docker-minecraft-server/scripts/start-configuration

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#!/bin/bash
set -euo pipefail
IFS=$'\n\t'
# shellcheck source=start-utils
. "${SCRIPTS:-/}start-utils"
: "${EULA:=}"
: "${PROXY:=}"
: "${ENABLE_AUTOPAUSE:=false}"
: "${ENABLE_AUTOSTOP:=false}"
: "${RCON_CMDS_STARTUP:=}"
: "${RCON_CMDS_ON_CONNECT:=}"
: "${RCON_CMDS_ON_DISCONNECT:=}"
: "${RCON_CMDS_FIRST_CONNECT:=}"
: "${RCON_CMDS_LAST_DISCONNECT:=}"
: "${RCON_CMDS_PERIOD:=10}"
: "${RCON_PASSWORD_FILE:=}"
: "${RCON_PASSWORD:=minecraft}"
: "${RCON_PORT:=25575}"
export RCON_PASSWORD RCON_PORT
: "${MEMORY=1G}"
: "${INIT_MEMORY=${MEMORY}}"
: "${MAX_MEMORY=${MEMORY}}"
export MEMORY INIT_MEMORY MAX_MEMORY
shopt -s nullglob
isDebugging && set -x
#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 ""
log "Please accept the Minecraft EULA at"
log " https://account.mojang.com/documents/minecraft_eula"
log "by adding the following immediately after 'docker run':"
log " -e EULA=TRUE"
log ""
exit 1
fi
writeEula
fi
if isTrue "${ENABLE_AUTOPAUSE}" && isTrue "${EXEC_DIRECTLY:-false}"; then
log "EXEC_DIRECTLY=true is incompatible with ENABLE_AUTOPAUSE=true"
exit 1
fi
if isTrue "${ENABLE_AUTOPAUSE}" && isTrue "${ENABLE_AUTOSTOP}"; then
log "ENABLE_AUTOPAUSE=true is incompatible with ENABLE_AUTOSTOP=true"
exit 1
fi
if [[ $PROXY ]]; then
export http_proxy="$PROXY"
export https_proxy="$PROXY"
export JAVA_TOOL_OPTIONS+="-Djava.net.useSystemProxies=true"
log "INFO: Giving proxy time to startup..."
sleep 5
fi
if [[ $RCON_PASSWORD_FILE ]]; then
log ""
if [ ! -e ${RCON_PASSWORD_FILE} ]; then
log "Initial RCON password file ${RCON_PASSWORD_FILE} does not seems to exist."
log "Please ensure your configuration."
log "If you are using Docker Secrets feature, please check this for further information: "
log " https://docs.docker.com/engine/swarm/secrets"
log ""
exit 1
else
RCON_PASSWORD=$(cat ${RCON_PASSWORD_FILE})
export RCON_PASSWORD
fi
log ""
fi
function fixJavaPath() {
# Some Docker management UIs grab all the image declared variables and present them for configuration.
# When upgrading images across Java versions, that creates a mismatch in PATH's expected by base image.
if ! which java > /dev/null; then
log "ERROR: your Docker provider has an annoying flaw where it"
log " tries to set PATH even though the container establishes"
log " a very specific value."
sleep 2
# now find where java might be
for d in /opt/java/openjdk/bin /usr/bin; do
if [ -x "${d}/java" ]; then
PATH="${PATH}:${d}"
return 0
fi
done
return 1
fi
}
if ! fixJavaPath; then
log "ERROR: could not locate path that contains java"
exit 1
fi
export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
case "X$VERSION" in
X|XLATEST|Xlatest)
if ! VANILLA_VERSION=$(get --json-path '$.latest.release' "$VERSIONS_JSON"); then
log "ERROR: version lookup failed: $VANILLA_VERSION"
exit 1
fi
;;
XSNAPSHOT|Xsnapshot)
if ! VANILLA_VERSION=$(get --json-path '$.latest.snapshot' "$VERSIONS_JSON"); then
log "ERROR: version lookup failed: $VANILLA_VERSION"
exit 1
fi
;;
*)
VANILLA_VERSION=$VERSION
;;
esac
export VANILLA_VERSION
MAJOR_VANILLA_VERSION=$(get_major_version "$VANILLA_VERSION")
export MAJOR_VANILLA_VERSION
log "Resolved version given ${VERSION} into ${VANILLA_VERSION} and major version ${MAJOR_VANILLA_VERSION}"
cd /data || exit 1
export ORIGINAL_TYPE=${TYPE^^}
if isTrue "${ENABLE_AUTOPAUSE}"; then
${SCRIPTS:-/}start-autopause
fi
if isTrue "${ENABLE_AUTOSTOP}"; then
${SCRIPTS:-/}start-autostop
fi
if
[[ "$RCON_CMDS_STARTUP" ]] ||
[[ "$RCON_CMDS_ON_CONNECT" ]] ||
[[ "$RCON_CMDS_ON_DISCONNECT" ]] ||
[[ "$RCON_CMDS_FIRST_CONNECT" ]] ||
[[ "$RCON_CMDS_LAST_DISCONNECT" ]]
then
log "Starting RCON commands"
# shellcheck source=start-rconcmds
${SCRIPTS:-/}start-rconcmds
fi
if versionLessThan 1.7; then
echo "
MC_HEALTH_EXTRA_ARGS=(
--use-server-list-ping
)
" > /data/.mc-health.env
fi
log "Resolving type given ${TYPE}"
case "${TYPE^^}" in
*BUKKIT|SPIGOT)
exec "${SCRIPTS:-/}start-deployBukkitSpigot" "$@"
;;
PAPER)
exec "${SCRIPTS:-/}start-deployPaper" "$@"
;;
FORGE)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployForge" "$@"
;;
FABRIC)
exec "${SCRIPTS:-/}start-deployFabric" "$@"
;;
QUILT)
exec "${SCRIPTS:-/}start-deployQuilt" "$@"
;;
FTBA)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployFTBA" "$@"
;;
FTB|CURSEFORGE)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployCF" "$@"
;;
VANILLA)
exec "${SCRIPTS:-/}start-deployVanilla" "$@"
;;
SPONGEVANILLA)
exec "${SCRIPTS:-/}start-deploySpongeVanilla" "$@"
;;
CUSTOM)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployCustom" "$@"
;;
MAGMA)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployMagma" "$@"
;;
MOHIST)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployMohist" "$@"
;;
CATSERVER)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployCatserver" "$@"
;;
LOLISERVER)
evaluateJavaCompatibilityForForge
exec "${SCRIPTS:-/}start-deployLoliserver" "$@"
;;
PURPUR)
exec "${SCRIPTS:-/}start-deployPurpur" "$@"
;;
PUFFERFISH)
exec "${SCRIPTS:-/}start-deployPufferfish" "$@"
;;
CANYON)
exec "${SCRIPTS:-/}start-deployCanyon" "$@"
;;
LIMBO)
exec "${SCRIPTS:-/}start-deployLimbo" "$@"
;;
CRUCIBLE)
log "**********************************************************************"
log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
log " since some mods require Java 8"
log " Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
log " can be fixed with java8"
log "**********************************************************************"
exec "${SCRIPTS:-/}start-deployCrucible" "$@"
;;
*)
log "Invalid type: '$TYPE'"
log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
log " CURSEFORGE, SPONGEVANILLA, PURPUR, CUSTOM,"
log " MAGMA, MOHIST, CATSERVER, LOLISERVER, AIRPLANE, PUFFERFISH, CANYON, LIMBO, CRUCIBLE"
exit 1
;;
esac