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dockercraft/scripts/init

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#!/bin/env bash
MC_VERSION=${MC_VERSION}
MC_LOADER=${MC_LOADER=}
MC_LOADER_VERSION=${MC_LOADER_VERSION}
JAVA_VERSION=${JAVA_VERSION:-"temurin@21"}
JAVA_HOME=/data/java/${JAVA_VERSION}
JAR=${JAR:-"server.jar"}
XMS=${XMS:-2G}
XMX=${XMX:-4G}
MEM=${MEMORY:-2G}
ADD_ARGS=${ADD_ARGS:-""}
PUID="${PUID:-1000}"
PGID="${PGID:-1000}"
PATH=${JAVA_HOME}/bin:$PATH
# Set Permissions for data folder
setperms() {
echo -e "|_______________________________________________________|"
echo -e "|##--------------- Setting Permissions ---------------##|"
echo -e "|#| Setting permissions to UID:${PUID} and GID:${PGID}"
sudo usermod -u ${PUID} minecraft >/dev/null 2>&1
sudo groupmod -g ${PGID} minecraft >/dev/null 2>&1
sudo chown -R ${PUID}:${PGID} /data >/dev/null 2>&1
echo -e "|#|---------------------------------------------------|#|"
sleep 2
echo -e "|#| DONE"
echo -e "|##---------------------------------------------------##|"
sleep 2
}
# Crash function
crash() {
sleep 5
echo "Exit Complete"
exit 1
}
# Set Eula
setEula() {
cat <<EOF > eula.txt
#By changing the setting below to TRUE you are indicating your agreement to our EULA (https://aka.ms/MinecraftEULA).
eula=true
EOF
}
# Check for Java, and install if neccesary
javaCheck() {
JAVA_HOME=/data/java/${JAVA_VERSION}
if [[ -f "$HOME/.jabba/jabba.sh" ]]; then
source $HOME/.jabba/jabba.sh
else
echo "Something went wrong with locating jabba(the java installer)"
exit 0
fi
if [[ ! -n "${JAVA_VERSION}" ]]; then
echo "NO JAVA_VERSION ENVIRONMENT VARIABLE SET SET IT"
crash
fi
if [[ ! -f "/data/java/${JAVA_VERSION}/bin/java" ]]; then
rm -rf /data/java/${JAVA_VERSION}
jabba install ${JAVA_VERSION} -o /data/java/${JAVA_VERSION}
fi
PATH=${JAVA_HOME}/bin:$PATH
JAVA="java"
}
newForge() {
if [[ "$(printf '%s\n' "1.17.1" "$MC_VERSION" | sort -V | head -n1)" = "1.17.1" ]]; then
NEW_FORGE=true
else
NEW_FORGE=false
fi
}
# Vanilla
getVanilla() {
echo "Not yet implemented"
}
# Paper Server
getPaper() {
SERVER_TYPE="Paper Minecraft"
if [[ ! -f server.jar ]]; then
LATEST_BUILD=$(curl -s https://api.papermc.io/v2/projects/${MC_LOADER}/versions/${MC_VERSION}/builds |
jq -r '.builds | map(select(.channel == "default") | .build) | .[-1]')
if [ "$LATEST_BUILD" != "null" ]; then
JAR_NAME=${MC_LOADER}-${MC_VERSION}-${LATEST_BUILD}.jar
PAPERMC_URL="https://api.papermc.io/v2/projects/${MC_LOADER}/versions/${MC_VERSION}/builds/${LATEST_BUILD}/downloads/${JAR_NAME}"
# Download the latest Paper version
curl -o server.jar $PAPERMC_URL
echo "Download completed"
echo "Minecraft Version: ${MC_VERSION}"
echo "Paper Version: ${LATEST_BUILD}"
else
echo "No stable build for version $MC_VERSION found :("
fi
fi
}
# Fabric Server
getFabric() {
SERVER_TYPE="Fabric Minecraft"
LATEST_BUILD=$(curl -s https://meta.fabricmc.net/v2/versions/loader/${MC_VERSION} | jq -s '.[] .[0] .loader .version' | tr -d '"')
LATEST_INSTALLER=$(curl -s https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml | xmllint --xpath "/metadata/versioning/latest/text()" -)
if [ "$MC_VERSION" != "null" ]; then
VER=$MC_VERSION
else
echo "Minecraft version not set"
exit 1
fi
if [ "$MC_LOADER_VERSION" == "null" ]; then
DL_URL=https://meta.fabricmc.net/v2/versions/loader/${MC_VERSION}/${LATEST_BUILD}/${LATEST_INSTALLER}/server/jar
else
DL_URL=https://meta.fabricmc.net/v2/versions/loader/${MC_VERSION}/${MC_LOADER_VERSION}/${LATEST_INSTALLER}/server/jar
fi
if [ "$LATEST_BUILD" != "null" ]; then
echo "$DL_URL"
curl -o server.jar ${DL_URL}
else
echo "TODO ERROR TEXT"
fi
}
# Forge Server
getForge() {
SERVER_TYPE="Forge Server"
if [[ -n "$MC_VERSION" ]]; then
VER_MINECRAFT=$MC_VERSION
if [[ -n "$MC_LOADER_VERSION" ]]; then
VER_LOADER=$MC_LOADER_VERSION
DL_URL=https://maven.minecraftforge.net/net/minecraftforge/forge/${VER_MINECRAFT}-${VER_LOADER}/forge-${VER_MINECRAFT}-${VER_LOADER}-installer.jar
else
LATEST_BUILD=$(curl -s https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json | jq -r ".promos[\"${VER_MINECRAFT}-latest\"]")
VER_LOADER=$LATEST_BUILD
DL_URL=https://maven.minecraftforge.net/net/minecraftforge/forge/${VER_MINECRAFT}-${VER_LOADER}/forge-${VER_MINECRAFT}-${VER_LOADER}-installer.jar
fi
else
echo "Minecraft version not set"
exit 1
fi
if [[ -n "$DL_URL" ]]; then
echo "$DL_URL"
rm -rf server.jar
curl -o forge-install.jar ${DL_URL}
echo "$JAVA -jar forge-install.jar --installServer"
$JAVA -jar forge-install.jar --installServer
# if greater or equalt to 1.17.1
if [[ "$(printf '%s\n' "1.17.1" "$MC_VERSION" | sort -V | head -n1)" = "1.17.1" ]]; then
NEW_FORGE=true
rm -f forge-install.jar
rm -f forge-install.jar.log
# less than 1.71.1
else
NEW_FORGE=false
rm -f forge-install.jar
rm -f forge-install.jar.log
ln -s forge-"${VER_MINECRAFT}"-"${VER_LOADER}".jar server.jar
fi
touch server.properties
else
echo "No Valid Download URL"
fi
}
# Neoforge
getNeoForge() {
SERVER_TYPE="NeoForge Server"
if [[ -n "$MC_VERSION" ]]; then
VER_MINECRAFT=$MC_VERSION
if [[ -n "$MC_LOADER_VERSION" ]]; then
VER_LOADER=$MC_LOADER_VERSION
DL_URL=https://maven.neoforged.net/releases/net/neoforged/neoforge/$VER_LOADER/neoforge-$VER_LOADER-installer.jar
else
echo "Minecraft version not set"
exit 1
fi
fi
if [[ -n "$DL_URL" ]]; then
echo "$DL_URL"
rm -rf server.jar
curl -o neoforge-$VER_LOADER-installer.jar ${DL_URL}
$JAVA -jar neoforge-$VER_LOADER-installer.jar --installServer --server.jar
mv server.jar neoforge-$VER_LOADER.jar
ln -s neoforge-$VER_LOADER.jar server.jar
touch server.properties
rm -f neoforge-$VER_LOADER-installer.jar
rm -f neoforge-$VER_LOADER-installer.jar.log
rm -f README.txt
rm -f run.bat
else
echo "No Valid Download URL"
fi
}
# Server route choice
serverSelect() {
mkdir -p /data/server
cd /data/server || exit
if [[ -f "server.jar" ]] || [[ -f "run.sh" ]]; then
echo "Found what appears to be a server, sending it"
else
case $MC_LOADER in
vanilla)
getVanilla
;;
paper)
getPaper
;;
fabric)
getFabric
;;
forge)
getForge
;;
neoforge)
getNeoForge
;;
*)
echo "Server of type ${MC_LOADER} is not recognized."
crash
;;
esac
fi
}
# Build out java command
buildCommand() {
JAVA_ARGS="-Xms${XMS} -Xmx${XMX}"
if [[ -n $ADD_ARGS ]]; then
RUN_STRING="${ADD_ARGS} ${JAVA_ARGS} -jar ${JAR} nogui"
else
RUN_STRING="${JAVA_ARGS} -jar ${JAR} nogui"
fi
}
setperms
javaCheck
serverSelect
buildCommand
setEula
serverInfoWrite() {
cat <<EOF > server.info
MC_VERSION=$MC_VERSION
MC_LOADER=$MC_LOADER
MC_LOADER_VERSION=$MC_LOADER_VERSION
JAVA_VERSION=$JAVA_VERSION
JAR=$JAR
XMS=$XMS
XMX=$XMX
ADD_ARGS=${ADD_ARGS:-"NONE"}
PUID=$PUID
PGID=$PGID
EOF
}
## ----------------- SEND IT ----------------- ##
while true; do
cd /data/server || exit
if [[ ! -f "server.properties" ]]; then touch "server.properties"; fi
if [[ -f $JAR || -f "run.sh" ]]; then
echo -e "|_______________________________________________________|"
echo -e "|##----------------- Server Starting -----------------##|"
echo -e "|#| Minecraft Version: $MC_VERSION"
echo -e "|#| "
echo -e "|#| Loader Type: ${SERVER_TYPE:-$MC_LOADER}"
echo -e "|#| Loader Version: $MC_LOADER_VERSION"
echo -e "|#| "
echo -e "|#| Java Version: $JAVA_VERSION"
echo -e "|#| Jar: $JAR"
echo -e "|#| Memory Allocated: "
echo -e "|#| Xms: $XMS"
echo -e "|#| Xmx: $XMX"
echo -e "|#| Additional Args: ${ADD_ARGS:-"NONE"}"
echo -e "|#| "
echo -e "|#| Running as:"
echo -e "|#| User: $PUID"
echo -e "|#| Group: $PGID"
echo -e "|#| "
if [[ ! $NEW_FORGE ]]; then
echo -e "|#| Run Command:"
echo -e "|#| java $RUN_STRING"
fi
echo -e "|##---------------------------------------------------##|"
echo -e "|-------------------------------------------------------|"
echo -e " "
serverInfoWrite
newForge
if [[ "$MC_LOADER" == "neoforge" ]]; then
exec java @user_jvm_args.txt @libraries/net/neoforged/neoforge/"$MC_LOADER_VERSION"/unix_args.txt "$@"
elif [[ "$MC_LOADER" == "forge" ]] && [[ $NEW_FORGE == "true" ]]; then
exec java @user_jvm_args.txt @libraries/net/minecraftforge/forge/"$MC_VERSION"-"$MC_LOADER_VERSION"/unix_args.txt "$@"
else
echo "java $RUN_STRING"
exec java $RUN_STRING
fi
else
echo "Server Not Found."
crash
fi
done
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