added to minecraft_be

src/minecraft_be/Containerfile

@@ -0,0 +1,48 @@
+###
+### Build Variables
+###
+FROM localhost/debian:latest
+
+# deploy options
+# -p (port) and -v (volume) both go host:container
+LABEL deployopts="\
+-p 19132:19132/udp \
+-p 19133:19133/udp \
+-v /srv/vol/minecraft_be/worlds:/vol/worlds"
+
+# Build variables
+# uid that the files owner user should have
+ARG FILESUID=5000
+
+###
+### General Setup
+###
+
+# install packages we want
+RUN apt update -y && apt install -y libcurl4
+
+# create minecraft server user with file owner UID
+RUN addgroup --gid $FILESUID mcadmin && \
+    adduser mcadmin --ingroup mcadmin --uid $FILESUID --disabled-password --gecos "Minecraft Server Admin" --shell /usr/sbin/nologin && \
+    rm /home/mcadmin/.bashrc
+
+# Copy custom scripts
+COPY assets/bin/ /usr/local/bin/
+
+###
+### Minecraft
+###
+WORKDIR /home/mcadmin
+
+# download Minecraft Bedrock dedicated server
+RUN url=$(wget -q https://www.minecraft.net/en-us/download/server/bedrock/ -O - | grep -Eo 'https://[^ ]+bin-linux/bedrock-server-[^ ]+\.zip' | head -n 1) && \
+    wget $url && \
+    unzip $(basename $url) && \
+    rm $(basename $url) && \
+    chown -R mcadmin:mcadmin ./
+
+# copy units to systemd
+COPY assets/systemd/ /etc/systemd/system/
+
+# enable systemd units
+RUN systemctl enable mcbe.service mcbe-backup.timer

src/minecraft_be/assets/bin/mcbe-backup

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+do_backup() {
+        mcbe-stop $1 "Shutting down server for scheduled daily backup."
+        rsyn /home/mcadmin/worlds/ /vol/worlds/
+        systemctl start mcbe
+        rm /home/mcadmin/backup.lock
+}
+
+# Check if server is started
+status=$(systemctl show "$service" -p ActiveState --value)
+# if service is not active, do backup immediately and exit
+if [[ $status == inactive ]]; then
+        rsyn /home/mcadmin/worlds/ /vol/worlds/
+        rm /home/mcadmin/backup.lock
+        exit 0
+fi
+
+# Check if any players present
+present=$(mcbe-exec list | cut -d ' ' -f 3 | cut -d '/' -f 1)
+# if no players are present, do backup immediately and exit
+if [[ $present == 0 ]]; then
+        do_backup 0
+        exit 0
+fi
+
+cd /home/mcadmin
+
+# create backup.attempts file if it doesn't exist
+if [[ ! -e backup.attempts ]]; then
+        echo "0" > backup.attempts
+fi
+
+# read backup.wait and add one to it
+attempts=$(( $(cat backup.attempts) + 1 ))
+
+# if 12 or more attempts have already been made, go ahead and force a shutdown anyways
+if [[ $attempts -ge 12 ]]; then
+        do_backup 10
+# otherwise, schedule another attempt in an hour
+else
+        systemd-run --on-active=1h $0
+fi

src/minecraft_be/assets/bin/mcbe-exec

@@ -0,0 +1,5 @@
+#!/bin/bash
+today=$(date "+%Y-%m-%d %H:%M:%S")
+echo "$*" > /run/mcbe
+sleep 0.1
+journalctl -u mcbe -S "$today" -o cat

src/minecraft_be/assets/bin/mcbe-stop

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+if [[ -z $1 ]]; then
+        # default warning time is 10 seconds
+        time=10
+elif [[ $1 -ge 0 && $1 -le 60 ]]; then
+        time=$1
+else
+        echo "Invalid value for time-to-shutdown: only values between 0 and 60 seconds are accepted."
+        exit 2
+fi
+
+# if 2nd arg is given (and shutdown is not immediate), say it before shutting down
+if [[ -z $2 ]]; then
+        mcbe-exec say "$2"
+fi
+
+echo "Shutting down server in $time seconds..."
+count=$time
+
+while [[ $count -gt 0 ]]; do
+        # print warning every 10 seconds
+        if [[ $(( $count % 10 )) -eq 0 ]]; then
+                mcbe-exec say "Server shutting down in ${count} seconds!"
+        fi
+
+        # print warning every second for last 5 seconds
+        if [[ $count -le 5 ]]; then
+                mcbe-exec say "Shutting down in ${count}s..."
+        fi
+
+        count=$((count-1))
+        sleep 1
+done
+
+mcbe-exec stop

src/minecraft_be/assets/systemd/mcbe-backup.service

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+[Unit]
+After=mcbe.service
+Description=Back up Minecraft Bedrock Edition server
+Requisite=mcbe.service
+
+[Service]
+ExecStart=/usr/local/bin/mcbe-backup
+KillMode=none
+Type=oneshot

src/minecraft_be/assets/systemd/mcbe-backup.timer

@@ -0,0 +1,9 @@
+[Unit]
+Description=Back up Minecraft Bedrock Edition server daily at 4:05 AM
+
+[Timer]
+# Every 2 hours: OnCalendar=0/2:00:00
+OnCalendar=*-*-* 04:05
+
+[Install]
+WantedBy=timers.target

src/minecraft_be/assets/systemd/mcbe.service

@@ -0,0 +1,27 @@
+[Unit]
+# Implicit needs are explicitly needed to survive shutdown till stop finishes
+After=network.target
+BindsTo=mcbe.socket
+Description=Minecraft Bedrock Edition server
+
+[Service]
+ExecReload=/usr/local/bin/mcbe-exec reload
+ExecStop=/usr/local/bin/mcbe-stop
+ExecStart=/bin/bash -c 'LD_LIBRARY_PATH=. ./bedrock_server'
+User=mcadmin
+WorkingDirectory=/home/mcadmin
+Restart=on-failure
+StandardInput=socket
+StandardOutput=journal
+StandardError=journal
+Type=simple
+# Thanks for the security agowa338
+PrivateUsers=true
+ProtectHome=true
+ProtectControlGroups=true
+ProtectKernelModules=true
+ProtectKernelTunables=true
+ProtectSystem=full
+
+[Install]
+WantedBy=multi-user.target

src/minecraft_be/assets/systemd/mcbe.socket

@@ -0,0 +1,8 @@
+[Unit]
+BindsTo=mcbe.service
+
+[Socket]
+ListenFIFO=/run/mcbe
+RemoveOnStop=true
+SocketMode=600
+SocketUser=mcadmin

src/minecraft_bedrock/Containerfile

@@ -1,77 +0,0 @@
-###
-### Build Variables
-###
-FROM localhost/debian:latest
-
-# deploy options
-# -p (port) and -v (volume) both go host:container
-LABEL deployopts="\
--p 19132:19132/udp \
--p 19133:19133/udp \
--v /srv/vol/minecraft_bedrock/backup:/vol/backup"
-
-# Build variables
-# uid that the files owner user should have
-ARG FILESUID=5000
-
-###
-### General Setup
-###
-
-# install packages we want
-RUN apt update -y && apt install -y libcurl4
-
-# create minecraft server user with file owner UID
-RUN addgroup --gid $FILESUID mcadmin && \
-    adduser mcadmin --ingroup mcadmin --uid $FILESUID --disabled-password --gecos "Minecraft Server Admin" --shell /usr/sbin/nologin && \
-    rm /home/mcadmin/.bashrc
-
-###
-### Minecraft
-###
-
-# download Minecraft Bedrock dedicated server
-RUN url=$(wget -q https://www.minecraft.net/en-us/download/server/bedrock/ -O - | grep -Eo 'https://[^ ]+bin-linux/bedrock-server-[^ ]+\.zip' | head -n 1) && \
-    wget $url && \
-    unzip $(basename $url) && \
-    rm $(basename $url)
-
-###
-### Gitea
-###
-
-# dowload gitea
-RUN wget https://dl.gitea.io/gitea/${giteav}/gitea-${giteav}-linux-amd64 && \
-    mv gitea /usr/local/bin/gitea && \
-    chmod +x /usr/local/bin/gitea
-
-# make directories gitea needs
-RUN mkdir -p /var/lib/gitea/ && \
-    cd /var/lib/gitea/ && \
-    mkdir custom data log && \
-    chown -R gitea:gitea /var/lib/gitea/ && \
-    chmod -R 750 /var/lib/gitea/
-
-# copy gitea config template
-COPY assets/app.ini.esh /etc/gitea/
-# template config file
-RUN cd /etc/gitea/ && \
-    esh app.ini.esh > app.ini && \
-    rm app.ini.esh && \
-    chmod -R +r /etc/gitea/
-
-COPY assets/gitea.service /etc/systemd/system/
-
-###
-### Crontab
-###
-COPY assets/crontab /root/
-RUN crontab -u gitea /root/crontab
-
-###
-### Bugfix
-###
-
-# execute command to workaround bug in cron
-COPY bugfix/cronfix /root/
-RUN chmod +x /root/cronfix && /root/cronfix