minecraftのサーバ起動スクリプト(centosでのみテスト)

minecraft.sh

#!/bin/sh
#
# minecraft        Startup script for the minecraft Server
#
# chkconfig: - 90 25
# description: Minecraft is Sandbox game server.
# processname: minecraft

# パス設定
MC_PATH_HOME="/opt/minecraft"           # minecraftサーバの基本位置
MC_PATH_SERVER="${MC_PATH_HOME}/server" # サーバプログラム配置位置
MC_PATH_BACKUP="${MC_PATH_HOME}/backup" # バックアップ配置位置
MC_PATH_DATA="${MC_PATH_HOME}/data"     # サーバデータ配置位置
MC_PATH_BIN="${MC_PATH_SERVER}/bin"     # サーバプログラム本体設置位置

# マシン設定
MC_USE_CPU=2        # GCに使用するCPU数
MC_USE_MEM="2048M"  # 割り当てるメモリ数

# Minecraft設定
MC_USER="minecraft"                 # サーバプログラムの実行ユーザ
MC_SERVICE="minecraft_server.jar"   # サーバプログラム名
MC_OPTION="nogui"                   # サーバプログラムオプション
MC_STOP_INTERVAL=60                 # サーバ停止時の待ち時間
MC_SCREENNAME="minecraft-server"    # screenの名称
# minecraftを実行するコマンド
MC_INVOCATION="java -Xmx${MC_USE_MEM} -Xms${MC_USE_MEM} -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=${MC_USE_CPU} -XX:+AggressiveOpts -jar ${MC_PATH_SERVER}/${MC_SERVICE} ${MC_OPTION}"

# バックアップ設定
MC_BACKUP_FILE=`date '+%Y%m%d-%H'`
MC_BACKUP_PREF_WORLD="world-"
MC_BACKUP_PREF_NETHER="nether-"
MC_BACKUP_PREF_SERVER="server-"
MC_BACKUP_NAME_WORLD="world"
MC_BACKUP_NAME_NETHER="world_nether"

# 更新設定
#CraftBukkitの場合
MC_DOWNLOAD_FILE="craftbukkit-0.0.1-SNAPSHOT.jar"
MC_DOWNLOAD_URI="http://ci.bukkit.org/job/dev-CraftBukkit/lastSuccessfulBuild/artifact/target/craftbukkit-0.0.1-SNAPSHOT.jar"
# 公式サーバの場合
#MC_DOWNLOAD_FILE="minecraft_server.jar"
#MC_DOWNLOAD_URI=http://www.minecraft.net/download/minecraft_server.jar?v=`date | sed "s/[^a-zA-Z0-9]/_/g"`

# コマンド送信
MC_SEND="screen -p 0 -S ${MC_SCREENNAME} -X eval"

# 表示設定
RESET=$'\e[0m'
BOLD=$'\e[1m'
RED=$'\e[1;31m'
GREEN=$'\e[1;32m'

# ユーザ別実行 #####################################################################################
ME=`whoami`
as_user() {
    if [ ${ME} == ${MC_USER} ] ; then
        bash -c "$1"
    else
        su - ${MC_USER} -c "$1"
    fi
}

# 起動処理 #########################################################################################
mc_start() {
    if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
    then
        echo "minecraft: [${GREEN}起動中${RESET}]"
    else
        echo "minecraft: [${BOLD}起動処理中...${RESET}]"
        cd ${MC_PATH_DATA}
        as_user "cd ${MC_PATH_DATA} && screen -AmdS ${MC_SCREENNAME} ${MC_INVOCATION}"
        sleep 7
        if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
        then
            echo "minecraft を起動中: [${GREEN}OK${RESET}]"
        else
            echo "minecraft を起動中: [${RED}NG${RESET}]"
        fi
    fi
}

# 停止処理 #########################################################################################
mc_stop() {
    if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
    then
        echo "minecraft: [${BOLD}停止処理中...${RESET}]"
        as_user "${MC_SEND} 'stuff \"say SERVER SHUTTING DOWN IN ${MC_STOP_INTERVAL} SECONDS. Saving map...\"\015'"
        i=${MC_STOP_INTERVAL}
        while [ ${i} -ne 0 ]
        do
            if test `expr ${i} % 30` -eq 0 -o ${i} -le 10
            then
                as_user "${MC_SEND} 'stuff \"say SERVER WILL STOP IN ${i} SECONDS.\"\015'"
            fi
            i=`expr ${i} - 1`
            sleep 1
        done
        as_user "${MC_SEND} 'stuff \"save-all\"\015'"
        as_user "${MC_SEND} 'stuff \"stop\"\015'"
        sleep 7
        if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
        then
            echo "minecraft を停止中: [${RED}NG${RESET}]"
        else
            echo "minecraft を停止中: [${GREEN}OK${RESET}]"
        fi
    else
        echo "minecraft: [${RED}停止中${RESET}]"
    fi
}


# ステータスチェック処理 ###########################################################################
mc_status() {
    if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
    then
        echo "minecraft: [${GREEN}起動中${RESET}]"
    else
        echo "minecraft: [${RED}停止中${RESET}]"
    fi
}

# バックアップ処理 #################################################################################
mc_backup_world() {
    ARCFILE=${MC_PATH_BACKUP}/${MC_BACKUP_PREF_WORLD}${MC_BACKUP_FILE}.tgz
    TRGFILE=${MC_BACKUP_NAME_WORLD}
    echo "minecraft: [${BOLD}${MC_BACKUP_NAME_WORLD} バックアップ中...${RESET}]"
    as_user "cd ${MC_PATH_DATA} && tar -czf ${ARCFILE} ${TRGFILE}"
    
    ARCFILE=${MC_PATH_BACKUP}/${MC_BACKUP_PREF_NETHER}${MC_BACKUP_FILE}.tgz
    TRGFILE=${MC_BACKUP_NAME_NETHER}
    echo "minecraft: [${BOLD}${MC_BACKUP_NAME_NETHER} バックアップ中...${RESET}]"
    as_user "cd ${MC_PATH_DATA} && tar -czf ${ARCFILE} ${TRGFILE}"

    echo "minecraft: [${GREEN}バックアップ完了${RESET}]"
}

mc_backup_server() {
    ARCFILE=${MC_PATH_BACKUP}/${MC_BACKUP_PREF_SERVER}${MC_BACKUP_FILE}.tgz
    TRGFILE=${MC_SERVICE}
    echo "minecraft: [${BOLD}${MC_SERVICE} バックアップ中...${RESET}]"
    as_user "cd ${MC_PATH_SERVER} && tar -czf ${ARCFILE} ${TRGFILE}"

    echo "minecraft: [${GREEN}バックアップ完了${RESET}]"
}

# サーバプログラムアップデート #####################################################################
mc_update() {
    if ps ax | grep -v grep | grep -v -i SCREEN | grep ${MC_SERVICE} > /dev/null
    then
        echo "minecraft: [${RED}サーバが起動中なのでアップデートできません。${RESET}]"
    else
        echo "minecraft: [${BOLD}サーバアップデート中...${RESET}]"
        as_user "cd ${MC_PATH_BIN} && wget -q -O ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE}.update ${MC_DOWNLOAD_URI}"
    
        if [ -f ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE}.update ]
        then
            if `diff ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE} $MC_PATH_BIN/${MC_DOWNLOAD_FILE}.update >/dev/null`
            then 
                echo "minecraft: [${GREEN}${MC_DOWNLOAD_FILE}は最新版です${RESET}]"
                as_user "rm -f ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE}.update"
            else
                as_user "mv ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE}.update ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE}"
                as_user "ln -sf ${MC_PATH_BIN}/${MC_DOWNLOAD_FILE} ${MC_PATH_SERVER}/${MC_SERVICE}"
                echo "minecraft をアップデート: [${GREEN}OK${RESET}]"
            fi
        else
            echo "minecraft をアップデート: [${RED}NG${RESET}"
        fi
    fi
}


# 処理分岐 #########################################################################################
case "$1" in
    start)
        mc_start
        ;;
    stop)
        mc_stop
        ;;
    restart)
        as_user "${MC_SEND} 'stuff \"say SERVER WILL RESTART! PLEASE LOGOUT!\"\015'"
        mc_stop
        mc_start
        ;;
    backup)
        mc_backup_world
        ;;
    server-backup)
        mc_backup_server
        ;;
    status)
        mc_status
        ;;
    update)
        mc_backup_server
        mc_update
        ;;
    *)
        echo "使い方: minecraft {start|stop|restart|backup|server-backup|status|update}"
esac

exit 0

すばらしい！ぜひ使わせていただきます！