Fix PATH to include java when needed

#749

.github/workflows/build-multiarch.yml

@@ -68,6 +68,8 @@ jobs:
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.prep.outputs.tags }}
+          # ensure latest base image is used
+          pull: true
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
           labels: |

BUILDING.md

@@ -1,11 +0,0 @@
-Ensure buildx/BuildKit support is enabled and run:
-
-```shell script
-docker buildx build --platform=linux/arm64 --platform=linux/arm/v7 --platform=linux/amd64 --tag itzg/minecraft-server:multiarch --push .
-```
-
-To build for local testing, use:
-
-```shell script
-docker buildx build --platform=linux/amd64 --tag mc-multiarch --load .
-```

Dockerfile

@@ -1,29 +1,32 @@
-FROM ubuntu:18.04
+FROM openjdk:8u212-jre-alpine
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 
-RUN apt-get update \
-  && DEBIAN_FRONTEND=noninteractive \
-  apt-get install -y \
-    openjdk-8-jre-headless \
-    imagemagick \
-    gosu \
-    sudo \
-    net-tools \
-    curl wget \
-    jq \
-    dos2unix \
-    mysql-client \
-    tzdata \
-    rsync \
-    nano \
-    unzip \
-    knockd \
-    ttf-dejavu \
-    && apt-get clean
+# upgrade all packages since alpine jre8 base image tops out at 8u212
+RUN apk -U --no-cache upgrade
 
-RUN addgroup --gid 1000 minecraft \
-  && adduser --system --shell /bin/false --uid 1000 --ingroup minecraft --home /data minecraft
+RUN apk add --no-cache -U \
+  openssl \
+  imagemagick \
+  lsof \
+  su-exec \
+  shadow \
+  bash \
+  curl iputils wget \
+  git \
+  jq \
+  mysql-client \
+  tzdata \
+  rsync \
+  nano \
+  sudo \
+  knock \
+  ttf-dejavu
+
+RUN addgroup -g 1000 minecraft \
+  && adduser -Ss /bin/false -u 1000 -G minecraft -h /home/minecraft minecraft \
+  && mkdir -m 777 /data \
+  && chown minecraft:minecraft /data /home/minecraft
 
 COPY files/sudoers* /etc/sudoers.d
 
@@ -31,9 +34,9 @@ EXPOSE 25565 25575
 
 # hook into docker BuildKit --platform support
 # see https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
-ARG TARGETOS
-ARG TARGETARCH
-ARG TARGETVARIANT
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+ARG TARGETVARIANT=""
 
 ARG EASY_ADD_VER=0.7.1
 ADD https://github.com/itzg/easy-add/releases/download/${EASY_ADD_VER}/easy-add_${TARGETOS}_${TARGETARCH}${TARGETVARIANT} /usr/bin/easy-add
@@ -67,7 +70,7 @@ COPY log4j2.xml /tmp/log4j2.xml
 WORKDIR /data
 
 ENV UID=1000 GID=1000 \
-  MEMORY="1G" \
+  JVM_XX_OPTS="-XX:+UseG1GC" MEMORY="1G" \
   TYPE=VANILLA VERSION=LATEST \
   ENABLE_RCON=true RCON_PORT=25575 RCON_PASSWORD=minecraft \
   SERVER_PORT=25565 ONLINE_MODE=TRUE SERVER_NAME="Dedicated Server" \

README.md

@@ -499,6 +499,18 @@ Extra variables:
 - `PURPUR_BUILD=LATEST` : set a specific Purpur build to use
 - `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
 
+## Running a Yatopia server
+
+A [Yatopia](https://github.com/YatopiaMC/Yatopia) server, which is a "blazing fast Tuinity fork with best in class performance".
+
+    -e TYPE=YATOPIA
+
+> NOTE: the `VERSION` variable is used to locate the Yatopia version to download
+
+Extra variables:
+- `RELEASE=stable` : set to `stable` or `latest`
+- `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
+
 ## Running a Magma server
 
 A [Magma](https://magmafoundation.org/) server, which is a combination of Forge and PaperMC, can be used with

files/autopause/autopause-fcns.sh

@@ -5,15 +5,15 @@ current_uptime() {
 }
 
 java_running() {
-  [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]]
+  [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]]
 }
 
 java_process_exists() {
-  [[ -n "$(ps -ax -o comm | grep 'java')" ]]
+  [[ -n "$(ps -a -o comm | grep 'java')" ]]
 }
 
 rcon_client_exists() {
-  [[ -n "$(ps -ax -o comm | grep 'rcon-cli')" ]]
+  [[ -n "$(ps -a -o comm | grep 'rcon-cli')" ]]
 }
 
 mc_server_listening() {

files/autopause/knockd-config.cfg

@@ -3,10 +3,10 @@
 [unpauseMCServer-server]
  sequence = 25565
  seq_timeout = 1
- command = /usr/sbin/gosu minecraft:minecraft /autopause/resume.sh
+ command = /sbin/su-exec minecraft:minecraft /autopause/resume.sh
  tcpflags = syn
 [unpauseMCServer-rcon]
  sequence = 25575
  seq_timeout = 1
- command = /usr/sbin/gosu minecraft:minecraft /autopause/resume.sh
+ command = /sbin/su-exec minecraft:minecraft /autopause/resume.sh
  tcpflags = syn

files/autopause/pause.sh

@@ -2,7 +2,7 @@
 
 . /start-utils
 
-if [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]] ; then
+if [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]] ; then
   # save world
   rcon-cli save-all >/dev/null
 

files/autopause/resume.sh

@@ -2,7 +2,7 @@
 
 . /start-utils
 
-if [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^T.*$ ]] ; then
+if [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^T.*$ ]] ; then
   logAutopauseAction "Knocked, resuming Java process"
   pkill -CONT java
 fi

health.sh

@@ -5,7 +5,7 @@
 if isTrue "${DISABLE_HEALTHCHECK}"; then
   echo "Healthcheck disabled"
   exit 0
-elif isTrue "${ENABLE_AUTOPAUSE}" && [[ "$( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }')" =~ ^T.*$ ]]; then
+elif isTrue "${ENABLE_AUTOPAUSE}" && [[ "$( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }')" =~ ^T.*$ ]]; then
   echo "Java process suspended by Autopause function"
   exit 0
 else

start

@@ -40,7 +40,7 @@ if [ $(id -u) = 0 ]; then
     echo 'hosts: files dns' > /etc/nsswitch.conf
   fi
 
-  exec gosu ${runAsUser}:${runAsGroup} ${SCRIPTS:-/}start-configuration $@
+  exec su-exec ${runAsUser}:${runAsGroup} ${SCRIPTS:-/}start-configuration $@
 else
   exec ${SCRIPTS:-/}start-configuration $@
 fi

start-configuration

@@ -4,6 +4,7 @@ IFS=$'\n\t'
 
 . ${SCRIPTS:-/}start-utils
 
+: ${EULA:=}
 : ${PROXY:=}
 : ${RCON_PASSWORD_FILE:=}
 
@@ -12,8 +13,6 @@ shopt -s nullglob
 #umask 002
 export HOME=/data
 
-log "Running as uid=$(id -u) gid=$(id -g) with /data as '$(ls -lnd /data)'"
-
 if [ ! -e /data/eula.txt ]; then
   if ! isTrue "$EULA"; then
     log ""
@@ -29,6 +28,15 @@ if [ ! -e /data/eula.txt ]; then
 fi
 
 
+log "Running as uid=$(id -u) gid=$(id -g) with /data as '$(ls -lnd /data)'"
+
+if ! touch /data/.verify_access; then
+  log "ERROR: /data doesn't seem to be writable. Please make sure attached directory is writable by uid=$(id -u)"
+  exit 2
+fi
+
+rm /data/.verify_access || true
+
 if [[ $PROXY ]]; then
     export http_proxy="$PROXY"
     export https_proxy="$PROXY"
@@ -93,10 +101,6 @@ case "${TYPE^^}" in
   ;;
 
   FORGE)
-    log "**********************************************************************"
-    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
-    log "         since some mods require Java 8"
-    log "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployForge "$@"
   ;;
 
@@ -104,11 +108,7 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployFabric "$@"
   ;;
 
-  FTBA)
-    exec ${SCRIPTS:-/}start-deployFTBA "$@"
-  ;;
-
-  CURSEFORGE|FTB)
+  FTB|CURSEFORGE)
     exec ${SCRIPTS:-/}start-deployCF "$@"
   ;;
 
@@ -144,11 +144,15 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployPurpur "$@"
   ;;
 
+  YATOPIA)
+    exec ${SCRIPTS:-/}start-deployYatopia "$@"
+  ;;
+
   *)
       log "Invalid type: '$TYPE'"
       log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
       log "         CURSE_INSTANCE, CURSEFORGE, SPONGEVANILLA, TUINITY, PURPUR"
-      log "         CUSTOM, MAGMA, MOHIST, CATSERVER"
+      log "         CUSTOM, MAGMA, MOHIST, CATSERVER, YATOPIA"
       exit 1
   ;;
 

start-deployCF

@@ -9,7 +9,7 @@ isDebugging && set -x
 export FTB_BASE_DIR
 
 legacyJavaFixerUrl=https://ftb.forgecdn.net/FTB2/maven/net/minecraftforge/lex/legacyjavafixer/1.0/legacyjavafixer-1.0.jar
-export TYPE=CURSEFORGE
+export TYPE=FEED-THE-BEAST
 
 FTB_SERVER_MOD=${FTB_SERVER_MOD:-$CF_SERVER_MOD}
 

start-deployFTBA

@@ -1,72 +0,0 @@
-#!/bin/bash
-
-ftbInstallMarker=".ftb-installed"
-
-. ${SCRIPTS:-/}start-utils
-isDebugging && set -x
-set -e
-
-if ! [[ -v FTB_MODPACK_ID ]]; then
-  log "ERROR FTB_MODPACK_ID is required with TYPE=FTB"
-  exit 1
-fi
-
-if ! [[ ${FTB_MODPACK_ID} =~ [0-9]+ ]]; then
-  log "ERROR FTB_MODPACK_ID needs to be numeric"
-  exit 1
-fi
-
-if ! [[ -v FTB_MODPACK_VERSION_ID ]]; then
-  if ! FTB_MODPACK_VERSION_ID=$(curl -fsSL https://api.modpacks.ch/public/modpack/${FTB_MODPACK_ID} | jq -r '.versions | sort_by(.updated)[-1].id'); then
-    log "ERROR unable to resolve latest modpack version ID for modpack ${FTB_MODPACK_ID}"
-    exit 1
-  fi
-elif ! [[ ${FTB_MODPACK_VERSION_ID} =~ [0-9]+ ]]; then
-  log "ERROR FTB_MODPACK_VERSION_ID needs to be numeric"
-  exit 1
-fi
-
-if ! [ -f "${ftbInstallMarker}" ] || [ $(cat "${ftbInstallMarker}") != "${FTB_MODPACK_ID}=${FTB_MODPACK_VERSION_ID}" ]; then
-  ftbInstaller=/data/ftb-installer
-  if ! [[ -f "${ftbInstaller}" ]]; then
-    log "Downloading FTB installer"
-    curl -fsSL https://api.modpacks.ch/public/modpack/1/1/server/linux -o "${ftbInstaller}"
-    chmod +x "${ftbInstaller}"
-  fi
-
-  rm -rf forge*jar mods config libraries defaultconfigs changelogs
-
-  log "Installing modpack ID ${FTB_MODPACK_ID}, version ID ${FTB_MODPACK_VERSION_ID}"
-  ${ftbInstaller} ${FTB_MODPACK_ID} ${FTB_MODPACK_VERSION_ID} --noscript --auto
-  rm -f forge*installer.jar
-
-  echo "${FTB_MODPACK_ID}=${FTB_MODPACK_VERSION_ID}" > ${ftbInstallMarker}
-
-  writeEula
-else
-  log "FTB modpack ID ${FTB_MODPACK_ID}, version ID ${FTB_MODPACK_VERSION_ID} is ready to go"
-fi
-
-isDebugging && cat version.json
-forgeVersion=$(jq -r '.targets|unique[] | select(.name == "forge") | .version' version.json)
-mcVersion=$(jq -r '.targets|unique[] | select(.name == "minecraft") | .version' version.json)
-
-variants=(
-  forge-${mcVersion}-${forgeVersion}.jar
-  forge-${mcVersion}-${forgeVersion}-universal.jar
-  forge-${mcVersion}-${forgeVersion}-${mcVersion}-universal.jar
-)
-for f in ${variants[@]}; do
-  if [ -f $f ]; then
-    export SERVER=$f
-    break
-  fi
-done
-if ! [ -v SERVER ]; then
-  log "ERROR unable to locate the installed forge server jar"
-  ls *.jar
-  exit 2
-fi
-
-# Continue to Final Setup
-exec ${SCRIPTS:-/}start-finalSetupWorld $@

start-deployYatopia

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${VANILLA_VERSION:?}
+: ${RELEASE:=stable}
+: ${FORCE_REDOWNLOAD:=false}
+
+requireEnum RELEASE stable latest
+
+export SERVER="yatopia-${RELEASE}-${VANILLA_VERSION}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="https://api.yatopiamc.org/v2/${RELEASE}Build/download?branch=ver/${VANILLA_VERSION}"
+    log "Downloading Yatopia from $downloadUrl ..."
+    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+# Continue to Final Setup
+exec ${SCRIPTS:-/}start-finalSetupWorld $@

start-minecraftFinalSetup

@@ -168,6 +168,11 @@ function copyFilesForCurseForge() {
   cp -f /data/eula.txt "${FTB_DIR}/"
 }
 
+if ! which java > /dev/null; then
+  log "Fixing PATH to include java"
+  PATH="${PATH}:/usr/lib/jvm/java-1.8-openjdk/jre/bin:/usr/lib/jvm/java-1.8-openjdk/bin"
+fi
+
 mcServerRunnerArgs="--stop-duration ${STOP_DURATION:-60}s"
 if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
     if isTrue ${DEBUG_EXEC}; then
@@ -176,7 +181,7 @@ if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
     exec mc-server-runner ${mcServerRunnerArgs} \
       --cf-instance-file "${CURSE_INSTANCE_JSON}" \
       java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar _SERVERJAR_ "$@" $EXTRA_ARGS
-elif [[ ${TYPE} == "CURSEFORGE" && "${SERVER}" ]]; then
+elif [[ ${TYPE} == "FEED-THE-BEAST" && "${SERVER}" ]]; then
   copyFilesForCurseForge
 
   cd "${FTB_DIR}"
@@ -185,7 +190,7 @@ elif [[ ${TYPE} == "CURSEFORGE" && "${SERVER}" ]]; then
     set -x
   fi
   exec mc-server-runner ${bootstrapArgs} ${mcServerRunnerArgs} java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar $(basename "${SERVER}") "$@" $EXTRA_ARGS
-elif [[ ${TYPE} == "CURSEFORGE" ]]; then
+elif [[ ${TYPE} == "FEED-THE-BEAST" ]]; then
   mcServerRunnerArgs="${mcServerRunnerArgs} --shell bash"
 
   copyFilesForCurseForge

start-utils

@@ -144,6 +144,20 @@ requireVar() {
   fi
 }
 
+requireEnum() {
+  var=${1?}
+  shift
+
+  for allowed in $*; do
+    if [[ ${!var} = $allowed ]]; then
+      return 0
+    fi
+  done
+
+  log "ERROR: $var must be set to one of $@"
+#  exit 1
+}
+
 function writeEula() {
   if ! echo "# Generated via Docker
 # $(date)