Add backup features
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13
Dockerfile
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13
Dockerfile
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FROM openjdk:16-slim
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RUN apt update
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RUN apt install -y xxd cron
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COPY cron-backup /etc/cron.d/minecraft-backup
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RUN chmod 0644 /etc/cron.d/minecraft-backup
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RUN crontab /etc/cron.d/minecraft-backup
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RUN touch /var/log/cron.log
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CMD cron
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1
cron-backup
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1
cron-backup
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0 */6 * * * /mc-server/scripts/backup_task.sh
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@ -3,11 +3,13 @@ version: '3.7'
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services:
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services:
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mc_srv:
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mc_srv:
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restart: unless-stopped
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restart: unless-stopped
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image: openjdk:16-alpine
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build:
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context: .
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dockerfile: Dockerfile
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ports:
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ports:
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- 25565:25565
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- 25565:25565
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volumes:
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volumes:
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- ${PWD}:/mc-server
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- ${PWD}:/mc-server
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working_dir: "/mc-server"
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working_dir: "/mc-server"
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entrypoint: ["sh", "/mc-server/scripts/start.sh"]
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entrypoint: ["sh", "/mc-server/scripts/init.sh"]
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564
scripts/backup.sh
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564
scripts/backup.sh
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#!/usr/bin/env bash
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# Minecraft server automatic backup management script
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# https://github.com/nicolaschan/minecraft-backup
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# MIT License
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#
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# For Minecraft servers running in a GNU screen, tmux, or RCON.
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# For most convenience, run automatically with cron.
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# Default Configuration
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SCREEN_NAME="" # Name of the GNU Screen, tmux session, or hostname:port:password for RCON
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SERVER_WORLDS=() # Server world directory
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BACKUP_DIRECTORY="" # Directory to save backups in
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MAX_BACKUPS=128 # -1 indicates unlimited
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DELETE_METHOD="thin" # Choices: thin, sequential, none; sequential: delete oldest; thin: keep last 24 hourly, last 30 daily, and monthly (use with 1 hr cron interval)
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COMPRESSION_ALGORITHM="gzip" # Leave empty for no compression
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COMPRESSION_FILE_EXTENSION=".gz" # Leave empty for no compression; Precede with a . (for example: ".gz")
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COMPRESSION_LEVEL=3 # Passed to the compression algorithm
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ENABLE_CHAT_MESSAGES=false # Tell players in Minecraft chat about backup status
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PREFIX="Backup" # Shows in the chat message
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DEBUG=false # Enable debug messages
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SUPPRESS_WARNINGS=false # Suppress warnings
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RESTIC_HOSTNAME="" # Leave empty to use system hostname
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LOCK_FILE="" # Optional lock file to acquire to ensure two backups don't run at once
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LOCK_FILE_TIMEOUT="" # Optional lock file wait timeout (in seconds)
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WINDOW_MANAGER="screen" # Choices: screen, tmux, RCON
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# Other Variables (do not modify)
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DATE_FORMAT="%F_%H-%M-%S"
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TIMESTAMP=$(date +$DATE_FORMAT)
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log-fatal () {
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echo -e "\033[0;31mFATAL:\033[0m $*"
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}
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log-warning () {
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echo -e "\033[0;33mWARNING:\033[0m $*"
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}
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debug-log () {
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if "$DEBUG"; then
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echo "$1"
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fi
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}
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while getopts 'a:cd:e:f:hH:i:l:m:o:p:qr:s:t:u:vw:x' FLAG; do
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case $FLAG in
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a) COMPRESSION_ALGORITHM=$OPTARG ;;
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c) ENABLE_CHAT_MESSAGES=true ;;
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d) DELETE_METHOD=$OPTARG ;;
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e) COMPRESSION_FILE_EXTENSION=".$OPTARG" ;;
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f) TIMESTAMP=$OPTARG ;;
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h) echo "Minecraft Backup"
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echo "Repository: https://github.com/nicolaschan/minecraft-backup"
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echo "-a Compression algorithm (default: gzip)"
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echo "-c Enable chat messages"
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echo "-d Delete method: thin (default), sequential, none"
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echo "-e Compression file extension, exclude leading \".\" (default: gz)"
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echo "-f Output file name (default is the timestamp)"
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echo "-h Shows this help text"
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echo "-H Set hostname for restic backup (restic only)"
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echo "-i Input directory (path to world folder, use -i once for each world)"
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echo "-l Compression level (default: 3)"
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echo "-m Maximum backups to keep, use -1 for unlimited (default: 128)"
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echo "-o Output directory"
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echo "-p Prefix that shows in Minecraft chat (default: Backup)"
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echo "-q Suppress warnings"
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echo "-r Restic repo name (if using restic)"
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echo "-s Screen name, tmux session name, or hostname:port:password for RCON"
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echo "-t Enable lock file (lock file not used by default)"
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echo "-u Lock file timeout seconds (empty = unlimited)"
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echo "-v Verbose mode"
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echo "-w Window manager: screen (default), tmux, RCON"
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exit 0
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;;
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H) RESTIC_HOSTNAME=$OPTARG ;;
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i) SERVER_WORLDS+=("$OPTARG") ;;
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l) COMPRESSION_LEVEL=$OPTARG ;;
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m) MAX_BACKUPS=$OPTARG ;;
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o) BACKUP_DIRECTORY=$OPTARG ;;
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p) PREFIX=$OPTARG ;;
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q) SUPPRESS_WARNINGS=true ;;
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r) RESTIC_REPO=$OPTARG ;;
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s) SCREEN_NAME=$OPTARG ;;
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t) LOCK_FILE=$OPTARG ;;
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u) LOCK_FILE_TIMEOUT=$OPTARG ;;
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v) DEBUG=true ;;
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w) WINDOW_MANAGER=$OPTARG ;;
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*) log-fatal "Invalid option -$FLAG"; exit 1 ;;
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esac
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done
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rcon-command () {
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HOST="$(echo "$1" | cut -d: -f1)"
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PORT="$(echo "$1" | cut -d: -f2)"
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PASSWORD="$(echo "$1" | cut -d: -f3-)"
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COMMAND="$2"
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reverse-hex-endian () {
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# Given a 4-byte hex integer, reverse endianness
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while read -r -d '' -N 8 INTEGER; do
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echo "$INTEGER" | sed -E 's/(..)(..)(..)(..)/\4\3\2\1/'
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done
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}
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decode-hex-int () {
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# decode little-endian hex integer
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while read -r -d '' -N 8 INTEGER; do
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BIG_ENDIAN_HEX=$(echo "$INTEGER" | reverse-hex-endian)
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echo "$((16#$BIG_ENDIAN_HEX))"
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done
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}
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stream-to-hex () {
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xxd -ps
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}
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hex-to-stream () {
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xxd -ps -r
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}
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encode-int () {
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# Encode an integer as 4 bytes in little endian and return as hex
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INT="$1"
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# Source: https://stackoverflow.com/a/9955198
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printf "%08x" "$INT" | sed -E 's/(..)(..)(..)(..)/\4\3\2\1/'
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}
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encode () {
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# Encode a packet type and payload for the rcon protocol
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TYPE="$1"
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PAYLOAD="$2"
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REQUEST_ID="$3"
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PAYLOAD_LENGTH="${#PAYLOAD}"
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TOTAL_LENGTH="$((4 + 4 + PAYLOAD_LENGTH + 1 + 1))"
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OUTPUT=""
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OUTPUT+=$(encode-int "$TOTAL_LENGTH")
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OUTPUT+=$(encode-int "$REQUEST_ID")
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OUTPUT+=$(encode-int "$TYPE")
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OUTPUT+=$(echo -n "$PAYLOAD" | stream-to-hex)
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OUTPUT+="0000"
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echo -n "$OUTPUT" | hex-to-stream
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}
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read-response () {
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# read next response packet and return the payload text
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HEX_LENGTH=$(head -c4 <&3 | stream-to-hex | reverse-hex-endian)
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LENGTH=$((16#$HEX_LENGTH))
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RESPONSE_PAYLOAD=$(head -c $LENGTH <&3 | stream-to-hex)
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echo -n "$RESPONSE_PAYLOAD"
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}
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response-request-id () {
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echo -n "${1:0:8}" | decode-hex-int
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}
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response-type () {
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echo -n "${1:8:8}" | decode-hex-int
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}
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response-payload () {
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echo -n "${1:16:-4}" | hex-to-stream
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}
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login () {
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PASSWORD="$1"
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encode 3 "$PASSWORD" 12 >&3
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RESPONSE=$(read-response "$IN_PIPE")
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RESPONSE_REQUEST_ID=$(response-request-id "$RESPONSE")
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if [[ "$RESPONSE_REQUEST_ID" == "-1" ]] || [[ "$RESPONSE_REQUEST_ID" == "4294967295" ]]; then
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log-warning "RCON connection failed: Wrong RCON password" 1>&2
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return 1
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fi
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}
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run-command () {
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COMMAND="$1"
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# encode 2 "$COMMAND" 13 >> "$OUT_PIPE"
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encode 2 "$COMMAND" 13 >&3
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RESPONSE=$(read-response "$IN_PIPE")
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response-payload "$RESPONSE"
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}
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# Open a TCP socket
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# Source: https://www.xmodulo.com/tcp-udp-socket-bash-shell.html
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if ! exec 3<>/dev/tcp/"$HOST"/"$PORT"; then
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log-warning "RCON connection failed: Could not connect to $HOST:$PORT"
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return 1
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fi
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login "$PASSWORD" || return 1
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debug-log "$(run-command "$COMMAND")"
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# Close the socket
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exec 3<&-
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exec 3>&-
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}
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if ! "$DEBUG"; then
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QUIET="-q"
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else
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QUIET=""
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fi
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if [[ "$COMPRESSION_FILE_EXTENSION" == "." ]]; then
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COMPRESSION_FILE_EXTENSION=""
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fi
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# Check for missing encouraged arguments
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if ! $SUPPRESS_WARNINGS; then
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if [[ "$SCREEN_NAME" == "" ]]; then
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log-warning "Minecraft screen/tmux/rcon location not specified (use -s)"
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fi
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fi
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# Check for required arguments
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MISSING_CONFIGURATION=false
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if [[ "${#SERVER_WORLDS[@]}" == "0" ]]; then
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log-fatal "Server world not specified (use -i)"
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MISSING_CONFIGURATION=true
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fi
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if [[ "$BACKUP_DIRECTORY" == "" ]] && [[ "$RESTIC_REPO" == "" ]]; then
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log-fatal "Backup location not specified (use -o or -r)"
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MISSING_CONFIGURATION=true
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fi
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if [[ "$RESTIC_REPO" != "" ]]; then
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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log-fatal "Both output directory (-o) and restic repo (-r) specified but only one may be used at a time"
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MISSING_CONFIGURATION=true
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fi
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if [[ $MAX_BACKUPS -ge 0 ]] && [[ $MAX_BACKUPS -lt 70 ]] && [[ $DELETE_METHOD == "thin" ]]; then
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log-fatal "Thinning delete with restic requires at least 70 snapshots to be kept. If you need to keep fewer than 70, use sequential delete."
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MISSING_CONFIGURATION=true
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fi
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fi
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if $MISSING_CONFIGURATION; then
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exit 1
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fi
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if [[ "$BACKUP_DIRECTORY" != "" ]]; then
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ARCHIVE_FILE_NAME="$TIMESTAMP.tar$COMPRESSION_FILE_EXTENSION"
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ARCHIVE_PATH="$BACKUP_DIRECTORY/$ARCHIVE_FILE_NAME"
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fi
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if [[ "$RESTIC_REPO" != "" ]]; then
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ARCHIVE_PATH="$RESTIC_REPO $TIMESTAMP"
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fi
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# Minecraft server screen interface functions
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message-players () {
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local MESSAGE=$1
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local HOVER_MESSAGE=$2
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message-players-color "$MESSAGE" "$HOVER_MESSAGE" "gray"
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}
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execute-command () {
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local COMMAND=$1
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if [[ $SCREEN_NAME != "" ]]; then
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case $WINDOW_MANAGER in
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"screen") screen -S "$SCREEN_NAME" -p 0 -X stuff "$COMMAND$(printf \\r)"
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;;
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"tmux") tmux send-keys -t "$SCREEN_NAME" "$COMMAND" ENTER
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;;
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"RCON"|"rcon") rcon-command "$SCREEN_NAME" "$COMMAND"
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;;
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esac
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fi
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}
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message-players-error () {
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local MESSAGE=$1
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local HOVER_MESSAGE=$2
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message-players-color "$MESSAGE" "$HOVER_MESSAGE" "red"
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}
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message-players-success () {
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local MESSAGE=$1
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local HOVER_MESSAGE=$2
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message-players-color "$MESSAGE" "$HOVER_MESSAGE" "green"
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}
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message-players-color () {
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local MESSAGE=$1
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local HOVER_MESSAGE=$2
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local COLOR=$3
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debug-log "$MESSAGE ($HOVER_MESSAGE)"
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if $ENABLE_CHAT_MESSAGES; then
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execute-command "tellraw @a [\"\",{\"text\":\"[$PREFIX] \",\"color\":\"gray\",\"italic\":true},{\"text\":\"$MESSAGE\",\"color\":\"$COLOR\",\"italic\":true,\"hoverEvent\":{\"action\":\"show_text\",\"value\":{\"text\":\"\",\"extra\":[{\"text\":\"$HOVER_MESSAGE\"}]}}}]"
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fi
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}
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# Parse file timestamp to one readable by "date"
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parse-file-timestamp () {
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local DATE_STRING
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DATE_STRING="$(echo "$1" | awk -F_ '{gsub(/-/,":",$2); print $1" "$2}')"
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echo "$DATE_STRING"
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}
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# Delete a backup
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delete-backup () {
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local BACKUP=$1
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rm "$BACKUP_DIRECTORY"/"$BACKUP"
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message-players "Deleted old backup" "$BACKUP"
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}
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# Sequential delete method
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delete-sequentially () {
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local BACKUPS=("$BACKUP_DIRECTORY"/*) # List oldest first
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while [[ $MAX_BACKUPS -ge 0 && ${#BACKUPS[@]} -gt $MAX_BACKUPS ]]; do
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delete-backup "$(basename "${BACKUPS[0]}")"
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BACKUPS=("$BACKUP_DIRECTORY"/*)
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done
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}
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# Functions to sort backups into correct categories based on timestamps
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is-hourly-backup () {
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local TIMESTAMP=$*
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local MINUTE
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MINUTE=$(date -d "$TIMESTAMP" +%M)
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return "$MINUTE"
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}
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is-daily-backup () {
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local TIMESTAMP=$*
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local HOUR
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HOUR=$(date -d "$TIMESTAMP" +%H)
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return "$HOUR"
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}
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is-weekly-backup () {
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local TIMESTAMP=$*
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local DAY
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DAY=$(date -d "$TIMESTAMP" +%u)
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return "$((DAY - 1))"
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}
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# Helper function to sum an array
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array-sum () {
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SUM=0
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for NUMBER in "$@"; do
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(( SUM += NUMBER ))
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done
|
||||||
|
echo "$SUM"
|
||||||
|
}
|
||||||
|
|
||||||
|
# Given two exit codes, print a nonzero one if there is one
|
||||||
|
exit-code () {
|
||||||
|
if [[ "$1" != "0" ]]; then
|
||||||
|
echo "$1"
|
||||||
|
else
|
||||||
|
if [[ "$2" == "" ]]; then
|
||||||
|
echo 0
|
||||||
|
else
|
||||||
|
echo "$2"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
# Thinning delete method
|
||||||
|
delete-thinning () {
|
||||||
|
# sub-hourly, hourly, daily, weekly is everything else
|
||||||
|
local BLOCK_SIZES=(16 24 30)
|
||||||
|
# First block is unconditional
|
||||||
|
# The next blocks will only accept files whose names cause these functions to return true (0)
|
||||||
|
local BLOCK_FUNCTIONS=("is-hourly-backup" "is-daily-backup" "is-weekly-backup")
|
||||||
|
|
||||||
|
# Warn if $MAX_BACKUPS does not have enough room for all the blocks
|
||||||
|
TOTAL_BLOCK_SIZE=$(array-sum "${BLOCK_SIZES[@]}")
|
||||||
|
if [[ $MAX_BACKUPS != -1 ]] && [[ $TOTAL_BLOCK_SIZE -gt $MAX_BACKUPS ]]; then
|
||||||
|
if ! $SUPPRESS_WARNINGS; then
|
||||||
|
log-warning "MAX_BACKUPS ($MAX_BACKUPS) is smaller than TOTAL_BLOCK_SIZE ($TOTAL_BLOCK_SIZE)"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
local CURRENT_INDEX=0
|
||||||
|
local BACKUPS=("$BACKUP_DIRECTORY"/*) # Oldest first
|
||||||
|
local NUM_BACKUPS="${#BACKUPS[@]}"
|
||||||
|
|
||||||
|
for BLOCK_INDEX in "${!BLOCK_SIZES[@]}"; do
|
||||||
|
local BLOCK_SIZE=${BLOCK_SIZES[BLOCK_INDEX]}
|
||||||
|
local BLOCK_FUNCTION=${BLOCK_FUNCTIONS[BLOCK_INDEX]}
|
||||||
|
local OLDEST_BACKUP_IN_BLOCK_INDEX=$((NUM_BACKUPS - 1 - (BLOCK_SIZE + CURRENT_INDEX))) # Not an off-by-one error because a new backup was already saved
|
||||||
|
if [ "$OLDEST_BACKUP_IN_BLOCK_INDEX" -lt 0 ]; then
|
||||||
|
break;
|
||||||
|
fi
|
||||||
|
local OLDEST_BACKUP_IN_BLOCK
|
||||||
|
OLDEST_BACKUP_IN_BLOCK="$(basename "${BACKUPS[OLDEST_BACKUP_IN_BLOCK_INDEX]}")"
|
||||||
|
|
||||||
|
local OLDEST_BACKUP_TIMESTAMP
|
||||||
|
OLDEST_BACKUP_TIMESTAMP=$(parse-file-timestamp "${OLDEST_BACKUP_IN_BLOCK:0:19}")
|
||||||
|
local BLOCK_COMMAND="$BLOCK_FUNCTION $OLDEST_BACKUP_TIMESTAMP"
|
||||||
|
|
||||||
|
if $BLOCK_COMMAND; then
|
||||||
|
# Oldest backup in this block satisfies the condition for placement in the next block
|
||||||
|
debug-log "$OLDEST_BACKUP_IN_BLOCK promoted to next block"
|
||||||
|
else
|
||||||
|
# Oldest backup in this block does not satisfy the condition for placement in next block
|
||||||
|
delete-backup "$OLDEST_BACKUP_IN_BLOCK"
|
||||||
|
break
|
||||||
|
fi
|
||||||
|
|
||||||
|
((CURRENT_INDEX += BLOCK_SIZE))
|
||||||
|
done
|
||||||
|
|
||||||
|
delete-sequentially
|
||||||
|
}
|
||||||
|
|
||||||
|
delete-restic-sequential () {
|
||||||
|
if [ "$MAX_BACKUPS" -ge 0 ]; then
|
||||||
|
restic forget -r "$RESTIC_REPO" --keep-last "$MAX_BACKUPS" "$QUIET"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
delete-restic-thinning () {
|
||||||
|
if [ "$MAX_BACKUPS" -ge 70 ]; then
|
||||||
|
# MAX_BACKUPS >= 70
|
||||||
|
restic forget -r "$RESTIC_REPO" --keep-last 16 --keep-hourly 24 --keep-daily 30 --keep-weekly $((MAX_BACKUPS - 70)) "$QUIET"
|
||||||
|
else
|
||||||
|
# We have a check that MAX_BACKUPS is not 70 > MAX_BACKUPS >= 0, so we can assume here it is negative
|
||||||
|
# Negative means don't delete old snapshots
|
||||||
|
restic forget -r "$RESTIC_REPO" --keep-last 16 --keep-hourly 24 --keep-daily 30 --keep-weekly 9999999 "$QUIET"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
# Delete old backups
|
||||||
|
delete-old-backups () {
|
||||||
|
if [[ "$BACKUP_DIRECTORY" != "" ]]; then
|
||||||
|
case $DELETE_METHOD in
|
||||||
|
"sequential") delete-sequentially
|
||||||
|
;;
|
||||||
|
"thin") delete-thinning
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
fi
|
||||||
|
if [[ "$RESTIC_REPO" != "" ]]; then
|
||||||
|
case $DELETE_METHOD in
|
||||||
|
"sequential") delete-restic-sequential
|
||||||
|
;;
|
||||||
|
"thin") delete-restic-thinning
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
clean-up () {
|
||||||
|
# Re-enable world autosaving
|
||||||
|
execute-command "save-on"
|
||||||
|
|
||||||
|
# Save the world
|
||||||
|
execute-command "save-all"
|
||||||
|
|
||||||
|
TIME_DELTA=$((END_TIME - START_TIME))
|
||||||
|
|
||||||
|
if [[ "$BACKUP_DIRECTORY" != "" ]]; then
|
||||||
|
WORLD_SIZE_BYTES=$(du --bytes --total --max-depth=0 "${SERVER_WORLDS[@]}" | tail -n 1 | awk '{print $1}')
|
||||||
|
ARCHIVE_SIZE_BYTES=$(du -b "$ARCHIVE_PATH" | awk '{print $1}')
|
||||||
|
ARCHIVE_SIZE=$(du -h "$ARCHIVE_PATH" | awk '{print $1}')
|
||||||
|
BACKUP_DIRECTORY_SIZE=$(du -h --max-depth=0 "$BACKUP_DIRECTORY" | awk '{print $1}')
|
||||||
|
|
||||||
|
# Check that archive size is not null and at least 200 Bytes
|
||||||
|
if [[ "$ARCHIVE_EXIT_CODE" == "0" && "$WORLD_SIZE_BYTES" -gt 0 && "$ARCHIVE_SIZE" != "" && "$ARCHIVE_SIZE_BYTES" -gt 200 ]]; then
|
||||||
|
# Notify players of completion
|
||||||
|
COMPRESSION_PERCENT=$((ARCHIVE_SIZE_BYTES * 100 / WORLD_SIZE_BYTES))
|
||||||
|
message-players-success "Backup complete!" "$TIME_DELTA s, $ARCHIVE_SIZE/$BACKUP_DIRECTORY_SIZE, $COMPRESSION_PERCENT%"
|
||||||
|
delete-old-backups
|
||||||
|
exit 0
|
||||||
|
else
|
||||||
|
rm "$ARCHIVE_PATH" # Delete bad archive so we can't fill up with bad archives
|
||||||
|
message-players-error "Backup was not saved!" "Please notify an administrator"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [[ "$RESTIC_REPO" != "" ]]; then
|
||||||
|
if [[ "$ARCHIVE_EXIT_CODE" == "0" ]]; then
|
||||||
|
message-players-success "Backup complete!" "$TIME_DELTA s"
|
||||||
|
delete-old-backups
|
||||||
|
exit 0
|
||||||
|
else
|
||||||
|
message-players-error "Backup was not saved!" "Please notify an administrator"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
trap "clean-up" 2
|
||||||
|
|
||||||
|
do-backup () {
|
||||||
|
# Notify players of start
|
||||||
|
message-players "Starting backup..." "$ARCHIVE_PATH"
|
||||||
|
|
||||||
|
# Disable world autosaving
|
||||||
|
execute-command "save-off"
|
||||||
|
|
||||||
|
# Backup world
|
||||||
|
START_TIME=$(date +"%s")
|
||||||
|
|
||||||
|
if [[ "$BACKUP_DIRECTORY" != "" ]]; then
|
||||||
|
# Ensure backup directory exists
|
||||||
|
mkdir -p "$(dirname "$ARCHIVE_PATH")"
|
||||||
|
|
||||||
|
case $COMPRESSION_ALGORITHM in
|
||||||
|
# No compression
|
||||||
|
"") tar -cf "$ARCHIVE_PATH" "${SERVER_WORLDS[@]}"
|
||||||
|
;;
|
||||||
|
# With compression
|
||||||
|
*) tar -cf - "${SERVER_WORLDS[@]}" | $COMPRESSION_ALGORITHM -cv -"$COMPRESSION_LEVEL" - > "$ARCHIVE_PATH" 2>> /dev/null
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
EXIT_CODES=("${PIPESTATUS[@]}")
|
||||||
|
|
||||||
|
# tar exit codes: http://www.gnu.org/software/tar/manual/html_section/Synopsis.html
|
||||||
|
# 0 = successful, 1 = some files differ, 2 = fatal
|
||||||
|
if [ "${EXIT_CODES[0]}" == "1" ]; then
|
||||||
|
log-warning "Some files may differ in the backup archive (file changed as read)"
|
||||||
|
TAR_EXIT_CODE="0"
|
||||||
|
else
|
||||||
|
TAR_EXIT_CODE="${EXIT_CODES[0]}"
|
||||||
|
fi
|
||||||
|
|
||||||
|
ARCHIVE_EXIT_CODE="$(exit-code "$TAR_EXIT_CODE" "${EXIT_CODES[1]}")"
|
||||||
|
if [ "$ARCHIVE_EXIT_CODE" -ne 0 ]; then
|
||||||
|
log-fatal "Archive command exited with nonzero exit code $ARCHIVE_EXIT_CODE"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [[ "$RESTIC_REPO" != "" ]]; then
|
||||||
|
RESTIC_TIMESTAMP="${TIMESTAMP:0:10} ${TIMESTAMP:11:2}:${TIMESTAMP:14:2}:${TIMESTAMP:17:2}"
|
||||||
|
if [[ "$RESTIC_HOSTNAME" == "" ]]; then
|
||||||
|
RESTIC_HOSTNAME_OPTION=()
|
||||||
|
else
|
||||||
|
RESTIC_HOSTNAME_OPTION=("--host" "$RESTIC_HOSTNAME")
|
||||||
|
fi
|
||||||
|
restic backup -r "$RESTIC_REPO" "${SERVER_WORLDS[@]}" --time "$RESTIC_TIMESTAMP" "$QUIET" "${RESTIC_HOSTNAME_OPTION[@]}"
|
||||||
|
ARCHIVE_EXIT_CODE=$?
|
||||||
|
if [ "$ARCHIVE_EXIT_CODE" -eq 3 ]; then
|
||||||
|
log-warning "Incomplete snapshot taken (some files could not be read)"
|
||||||
|
ARCHIVE_EXIT_CODE="0"
|
||||||
|
else
|
||||||
|
if [ "$ARCHIVE_EXIT_CODE" -ne 0 ]; then
|
||||||
|
# According to the restic docs, exit code is either 0, 1, or 3
|
||||||
|
# Exit code 1 means fatal
|
||||||
|
# See: https://restic.readthedocs.io/en/latest/040_backup.html
|
||||||
|
log-fatal "No restic snapshot created (exit code $ARCHIVE_EXIT_CODE)"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
sync
|
||||||
|
END_TIME=$(date +"%s")
|
||||||
|
|
||||||
|
clean-up
|
||||||
|
}
|
||||||
|
|
||||||
|
if [[ "$LOCK_FILE" != "" ]]; then
|
||||||
|
TIMEOUT_OPTION=()
|
||||||
|
if [[ "$LOCK_FILE_TIMEOUT" != "" ]]; then
|
||||||
|
TIMEOUT_OPTION=("-w" "$LOCK_FILE_TIMEOUT")
|
||||||
|
fi
|
||||||
|
(if ! flock "${TIMEOUT_OPTION[@]}" --no-fork 200; then
|
||||||
|
log-fatal "Could not acquire lock on lock file: $LOCK_FILE"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
do-backup) 200>"$LOCK_FILE"
|
||||||
|
else
|
||||||
|
do-backup
|
||||||
|
fi
|
||||||
1
scripts/backup_task.sh
Executable file
1
scripts/backup_task.sh
Executable file
@ -0,0 +1 @@
|
|||||||
|
/mc-server/scripts/backup.sh -c -i /mc-server/world -o /mc-server/backups -s localhost:25575:secret -w rcon
|
||||||
2
scripts/init.sh
Normal file
2
scripts/init.sh
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
sh -c "sleep 60 && /mc-server/scripts/backup_task.sh" &
|
||||||
|
/mc-server/scripts/start.sh
|
||||||
2
scripts/start.sh
Normal file → Executable file
2
scripts/start.sh
Normal file → Executable file
@ -1 +1 @@
|
|||||||
java -XX:+UseG1GC -Xmx10G -Xms10G -Dsun.rmi.dgc.server.gcInterval=2147483646 -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -jar /mc-server/server.jar nogui
|
java -XX:+UseG1GC -Xmx2G -Xms2G -Dsun.rmi.dgc.server.gcInterval=2147483646 -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -jar /mc-server/server.jar nogui
|
||||||
|
|||||||
@ -1,5 +1,5 @@
|
|||||||
#Minecraft server properties
|
#Minecraft server properties
|
||||||
#Sun Aug 23 18:38:11 CEST 2020
|
#Sun Jul 18 17:40:53 UTC 2021
|
||||||
enable-jmx-monitoring=false
|
enable-jmx-monitoring=false
|
||||||
rcon.port=25575
|
rcon.port=25575
|
||||||
level-seed=
|
level-seed=
|
||||||
@ -14,9 +14,10 @@ pvp=true
|
|||||||
generate-structures=true
|
generate-structures=true
|
||||||
difficulty=hard
|
difficulty=hard
|
||||||
network-compression-threshold=256
|
network-compression-threshold=256
|
||||||
|
require-resource-pack=false
|
||||||
max-tick-time=60000
|
max-tick-time=60000
|
||||||
use-native-transport=true
|
|
||||||
max-players=20
|
max-players=20
|
||||||
|
use-native-transport=true
|
||||||
online-mode=true
|
online-mode=true
|
||||||
enable-status=true
|
enable-status=true
|
||||||
allow-flight=false
|
allow-flight=false
|
||||||
@ -24,17 +25,19 @@ broadcast-rcon-to-ops=true
|
|||||||
view-distance=10
|
view-distance=10
|
||||||
max-build-height=256
|
max-build-height=256
|
||||||
server-ip=
|
server-ip=
|
||||||
|
resource-pack-prompt=
|
||||||
allow-nether=true
|
allow-nether=true
|
||||||
server-port=25565
|
server-port=25565
|
||||||
enable-rcon=false
|
enable-rcon=true
|
||||||
sync-chunk-writes=true
|
sync-chunk-writes=true
|
||||||
op-permission-level=4
|
op-permission-level=4
|
||||||
prevent-proxy-connections=false
|
prevent-proxy-connections=false
|
||||||
resource-pack=
|
resource-pack=
|
||||||
entity-broadcast-range-percentage=100
|
entity-broadcast-range-percentage=100
|
||||||
rcon.password=
|
rcon.password=secret
|
||||||
player-idle-timeout=0
|
player-idle-timeout=0
|
||||||
force-gamemode=false
|
force-gamemode=false
|
||||||
|
rate-limit=0
|
||||||
hardcore=false
|
hardcore=false
|
||||||
white-list=true
|
white-list=true
|
||||||
broadcast-console-to-ops=true
|
broadcast-console-to-ops=true
|
||||||
@ -43,6 +46,7 @@ spawn-animals=true
|
|||||||
snooper-enabled=true
|
snooper-enabled=true
|
||||||
function-permission-level=2
|
function-permission-level=2
|
||||||
level-type=default
|
level-type=default
|
||||||
|
text-filtering-config=
|
||||||
spawn-monsters=true
|
spawn-monsters=true
|
||||||
enforce-whitelist=false
|
enforce-whitelist=false
|
||||||
resource-pack-sha1=
|
resource-pack-sha1=
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user