev/null; then
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${SUDO_CMD} screen -dmS "${IDLE_SESSION_NAME}" /bin/bash -c "${myname} idle_server_daemon"
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break
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fi
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[[ $i -eq 100 ]] && echo -e "An \e[39;1merror\e[0m occurred while trying to reset the idle_server!"
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sleep 0.1
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done
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else
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echo -en "Starting idle server daemon..."
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${SUDO_CMD} screen -dmS "${IDLE_SESSION_NAME}" /bin/bash -c "${myname} idle_server_daemon"
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echo -e "\e[39;1m done\e[0m"
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fi
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fi
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}
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# Stop the server gracefully by saving everything prior and warning the users
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server_stop() {
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# Quit the idle daemon
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if [[ "${IDLE_SERVER,,}" == "true" ]]; then
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# Check for the availability of the netcat (nc) binaries
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if [[ -z "${NETCAT_CMD}" ]]; then
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>&2 echo "The netcat binaries are needed for suspending an idle server."
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exit 12
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fi
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if ${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -Q select . > /dev/null; then
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echo -en "Stopping idle server daemon..."
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${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -X quit
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echo -e "\e[39;1m done\e[0m"
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else
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echo "The corresponding screen session for ${IDLE_SESSION_NAME} was already dead."
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fi
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fi
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# Gracefully exit the game server
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if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
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# Game server is up and running, gracefully stop the server when there are still active players
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# Check for active player
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if is_player_online; then
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# No player was seen on the server through list
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echo -en "Server is going down..."
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game_command stop
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else
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# Player(s) were seen on the server through list (or an error occurred)
|
||||
# Warning the users through the server console
|
||||
game_command say "Server is going down in 10 seconds! HURRY UP WITH WHATEVER YOU ARE DOING!"
|
||||
game_command save-all
|
||||
echo -en "Server is going down in..."
|
||||
for i in {1..10}; do
|
||||
game_command say "down in... $(( 10 - i ))"
|
||||
echo -n " $(( 10 - i ))"
|
||||
sleep 1
|
||||
done
|
||||
game_command stop
|
||||
fi
|
||||
|
||||
# Finish as soon as the server has shut down completely
|
||||
for i in {1..100}; do
|
||||
if ! ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
echo -e "\e[39;1m done\e[0m"
|
||||
break
|
||||
fi
|
||||
[[ $i -eq 100 ]] && echo -e "\e[39;1m timed out\e[0m"
|
||||
sleep 0.1
|
||||
done
|
||||
else
|
||||
echo "The corresponding screen session for ${SESSION_NAME} was already dead."
|
||||
fi
|
||||
}
|
||||
|
||||
# Print whether the server is running and if so give some information about memory usage and threads
|
||||
server_status() {
|
||||
# Print status information about the idle daemon
|
||||
if [[ "${IDLE_SERVER,,}" == "true" ]]; then
|
||||
# Check for the availability of the netcat (nc) binaries
|
||||
if [[ -z "${NETCAT_CMD}" ]]; then
|
||||
>&2 echo "The netcat binaries are needed for suspending an idle server."
|
||||
exit 12
|
||||
fi
|
||||
|
||||
if ${SUDO_CMD} screen -S "${IDLE_SESSION_NAME}" -Q select . > /dev/null; then
|
||||
echo -e "Idle server daemon status:\e[39;1m running\e[0m"
|
||||
else
|
||||
echo -e "Idle server daemon status:\e[39;1m stopped\e[0m"
|
||||
fi
|
||||
fi
|
||||
|
||||
# Print status information for the game server
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
echo -e "Status:\e[39;1m running\e[0m"
|
||||
|
||||
# Calculating memory usage
|
||||
for p in $(${SUDO_CMD} pgrep -f "${MAIN_EXECUTABLE}"); do
|
||||
ps -p"${p}" -O rss | tail -n 1;
|
||||
done | gawk '{ count ++; sum += $2 }; END {count --; print "Number of processes =", count, "(screen, bash,", count-2, "x server)"; print "Total memory usage =", sum/1024, "MB" ;};'
|
||||
else
|
||||
echo -e "Status:\e[39;1m stopped\e[0m"
|
||||
fi
|
||||
}
|
||||
|
||||
# Restart the complete server by shutting it down and starting it again
|
||||
server_restart() {
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
server_stop
|
||||
server_start
|
||||
else
|
||||
server_start
|
||||
fi
|
||||
}
|
||||
|
||||
# Backup the directories specified in BACKUP_PATHS
|
||||
backup_files() {
|
||||
# Check for the availability of the tar binaries
|
||||
if ! command -v tar &> /dev/null; then
|
||||
>&2 echo "The tar binaries are needed for a backup."
|
||||
exit 11
|
||||
fi
|
||||
|
||||
echo "Starting backup..."
|
||||
fname="$(date +%Y_%m_%d_%H.%M.%S).tar.gz"
|
||||
${SUDO_CMD} mkdir -p "${BACKUP_DEST}"
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
game_command save-off
|
||||
game_command save-all
|
||||
sync && wait
|
||||
${SUDO_CMD} tar -C "${SERVER_ROOT}" -cf "${BACKUP_DEST}/${fname}" ${BACKUP_PATHS} --totals ${BACKUP_FLAGS} 2>&1 | grep -v "tar: Removing leading "
|
||||
game_command save-on
|
||||
else
|
||||
${SUDO_CMD} tar -C "${SERVER_ROOT}" -cf "${BACKUP_DEST}/${fname}" ${BACKUP_PATHS} --totals ${BACKUP_FLAGS} 2>&1 | grep -v "tar: Removing leading "
|
||||
fi
|
||||
echo -e "\e[39;1mbackup completed\e[0m\n"
|
||||
|
||||
echo -n "Only keeping the last ${KEEP_BACKUPS} backups and removing the other ones..."
|
||||
backup_count=$(for f in "${BACKUP_DEST}"/[0-9_.]*; do echo "${f}"; done | wc -l)
|
||||
if [[ $(( backup_count - KEEP_BACKUPS )) -gt 0 ]]; then
|
||||
for old_backup in $(for f in "${BACKUP_DEST}"/[0-9_.]*; do echo "${f}"; done | head -n"$(( backup_count - KEEP_BACKUPS ))"); do
|
||||
${SUDO_CMD} rm "${old_backup}";
|
||||
done
|
||||
echo -e "\e[39;1m done\e[0m ($(( backup_count - KEEP_BACKUPS)) backup(s) pruned)"
|
||||
else
|
||||
echo -e "\e[39;1m done\e[0m (no backups pruned)"
|
||||
fi
|
||||
}
|
||||
|
||||
# Restore backup
|
||||
backup_restore() {
|
||||
# Check for the availability of the tar binaries
|
||||
if ! command -v tar &> /dev/null; then
|
||||
>&2 echo "The tar binaries are needed for a backup."
|
||||
exit 11
|
||||
fi
|
||||
|
||||
# Only allow the user to restore a backup if the server is down
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
>&2 echo -e "The \e[39;1mserver should be down\e[0m in order to restore the world data."
|
||||
exit 3
|
||||
fi
|
||||
|
||||
# Either let the user choose a backup or expect one as an argument
|
||||
if [[ $# -lt 1 ]]; then
|
||||
echo "Please enter the corresponding number for the backup to be restored: "
|
||||
i=1
|
||||
for f in "${BACKUP_DEST}"/[0-9_.]*; do
|
||||
echo -e " \e[39;1m$i)\e[0m\t$f"
|
||||
i=$(( i + 1 ))
|
||||
done
|
||||
echo -en "Restore backup number: "
|
||||
|
||||
# Read in user input
|
||||
read -r user_choice
|
||||
|
||||
# Interpeting the input
|
||||
if [[ $user_choice =~ ^-?[0-9]+$ ]]; then
|
||||
n=1
|
||||
for f in "${BACKUP_DEST}"/[0-9_.]*; do
|
||||
[[ ${n} -eq $user_choice ]] && fname="$f"
|
||||
n=$(( n + 1 ))
|
||||
done
|
||||
if [[ -z $fname ]]; then
|
||||
>&2 echo -e "\e[39;1mFailed\e[0m to interpret your input. Please enter the digit of the presented options."
|
||||
exit 5
|
||||
fi
|
||||
else
|
||||
>&2 echo -e "\e[39;1mFailed\e[0m to interpret your input. Please enter a valid digit for one of the presented options."
|
||||
exit 6
|
||||
fi
|
||||
elif [[ $# -eq 1 ]]; then
|
||||
# Check for the existance of the specified file
|
||||
if [[ -f "$1" ]]; then
|
||||
fname="$1"
|
||||
else
|
||||
if [[ -f "${BACKUP_DEST}"/"$1" ]]; then
|
||||
fname="${BACKUP_DEST}"/"$1"
|
||||
else
|
||||
>&2 echo -e "Sorry, but '$1', is \e[39;1mnot a valid file\e[0m, neither in your current directory nor in the backup folder."
|
||||
exit 4
|
||||
fi
|
||||
fi
|
||||
elif [[ $# -gt 1 ]]; then
|
||||
>&2 echo -e "\e[39;1mToo many arguments.\e[0m Please pass only the filename for the world data as an argument."
|
||||
>&2 echo "Or alternatively, no arguments at all to choose from a list of available backups."
|
||||
exit 7
|
||||
fi
|
||||
|
||||
echo "Restoring backup..."
|
||||
if ${SUDO_CMD} tar -xf "${fname}" -C "${SERVER_ROOT}" 2>&1; then
|
||||
echo -e "\e[39;1mRestoration completed\e[0m"
|
||||
else
|
||||
echo -e "\e[39;1mFailed to restore backup.\e[0m"
|
||||
fi
|
||||
}
|
||||
|
||||
# Run the given command at the game server console
|
||||
server_command() {
|
||||
if [[ $# -lt 1 ]]; then
|
||||
>&2 echo "No server command specified. Try 'help' for a list of commands."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
return_stdout=true game_command "$@"
|
||||
else
|
||||
echo "There is no ${SESSION_NAME} session to connect to."
|
||||
fi
|
||||
}
|
||||
|
||||
# Enter the screen game session
|
||||
server_console() {
|
||||
if ${SUDO_CMD} screen -S "${SESSION_NAME}" -Q select . > /dev/null; then
|
||||
# Circumvent a permission bug related to running GNU screen as a different user,
|
||||
# see e.g. https://serverfault.com/questions/116775/sudo-as-different-user-and-running-screen
|
||||
${SUDO_CMD} script -q -c "screen -S \"${SESSION_NAME}\" -rx" /dev/null
|
||||
else
|
||||
echo "There is no ${SESSION_NAME} session to connect to."
|
||||
fi
|
||||
}
|
||||
|
||||
# Help function, no arguments required
|
||||
help() {
|
||||
cat <<-EOF
|
||||
This script was designed to easily control any ${game} server. Almost any parameter for a given
|
||||
${game} server derivative can be changed by editing the variables in the configuration file.
|
||||
|
||||
Usage: ${myname} {start|stop|restart|status|backup|restore|command <command>|console}
|
||||
start Start the ${game} server
|
||||
stop Stop the ${game} server
|
||||
restart Restart the ${game} server
|
||||
status Print some status information
|
||||
backup Backup the world data
|
||||
restore [filename] Restore the world data from a backup
|
||||
command <command> Run the given command at the ${game} server console
|
||||
console Enter the server console through a screen session
|
||||
|
||||
Copyright (c) Gordian Edenhofer <gordian.edenhofer@gmail.com>
|
||||
EOF
|
||||
}
|
||||
|
||||
case "${1:-}" in
|
||||
start)
|
||||
server_start
|
||||
;;
|
||||
|
||||
stop)
|
||||
server_stop
|
||||
;;
|
||||
|
||||
status)
|
||||
server_status
|
||||
;;
|
||||
|
||||
restart)
|
||||
server_restart
|
||||
;;
|
||||
|
||||
console)
|
||||
server_console
|
||||
;;
|
||||
|
||||
command)
|
||||
server_command "${@:2}"
|
||||
;;
|
||||
|
||||
backup)
|
||||
backup_files
|
||||
;;
|
||||
|
||||
restore)
|
||||
backup_restore "${@:2}"
|
||||
;;
|
||||
|
||||
idle_server_daemon)
|
||||
# This shall be a hidden function which should only be invoced internally
|
||||
idle_server_daemon
|
||||
;;
|
||||
|
||||
-h|--help)
|
||||
help
|
||||
exit 0
|
||||
;;
|
||||
|
||||
*)
|
||||
help
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
exit 0
|
||||
Loading…
Reference in a new issue