V2 alpha (#2)

* v2-alpha refactor
* simplify directory structure.
* Install SteamCMD to its own directory.
* Move control script to system root for simplicity.
* Use serverconfig.xml from server install so I don't have to maintain kv's.

7dtd.sh

@@ -1,26 +1,33 @@
 #!/bin/bash
 set -e
 
-PARAMS=$@
-LIVINGDEAD_HOME=/home/livingdead
+# This script manages the 7 days to Die server.
+# $DATA_HOME and $STEAM_HOME are set in Dockerfile
 
-cd $LIVINGDEAD_HOME
+PARAMS="$@"
 
-echo "Downloading Steam Cmd"
-su -l livingdead -c "wget http://media.steampowered.com/installer/steamcmd_linux.tar.gz -O steamcmd_linux.tar.gz"
-su -l livingdead -c "tar -zxf steamcmd_linux.tar.gz -C ./bin"
+if [ ! -d ${DATA_HOME}/log ]; then
+  mkdir ${DATA_HOME}/log
+fi
 
-echo "Downloading 7 Days to Die Server"
-su -l livingdead -c "mkdir -p ${LIVINGDEAD_HOME}/server"
-su -l livingdead -c "${LIVINGDEAD_HOME}/bin/steamcmd.sh \
-   +login anonymous \
-   +force_install_dir ${LIVINGDEAD_HOME}/server \
-   +app_update 294420 \
-   +quit"
+LOGFILE="${DATA_HOME}/log/7dtd-launcher-$(date +%Y%m%d).log"
 
-echo "Launching 7 Days to Die"
-export LD_LIBRARY_PATH=$LIVINGDEAD_HOME/server
-su -l livingdead -c "${LIVINGDEAD_HOME}/server/7DaysToDieServer.x86_64 \
-   -configfile=${LIVINGDEAD_HOME}/serverconfig.xml \
-   -logfile ${LIVINGDEAD_HOME}/server/output.log \
-   -quit -batchmode -nographics -dedicated $PARAMS"
+echo $(date -u) "Checking for server updates" >> ${LOGFILE}
+${STEAM_HOME}/steamcmd.sh \
+  +login anonymous \
+  +force_install_dir ${DATA_HOME}/server \
+  +app_update 294420 \
+  +quit >> ${LOGFILE}
+
+if [ ! -f ${DATA_HOME}/serverconfig.xml ]; then
+  echo $(date -u) "Installing default serverconfig.xml into ${DATA_HOME}/serverconfig.xml" >> ${LOGFILE}
+  echo $(date -u) "Make sure to update the configuration and restart your server." >> ${LOGFILE}
+  cp ${DATA_HOME}/server/serverconfig.xml ${DATA_HOME}/serverconfig.xml
+fi
+
+echo $(date -u) "Launching 7 Days to Die Server" >> ${LOGFILE}
+export LD_LIBRARY_PATH=${DATA_HOME}/server:$LD_LIBRARY_PATH
+${DATA_HOME}/server/7DaysToDieServer.x86_64 \
+  -configfile=${DATA_HOME}/serverconfig.xml \
+  -logfile ${DATA_HOME}/log/7dtd-server-$(date +%Y%m%d).log \
+  -quit -batchmode -nographics -dedicated ${PARAMS}

Dockerfile

@@ -1,23 +1,28 @@
+
 FROM debian:latest
+LABEL maintainer="mudfly <mudfly@gmail.com>"
+
+RUN dpkg --add-architecture i386 && \
+    apt-get update && \
+    apt-get install -y \
+      curl \
+      lib32gcc1 \
+      xmlstarlet && \
+    apt-get clean all
+
+ENV STEAM_HOME="/steam"
+ENV DATA_HOME="/data"
 
-MAINTAINER mudfly
+RUN /usr/sbin/useradd -d ${DATA_HOME} -M -s /bin/bash zed && \
+    /bin/mkdir ${STEAM_HOME} && \
+    /bin/chown -R zed:zed ${STEAM_HOME}
 
-# Install dependencies
-RUN dpkg --add-architecture i386 && apt-get update && apt-get install -y \
-    lib32gcc1 \
-    wget \
-    xmlstarlet \
-&& rm -rf /var/lib/apt/lists/*
+USER zed
 
-# Creates 7dtd server as a service
-RUN useradd -ms /bin/bash livingdead
-WORKDIR /home/livingdead
-COPY serverconfig.xml serverconfig.xml
-COPY 7dtd.sh bin/7dtd
-RUN chown -R livingdead:livingdead /home/livingdead
+RUN curl -s https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz | tar xvz -C ${STEAM_HOME}
 
-# Expose the default 7dtd server port
-EXPOSE 8080/tcp 8081/tcp
-EXPOSE 26900 26901 26902
+COPY --chown=zed:zed 7dtd.sh /7dtd.sh
 
-CMD ["/home/livingdead/bin/7dtd"]
+VOLUME ["/data"]
+EXPOSE 8080/tcp 8081/tcp 26900 26901 26902
+CMD ["/bin/bash", "/7dtd.sh"]

README.md

@@ -1,10 +1,15 @@
-#Docker file for a 7 Days To Die Server
+# 7 Days To Die Server in a Docker Container
 
-##Maintainers
+## Maintainers
 Mudfly <mudfly@gmail.com>
 
-##Build and Run Server
-1. Clone this repository, and change into the directory
-2. Copy `server.xml.example` to `server.xml`, and edit to your linking
-3. Build the Docker image `docker build --build-arg STEAM_USER=<user> --build-arg STEAM_PASS=<password> --build-arg STEAM_GUARD=<steam guard code> -t 7dtd .`
-4. Start the 7 Days To Die server `./7dtd-server.run`
+## Prerequisites
+1. Docker Engine
+2. docker-compose
+
+## Build and Run Server
+1. Clone this repository, and change into the cloned directory
+2. Build the Docker image `docker-compose build`
+3. Start the 7 Days To Die server `docker-compose up -d`
+
+Note: This container makes use of a data volume under /srv/7dtd on the docker host, in order to persist the generated worlds between container restarts. If you would like to move this to another location, update docker-compose.yaml before launching the container.

docker-compose.yaml

@@ -0,0 +1,17 @@
+version: '2.1'
+
+services:
+  7dtd:
+    build:
+      context: .
+    container_name: 7dtd
+    image: 7dtd:latest
+    restart: unless-stopped
+    ports:
+      - "8080:8080"
+      - "8081:8081"
+      - "26900:26900/udp"
+      - "26901:26901/udp"
+      - "26902:26902/udp"
+    volumes:
+      - /srv/7dtd:/data